:root {
  --bg: #06060b;
  --ink: #ececf5;
  --dim: #9a9ab4;
  --faint: #5d5d78;
  --line: rgba(255, 255, 255, 0.09);
  --accent: #8b7cff;
  --accent-2: #4fd1c5;
  --danger: #ff5c74;
  --radius: 26px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }

/* ---------- atmosphere ---------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(1100px 680px at 50% -12%, rgba(112, 92, 255, 0.17), transparent 62%),
    radial-gradient(860px 600px at 88% 112%, rgba(45, 212, 191, 0.1), transparent 62%),
    radial-gradient(700px 500px at 4% 100%, rgba(255, 92, 150, 0.06), transparent 60%);
}
.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.028) 0.6px, transparent 0.6px);
  background-size: 3px 3px;
  opacity: 0.55;
}

/* ---------- shell ---------- */
.shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100svh;
  max-width: 1040px;
  margin: 0 auto;
  padding: 18px clamp(16px, 4vw, 40px) 14px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 34px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 750;
  letter-spacing: 0.32em;
  text-decoration: none;
  white-space: nowrap;
}
.brand::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px rgba(139, 124, 255, 0.85);
}
.brand span {
  color: var(--faint);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hud {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 28px);
}
.hud-item { display: flex; flex-direction: column; gap: 3px; }
.hud-item .k {
  font-size: 8.5px;
  letter-spacing: 0.2em;
  color: var(--faint);
  text-transform: uppercase;
}
.hud-item .v {
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hud-item.mode-item .v { font-size: 12px; letter-spacing: 0.03em; }
.dim { color: var(--faint); font-size: 10px; font-weight: 500; margin-left: 1px; }

.lives { display: flex; align-items: center; gap: 4px; height: 14px; }
.life {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(139, 124, 255, 0.75);
  transition: background 0.2s, box-shadow 0.2s;
}
.life.off { background: #26263a; box-shadow: none; }

.sound {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--dim);
  font: inherit;
  font-size: 8.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  padding: 7px 10px;
  cursor: pointer;
  white-space: nowrap;
}
.sound:hover { color: var(--ink); border-color: rgba(255, 255, 255, 0.18); }

/* ---------- playfield ---------- */
.playfield {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.timer {
  width: min(64vh, 560px, 100%);
  height: 3px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s ease;
}
body.playing .timer { opacity: 1; }
body.playing.zen .timer { opacity: 0; }
body.zen .hud-item.lives { display: none; }
.timer i {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: left center;
  transform: scaleX(1);
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: background 0.25s ease;
}
.timer.low i { background: linear-gradient(90deg, #ffb86b, var(--danger)); }

.stage {
  position: relative;
  width: min(64vh, 560px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  background:
    radial-gradient(120% 100% at 18% 0%, #171728 0%, #0b0b12 56%, #08080d 100%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow:
    0 46px 90px -46px rgba(0, 0, 0, 0.95),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  touch-action: manipulation;
  transform: translateZ(0);
}
.stage.shake { animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97); }
@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}

canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.cells { position: absolute; inset: 0; }
.cell {
  position: absolute;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.cell:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: -2px;
}
.cells.off { pointer-events: none; }

.status {
  min-height: 18px;
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--dim);
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  min-height: 20px;
  color: #6f6f88;
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.foot-spacer { flex: 1; }
kbd {
  font: inherit;
  font-size: 9px;
  color: #a8a8c0;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 2px 5px;
  background: rgba(255, 255, 255, 0.03);
}
.foot-keys { display: inline-flex; align-items: center; gap: 4px; }
.skip {
  border: 0;
  background: none;
  color: var(--dim);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.skip:hover { color: var(--ink); }

