:root {
  --brand-red: #EE0000;
  --brand-red-dark: #B30000;
  --brand-red-light: #FF4D4D;
  --brand-orange: #F97316;
  --bg-dark: #0d1117;
  --bg-card: #161b22;
  --bg-elevated: #1c2333;
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-muted: rgba(255, 255, 255, 0.06);
  --text-primary: rgba(255, 255, 255, 0.92);
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-muted: rgba(255, 255, 255, 0.35);
  --status-green: #3fb950;
  --status-yellow: #d29922;
  --status-red: #f85149;
  --status-blue: #58a6ff;
  --status-purple: #a855f7;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#game-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
  touch-action: none;
}

.glass {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
}

.glass-dark {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(13, 17, 23, 0.85);
  border: 1px solid var(--border-subtle);
}

.glass-solid {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}

#main-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

#main-menu.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.05);
}

.menu-logo {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--brand-red) 0%, var(--brand-red-light) 45%, var(--brand-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  margin-bottom: 0.5rem;
  animation: logoGlow 3s ease-in-out infinite;
}

.menu-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.github-badge {
  display: inline-flex;
  margin-bottom: 2rem;
  text-decoration: none;
  perspective: 600px;
}

.github-badge-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem 0.5rem 0.75rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.3s ease;
  transform: rotateX(0) rotateY(0);
  transform-style: preserve-3d;
  box-shadow:
    0 4px 16px rgba(0,0,0,0.3),
    0 0 0 1px rgba(255,255,255,0.05) inset,
    0 1px 0 rgba(255,255,255,0.1) inset;
}

.github-badge:hover .github-badge-inner {
  background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.06));
  border-color: rgba(255,255,255,0.2);
  transform: rotateX(-5deg) rotateY(5deg) translateY(-2px);
  box-shadow:
    0 8px 30px rgba(0,0,0,0.4),
    0 0 0 1px rgba(255,255,255,0.08) inset,
    0 1px 0 rgba(255,255,255,0.15) inset,
    0 0 20px rgba(238,0,0,0.15);
  color: white;
}

.github-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
}

.github-text {
  letter-spacing: 0.01em;
}

.github-stars {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.5rem;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #e3b341;
  margin-left: 0.25rem;
}

.github-star-icon {
  width: 12px;
  height: 12px;
  color: #e3b341;
}

.github-badge:hover .github-stars {
  background: rgba(227,179,65,0.15);
}

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 500px;
  width: 90%;
}

.menu-btn {
  position: relative;
  padding: 1.5rem;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: left;
  overflow: hidden;
}

.menu-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  opacity: 0;
  background: linear-gradient(135deg, rgba(238, 0, 0, 0.08), rgba(255, 77, 77, 0.06));
  transition: opacity 0.3s ease;
}

.menu-btn:hover::before {
  opacity: 1;
}

.menu-btn:hover {
  border-color: rgba(238, 0, 0, 0.6);
  background: linear-gradient(135deg, var(--bg-elevated), rgba(28, 35, 51, 0.95));
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(238, 0, 0, 0.2), 0 0 0 1px rgba(238, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.menu-btn:active {
  transform: translateY(-1px);
  transition-duration: 0.1s;
}

.menu-btn-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.menu-btn-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.menu-btn-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 24px;
  height: 24px;
  opacity: 0.4;
  color: var(--brand-red);
}

.menu-btn-icon svg {
  width: 24px;
  height: 24px;
}

.menu-draw-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  border: 1px solid rgba(238, 0, 0, 0.3);
  background: rgba(238, 0, 0, 0.08);
  color: var(--brand-red-light);
  text-decoration: none;
  transition: all 0.2s;
  max-width: 480px;
  width: 100%;
}

.menu-draw-link:hover {
  border-color: var(--brand-red);
  background: rgba(238, 0, 0, 0.15);
  color: #fff;
}

.menu-draw-link span:first-of-type {
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
}

.menu-draw-desc {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 400 !important;
}

.menu-footer {
  margin-top: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.menu-footer-btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s ease;
}

.menu-footer-btn:hover {
  border-color: var(--brand-red);
  color: var(--text-primary);
}

#resource-palette {
  position: fixed;
  left: 0;
  top: 48px;
  bottom: 0;
  width: 68px;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0;
  gap: 2px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  border-right: 1px solid rgba(238, 0, 0, 0.08);
  background: rgba(13, 17, 23, 0.92);
}

#resource-palette::-webkit-scrollbar {
  display: none;
}

.palette-item {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: grab;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  position: relative;
  flex-shrink: 0;
}

.palette-item:hover {
  background: rgba(238, 0, 0, 0.1);
  border-color: rgba(238, 0, 0, 0.25);
  transform: scale(1.08);
  box-shadow: 0 0 12px rgba(238, 0, 0, 0.1);
}

.palette-item:active {
  cursor: grabbing;
  transform: scale(0.95);
}

.palette-item.selected {
  background: rgba(238, 0, 0, 0.2);
  border-color: var(--brand-red);
  box-shadow: 0 0 16px rgba(238, 0, 0, 0.2), inset 0 0 8px rgba(238, 0, 0, 0.1);
}

.palette-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.palette-icon svg {
  width: 20px;
  height: 20px;
}

.palette-label {
  font-size: 0.5rem;
  color: var(--text-secondary);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 44px;
  text-align: center;
}

.palette-tooltip {
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 8px;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 50;
}

.palette-item:hover .palette-tooltip {
  opacity: 1;
}

.palette-separator {
  width: 32px;
  height: 1px;
  background: var(--border-subtle);
  margin: 4px 0;
  flex-shrink: 0;
}

.palette-section-label {
  font-size: 0.5rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 4px 0 2px;
  flex-shrink: 0;
}

#game-container {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: none;
  pointer-events: none;
}

#game-container.active {
  display: block;
}

#game-container > * {
  pointer-events: auto;
}

.drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 200;
  opacity: 0.8;
  transform: translate(-50%, -50%);
}

.drag-ghost .palette-icon {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 12px var(--brand-red));
}

#level-select {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(13, 17, 23, 0.95);
}

#level-select.active {
  display: flex;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 2rem;
}

.level-card {
  padding: 1rem;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.level-card:hover:not(.locked) {
  border-color: var(--brand-red);
  transform: translateY(-2px);
}

.level-card.locked {
  opacity: 0.4;
  cursor: not-allowed;
}

.level-card.completed {
  border-color: var(--status-green);
}

.level-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand-red);
}

.level-title {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.level-stars {
  margin-top: 0.5rem;
  color: var(--status-yellow);
  font-size: 0.8rem;
  letter-spacing: 2px;
}

.chapter-header {
  grid-column: 1 / -1;
  padding: 0.5rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-red);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  max-width: 500px;
  width: 90%;
  padding: 2rem;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  animation: modalIn 0.3s ease;
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.modal-body {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.btn-primary {
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  background: var(--brand-red);
  color: white;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

.btn-secondary {
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--brand-red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  margin-top: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.star { color: var(--status-yellow); }
.star-empty { color: var(--text-muted); }

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(238, 0, 0, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(238, 0, 0, 0.5);
}

@keyframes logoGlow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.2); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes pulseRed {
  0%, 100% { box-shadow: 0 0 0 0 rgba(248, 81, 73, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(248, 81, 73, 0); }
}

@keyframes bounceIn {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.8); }
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes shakeX {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.animate-bounce-in { animation: bounceIn 0.4s ease forwards; }
.animate-fade-out { animation: fadeOut 0.3s ease forwards; }
.animate-slide-up { animation: slideUp 0.3s ease forwards; }
.animate-shake { animation: shakeX 0.5s ease; }
.animate-pulse-red { animation: pulseRed 1.5s ease infinite; }

.keyboard-hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  font-size: 0.65rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.running { background: var(--status-green); box-shadow: 0 0 6px var(--status-green); }
.status-dot.pending { background: var(--status-yellow); box-shadow: 0 0 6px var(--status-yellow); }
.status-dot.failed { background: var(--status-red); box-shadow: 0 0 6px var(--status-red); }

.settings-panel {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
}

.settings-panel.active {
  display: flex;
}

.settings-content {
  max-width: 400px;
  width: 90%;
  padding: 2rem;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}

.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.settings-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.toggle {
  width: 40px;
  height: 22px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.15);
  cursor: pointer;
  position: relative;
  transition: background 0.2s ease;
  border: none;
}

.toggle.active {
  background: var(--brand-red);
}

.toggle::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  top: 3px;
  left: 3px;
  transition: transform 0.2s ease;
}

.toggle.active::after {
  transform: translateX(18px);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  max-height: 60vh;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.achievement-card {
  padding: 1rem;
  border-radius: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-muted);
  transition: all 0.2s ease;
}

.achievement-card.unlocked {
  border-color: var(--status-yellow);
}

.achievement-card.locked {
  opacity: 0.5;
}

.achievement-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.achievement-name {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.achievement-desc {
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

.challenge-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  max-height: 70vh;
  overflow-y: auto;
}

.challenge-card {
  padding: 1rem 1.25rem;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.challenge-card:hover {
  border-color: var(--brand-red);
  transform: translateX(4px);
}

.challenge-info {
  flex: 1;
}

.challenge-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.challenge-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.challenge-time {
  font-size: 0.75rem;
  color: var(--brand-red);
  font-weight: 600;
  white-space: nowrap;
  margin-left: 1rem;
}

#tutorial-overlay {
  position: fixed;
  inset: 0;
  z-index: 320;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease;
}

#tutorial-overlay.fade-out {
  animation: tutorialFadeOut 0.4s ease forwards;
}

.tutorial-card {
  max-width: 520px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  background: linear-gradient(135deg, rgba(22, 27, 34, 0.98), rgba(13, 17, 23, 0.98));
  border: 1px solid rgba(238, 0, 0, 0.3);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 0 60px rgba(238, 0, 0, 0.15), 0 20px 60px rgba(0, 0, 0, 0.5);
}

.tutorial-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.tutorial-mode {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #EE0000, #FF4D4D);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.tutorial-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.5;
}

.tutorial-tips {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.tutorial-tip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tutorial-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 70px;
  padding: 0.25rem 0.5rem;
  background: rgba(238, 0, 0, 0.15);
  border: 1px solid rgba(238, 0, 0, 0.3);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #FF4D4D;
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}

.tutorial-text {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.4;
}

.tutorial-btn {
  display: block;
  width: 100%;
  padding: 0.75rem;
  background: linear-gradient(135deg, #EE0000, #B30000);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
}

.tutorial-btn:hover {
  background: linear-gradient(135deg, #E63946, #EE0000);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(238, 0, 0, 0.4);
}

.tutorial-section-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 0.5rem;
  margin-top: 0.25rem;
  padding-left: 0.25rem;
}

.tutorial-bullet {
  display: inline-block;
  width: 5px;
  height: 5px;
  min-width: 5px;
  border-radius: 50%;
  background: #EE0000;
  margin-left: 2px;
}

