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

html {
  min-height: 100%;
  background: var(--ink);
}

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.5;
  background:
    radial-gradient(circle at 12% -8%, var(--panel) 0%, transparent 44%),
    radial-gradient(circle at 92% 8%, var(--ink-3) 0%, transparent 42%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 70%);
  overflow-x: hidden;
}

button,
input,
dialog {
  font: inherit;
}

button {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.page-grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.7;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 21px, var(--grain-line) 21px 22px),
    repeating-linear-gradient(0deg, transparent 0 21px, var(--grain-line) 21px 22px);
  mask-image: radial-gradient(circle at center, var(--text), transparent 80%);
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  min-height: 100dvh;
  margin: 0 auto;
  padding: clamp(20px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.screen {
  width: 100%;
  animation: screen-in 360ms ease both;
}

.screen h1:focus,
.screen h1:focus-visible {
  outline: none;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--bronze);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.title-screen {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  min-height: calc(100dvh - clamp(40px, 8vw, 96px));
}

.title-copy {
  max-width: 650px;
}

.wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(4.6rem, 13vw, 9.2rem);
  font-weight: 600;
  line-height: 0.82;
  letter-spacing: -0.07em;
}

.wordmark-dot {
  color: var(--bronze);
}

.lede {
  max-width: 34rem;
  margin: 26px 0 0;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
  line-height: 1.5;
}

.title-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.title-meta {
  margin: 24px 0 0;
  color: var(--muted-2);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.title-art {
  position: relative;
  justify-self: center;
  width: min(100%, 460px);
  aspect-ratio: 1;
  filter: drop-shadow(var(--shadow));
}

.loom-ring {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  animation: ring-turn 44s linear infinite;
}

.loom-ring-1 {
  inset: 3%;
  border-color: var(--bronze-dim);
  border-style: double;
  border-width: 2px;
}

.loom-ring-2 {
  inset: 17%;
  border-color: var(--line-strong);
  border-style: dashed;
  animation-direction: reverse;
  animation-duration: 58s;
}

.loom-ring-3 {
  inset: 31%;
  border-color: var(--line);
  animation-duration: 36s;
}

.title-thread {
  position: absolute;
  inset: 9%;
  width: 82%;
  height: 82%;
  transform: rotate(-9deg);
}

.title-thread path {
  fill: none;
  stroke: var(--thread-gold);
  stroke-width: 1.15;
  stroke-linecap: round;
  filter: drop-shadow(0 0 5px var(--thread-gold));
}

.title-spool {
  position: absolute;
  width: 13%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--ink) 0 25%, var(--spool-color) 26% 100%);
  box-shadow: 0 0 0 2px var(--ink), 0 0 26px var(--spool-color);
}

.title-spool-a {
  top: 12%;
  right: 18%;
  --spool-color: var(--thread-coral);
}

.title-spool-b {
  bottom: 14%;
  left: 17%;
  --spool-color: var(--thread-gold);
}

.page-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-head-title h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.page-head-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: right;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.level-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  min-height: 164px;
  padding: 18px;
  overflow: hidden;
  text-align: left;
  color: var(--text);
  background: linear-gradient(145deg, var(--panel), var(--ink-3));
  border: 1px solid var(--line);
  border-radius: 16px;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.level-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -42px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: 0.6;
  transition: border-color 180ms ease, transform 180ms ease;
}

.level-card:hover:not(:disabled),
.level-card:focus-visible:not(:disabled) {
  transform: translateY(-3px);
  border-color: var(--bronze);
  background: linear-gradient(145deg, var(--panel-2), var(--ink-3));
}

.level-card:hover:not(:disabled)::after {
  border-color: var(--bronze-dim);
  transform: scale(1.12);
}

.level-card[data-solved="true"] {
  border-color: var(--bronze-dim);
}

.level-card[data-next="true"] {
  border-color: var(--bronze);
  box-shadow: 0 0 0 1px var(--bronze-dim), var(--shadow-soft);
}

.level-card[data-next="true"] .level-state {
  color: var(--ink);
  background: var(--bronze);
  border-color: var(--bronze);
}

.level-card[data-locked="true"] {
  opacity: 0.46;
  cursor: not-allowed;
}

.level-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.level-number {
  color: var(--bronze);
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1;
}

.level-state {
  padding: 3px 9px;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.level-card[data-solved="true"] .level-state {
  color: var(--bronze-bright);
  border-color: var(--bronze-dim);
}

.level-card-name {
  display: block;
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 1.36rem;
  line-height: 1.1;
}

.level-card-meta {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.82rem;
}

.level-card-best {
  display: block;
  margin-top: 10px;
  color: var(--bronze-bright);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.footnote {
  max-width: 58rem;
  margin: 26px 0 0;
  color: var(--muted-2);
  font-size: 0.8rem;
}

.game-screen {
  width: min(920px, 100%);
  margin: 0 auto;
}

.game-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  margin-bottom: clamp(16px, 3vw, 28px);
}

.game-title {
  text-align: center;
}

.game-title h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.game-title .eyebrow {
  margin-bottom: 5px;
  font-size: 0.62rem;
}

.game-stats {
  display: flex;
  gap: 16px;
  margin: 0;
}

.game-stats div {
  text-align: right;
}

.game-stats dt {
  color: var(--muted-2);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.game-stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-variant-numeric: tabular-nums;
}

.loom-stage {
  display: grid;
  place-items: center;
  gap: 12px;
}

.loom {
  --loom-size: 5;
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--loom-size), 1fr);
  width: min(100%, 620px, calc(100dvh - 250px));
  aspect-ratio: 1;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  background:
    radial-gradient(circle at 30% 20%, var(--panel) 0%, transparent 55%),
    linear-gradient(145deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  box-shadow: var(--shadow), inset 0 0 0 5px var(--ink-2), inset 0 0 70px var(--ink);
}