.tutorial-hint {
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.3);
}

.tutorial-hint-key {
  display: inline-block;
  padding: 0 0.4rem;
  background: rgba(238, 0, 0, 0.15);
  border: 1px solid rgba(238, 0, 0, 0.3);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: #FF4D4D;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes tutorialFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@media (max-width: 768px) {
  #resource-palette {
    width: 44px !important;
    padding: 4px 0 !important;
    top: 36px !important;
  }
  .palette-item {
    width: 36px !important;
    height: 36px !important;
    border-radius: 8px !important;
  }
  .palette-icon svg {
    width: 18px !important;
    height: 18px !important;
  }
  .palette-label {
    display: none !important;
  }
  .palette-tooltip {
    display: none !important;
  }
  .palette-section-label {
    display: none !important;
  }
  .palette-separator {
    width: 24px !important;
    margin: 2px 0 !important;
  }
  #hud {
    height: 36px !important;
    max-height: 36px !important;
    font-size: 0.6rem !important;
    overflow: hidden !important;
  }
  #hud > div {
    gap: 0.25rem !important;
    padding: 0 0.4rem !important;
    overflow: hidden !important;
    flex-wrap: nowrap !important;
    white-space: nowrap !important;
  }
  #hud .text-sm, #hud .text-xs {
    font-size: 0.6rem !important;
  }
  #hud .gap-4,
  #hud .gap-3 {
    gap: 0.25rem !important;
  }
  #hud .px-4 {
    padding-left: 0.3rem !important;
    padding-right: 0.3rem !important;
  }
  .hud-center {
    display: none !important;
  }
  .hud-extra-stat {
    display: none !important;
  }
  .hud-divider {
    display: none !important;
  }
  .hud-github {
    display: none !important;
  }
  #hud-xp-container {
    display: none !important;
  }
  #objectives-panel {
    left: 48px !important;
    width: auto !important;
    max-width: calc(100vw - 56px) !important;
    min-width: 180px !important;
    top: 40px !important;
    max-height: 45vh !important;
    overflow-y: auto !important;
  }
  #objectives-panel .text-sm {
    font-size: 0.65rem !important;
  }
  #objectives-panel .p-3 {
    padding: 0.4rem !important;
  }
  #obj-panel-desc {
    font-size: 8px !important;
    display: none !important;
  }
  #inspector-panel {
    width: 80vw !important;
    max-width: 320px !important;
    top: 36px !important;
    right: 0 !important;
    left: auto !important;
  }
  #inspector-panel .w-96 {
    width: 100% !important;
  }
  #incident-panel {
    width: 80vw !important;
    max-width: 280px !important;
    left: 48px !important;
  }
  #minimap-container,
  #minimap {
    display: none !important;
  }
  #game-github-badge {
    display: none !important;
  }
  #metrics-dashboard {
    left: 48px !important;
    font-size: 0.65rem !important;
    max-width: calc(100vw - 56px) !important;
  }

  #view-toolbar {
    left: 48px !important;
    transform: none !important;
    bottom: 6px !important;
    padding: 3px 4px !important;
    gap: 2px !important;
    max-width: calc(100vw - 56px) !important;
    overflow-x: auto !important;
    scrollbar-width: none !important;
  }
  #view-toolbar::-webkit-scrollbar {
    display: none;
  }
  #view-toolbar button {
    padding: 5px 6px !important;
    font-size: 0 !important;
    min-width: 28px !important;
  }
  #view-toolbar button svg {
    width: 14px !important;
    height: 14px !important;
  }
  #view-toolbar button span {
    display: none !important;
  }
  #view-toolbar kbd {
    display: none !important;
  }

  #main-menu {
    overflow-x: hidden !important;
    overflow-y: auto !important;
    padding: 1rem !important;
    box-sizing: border-box !important;
    max-width: 100vw !important;
  }
  .menu-keyboard-hints {
    display: none !important;
  }
  #menu-hints {
    max-width: 90vw !important;
    overflow: hidden !important;
  }
  .menu-logo {
    font-size: 2.5rem !important;
  }
  .menu-subtitle {
    font-size: 0.7rem !important;
  }
  .menu-grid {
    grid-template-columns: 1fr !important;
    gap: 0.5rem !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .menu-btn {
    padding: 1rem !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .menu-btn-icon {
    font-size: 1.2rem !important;
    top: 0.75rem !important;
    right: 0.75rem !important;
  }
  .menu-footer {
    font-size: 0.6rem !important;
    gap: 0.75rem !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
  }
  .github-badge-inner {
    padding: 0.35rem 0.75rem !important;
    font-size: 0.7rem !important;
  }

  .tutorial-card {
    max-width: 95vw !important;
    max-height: 90vh !important;
    padding: 1rem !important;
  }
  .tutorial-mode {
    font-size: 1.1rem !important;
  }
  .tutorial-desc {
    font-size: 0.7rem !important;
  }
  .tutorial-tip {
    font-size: 0.65rem !important;
    padding: 0.35rem 0.5rem !important;
  }
  .tutorial-key {
    min-width: 50px !important;
    font-size: 0.65rem !important;
  }

  #name-prompt-overlay > div,
  #edit-dialog-overlay > div,
  #selector-picker-overlay > div {
    width: 90vw !important;
    max-width: 300px !important;
  }

  .level-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    padding: 1rem !important;
  }
  .achievements-grid {
    grid-template-columns: 1fr !important;
  }

  .modal-content {
    width: 95% !important;
    padding: 1.25rem !important;
  }
}

@media (max-width: 480px) {
  #resource-palette {
    width: 38px !important;
    padding: 2px 0 !important;
    top: 32px !important;
  }
  .palette-item {
    width: 30px !important;
    height: 30px !important;
    border-radius: 6px !important;
  }
  .palette-icon svg {
    width: 16px !important;
    height: 16px !important;
  }

  #hud {
    height: 32px !important;
  }
  #hud > div {
    padding: 0 0.25rem !important;
  }

  #objectives-panel {
    left: 42px !important;
    max-width: calc(100vw - 48px) !important;
    max-height: 40vh !important;
    min-width: 160px !important;
    top: 34px !important;
  }

  #inspector-panel {
    width: 85vw !important;
    max-width: 280px !important;
    top: 32px !important;
  }

  #incident-panel {
    left: 42px !important;
    width: 85vw !important;
    max-width: 260px !important;
  }

  #metrics-dashboard {
    left: 42px !important;
  }

  #view-toolbar {
    left: 42px !important;
    max-width: calc(100vw - 48px) !important;
  }
  #view-toolbar button {
    padding: 4px 5px !important;
    min-width: 24px !important;
  }

  .menu-logo {
    font-size: 2rem !important;
  }
  .menu-grid {
    gap: 0.4rem !important;
    width: 100% !important;
  }
  .menu-btn {
    padding: 0.75rem !important;
  }
  .menu-btn-icon {
    width: 18px !important;
    height: 18px !important;
    top: 0.5rem !important;
    right: 0.5rem !important;
  }
  .menu-btn-icon svg {
    width: 18px !important;
    height: 18px !important;
  }
  .menu-btn-title {
    font-size: 0.9rem !important;
  }
  .menu-btn-desc {
    font-size: 0.65rem !important;
  }
}

@media (max-height: 500px) and (orientation: landscape) {
  .hud-center {
    display: none !important;
  }
  .hud-extra-stat {
    display: none !important;
  }
  .hud-divider {
    display: none !important;
  }
  #hud-xp-container {
    display: none !important;
  }
  #resource-palette {
    top: 32px !important;
    width: 38px !important;
  }
  .palette-item {
    width: 28px !important;
    height: 28px !important;
  }
  .palette-label,
  .palette-section-label,
  .palette-separator {
    display: none !important;
  }
  #hud {
    height: 32px !important;
  }
  #objectives-panel {
    max-height: 50vh !important;
  }
  #minimap-container,
  #minimap {
    display: none !important;
  }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}
.animate-slide-in-right {
  animation: slide-in-right 0.4s ease-out forwards;
}

.scrollbar-none::-webkit-scrollbar { display: none; }
.scrollbar-none { scrollbar-width: none; }

@media (min-width: 1440px) {
  #draw-toolbar {
    height: 56px !important;
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
  }
  #draw-toolbar .draw-btn {
    padding: 0.5rem 1rem !important;
    font-size: 0.8rem !important;
  }
  #draw-toolbar .draw-btn svg {
    width: 1.1rem !important;
    height: 1.1rem !important;
  }
  #draw-toolbar span.text-sm {
    font-size: 1rem !important;
  }
  body:has(#draw-canvas) #resource-palette {
    width: 80px !important;
    top: 56px !important;
  }
  body:has(#draw-canvas) .palette-item {
    width: 60px !important;
    height: 60px !important;
  }
  body:has(#draw-canvas) .palette-icon svg {
    width: 26px !important;
    height: 26px !important;
  }
  body:has(#draw-canvas) .palette-label {
    font-size: 0.6rem !important;
  }
  #draw-props {
    width: 22rem !important;
    top: 56px !important;
  }
  #draw-props .text-sm {
    font-size: 0.9rem !important;
  }
  #draw-props .text-xs {
    font-size: 0.8rem !important;
  }
  #draw-help {
    font-size: 12px !important;
    left: 88px !important;
  }
}

@media (min-width: 1920px) {
  #draw-toolbar {
    height: 60px !important;
    padding-left: 2rem !important;
    padding-right: 2rem !important;
  }
  #draw-toolbar .draw-btn {
    padding: 0.6rem 1.25rem !important;
    font-size: 0.85rem !important;
    border-radius: 0.5rem !important;
  }
  body:has(#draw-canvas) #resource-palette {
    width: 90px !important;
    top: 60px !important;
    padding: 12px 0 !important;
    gap: 4px !important;
  }
  body:has(#draw-canvas) .palette-item {
    width: 68px !important;
    height: 68px !important;
    border-radius: 14px !important;
  }
  body:has(#draw-canvas) .palette-icon svg {
    width: 30px !important;
    height: 30px !important;
  }
  body:has(#draw-canvas) .palette-label {
    font-size: 0.65rem !important;
  }
  #draw-props {
    width: 26rem !important;
    top: 60px !important;
  }
  #draw-help {
    font-size: 13px !important;
    left: 100px !important;
    bottom: 1.5rem !important;
  }
  #draw-watermark {
    font-size: 12px !important;
  }
}

@media (min-width: 2560px) {
  body:has(#draw-canvas) #resource-palette {
    width: 100px !important;
    gap: 6px !important;
  }
  body:has(#draw-canvas) .palette-item {
    width: 76px !important;
    height: 76px !important;
    border-radius: 16px !important;
  }
  body:has(#draw-canvas) .palette-icon svg {
    width: 36px !important;
    height: 36px !important;
  }
  body:has(#draw-canvas) .palette-label {
    font-size: 0.7rem !important;
  }
  #draw-props {
    width: 30rem !important;
  }
  #draw-toolbar .draw-btn {
    font-size: 0.9rem !important;
    padding: 0.65rem 1.5rem !important;
  }
}

@media (max-width: 768px) {
  #draw-toolbar {
    height: 40px !important;
    padding: 0.25rem 0.5rem !important;
  }
  #draw-toolbar .draw-btn {
    padding: 0.35rem 0.5rem !important;
    font-size: 0.65rem !important;
  }
  #draw-toolbar .draw-btn-label {
    display: none !important;
  }
  #draw-toolbar .draw-btn-icon-only {
    display: inline !important;
  }
  .draw-subtitle {
    display: none !important;
  }
  .draw-status-text {
    display: none !important;
  }
  .draw-divider {
    display: none !important;
  }
  body:has(#draw-canvas) #resource-palette {
    top: 40px !important;
  }
  #draw-props {
    width: 100vw !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    bottom: 0 !important;
    max-height: 50vh !important;
    border-left: none !important;
    border-top: 1px solid rgba(255,255,255,0.1) !important;
    border-radius: 1rem 1rem 0 0 !important;
    transform: translateY(100%) !important;
  }
  #draw-props.translate-x-0,
  #draw-props:not(.translate-x-full) {
    transform: translateY(0) !important;
  }
  #draw-help {
    display: none !important;
  }
  #draw-watermark {
    display: none !important;
  }
}

@media (max-width: 480px) {
  #draw-toolbar {
    height: 36px !important;
    padding: 0.15rem 0.35rem !important;
    gap: 0.25rem !important;
  }
  #draw-toolbar .draw-btn {
    padding: 0.25rem 0.4rem !important;
    font-size: 0.6rem !important;
    border-radius: 0.375rem !important;
  }
  #draw-toolbar .draw-btn svg {
    width: 14px !important;
    height: 14px !important;
    margin-right: 0 !important;
  }
  body:has(#draw-canvas) #resource-palette {
    top: 36px !important;
  }
  #draw-props {
    max-height: 60vh !important;
  }
}


/* ═══════════════════════════════════════════════════════════════════════════
   OpenShift Games — brand + shell additions
   OpenShift red accents (existing layout preserved), palette scroll for the
   full kind registry, EX280 Prep / Files panel hooks, level tutorial coach marks.
   Owner: brand-dev (index.html / style.css)
   ═══════════════════════════════════════════════════════════════════════════ */
:root {
  --openshift-red: #EE0000;
  --openshift-red-dark: #B30000;
  --openshift-red-light: #FF4D4D;
  --openshift-orange: #F97316;
}

/* ── Menu: EX280 badge, primary prep button, attribution ─────────────────── */
.os-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--openshift-red-light);
  background: rgba(238, 0, 0, 0.1);
  border: 1px solid rgba(238, 0, 0, 0.35);
  box-shadow: 0 0 18px rgba(238, 0, 0, 0.12);
}

.menu-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72em;
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--openshift-red-light);
}

.menu-exam-btn {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1.35rem;
  padding: 0.8rem 1.15rem;
  min-width: min(560px, 92vw);
  text-align: left;
  border-radius: 12px;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, rgba(238, 0, 0, 0.2), rgba(249, 115, 22, 0.08));
  border: 1px solid rgba(238, 0, 0, 0.45);
  box-shadow: 0 8px 28px rgba(238, 0, 0, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.menu-exam-btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(238, 0, 0, 0.3), rgba(249, 115, 22, 0.14));
  border-color: rgba(255, 77, 77, 0.7);
  box-shadow: 0 14px 36px rgba(238, 0, 0, 0.22), 0 0 0 1px rgba(238, 0, 0, 0.2);
}
.menu-exam-btn:active { transform: translateY(0) scale(0.995); }
.menu-exam-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, var(--openshift-red), var(--openshift-red-dark));
  box-shadow: 0 0 16px rgba(238, 0, 0, 0.35);
}
.menu-exam-text { display: flex; flex-direction: column; gap: 0.1rem; min-width: 0; }
.menu-exam-title { font-size: 0.92rem; font-weight: 700; letter-spacing: 0.01em; }
.menu-exam-desc { font-size: 0.68rem; color: rgba(255, 255, 255, 0.5); }
.menu-exam-key {
  margin-left: auto;
  flex-shrink: 0;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.55);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.menu-hints-wrap { margin-top: 1.5rem; text-align: center; max-width: 100%; overflow: hidden; }
.menu-keyboard-hints {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}
.menu-attribution {
  margin-top: 1.1rem;
  font-size: 0.66rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.28);
}
.menu-attribution a {
  color: rgba(255, 255, 255, 0.48);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.menu-attribution a:hover { color: var(--openshift-red-light); border-color: rgba(238, 0, 0, 0.5); }

/* ── Game toolbar buttons (Files / EX280 / help) ─────────────────────────── */
.toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.375rem 0.7rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.toolbar-btn:hover {
  color: #fff;
  background: rgba(238, 0, 0, 0.16);
  border-color: rgba(238, 0, 0, 0.45);
}
.toolbar-btn-files:hover { background: rgba(238, 0, 0, 0.16); border-color: rgba(238, 0, 0, 0.45); }
.toolbar-btn-exam {
  color: var(--openshift-red-light);
  background: rgba(238, 0, 0, 0.12);
  border-color: rgba(238, 0, 0, 0.35);
}
.toolbar-btn-exam:hover { background: rgba(238, 0, 0, 0.24); border-color: rgba(255, 77, 77, 0.6); color: #fff; }
.toolbar-btn-help:hover { background: rgba(245, 158, 11, 0.18); border-color: rgba(245, 158, 11, 0.4); }
.toolbar-divider { width: 1px; height: 1.25rem; background: rgba(255, 255, 255, 0.1); flex-shrink: 0; }
.toolbar-key {
  padding: 0.05rem 0.28rem;
  border-radius: 4px;
  font-size: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.toolbar-kbd {
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* ── Palette: full kind registry needs a taller, scrollable dock ─────────── */
#resource-palette {
  width: 82px;
  gap: 1px;
  scrollbar-width: thin;
  scrollbar-color: rgba(238, 0, 0, 0.35) transparent;
  border-right: 1px solid rgba(238, 0, 0, 0.12);
  scroll-behavior: smooth;
}
#resource-palette::-webkit-scrollbar { display: block; width: 4px; }
#resource-palette::-webkit-scrollbar-track { background: transparent; }
#resource-palette::-webkit-scrollbar-thumb { background: rgba(238, 0, 0, 0.3); border-radius: 4px; }
#resource-palette::-webkit-scrollbar-thumb:hover { background: rgba(255, 77, 77, 0.55); }

#resource-palette .palette-item {
  width: 54px;
  height: 44px;
  border-radius: 9px;
}
#resource-palette .palette-icon { color: #ff9a9a; }
#resource-palette .palette-icon svg { width: 19px; height: 19px; }
#resource-palette .palette-item:hover .palette-icon,
#resource-palette .palette-item.selected .palette-icon { color: #fff; }
#resource-palette .palette-label { font-size: 0.48rem; max-width: 52px; }
#resource-palette .palette-section-label {
  font-size: 0.44rem;
  margin: 3px 0 1px;
  letter-spacing: 0.08em;
  max-width: 62px;
  text-align: center;
  line-height: 1.25;
}
#resource-palette .palette-separator { width: 28px; margin: 2px 0; }
#resource-palette .palette-tooltip { left: calc(100% + 8px); }

/* ── Toasts (optional-panel availability, hints) ─────────────────────────── */
.os-toast {
  position: fixed;
  left: 50%;
  bottom: 5.5rem;
  transform: translateX(-50%);
  z-index: 260;
  max-width: min(560px, 90vw);
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(22, 27, 34, 0.96);
  border: 1px solid rgba(238, 0, 0, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(238, 0, 0, 0.12);
  backdrop-filter: blur(12px);
  animation: osToastIn 0.25s ease;
  text-align: center;
}
.os-toast-out { opacity: 0; transform: translateX(-50%) translateY(8px); transition: all 0.3s ease; }
@keyframes osToastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Level tutorial coach marks (campaign:tutorial steps) ────────────────── */
.coach-card-wrap {
  position: fixed;
  left: 50%;
  bottom: 7rem;
  transform: translateX(-50%);
  z-index: 240;
  max-width: min(520px, 92vw);
  animation: coachWrapIn 0.24s ease;
}
.coach-card {
  padding: 1rem 1.15rem;
  border-radius: 12px;
  background: rgba(22, 27, 34, 0.97);
  border: 1px solid rgba(238, 0, 0, 0.4);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.55), 0 0 26px rgba(238, 0, 0, 0.14);
}
/* Animate only the wrapper: it already owns translateX(-50%), so the card never
   jumps horizontally between steps. (Reusing osToastIn on the child shifted it.) */
@keyframes coachWrapIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.coach-step {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--openshift-red-light);
  margin-bottom: 0.4rem;
}
.coach-text { font-size: 0.82rem; line-height: 1.55; color: rgba(255, 255, 255, 0.82); }
.coach-text code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78em;
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--openshift-red-light);
}
.coach-actions { display: flex; align-items: center; justify-content: flex-end; gap: 0.5rem; margin-top: 0.75rem; }
.coach-skip {
  padding: 0.3rem 0.65rem;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.45);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 7px;
  cursor: pointer;
}
.coach-skip:hover { color: rgba(255, 255, 255, 0.75); border-color: rgba(255, 255, 255, 0.25); }
.coach-next {
  padding: 0.35rem 0.9rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  background: var(--openshift-red);
  border: none;
  border-radius: 7px;
  cursor: pointer;
}
.coach-next:hover { background: var(--openshift-red-dark); }
.coach-target {
  outline: 2px solid rgba(255, 77, 77, 0.9) !important;
  outline-offset: 3px;
  animation: coachPulse 1.6s ease-in-out infinite;
}
@keyframes coachPulse {
  0%, 100% { outline-color: rgba(255, 77, 77, 0.9); }
  50% { outline-color: rgba(255, 153, 153, 0.95); }
}
/* The 3D canvas is full-viewport: animating its box-shadow caused repaint jank.
   Use a static inner ring for the cluster-view step instead. */
#game-canvas.coach-target {
  outline: 3px solid rgba(255, 77, 77, 0.9) !important;
  outline-offset: -3px;
  animation: none !important;
}
@media (prefers-reduced-motion: reduce) {
  .coach-card-wrap, .coach-target, .coach-card { animation: none !important; }
}

/* ── Tutorial footer links + focus visibility ────────────────────────────── */
.tutorial-footer {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.3);
}
.tutorial-footer a { color: var(--openshift-red-light); text-decoration: none; border-bottom: 1px solid rgba(238, 0, 0, 0.3); }
.tutorial-footer a:hover { color: #fff; }

.menu-btn:focus-visible,
.menu-exam-btn:focus-visible,
.menu-footer-btn:focus-visible,
.menu-draw-link:focus-visible,
.toolbar-btn:focus-visible,
.palette-item:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.toggle:focus-visible,
.coach-next:focus-visible,
.coach-skip:focus-visible {
  outline: 2px solid var(--openshift-red-light);
  outline-offset: 2px;
}

/* ── Responsive adjustments for the new shell elements ───────────────────── */
@media (max-width: 768px) {
  .menu-exam-btn { min-width: 92vw; padding: 0.7rem 0.9rem; gap: 0.65rem; }
  .menu-exam-icon { width: 32px; height: 32px; }
  .menu-exam-desc { display: none; }
  .menu-attribution { font-size: 0.6rem; padding: 0 1rem; }
  .os-badge { font-size: 0.55rem; }
  #resource-palette { width: 64px; }
  #resource-palette .palette-item { width: 42px; height: 40px; }
  .toolbar-btn { padding: 0.3rem 0.55rem; font-size: 0.66rem; }
  .toolbar-key { display: none; }
  .coach-card-wrap { bottom: 8.5rem; }
}

@media (max-height: 780px) {
  .menu-attribution { display: none; }
  .menu-exam-btn { margin-top: 1rem; padding: 0.6rem 1rem; }
  .menu-subtitle { margin-bottom: 1rem; }
}

/* Menu must remain usable on short viewports (many new shell elements). */
@media (max-height: 940px) {
  #main-menu {
    justify-content: flex-start;
    overflow-y: auto;
    padding: 2rem 1rem 2.5rem;
  }
  .menu-logo { font-size: 3.1rem; }
  .menu-subtitle { font-size: 0.8rem; margin-bottom: 0.9rem; }
  .os-badge { margin-bottom: 0.65rem; }
  .github-badge { margin-bottom: 1.1rem; }
  .menu-grid { gap: 0.75rem; }
  .menu-btn { padding: 1.05rem 1.2rem; }
  .menu-exam-btn { margin-top: 1rem; }
  .menu-draw-link { margin-top: 1.1rem; }
  .menu-footer { margin-top: 1.1rem; }
  .menu-hints-wrap { margin-top: 1rem; }
}

@media (max-height: 700px) {
  .menu-attribution { display: none; }
  #menu-hints { display: none; }
  .menu-logo { font-size: 2.5rem; }
  .menu-btn { padding: 0.85rem 1rem; }
  .menu-btn-title { font-size: 0.95rem; }
  .menu-btn-desc { font-size: 0.68rem; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   OpenShift Games — IN-GAME UI SYSTEM (v2)
   Owner: gamefeel. Flat ops-console surfaces, one radius, one spacing scale.
   The start page is owned by the lead (start.css); menu-only rules above stay
   untouched for now so nothing regresses while the new start page lands.
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* One type family for the product; mono only for real code / the terminal. */
  --font-sans: 'Schibsted Grotesk', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Ground and tone steps. Separation is one tone step, never a glow. */
  --ground: #0A0C10;
  --surface: #111419;
  --raised: #161A20;
  --raised-2: #1B2027;
  --hover: #1E242C;
  --active-bg: #262E38;
  --line: #1F242C;
  --line-strong: #2C333E;

  /* Text tiers (all pass 4.5:1 on --surface). */
  --text: #ECEEF1;
  --muted: #9AA1A9;
  --faint: #7C8590;

  /* Signal colour, only on state and the one primary action. */
  --accent: #EE0000;
  --accent-soft: #FF6054;
  --accent-dim: rgba(238, 0, 0, 0.12);
  --positive: #4FBF83;
  --positive-dim: rgba(79, 191, 131, 0.12);
  --warning: #E8A33D;
  --warning-dim: rgba(232, 163, 61, 0.12);
  --negative: #F26D6D;
  --negative-dim: rgba(242, 109, 109, 0.12);

  /* One radius. */
  --radius: 8px;
  --radius-sm: 6px;
  --radius-xs: 4px;

  /* 4px spacing scale. */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 20px;
  --s6: 24px;
  --s7: 32px;
  --s8: 48px;

  /* Type scale. */
  --fs-11: 11px;
  --fs-12: 12px;
  --fs-13: 13px;
  --fs-14: 14px;
  --fs-16: 16px;
  --fs-18: 18px;
  --fs-22: 22px;
  --fs-28: 28px;