.loom::after {
  content: "";
  position: absolute;
  inset: 7px;
  z-index: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  pointer-events: none;
}

.cell {
  position: relative;
  z-index: 1;
  min-width: 0;
  min-height: 0;
  padding: 0;
  appearance: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: crosshair;
  touch-action: none;
}

.cell::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--owner);
  opacity: 0.11;
}

.cell:hover {
  background: var(--cell-hover);
}

.cell:focus-visible {
  z-index: 5;
  outline: none;
  box-shadow: inset 0 0 0 3px var(--focus);
}

.threads {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.thread-glow {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.2;
}

.thread-core {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.draft-thread {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 0.18 0.15;
  opacity: 0.95;
}

.hint-thread {
  fill: none;
  stroke: var(--text);
  stroke-width: 0.075;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 0.055 0.15;
  opacity: 0.62;
  animation: hint-pulse 1.6s ease-in-out infinite;
}

.spool-glow {
  opacity: 0.28;
}

.spool-ring {
  fill: var(--ink);
  stroke-width: 0.06;
}

.spool-core {
  opacity: 0.95;
}

.loom.is-won {
  border-color: var(--bronze-bright);
  box-shadow: var(--shadow), 0 0 42px var(--glow), inset 0 0 0 5px var(--ink-2);
}

.loom.is-won .thread-core {
  filter: drop-shadow(0 0 0.05px var(--text));
}

.loom.is-error {
  animation: loom-shake 320ms ease;
}

.status-line {
  min-height: 1.4em;
  margin: 0;
  color: var(--bronze-bright);
  font-size: 0.86rem;
  text-align: center;
}

.game-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
}

.game-help {
  max-width: 560px;
  margin: 18px auto 0;
  color: var(--muted-2);
  font-size: 0.78rem;
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 20px;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--panel-2);
  border-color: var(--bronze);
}

.btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.btn-small {
  min-height: 36px;
  padding: 7px 13px;
  font-size: 0.76rem;
}

.btn-primary {
  color: var(--ink);
  background: linear-gradient(180deg, var(--bronze-bright), var(--bronze));
  border-color: var(--bronze-bright);
  box-shadow: 0 8px 24px var(--glow);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(180deg, var(--bronze-bright), var(--bronze-bright));
  border-color: var(--bronze-bright);
}

.btn-ghost {
  background: transparent;
}

.sound-toggle {
  min-height: 32px;
  margin-top: 14px;
  padding: 0;
  color: var(--muted-2);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-decoration: underline;
  text-underline-offset: 4px;
  background: none;
  border: 0;
  cursor: pointer;
}

.sound-toggle:hover {
  color: var(--muted);
}

.sound-toggle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
  border-radius: 4px;
}

.modal {
  width: min(92vw, 560px);
  max-height: min(88dvh, 720px);
  padding: 0;
  overflow: auto;
  color: var(--text);
  background: linear-gradient(150deg, var(--panel), var(--ink-2));
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.modal::backdrop {
  background: var(--backdrop);
  backdrop-filter: blur(5px);
}

.modal[open] {
  animation: modal-in 220ms ease both;
}

.modal-body {
  padding: clamp(22px, 4vw, 36px);
}

.modal h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.rules {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 1.25em;
  color: var(--muted);
  line-height: 1.55;
}

.rules strong {
  color: var(--text);
}

.modal-note {
  margin: 18px 0 0;
  padding-left: 12px;
  color: var(--muted-2);
  font-size: 0.82rem;
  border-left: 2px solid var(--bronze-dim);
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 26px;
}

.win-modal {
  text-align: center;
}

.win-summary {
  margin: 0 auto;
  max-width: 38rem;
  color: var(--muted);
}

.win-stats {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin: 24px 0 0;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.win-stats dt {
  color: var(--muted-2);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.win-stats dd {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}

.win-modal .modal-actions {
  justify-content: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--bronze-bright);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.noscript {
  position: fixed;
  inset: auto 16px 16px;
  z-index: 30;
  margin: 0;
  padding: 14px;
  color: var(--ink);
  text-align: center;
  background: var(--bronze-bright);
  border-radius: 10px;
}

@keyframes screen-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ring-turn {
  to {
    transform: rotate(360deg);
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes hint-pulse {
  0%,
  100% {
    opacity: 0.32;
  }
  50% {
    opacity: 0.72;
  }
}

@keyframes loom-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  30% {
    transform: translateX(-4px);
  }
  65% {
    transform: translateX(4px);
  }
}

@media (max-width: 820px) {
  .title-screen {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 10px;
  }

  .title-art {
    order: -1;
    width: min(62vw, 300px);
  }

  .wordmark {
    font-size: clamp(4.2rem, 18vw, 7rem);
  }

  .page-head {
    grid-template-columns: auto 1fr;
  }

  .page-head-meta {
    grid-column: 1 / -1;
    text-align: left;
  }

  .game-bar {
    grid-template-columns: auto 1fr;
  }

  .game-title {
    text-align: right;
  }

  .game-stats {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }

  .game-stats div {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .shell {
    padding: 16px;
  }

  .title-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .level-grid {
    grid-template-columns: 1fr;
  }

  .level-card {
    min-height: 142px;
  }

  .game-bar {
    gap: 10px;
  }

  .game-title h1 {
    font-size: 1.45rem;
  }

  .game-stats {
    justify-content: space-between;
  }

  .btn {
    padding: 9px 15px;
  }

  .win-stats {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}