  --hud-h: 52px;
  --palette-w: 248px;
  --dock-h: 308px;
  --shadow-float: 0 18px 44px rgba(0, 0, 0, 0.55), 0 2px 10px rgba(0, 0, 0, 0.4);

  /* Legacy token aliases kept so draw.html and the lazily loaded panels
     (ManifestPanel, ExamPrepMode) inherit the same palette. */
  --bg-dark: var(--ground);
  --bg-card: var(--surface);
  --bg-elevated: var(--raised);
  --brand-red: var(--accent);
  --brand-red-dark: var(--accent);
  --brand-red-light: var(--accent-soft);
  --brand-orange: var(--warning);
  --border-subtle: var(--line);
  --border-muted: rgba(255, 255, 255, 0.05);
  --text-primary: var(--text);
  --text-secondary: var(--muted);
  --text-muted: var(--faint);
  --status-green: var(--positive);
  --status-yellow: var(--warning);
  --status-red: var(--negative);
  --status-blue: #7FA8D9;
  --status-purple: #A78BDA;
}

html, body {
  font-family: var(--font-sans);
  background: var(--ground);
  color: var(--text);
}

.num,
.hud-timer,
.hud-stat dd,
.mission-progress-label,
.tb-btn kbd,
.level-number,
.challenge-index {
  font-variant-numeric: tabular-nums;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--line-strong);
  background: var(--raised-2);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  line-height: 1;
  white-space: nowrap;
}

/* Scrollbars: quiet chrome. */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #3A434F; }

/* Shared control language ------------------------------------------------ */
.btn-primary,
.btn-secondary,
.btn-quiet,
.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  height: 34px;
  padding: 0 var(--s4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: var(--fs-13);
  font-weight: 600;
  letter-spacing: 0;
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, transform 90ms ease;
}
.btn-primary { background: var(--text); color: #0B0D11; border-color: var(--text); }
.btn-primary:hover { background: #FFFFFF; border-color: #FFFFFF; }
.btn-primary:active { transform: translateY(1px); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn-secondary:hover { background: var(--raised); border-color: #3A434F; }
.btn-secondary:active { transform: translateY(1px); }
.btn-quiet { background: transparent; color: var(--muted); border-color: transparent; font-weight: 500; }
.btn-quiet:hover { color: var(--text); background: var(--raised); }
.btn-danger { background: transparent; color: var(--negative); border-color: rgba(242, 109, 109, 0.35); }
.btn-danger:hover { background: var(--negative-dim); border-color: var(--negative); }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--faint);
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease;
}
.icon-btn:hover { color: var(--text); background: var(--raised-2); }
.icon-btn svg { width: 15px; height: 15px; }

:is(.btn-primary, .btn-secondary, .btn-quiet, .btn-danger, .icon-btn, .hud-icon-btn, .hud-brand, .tb-btn, .palette-group-head, .palette-item, .level-card, .challenge-card, .intro-start, .coach-next, .coach-skip, .os-toast-action):focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

/* ───────────────────────────────────────────────────────────────────────────
   HUD — one flat 52px bar
   ─────────────────────────────────────────────────────────────────────────── */
#hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  height: var(--hud-h);
  padding: 0;
  pointer-events: none;
  font-family: var(--font-sans);
}
.hud-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  height: var(--hud-h);
  padding: 0 var(--s3) 0 var(--s2);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  pointer-events: auto;
}
.hud-left,
.hud-right { display: flex; align-items: center; gap: var(--s2); min-width: 0; }
.hud-left { flex: 1 1 auto; }
.hud-right { flex: 0 0 auto; }
.hud-center { display: flex; align-items: center; justify-content: center; flex: 0 1 auto; min-width: 0; }

.hud-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease;
}
.hud-icon-btn:hover { color: var(--text); background: var(--raised-2); }
.hud-icon-btn:active { background: var(--active-bg); }
.hud-icon-btn svg { width: 15px; height: 15px; }
.hud-menu-btn { gap: 0; }

.hud-brand { display: flex; align-items: center; gap: var(--s2); padding-left: 2px; }
.hud-mark { display: inline-flex; color: var(--accent); }
.hud-mark svg { width: 17px; height: 17px; }
.hud-word {
  color: var(--text);
  font-size: var(--fs-13);
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  cursor: pointer;
}
.hud-rule {
  width: 1px;
  height: 18px;
  margin: 0 var(--s1);
  background: var(--line-strong);
  flex: 0 0 auto;
}
.hud-mode {
  color: var(--muted);
  font-size: var(--fs-12);
  font-weight: 600;
  white-space: nowrap;
}
.hud-mode-name {
  color: var(--faint);
  font-size: var(--fs-12);
  white-space: nowrap;
}
.hud-level-name {
  color: var(--muted);
  font-size: var(--fs-12);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.hud-mission {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  height: 30px;
  padding: 0 var(--s3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease;
}
.hud-mission:hover { background: var(--raised-2); border-color: #39424E; }
.hud-mission[hidden] { display: none; }
.hud-mission-text { display: flex; align-items: center; gap: var(--s3); }
.hud-mission-count {
  font-size: var(--fs-12);
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.hud-mission-bar {
  position: relative;
  width: 64px;
  height: 3px;
  border-radius: 3px;
  background: var(--line-strong);
  overflow: hidden;
}
.hud-mission-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--accent);
  border-radius: 3px;
  transition: width 260ms ease;
}
.hud-mission.is-complete .hud-mission-fill { background: var(--positive); }

.hud-health {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 var(--s2);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: var(--fs-12);
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease;
}
.hud-health:hover,
.hud-health.is-open { background: var(--raised-2); color: var(--text); }
.hud-health-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--positive);
  flex: 0 0 auto;
}
.hud-health-dot[data-health="warning"] { background: var(--warning); }
.hud-health-dot[data-health="critical"] { background: var(--negative); }
.hud-health-label { white-space: nowrap; }

.hud-timer {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.01em;
  min-width: 44px;
  text-align: right;
}

.hud-speed {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 2px;
  gap: 2px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--ground);
}
.hud-speed-btn {
  height: 22px;
  min-width: 26px;
  padding: 0 6px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  cursor: pointer;
  transition: background-color 120ms ease, color 120ms ease;
}
.hud-speed-btn:hover { color: var(--text); }
.hud-speed-btn.is-active { background: var(--raised-2); color: var(--text); }

.hud-alert-btn { position: relative; }
.hud-alert-btn.has-alert { color: var(--accent-soft); }
.hud-badge {
  position: absolute;
  top: 1px;
  right: 0;
  min-width: 15px;
  height: 15px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  line-height: 15px;
  text-align: center;
}
.hud-badge[hidden] { display: none; }
.hud-icon-btn.is-paused { color: var(--warning); }

/* ── "Mine" control — find the resources you created among the seeded cluster ──
   A compact pill in the right cluster: one red keyline dot, the count, and a
   separate frame action next to it. It reads as a view filter, not a mode. */
.hud-mine-group { display: flex; align-items: center; gap: 2px; }
.hud-mine {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 8px 0 7px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--fs-11);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}
.hud-mine:hover { color: var(--text); background: var(--raised-2); border-color: #3A434F; }
.hud-mine:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 2px; }
.hud-mine-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(238, 0, 0, 0.12);
  transition: box-shadow 160ms ease, background-color 160ms ease;
}
.hud-mine-label { line-height: 1; }
.hud-mine-count {
  min-width: 15px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--raised-2);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 16px;
  text-align: center;
}
.hud-mine.is-empty { color: var(--faint); }
.hud-mine.is-empty .hud-mine-dot { background: #4B545F; box-shadow: none; }
.hud-mine.is-empty .hud-mine-count { color: var(--faint); }
.hud-mine.is-active {
  color: var(--text);
  border-color: rgba(238, 0, 0, 0.55);
  background: rgba(238, 0, 0, 0.1);
}
.hud-mine.is-active .hud-mine-dot { background: var(--accent-soft); box-shadow: 0 0 0 3px rgba(238, 0, 0, 0.24); }
.hud-mine.is-active .hud-mine-count { background: var(--accent); color: #fff; }
.hud-mine-focus { width: 26px; height: 26px; }
.hud-mine-focus svg { width: 14px; height: 14px; }
.hud-mine-focus.is-empty { color: var(--faint); opacity: 0.7; }

/* Platform control — the seeded OpenShift defaults, deliberately neutral so it
   never competes with the red "Mine" signal. Hidden = working set only. */
.hud-platform {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 8px 0 7px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--fs-11);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}
.hud-platform:hover { color: var(--text); background: var(--raised-2); border-color: #3A434F; }
.hud-platform:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 2px; }
.hud-platform-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7C93AD;
  box-shadow: 0 0 0 3px rgba(124, 147, 173, 0.14);
}
.hud-platform-label { line-height: 1; }
.hud-platform-count {
  min-width: 15px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--raised-2);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 16px;
  text-align: center;
}
.hud-platform.is-hidden { color: var(--faint); }
.hud-platform.is-hidden .hud-platform-dot { background: transparent; box-shadow: inset 0 0 0 1.5px #5A6675; }
.hud-platform.is-hidden .hud-platform-count { background: transparent; box-shadow: inset 0 0 0 1px #333C47; }
.hud-platform.is-revealed { color: var(--muted); }
.hud-platform.is-empty { opacity: 0.65; }

/* Creation spotlight — a quiet one-line receipt under the HUD, never clickable,
   so it can never block the level coach marks or the command bar. */
.spotlight-toast {
  position: fixed;
  top: calc(var(--hud-h) + var(--s3));
  left: 50%;
  transform: translateX(-50%);
  z-index: 260;
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  max-width: min(420px, 90vw);
  padding: 9px 14px 9px 12px;
  background: rgba(20, 24, 31, 0.95);
  border: 1px solid rgba(238, 0, 0, 0.32);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  pointer-events: none;
  animation: spotlight-toast-in 220ms ease-out;
}
.spotlight-toast-out {
  opacity: 0;
  transform: translateX(-50%) translateY(-6px);
  transition: opacity 240ms ease, transform 240ms ease;
}
/* Transform-only intro: the toast must never depend on an animation frame to
   become readable (screenshots, reduced motion, background tabs). */
@keyframes spotlight-toast-in {
  from { transform: translateX(-50%) translateY(-6px); }
  to { transform: translateX(-50%) translateY(0); }
}
.spotlight-toast-mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 1px;
  border-radius: 50%;
  border: 2px solid var(--accent);
}
.spotlight-toast-mark > span {
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--accent);
}
.spotlight-toast-body { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.spotlight-toast-kicker {
  color: var(--accent-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.spotlight-toast-title {
  color: var(--text);
  font-size: var(--fs-13);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.spotlight-toast-meta { color: var(--faint); font-size: var(--fs-11); }

/* Cluster popover — counters as type, not a wall of chrome. */
.hud-pop {
  position: absolute;
  top: calc(var(--hud-h) - 4px);
  right: calc(var(--s3) + 6px);
  width: 316px;
  padding: var(--s4);
  background: var(--raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  pointer-events: auto;
  animation: osg-pop-in 140ms ease-out;
}
.hud-pop[hidden] { display: none; }
@keyframes osg-pop-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.hud-pop-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--s3);
  color: var(--text);
  font-size: var(--fs-13);
  font-weight: 600;
}
.hud-pop-version { color: var(--faint); font-family: var(--font-mono); font-size: var(--fs-11); font-weight: 400; }
.hud-pop-health { color: var(--muted); font-size: var(--fs-11); }
.hud-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}
.hud-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s2);
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
}
.hud-stat:nth-child(odd) { padding-right: var(--s3); }
.hud-stat:nth-child(even) { padding-left: var(--s3); }
.hud-stat dt { color: var(--faint); font-size: var(--fs-12); }
.hud-stat dd { margin: 0; color: var(--text); font-family: var(--font-mono); font-size: var(--fs-12); }
.hud-stat dd .is-good { color: var(--positive); }
.hud-stat dd .is-warn { color: var(--warning); }
.hud-stat dd .is-bad { color: var(--negative); }
.hud-slash { color: var(--faint); padding: 0 2px; }
.hud-meters { display: grid; gap: var(--s3); margin-top: var(--s3); }
.hud-meter-head { display: flex; justify-content: space-between; color: var(--faint); font-size: var(--fs-11); margin-bottom: 5px; }
.hud-meter-value { font-family: var(--font-mono); color: var(--muted); }
.hud-meter-track { height: 3px; border-radius: 3px; background: var(--line-strong); overflow: hidden; }
.hud-meter-fill { height: 100%; background: var(--positive); border-radius: 3px; transition: width 300ms ease; }
.hud-meter-fill[data-level="mid"] { background: var(--warning); }
.hud-meter-fill[data-level="high"] { background: var(--negative); }
.hud-xp {
  display: flex;
  align-items: center;
  gap: var(--s2);
  margin-top: var(--s3);
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
}
.hud-xp-level { color: var(--warning); font-family: var(--font-mono); font-size: var(--fs-11); font-weight: 600; }
.hud-xp-track { flex: 1; height: 3px; border-radius: 3px; background: var(--line-strong); overflow: hidden; }
.hud-xp-fill { display: block; height: 100%; width: 0; background: var(--warning); border-radius: 3px; transition: width 200ms ease; }
.hud-xp-label { color: var(--faint); font-family: var(--font-mono); font-size: var(--fs-11); }

/* Achievement toast — quiet, one line of type. */
.hud-toast {
  position: fixed;
  top: calc(var(--hud-h) + var(--s3));
  right: var(--s4);
  z-index: 260;
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  max-width: 340px;
  padding: var(--s3) var(--s4);
  background: var(--raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  animation: osg-toast-in 180ms ease-out;
}
.hud-toast-out { opacity: 0; transform: translateY(-6px); transition: opacity 220ms ease, transform 220ms ease; }
@keyframes osg-toast-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.hud-toast-mark { color: var(--warning); font-size: 14px; line-height: 1.2; }
.hud-toast-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.hud-toast-kicker { color: var(--warning); font-size: var(--fs-11); font-weight: 600; }
.hud-toast-title { color: var(--text); font-size: var(--fs-13); font-weight: 600; }
.hud-toast-meta { color: var(--faint); font-size: var(--fs-11); }

/* ───────────────────────────────────────────────────────────────────────────
   Palette — a usable create dock: search, collapsible groups, real rows
   ─────────────────────────────────────────────────────────────────────────── */
#game-container #resource-palette {
  position: fixed;
  top: var(--hud-h);
  left: 0;
  bottom: 0;
  width: var(--palette-w);
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  gap: 0;
  overflow: hidden;
  background: var(--surface);
  border-right: 1px solid var(--line);
  border-left: 0;
  border-top: 0;
  border-bottom: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
#game-container .palette-head { padding: var(--s3) var(--s3) var(--s2); border-bottom: 1px solid var(--line); }
#game-container .palette-title {
  margin: 0 0 var(--s3);
  color: var(--text);
  font-size: var(--fs-13);
  font-weight: 600;
  letter-spacing: 0;
}
#game-container .palette-search {
  display: flex;
  align-items: center;
  gap: var(--s2);
  height: 30px;
  padding: 0 var(--s2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--ground);
  color: var(--faint);
  transition: border-color 140ms ease;
}
#game-container .palette-search:focus-within { border-color: #464F5C; }
#game-container .palette-search svg { width: 13px; height: 13px; flex: 0 0 auto; }
#game-container .palette-search input {
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  outline: none;
}
#game-container .palette-search input::placeholder { color: var(--faint); }
#game-container .palette-search-clear {
  width: 16px;
  height: 16px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--faint);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
}
#game-container .palette-search-clear:hover { color: var(--text); }
#game-container .palette-search-clear[hidden] { display: none; }

#game-container .palette-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--s2) 0 var(--s4);
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
#game-container .palette-scroll::-webkit-scrollbar { display: block; width: 8px; }
#game-container .palette-group { margin-bottom: 1px; }
#game-container .palette-group-head {
  display: flex;
  align-items: center;
  gap: var(--s2);
  width: 100%;
  height: 30px;
  padding: 0 var(--s3);
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color 120ms ease, background-color 120ms ease;
}
#game-container .palette-group-head:hover { color: var(--text); background: var(--raised); }
#game-container .palette-chevron { width: 11px; height: 11px; flex: 0 0 auto; transition: transform 160ms ease; color: var(--faint); }
#game-container .palette-group.collapsed .palette-chevron { transform: rotate(-90deg); }
#game-container .palette-group-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#game-container .palette-group-count {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  font-weight: 400;
}
#game-container .palette-group-body { display: flex; flex-direction: column; gap: 1px; padding: 1px var(--s2) var(--s2); }
#game-container .palette-group.collapsed .palette-group-body { display: none; }

#game-container .palette-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: var(--s2);
  width: 100%;
  height: 32px;
  padding: 0 var(--s2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--fs-13);
  cursor: grab;
  user-select: none;
  position: relative;
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease;
}
#game-container .palette-item:hover {
  background: var(--raised);
  border-color: transparent;
  color: var(--text);
  transform: none;
  box-shadow: none;
}
#game-container .palette-item:active { cursor: grabbing; background: var(--active-bg); transform: none; }
#game-container .palette-item.selected {
  background: var(--accent-dim);
  border-color: rgba(238, 0, 0, 0.45);
  color: var(--text);
  box-shadow: none;
}
#game-container .palette-item.selected .palette-icon { color: var(--accent-soft); }
#game-container .palette-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  color: var(--faint);
}
#game-container .palette-icon svg { width: 15px; height: 15px; }
#game-container .palette-item:hover .palette-icon { color: var(--muted); }
#game-container .palette-label {
  flex: 1;
  min-width: 0;
  max-width: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
  color: var(--muted);
  font-size: var(--fs-13);
  line-height: 1.2;
}
#game-container .palette-item:hover .palette-label { color: var(--text); }
#game-container .palette-shortcut {
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: var(--ground);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 14px;
  text-align: center;
}
#game-container .palette-tooltip { display: none !important; }
#game-container .palette-section-label { display: none !important; }
#game-container .palette-separator { display: none !important; }

#game-container .palette-scroll.filtering .palette-group.collapsed .palette-group-body { display: flex; }
#game-container .palette-scroll.filtering .palette-group-head { pointer-events: none; }
#game-container .palette-scroll.filtering .palette-chevron { opacity: 0; }
#game-container .palette-item.filtered-out { display: none !important; }
#game-container .palette-group.empty { display: none !important; }

#game-container .palette-empty {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--s2);
  margin: var(--s3);
  padding: var(--s3);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--faint);
  font-size: var(--fs-12);
}
#game-container .palette-empty[hidden] { display: none; }
#game-container .palette-empty-clear { height: 26px; padding: 0 var(--s2); font-size: var(--fs-12); }

#game-container .palette-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  padding: var(--s2) var(--s3);
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: var(--fs-11);
}
#game-container .palette-hint-keys { display: inline-flex; align-items: center; gap: 3px; white-space: nowrap; }
#game-container .palette-hint-keys kbd { min-width: 14px; height: 14px; font-size: 10px; padding: 0 3px; }

#game-github-badge { display: none !important; }

/* ───────────────────────────────────────────────────────────────────────────
   Mission panel — the calm mission card
   ─────────────────────────────────────────────────────────────────────────── */
#objectives-panel {
  position: fixed;
  top: calc(var(--hud-h) + var(--s4));
  left: calc(var(--palette-w) + var(--s4));
  z-index: 30;
  width: 336px;
  max-height: min(560px, calc(100vh - var(--hud-h) - 150px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: var(--text);
  font-family: var(--font-sans);
}
#objectives-panel[style*="display: none"] { display: none !important; }
.mission-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  padding: var(--s3) var(--s3) 0 var(--s4);
}
.mission-meta {
  color: var(--faint);
  font-size: var(--fs-11);
  font-weight: 500;
  letter-spacing: 0;
}
.mission-meta[data-urgent="true"] { color: var(--negative); }
.mission-collapse { flex: 0 0 auto; }
#objectives-panel.collapsed .mission-collapse svg { transform: rotate(-90deg); }
.mission-collapse svg { transition: transform 160ms ease; }
#obj-panel-body {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
  padding: var(--s2) var(--s4) var(--s4);
}
.mission-title {
  margin: var(--s1) 0 0;
  color: var(--text);
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.25;
}
.mission-goal {
  margin: var(--s2) 0 0;
  color: var(--muted);
  font-size: var(--fs-12);
  line-height: 1.55;
}
.mission-next {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: var(--s3);
  padding: var(--s2) var(--s3);
  border-radius: var(--radius-sm);
  background: var(--raised);
  border: 1px solid var(--line);
}
.mission-next[hidden] { display: none; }
.mission-next-label { color: var(--accent-soft); font-size: var(--fs-11); font-weight: 600; }
.mission-next-text { color: var(--text); font-size: var(--fs-12); line-height: 1.45; }
.mission-progress {
  display: flex;
  align-items: center;
  gap: var(--s3);
  margin-top: var(--s3);
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--line);
}
.mission-progress-label { color: var(--muted); font-size: var(--fs-11); font-weight: 500; white-space: nowrap; }
.mission-progress-track { flex: 1; height: 3px; border-radius: 3px; background: var(--line-strong); overflow: hidden; }
.mission-progress-fill { height: 100%; width: 0; background: var(--accent); border-radius: 3px; transition: width 300ms ease; }
.obj-list { display: flex; flex-direction: column; gap: var(--s1); padding: var(--s3) 0; }
.obj-row {
  display: flex;
  align-items: flex-start;
  gap: var(--s2);
  padding: 5px 0;
  color: var(--text);
  font-size: var(--fs-12);
  line-height: 1.45;
  transition: color 160ms ease;
}
.obj-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  margin-top: 1px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--ground);
}
.obj-check svg { width: 10px; height: 10px; }
.obj-row.done .obj-check { background: var(--positive); border-color: var(--positive); }
.obj-row.done .obj-label { color: var(--faint); }
.obj-count { color: var(--faint); font-family: var(--font-mono); font-size: var(--fs-11); }
.obj-row.done .obj-count { color: var(--faint); }
.mission-hints { border-top: 1px solid var(--line); padding-top: var(--s3); }
.mission-hints[style*="display: none"] { display: none !important; }
.hint-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  height: 30px;
  padding: 0 var(--s3);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--warning-dim);
  color: var(--warning);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease;
}
.hint-btn:hover { border-color: rgba(232, 163, 61, 0.45); }
.hint-btn svg { width: 13px; height: 13px; }
.hint-btn[style*="display: none"] { display: none !important; }
.hint-list { display: flex; flex-direction: column; gap: var(--s2); margin-top: var(--s2); }
.hint-row {
  display: flex;
  align-items: flex-start;
  gap: var(--s2);
  color: var(--muted);
  font-size: var(--fs-12);
  line-height: 1.5;
}
.hint-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin-top: 1px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
}
.hint-row code, .hint-text code { font-family: var(--font-mono); font-size: 0.94em; color: var(--text); }

/* ───────────────────────────────────────────────────────────────────────────
   View toolbar — quiet controls, bottom-left, above the terminal dock
   ─────────────────────────────────────────────────────────────────────────── */
#view-toolbar {
  position: fixed;
  left: calc(var(--palette-w) + var(--s4));
  bottom: var(--s4);
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 2px;
  height: 36px;
  padding: 3px;
  transform: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: bottom 220ms cubic-bezier(0.22, 1, 0.36, 1);
}
body.terminal-open #view-toolbar { bottom: calc(var(--dock-h) + var(--s3)); }
.tb-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 var(--s2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: color 120ms ease, background-color 120ms ease;
}
.tb-btn:hover { color: var(--text); background: var(--raised-2); }
.tb-btn:active { background: var(--active-bg); }
.tb-btn svg { width: 14px; height: 14px; flex: 0 0 auto; }
.tb-btn kbd { height: 16px; min-width: 16px; font-size: 10px; }
.tb-btn-terminal { color: var(--text); }
.tb-btn-terminal kbd { border-color: #3A434F; }
.tb-sep { width: 1px; height: 16px; margin: 0 var(--s1); background: var(--line-strong); }

#minimap,
#minimap-container {
  z-index: 25 !important;
  right: var(--s4) !important;
  bottom: var(--s4) !important;
  border-radius: var(--radius) !important;
  border: 1px solid var(--line) !important;
  background: var(--surface) !important;
  box-shadow: none !important;
  overflow: hidden;
  transition: bottom 220ms cubic-bezier(0.22, 1, 0.36, 1);
}
body.terminal-open #minimap,
body.terminal-open #minimap-container { bottom: calc(var(--dock-h) + var(--s3)) !important; }

/* ───────────────────────────────────────────────────────────────────────────
   Terminal dock — docked above the view toolbar, never under it
   ─────────────────────────────────────────────────────────────────────────── */
.term-container {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  transform: translateY(calc(100% + 2px));
  transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
  font-family: var(--font-sans);
  pointer-events: none;
}
.term-container.is-open { transform: translateY(0); pointer-events: auto; }
.term-dock {
  height: var(--dock-h);
  display: flex;
  flex-direction: column;
  background: var(--ground);
  border-top: 1px solid var(--line-strong);
  box-shadow: 0 -18px 44px rgba(0, 0, 0, 0.45);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.term-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  height: 36px;
  flex: 0 0 auto;
  padding: 0 var(--s4) 0 var(--s3);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.term-title { display: flex; align-items: center; gap: var(--s2); min-width: 0; }
.term-dots { display: inline-flex; gap: 4px; margin-right: var(--s1); }
.term-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line-strong); }
.term-name { color: var(--text); font-family: var(--font-mono); font-size: var(--fs-12); font-weight: 600; }
.term-platform { color: var(--faint); font-size: var(--fs-11); white-space: nowrap; }
.term-ctx {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  padding-left: var(--s2);
  border-left: 1px solid var(--line-strong);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.term-head-actions { display: flex; align-items: center; gap: var(--s3); }
.term-hint { color: var(--faint); font-size: var(--fs-11); }
.term-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--faint);
  cursor: pointer;
}
.term-close:hover { color: var(--text); background: var(--raised-2); }
.term-close svg { width: 13px; height: 13px; }
.term-output {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--s3) var(--s4);
  background: var(--ground);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.65;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.term-line { white-space: pre-wrap; word-break: break-word; color: var(--muted); }
.term-line[data-tone="cmd"] { color: var(--text); }
.term-line[data-tone="ok"] { color: var(--positive); }
.term-line[data-tone="err"] { color: var(--negative); }
.term-line[data-tone="warn"] { color: var(--warning); }
.term-line[data-tone="info"] { color: var(--muted); }
.term-line[data-tone="dim"] { color: var(--faint); }
.term-prompt-row {
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex: 0 0 auto;
  height: 46px;
  padding: 0 var(--s4);
  border-top: 1px solid var(--line);
  background: var(--surface);
}
.term-prompt { color: var(--positive); font-family: var(--font-mono); font-size: var(--fs-13); }
.term-prompt-cmd { color: var(--text); font-family: var(--font-mono); font-size: var(--fs-13); font-weight: 600; }
.term-input {
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  outline: none;
  caret-color: var(--accent-soft);
}
.term-input::placeholder { color: var(--faint); }
.term-suggestions {
  position: absolute;
  left: var(--s4);
  right: var(--s4);
  bottom: calc(var(--dock-h) + 6px);
  z-index: 46;
}
.term-suggestions[hidden] { display: none; }
.term-suggestion-list {
  overflow: hidden;
  background: var(--raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
}
.term-suggestion {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: 6px var(--s3);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--muted);
  cursor: pointer;
}
.term-suggestion:hover { background: var(--raised-2); color: var(--text); }
.term-suggestion.is-selected { background: var(--active-bg); color: var(--text); }
.term-suggestion-kind { color: var(--faint); font-size: var(--fs-11); min-width: 60px; }

/* ───────────────────────────────────────────────────────────────────────────
   Pause overlay — never discard the run silently
   ─────────────────────────────────────────────────────────────────────────── */
#pause-overlay {
  position: fixed;
  inset: 0;
  z-index: 330;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--s6);
  background: rgba(6, 8, 11, 0.72);
}
#pause-overlay.active { display: flex; }
.pause-card {
  width: min(460px, 100%);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  animation: osg-dialog-in 180ms ease-out;
}
@keyframes osg-dialog-in {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.pause-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s4); }
.pause-kicker { color: var(--faint); font-size: var(--fs-11); font-weight: 500; margin-bottom: var(--s1); }
.pause-title { margin: 0; color: var(--text); font-size: var(--fs-22); font-weight: 700; letter-spacing: -0.02em; }
.pause-clock {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}
.pause-sub { margin: var(--s2) 0 var(--s5); color: var(--muted); font-size: var(--fs-13); line-height: 1.5; }
.pause-actions { display: flex; align-items: center; gap: var(--s2); flex-wrap: wrap; }
.pause-actions .btn-primary { min-width: 116px; }
.pause-quit { margin-left: auto; }
.pause-quit[hidden] { display: none; }
.pause-confirm {
  margin-top: var(--s4);
  padding: var(--s3) var(--s4);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(242, 109, 109, 0.3);
  background: var(--negative-dim);
}
.pause-confirm[hidden] { display: none; }
.pause-confirm p { margin: 0 0 var(--s3); color: var(--text); font-size: var(--fs-12); line-height: 1.5; }
.pause-confirm-actions { display: flex; gap: var(--s2); flex-wrap: wrap; }
.pause-keys { margin-top: var(--s5); padding-top: var(--s4); border-top: 1px solid var(--line); }
.pause-keys-title { display: block; color: var(--faint); font-size: var(--fs-11); margin-bottom: var(--s3); }
.pause-key-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s2) var(--s4);
  margin: 0;
}
.pause-key-grid > div { display: flex; align-items: center; gap: var(--s2); min-width: 0; }
.pause-key-grid dt { display: flex; gap: 2px; margin: 0; flex: 0 0 auto; }
.pause-key-grid dd { margin: 0; color: var(--muted); font-size: var(--fs-12); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ───────────────────────────────────────────────────────────────────────────
   Level / challenge select — a solid, premium mission select
   ─────────────────────────────────────────────────────────────────────────── */
#level-select,
#challenge-select {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: none;
  align-items: stretch;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  background: var(--ground);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
#level-select.active,
#challenge-select.active { display: flex; }
.select-shell {
  display: flex;
  flex-direction: column;
  width: min(1180px, 100%);
  height: 100%;
  padding: var(--s7) var(--s7) 0;
  min-height: 0;
}
.select-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s6);
  flex: 0 0 auto;
  padding-bottom: var(--s6);
  border-bottom: 1px solid var(--line);
}
.select-back {
  height: 30px;
  padding: 0 var(--s2) 0 4px;
  gap: 4px;
  margin-top: 8px;
  font-size: var(--fs-12);
  flex: 0 0 auto;
}
.select-back svg { width: 14px; height: 14px; }
.select-titles { flex: 1; min-width: 0; }
.select-titles h2 {
  margin: 0;
  color: var(--text);
  font-size: var(--fs-28);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.select-titles p { margin: var(--s2) 0 0; color: var(--muted); font-size: var(--fs-13); line-height: 1.5; }
.select-actions { display: flex; align-items: center; gap: var(--s4); flex: 0 0 auto; padding-top: var(--s2); }
.select-progress { color: var(--faint); font-size: var(--fs-12); font-variant-numeric: tabular-nums; white-space: nowrap; }

.level-grid {
  display: flex;
  flex-direction: column;
  gap: var(--s6);
  width: 100%;
  max-width: none;
  max-height: none;
  flex: 1;
  overflow-y: auto;
  padding: var(--s6) 0 var(--s7);
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.chapter-block { display: flex; flex-direction: column; gap: var(--s3); }
.chapter-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s4);
}
.chapter-name { margin: 0; color: var(--text); font-size: var(--fs-16); font-weight: 600; letter-spacing: -0.01em; }
.chapter-desc { margin: 3px 0 0; color: var(--faint); font-size: var(--fs-12); line-height: 1.45; }
.chapter-progress { color: var(--faint); font-family: var(--font-mono); font-size: var(--fs-11); white-space: nowrap; }
.chapter-levels {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s2);
}

.level-card {
  display: flex;
  align-items: center;
  gap: var(--s3);
  min-height: 68px;
  padding: var(--s3);
  text-align: left;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, transform 90ms ease;
}
.level-card:hover:not(:disabled) { background: var(--raised); border-color: var(--line-strong); transform: none; }
.level-card:active:not(:disabled) { transform: translateY(1px); }
.level-card.completed { border-color: var(--line); }
.level-card.next { border-color: rgba(238, 0, 0, 0.5); background: linear-gradient(0deg, rgba(238, 0, 0, 0.05), rgba(238, 0, 0, 0.05)), var(--surface); }
.level-card.locked { cursor: not-allowed; opacity: 0.55; background: transparent; }
.level-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  font-weight: 600;
}
.level-card.next .level-number { border-color: var(--accent); color: var(--accent-soft); }
.level-card.completed .level-number { border-color: rgba(79, 191, 131, 0.45); color: var(--positive); }
.level-number svg { width: 12px; height: 12px; }
.level-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.level-title {
  margin: 0 !important;
  color: var(--text);
  font-size: var(--fs-13);
  font-weight: 600;
  line-height: 1.3;
}
.level-meta { color: var(--faint); font-size: var(--fs-11); line-height: 1.3; }
.level-card.next .level-meta { color: var(--accent-soft); }
.level-tail { display: flex; align-items: center; gap: var(--s2); flex: 0 0 auto; }
.level-stars { margin: 0 !important; color: var(--warning); font-size: var(--fs-11); letter-spacing: 1px; white-space: nowrap; }
.level-go { color: var(--faint); display: inline-flex; }
.level-go svg { width: 13px; height: 13px; }
.level-card:hover:not(:disabled) .level-go { color: var(--text); }

.select-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  flex: 0 0 auto;
  height: 44px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: var(--fs-11);
}
.select-foot-keys { display: inline-flex; align-items: center; gap: 5px; }

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s2);
  flex: 1;
  max-height: none;
  overflow-y: auto;
  padding: var(--s6) 0 var(--s7);
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.challenge-card {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  padding: var(--s3) var(--s4);
  min-height: 76px;
  text-align: left;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, transform 90ms ease;
}
.challenge-card:hover { background: var(--raised); border-color: var(--line-strong); transform: none; }
.challenge-card:active { transform: translateY(1px); }
.challenge-index { color: var(--faint); font-family: var(--font-mono); font-size: var(--fs-11); padding-top: 3px; flex: 0 0 auto; }
.challenge-info { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 0; }
.challenge-name { margin: 0; color: var(--text); font-size: var(--fs-13); font-weight: 600; }
.challenge-desc { color: var(--faint); font-size: var(--fs-11); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.challenge-tail { display: flex; flex-direction: column; align-items: flex-end; gap: var(--s1); flex: 0 0 auto; }
.challenge-time { color: var(--muted); font-family: var(--font-mono); font-size: var(--fs-11); white-space: nowrap; }
.challenge-done { color: var(--positive); font-size: var(--fs-11); white-space: nowrap; }
.challenge-go { color: var(--faint); display: inline-flex; }
.challenge-go svg { width: 13px; height: 13px; }
.challenge-card:hover .challenge-go { color: var(--text); }
.challenge-card.completed { border-color: rgba(79, 191, 131, 0.25); }

/* ───────────────────────────────────────────────────────────────────────────
   Level intro ("How to play") — compact, well set, one primary action
   ─────────────────────────────────────────────────────────────────────────── */
#tutorial-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s6);
  background: rgba(6, 8, 11, 0.74);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  animation: osg-fade-in 160ms ease-out;
}
#tutorial-overlay.fade-out { animation: osg-fade-out 220ms ease forwards; }
@keyframes osg-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes osg-fade-out { from { opacity: 1; } to { opacity: 0; } }
.intro-card {
  width: min(620px, 100%);
  max-height: calc(100vh - 56px);
  overflow-y: auto;
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  font-family: var(--font-sans);
  animation: osg-dialog-in 200ms ease-out;
}
.intro-kicker { color: var(--faint); font-size: var(--fs-11); font-weight: 500; margin-bottom: var(--s2); }
.intro-title { margin: 0; color: var(--text); font-size: var(--fs-22); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.intro-lede { margin: var(--s2) 0 0; color: var(--muted); font-size: var(--fs-13); line-height: 1.55; }
.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: var(--s5);
  margin-top: var(--s5);
  padding-top: var(--s5);
  border-top: 1px solid var(--line);
}
.intro-block { min-width: 0; }
.intro-block-title { margin: 0 0 var(--s3); color: var(--text); font-size: var(--fs-12); font-weight: 600; }
.intro-objectives,
.intro-steps { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: var(--s2); counter-reset: intro; }
.intro-objectives li,
.intro-steps li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  font-size: var(--fs-12);
  line-height: 1.5;
}
.intro-objectives li::before,
.intro-steps li::before {
  counter-increment: intro;
  content: counter(intro);
  position: absolute;
  left: 0;
  top: 1px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 15px;
  text-align: center;
}
.intro-objectives li code,
.intro-steps li code,
.intro-note code { font-family: var(--font-mono); font-size: 0.94em; color: var(--text); }
.intro-steps li b { color: var(--text); font-weight: 600; }
.intro-note { margin: 0; color: var(--muted); font-size: var(--fs-12); line-height: 1.55; }
.intro-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2) var(--s4);
  margin-top: var(--s5);
  padding-top: var(--s4);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-11);
}
.intro-controls span { display: inline-flex; align-items: center; gap: 5px; }
.intro-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  margin-top: var(--s5);
}
.intro-links { display: flex; gap: var(--s4); flex-wrap: wrap; }
.intro-links a {
  color: var(--muted);
  font-size: var(--fs-11);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: color 120ms ease, border-color 120ms ease;
}
.intro-links a:hover { color: var(--text); border-color: var(--muted); }
.intro-start { min-width: 150px; height: 36px; }

/* ───────────────────────────────────────────────────────────────────────────
   Coach card — small, anchored, stable x-position
   ─────────────────────────────────────────────────────────────────────────── */
.coach-card-wrap {
  position: fixed;
  left: 50%;
  bottom: calc(var(--s8) + var(--s5));
  transform: translateX(-50%);
  z-index: 380;
  width: min(520px, calc(100vw - 48px));
  max-width: none;
  animation: osg-coach-in 200ms ease-out;
  font-family: var(--font-sans);
}
@keyframes osg-coach-in {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.coach-card {
  padding: var(--s3) var(--s4);
  background: var(--raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
}
.coach-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); margin-bottom: var(--s2); }
.coach-step { color: var(--faint); font-size: var(--fs-11); font-weight: 500; font-variant-numeric: tabular-nums; }
.coach-dots { display: inline-flex; gap: 3px; }
.coach-dot { width: 12px; height: 2px; border-radius: 2px; background: var(--line-strong); }
.coach-dot.on { background: var(--accent); }
.coach-text { color: var(--text); font-size: var(--fs-13); line-height: 1.55; }
.coach-text code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  padding: 1px 4px;
  border-radius: var(--radius-xs);
  background: var(--ground);
  border: 1px solid var(--line);
  color: var(--text);
}
.coach-actions { display: flex; align-items: center; justify-content: flex-end; gap: var(--s3); margin-top: var(--s3); }
.coach-skip {
  height: 28px;
  padding: 0 var(--s2);
  border: 0;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--faint);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  cursor: pointer;
}
.coach-skip:hover { color: var(--text); }
.coach-next {
  height: 30px;
  padding: 0 var(--s4);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: #0B0D11;
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 140ms ease;
}
.coach-next:hover { background: #FFFFFF; }
.coach-target {
  outline: 1px solid var(--accent-soft) !important;
  outline-offset: 3px;
  animation: none !important;
}
#game-canvas.coach-target { outline: 2px solid var(--accent-soft) !important; outline-offset: -2px; }

/* ───────────────────────────────────────────────────────────────────────────
   Toasts, loading, desktop notice
   ─────────────────────────────────────────────────────────────────────────── */
.os-toast {
  position: fixed;
  left: calc(var(--palette-w) + (100vw - var(--palette-w)) / 2);
  bottom: calc(var(--s8) + var(--s6));
  transform: translateX(-50%);
  z-index: 360;
  display: flex;
  align-items: center;
  gap: var(--s3);
  max-width: min(520px, 88vw);
  padding: 10px var(--s4);
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--raised);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  line-height: 1.45;
  box-shadow: var(--shadow-float);
  animation: osg-toast-up 180ms ease-out;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.os-toast-out { opacity: 0; transform: translateX(-50%) translateY(6px); transition: opacity 200ms ease, transform 200ms ease; }
@keyframes osg-toast-up {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.os-toast-mark { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); flex: 0 0 auto; }
.os-toast-warning .os-toast-mark { background: var(--warning); }
.os-toast-success .os-toast-mark { background: var(--positive); }
.os-toast-danger .os-toast-mark { background: var(--negative); }
.os-toast-text { flex: 1; }
.os-toast-action {
  height: 24px;
  padding: 0 var(--s2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-11);
  cursor: pointer;
  white-space: nowrap;
}
.os-toast-action:hover { background: var(--raised-2); }

.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 420;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s3);
  background: var(--ground);
}
.loading-mark { color: var(--accent); }
.loading-mark svg { width: 40px; height: 40px; animation: osg-spin 1.4s linear infinite; }
@keyframes osg-spin { to { transform: rotate(360deg); } }
.loading-text { color: var(--text); font-size: var(--fs-13); font-weight: 600; }
.loading-sub { color: var(--faint); font-size: var(--fs-12); }
.loading-spinner { display: none; }

#desktop-notice {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--s5);
  background: var(--ground);
  font-family: var(--font-sans);
}
.notice-card {
  width: min(420px, 100%);
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
}
.notice-mark { color: var(--accent); margin-bottom: var(--s4); }
.notice-mark svg { width: 40px; height: 40px; }
.notice-card h2 { margin: 0 0 var(--s3); color: var(--text); font-size: var(--fs-22); font-weight: 700; letter-spacing: -0.02em; }
.notice-body { margin: 0 0 var(--s3); color: var(--muted); font-size: var(--fs-13); line-height: 1.55; }
.notice-body-quiet { color: var(--faint); font-size: var(--fs-12); }
.notice-body code { font-family: var(--font-mono); font-size: 0.94em; color: var(--text); }
.notice-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); margin-top: var(--s5); }
.notice-actions .btn-quiet { color: var(--faint); }
.notice-rule { height: 1px; background: var(--line); margin: var(--s5) 0 var(--s3); }
.notice-caption { margin: 0; color: var(--faint); font-size: var(--fs-11); }
@media (max-width: 900px) {
  #desktop-notice.active { display: flex; }
  body.continue-anyway #desktop-notice { display: none !important; }
}

/* ───────────────────────────────────────────────────────────────────────────
   Responsive: keep the game honest below 900px (desktop notice is primary)
   ─────────────────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  :root { --palette-w: 216px; }
  .hud-level-name { max-width: 170px; }
  .chapter-levels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  :root { --palette-w: 64px; --hud-h: 48px; }
  body.continue-anyway .hud-mode,
  body.continue-anyway .hud-mode-name,
  body.continue-anyway .hud-level-name,
  body.continue-anyway .hud-health-label,
  body.continue-anyway .hud-speed,
  body.continue-anyway .hud-center { display: none !important; }
  .hud-word { display: none; }
  .hud-mine { padding: 0 7px; }
  .hud-mine-label { display: none; }
  .hud-platform { padding: 0 7px; }
  .hud-platform-label { display: none; }
  .hud-bar { gap: var(--s2); padding: 0 var(--s2) !important; }
  #game-container #resource-palette { width: 64px; }
  #game-container .palette-head, .palette-foot { display: none; }
  #game-container .palette-group-head { padding: 0 6px; justify-content: center; }
  #game-container .palette-group-name, .palette-group-count, .palette-chevron { display: none; }
  #game-container .palette-group-body { padding: 2px 6px 6px; align-items: center; }
  #game-container .palette-item { justify-content: center; padding: 0; height: 36px; }
  #game-container .palette-label, .palette-shortcut { display: none; }
  #objectives-panel { left: calc(64px + var(--s2)); width: min(320px, calc(100vw - 80px)); max-height: 50vh; }
  #view-toolbar { left: calc(64px + var(--s2)); right: var(--s2); overflow-x: auto; }
  #view-toolbar .tb-btn span { display: none; }
  .tb-sep { display: none; }
  .select-shell { padding: var(--s4) var(--s4) 0; }
  .select-head { flex-wrap: wrap; gap: var(--s3); }
  .select-titles h2 { font-size: var(--fs-22); }
  .select-actions { width: 100%; justify-content: space-between; }
  .chapter-levels { grid-template-columns: 1fr; }
  .challenge-grid { grid-template-columns: 1fr; }
  .level-grid, .challenge-grid { padding-top: var(--s4); }
  .intro-card { padding: var(--s4); }
  .intro-grid { grid-template-columns: 1fr; gap: var(--s4); }
  .intro-foot { flex-direction: column; align-items: flex-start; }
  .intro-start { width: 100%; }
  .pause-card { padding: var(--s4); }
  .coach-card-wrap { bottom: calc(var(--s8) + var(--s5)); width: calc(100vw - 24px); }
  .coach-card-wrap { bottom: calc(48px + var(--s3)); }
  .os-toast { left: 50%; bottom: calc(56px + var(--s3)); }
}
@media (max-width: 480px) {
  .select-titles h2 { font-size: var(--fs-18); }
  .select-actions { flex-direction: column; align-items: stretch; gap: var(--s2); }
  .select-actions .btn-primary { width: 100%; }
  .level-card { min-height: 62px; }
  .pause-key-grid { grid-template-columns: 1fr; }
  .hud-timer { min-width: 36px; }
}

/* ───────────────────────────────────────────────────────────────────────────
   Motion — subtle, purposeful; respect reduced motion
   ─────────────────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .hud-mission-fill, .mission-progress-fill, .hud-meter-fill, .hud-xp-fill { transition: none; }
}

/* ───────────────────────────────────────────────────────────────────────────
   Side panels / docks — flat surfaces, one border, no glass, no shadow
   ─────────────────────────────────────────────────────────────────────────── */
.panel-side {
  position: fixed;
  top: var(--hud-h);
  bottom: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  width: 400px;
  max-width: calc(100vw - var(--palette-w) - 16px);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-sans);
  transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.panel-right { right: 0; border-left: 1px solid var(--line); transform: translateX(100%); }
.panel-left { left: 0; border-right: 1px solid var(--line); transform: translateX(-100%); }
.panel-side.is-open { transform: translateX(0); }
.panel-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.panel-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  transform: translateY(100%);
  transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.panel-dock.is-open { transform: translateY(0); }
body.terminal-open .panel-dock { display: none; }
.metrics-panel {
  height: min(420px, 62vh) !important;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-top: 1px solid var(--line-strong);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* Inspector */
#inspector-panel { width: 400px; }
#inspector-panel [class*="backdrop-blur"],
#incident-panel [class*="backdrop-blur"],
#metrics-panel [class*="backdrop-blur"],
#minimap [class*="backdrop-blur"],
#context-menu [class*="backdrop-blur"],
#ingame-settings-panel [class*="backdrop-blur"],
#command-bar [class*="backdrop-blur"] {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
#inspector-header,
#incident-panel .panel-inner > div:first-child {
  padding: var(--s3) var(--s4) !important;
  border-bottom: 1px solid var(--line) !important;
  min-height: 56px;
}
#inspector-icon {
  width: 26px !important;
  height: 26px !important;
  border-radius: var(--radius-xs) !important;
  background: var(--raised-2) !important;
  color: var(--muted) !important;
  font-family: var(--font-mono) !important;
  font-size: 9px !important;
}
#inspector-name { font-size: var(--fs-14) !important; color: var(--text) !important; }
#inspector-subtitle { font-size: var(--fs-11) !important; color: var(--faint) !important; }
#inspector-tabs {
  display: flex;
  gap: 2px;
  padding: 0 var(--s2) !important;
  border-bottom: 1px solid var(--line) !important;
}
#inspector-tabs [data-tab] {
  padding: 10px var(--s3) !important;
  font-size: var(--fs-12) !important;
  font-weight: 500 !important;
  color: var(--muted) !important;
  border-bottom: 2px solid transparent !important;
  background: transparent !important;
  transition: color 120ms ease, border-color 120ms ease;
}
#inspector-tabs [data-tab]:hover { color: var(--text) !important; }
#inspector-tabs [data-tab][aria-selected="true"] {
  color: var(--text) !important;
  border-bottom-color: var(--text) !important;
}
#inspector-body { padding: var(--s4) !important; font-size: var(--fs-12); }

/* Context menu: the one float allowed a shadow */
.context-menu-card {
  min-width: 240px;
  overflow: hidden;
  background: var(--raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  font-family: var(--font-sans);
}
#context-menu { z-index: 60; }
#context-menu [data-testid="context-menu-title"] { font-size: var(--fs-12) !important; color: var(--text) !important; }
#context-menu button { font-size: var(--fs-12) !important; }

/* In-game settings dialog */
.settings-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 8, 11, 0.7);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.settings-dialog {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(560px, 94vw);
  max-height: 85vh;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  font-family: var(--font-sans);
}
.settings-dialog h2 { font-size: var(--fs-16) !important; color: var(--text) !important; }
.settings-dialog .settings-difficulty { font-size: var(--fs-12); }
.settings-dialog select { color: var(--text) !important; background: var(--ground) !important; border-color: var(--line-strong) !important; }

/* Incident panel: same surface as the inspector */
#incident-panel { width: 360px; }
#incident-panel .panel-inner { background: transparent; }
#incident-panel > div { }
#incident-list { padding: var(--s3) !important; }
#incident-panel [data-filter] { font-size: var(--fs-12) !important; }

/* Minimap */
#minimap .panel-inner { display: block; }
#minimap > div { background: var(--surface) !important; border: 0 !important; border-radius: 0 !important; box-shadow: none !important; }

/* ───────────────────────────────────────────────────────────────────────────
   Shared modals (menu settings / achievements / stats / level complete)
   ─────────────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--s5);
  background: rgba(6, 8, 11, 0.72);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.modal-overlay.active { display: flex; }
.modal-content {
  width: min(560px, 94vw);
  max-width: 560px;
  max-height: 86vh;
  overflow-y: auto;
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  animation: osg-dialog-in 180ms ease-out;
  font-family: var(--font-sans);
}
.modal-title { margin: 0 0 var(--s3); color: var(--text); font-size: var(--fs-18); font-weight: 700; letter-spacing: -0.01em; }
.modal-body { color: var(--muted); font-size: var(--fs-13); line-height: 1.6; margin-bottom: var(--s4); }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--s2); }

.settings-panel {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--s5);
  background: rgba(6, 8, 11, 0.72);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.settings-panel.active { display: flex; }
.settings-content {
  width: min(520px, 94vw);
  max-height: 86vh;
  overflow-y: auto;
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  font-family: var(--font-sans);
}
.settings-content h2 { font-size: var(--fs-16); }
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--line);
}
.settings-label { color: var(--muted); font-size: var(--fs-13); }
.settings-panel select {
  height: 32px;
  padding: 0 var(--s2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  outline: none;
}
.toggle {
  position: relative;
  width: 36px;
  height: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--ground);
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease;
}
.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--faint);
  transition: transform 160ms ease, background-color 160ms ease;
}
.toggle.active { background: var(--text); border-color: var(--text); }
.toggle.active::after { transform: translateX(16px); background: var(--ground); }

/* Achievements + stats */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s2);
  max-height: 62vh;
  overflow-y: auto;
  padding-right: var(--s2);
}
.achievement-card {
  padding: var(--s3) var(--s4);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--raised);
  transition: border-color 140ms ease, background-color 140ms ease;
}
.achievement-card.unlocked { border-color: rgba(232, 163, 61, 0.4); }
.achievement-card.locked { opacity: 0.6; }
.achievement-icon { font-size: 1.2rem; margin-bottom: var(--s2); }
.achievement-name { color: var(--text); font-size: var(--fs-13); font-weight: 600; margin-bottom: 2px; }
.achievement-desc { color: var(--faint); font-size: var(--fs-11); line-height: 1.45; }

/* ───────────────────────────────────────────────────────────────────────────
   Small fixes for untouched legacy classes
   ─────────────────────────────────────────────────────────────────────────── */
.chapter-header { display: none; }
.drag-ghost { opacity: 1; }
.drag-ghost .palette-icon { color: var(--text); filter: none; }
.drag-ghost .palette-icon svg { width: 26px; height: 26px; }
.status-dot { box-shadow: none !important; }
.star { color: var(--warning); }
.star-empty { color: var(--faint); }
.os-badge { box-shadow: none; }
.keyboard-hint { font-family: var(--font-mono); }

/* Late overrides for legacy responsive rules (they used !important). */
@media (max-width: 900px) {
  #game-container #resource-palette { width: 64px !important; top: var(--hud-h) !important; padding: 0 !important; }
  #game-container .palette-item { width: 100% !important; height: 36px !important; border-radius: var(--radius-sm) !important; }
  #game-container .palette-group-body { padding: 2px 6px 6px !important; }
  #objectives-panel { left: calc(64px + var(--s2)) !important; width: min(320px, calc(100vw - 80px)) !important; max-height: 50vh !important; top: calc(var(--hud-h) + var(--s2)) !important; }
  #view-toolbar { left: calc(64px + var(--s2)) !important; right: var(--s2) !important; bottom: var(--s2) !important; transform: none !important; max-width: none !important; overflow-x: auto !important; }
  body.terminal-open #view-toolbar { bottom: calc(var(--dock-h) + var(--s3)) !important; }
  #inspector-panel { width: min(400px, 92vw) !important; top: var(--hud-h) !important; right: 0 !important; left: auto !important; }
  #incident-panel { width: min(340px, 88vw) !important; top: var(--hud-h) !important; }
  #minimap, #minimap-container { display: none !important; }
  #hud { height: var(--hud-h) !important; }
  #hud > .hud-bar { height: var(--hud-h) !important; padding: 0 var(--s2) !important; gap: var(--s2) !important; }
  .coach-card-wrap { bottom: calc(56px + var(--s3)) !important; }
}
@media (max-width: 480px) {
  #game-container #resource-palette { width: 56px !important; }
  #objectives-panel { left: calc(56px + var(--s2)) !important; width: calc(100vw - 72px) !important; }
  #view-toolbar { left: calc(56px + var(--s2)) !important; }
}

/* ───────────────────────────────────────────────────────────────────────────
   Metrics dashboard — KPIs are type, not coloured tiles
   ─────────────────────────────────────────────────────────────────────────── */
.metrics-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  padding: 0 var(--s4);
  border-bottom: 1px solid var(--line);
  flex: 0 0 auto;
}
.metrics-head > div:first-child { display: flex; align-items: center; gap: var(--s3); min-width: 0; }
.metrics-head > div:last-child { display: flex; align-items: center; gap: var(--s3); }
.metrics-title { color: var(--text); font-size: var(--fs-13); font-weight: 600; white-space: nowrap; }
.metrics-chip {
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--line-strong);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  white-space: nowrap;
}
.metrics-scope { color: var(--muted); font-size: var(--fs-11); white-space: nowrap; }
.metrics-version { color: var(--faint); font-family: var(--font-mono); font-size: var(--fs-11); }
#metrics-dashboard .grid { color: inherit; }
#metrics-dashboard .uppercase { text-transform: none !important; letter-spacing: 0 !important; }
#metrics-dashboard [class*="text-blue-400"],
#metrics-dashboard [class*="text-purple-400"],
#metrics-dashboard [class*="text-emerald-400"],
#metrics-dashboard [class*="text-orange-400"],
#metrics-dashboard [class*="text-sky-400"],
#metrics-dashboard [class*="text-yellow-400"] { color: var(--text) !important; }
.metrics-kpi {
  padding: var(--s2) var(--s3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--raised);
  min-width: 0;
}
.metrics-kpi-label { color: var(--faint); font-size: var(--fs-11); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metrics-kpi-value { margin-top: 2px; color: var(--text); font-family: var(--font-mono); font-size: var(--fs-16); font-weight: 600; font-variant-numeric: tabular-nums; }
.metrics-chart {
  position: relative;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--raised);
  overflow: hidden;
  min-height: 0;
}
.metrics-chart-label {
  position: absolute;
  top: 6px;
  left: var(--s2);
  z-index: 1;
  color: var(--faint);
  font-size: var(--fs-11);
}
.metrics-chart-value {
  position: absolute;
  top: 5px;
  right: var(--s2);
  z-index: 1;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-11);
  font-variant-numeric: tabular-nums;
}
.metrics-canvas { width: 100%; height: 100%; display: block; }
.metrics-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  margin-bottom: var(--s1);
  color: var(--muted);
  font-size: var(--fs-11);
  font-weight: 500;
  flex-shrink: 0;
}
.metrics-section-meta { color: var(--faint); font-family: var(--font-mono); font-size: 10px; }
#metrics-pods, #metrics-nodes, #metrics-quota, #metrics-operators { border-radius: var(--radius-sm) !important; border: 1px solid var(--line) !important; background: var(--ground) !important; }

/* ───────────────────────────────────────────────────────────────────────────
   EX280 Prep overlay — align the self-styled panel with the console system
   ─────────────────────────────────────────────────────────────────────────── */
#exam-prep-overlay.active .ep-group {
  border-color: var(--line) !important;
  border-radius: var(--radius) !important;
  background: var(--raised) !important;
}
#exam-prep-overlay.active .ep-group-head {
  background: var(--raised-2) !important;
  border-bottom: 1px solid var(--line) !important;
}
#exam-prep-overlay.active .ep-group-title { color: var(--text) !important; font-weight: 600 !important; }
#exam-prep-overlay.active .ep-group-count { color: var(--faint) !important; }
#exam-prep-overlay.active .ep-bullet { border-top-color: var(--line) !important; }
#exam-prep-overlay.active .ep-bullet-title { color: var(--text) !important; font-weight: 500 !important; }
#exam-prep-overlay.active .ep-bullet-summary { color: var(--muted) !important; }
#exam-prep-overlay.active .ep-status {
  text-transform: none !important;
  letter-spacing: 0 !important;
  font-size: 0.68rem !important;
  font-weight: 600 !important;
  border-radius: var(--radius-xs) !important;
}
#exam-prep-overlay.active .ep-cmd-row code {
  background: var(--ground) !important;
  border: 1px solid var(--line) !important;
  color: var(--text) !important;
  border-radius: var(--radius-xs) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.7rem !important;
}
#exam-prep-overlay.active .ep-icon-btn { border-color: var(--line-strong) !important; color: var(--muted) !important; }
#exam-prep-overlay.active .ep-icon-btn:hover { background: var(--raised) !important; color: var(--text) !important; }
#exam-prep-overlay.active .ep-search {
  background: var(--ground) !important;
  border: 1px solid var(--line-strong) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text) !important;
}
#exam-prep-overlay.active .ep-toolbar { color: var(--muted) !important; }
#exam-prep-overlay.active .ep-tab { border-radius: var(--radius-sm) !important; }
#exam-prep-overlay.active .ep-lab-card {
  border-radius: var(--radius) !important;
  border-color: var(--line) !important;
  background: var(--raised) !important;
}
#exam-prep-overlay.active .ep-lab-card.ep-lab-flash { box-shadow: none !important; border-color: var(--accent) !important; }
#exam-prep-overlay.active .ep-progress-row { background: transparent !important; border-bottom: 1px solid var(--line) !important; }
#exam-prep-overlay.active .ep-readiness { border-radius: var(--radius-xs) !important; }
#exam-prep-overlay.active .ep-panel::-webkit-scrollbar-thumb { background: var(--line-strong) !important; }

/* Mission inline code */
.mission-goal code,
.hint-text code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--raised);
  color: var(--text);
}

@media (max-width: 900px) {
  #incident-panel { left: 0 !important; }
}

/* Focus + completion feedback */
#game-container .palette-item:focus-visible,
.hint-btn:focus-visible,
.obj-row:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}
.mission-progress-fill.is-complete { background: var(--positive); }
.obj-row { animation: none; }
.obj-row.done .obj-label { transition: color 200ms ease; }

/* Quieter hint affordance: text first, tint only on hover. */
.hint-btn {
  background: transparent;
  border-color: var(--line);
  color: var(--warning);
}
.hint-btn:hover {
  background: var(--warning-dim);
  border-color: rgba(232, 163, 61, 0.4);
}

/* The cluster popover always shows XP (legacy media rules hid it on narrow screens). */
#hud-cluster-pop #hud-xp-container { display: flex !important; }