/* ---------- overlays ---------- */
.veil {
  position: fixed;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  padding: 24px 18px;
  overflow-y: auto;
  background: rgba(5, 5, 9, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.card {
  width: min(520px, 100%);
  padding: clamp(26px, 4.4vw, 44px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(21, 21, 34, 0.95), rgba(12, 12, 20, 0.97));
  box-shadow:
    0 60px 140px -40px #000,
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  animation: rise 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-size: 9.5px;
  font-weight: 650;
  letter-spacing: 0.34em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(42px, 9vw, 66px);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.05em;
}
h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #ffffff 6%, var(--accent) 56%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: 42ch;
  margin: 0 0 26px;
  color: var(--dim);
  font-size: 14px;
  line-height: 1.6;
}

.daily {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  margin-bottom: 9px;
  padding: 13px 16px;
  border: 0;
  border-radius: 16px;
  color: #08080d;
  font: inherit;
  text-align: left;
  cursor: pointer;
  background: linear-gradient(100deg, var(--accent) 0%, #6a7dff 48%, var(--accent-2) 100%);
  box-shadow: 0 12px 30px -18px rgba(120, 110, 255, 0.9);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.daily:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px -18px rgba(120, 110, 255, 1);
}
.daily:focus-visible { outline: 2px solid rgba(255, 255, 255, 0.8); outline-offset: 2px; }
.daily-copy { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.daily-kicker {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.62;
}
.daily-title { font-size: 16px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; }
.daily-sub {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0.68;
}
.daily-action {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}
.mode {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 5px;
  min-height: 80px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.mode:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
}
.mode:focus-visible { outline: 2px solid rgba(255, 255, 255, 0.7); outline-offset: 2px; }
.mode.danger { border-color: rgba(255, 92, 116, 0.22); }
.mode.danger:hover { border-color: rgba(255, 92, 116, 0.55); }
.mode.danger .mode-name::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--danger);
  box-shadow: 0 0 8px rgba(255, 92, 116, 0.7);
  vertical-align: 1px;
}
.mode-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
}
.mode-name { font-size: 14px; font-weight: 750; letter-spacing: -0.015em; }
.mode-best {
  color: var(--faint);
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  white-space: nowrap;
}
.mode-desc {
  color: var(--faint);
  font-size: 8px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.actions { display: grid; gap: 9px; }
.actions-row { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.actions-row .btn { padding-inline: 10px; }
.btn {
  width: 100%;
  padding: 14px 18px;
  border-radius: 15px;
  font: inherit;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.btn small {
  display: block;
  margin-top: 4px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
}
.btn.primary {
  border: 0;
  color: #08080d;
  background: linear-gradient(100deg, var(--accent) 0%, #6a7dff 48%, var(--accent-2) 100%);
  box-shadow: 0 10px 30px -16px rgba(120, 110, 255, 0.7);
}
.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 38px -16px rgba(120, 110, 255, 0.95);
}
.btn.ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.02);
}
.btn.ghost:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.045);
}
.btn:active { transform: translateY(0); }

.meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.meta .best { color: var(--ink); font-size: 12px; letter-spacing: 0.02em; }

/* ---------- result ---------- */
.result-title {
  margin: 0 0 8px;
  font-size: clamp(30px, 6vw, 40px);
  font-weight: 800;
  letter-spacing: -0.045em;
}
.scoreline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
}
.score-big {
  font-size: clamp(50px, 11vw, 72px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.055em;
  font-variant-numeric: tabular-nums;
}
.rating {
  padding: 6px 11px;
  border: 1px solid rgba(139, 124, 255, 0.4);
  border-radius: 999px;
  color: #cfc8ff;
  background: rgba(139, 124, 255, 0.1);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
}
.newbest {
  color: #ffd479;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.blurb {
  margin: 14px 0 24px;
  max-width: 44ch;
  color: var(--dim);
  font-size: 13.5px;
  line-height: 1.6;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}
.stat {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.025);
}
.stat .k {
  display: block;
  margin-bottom: 5px;
  color: var(--faint);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.stat .v {
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.board-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.board-strip span {
  width: 14px;
  height: 14px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 4px;
  background: #14141f;
}
.board-strip .ok {
  border-color: transparent;
  background: var(--accent-2);
  box-shadow: 0 0 10px rgba(79, 209, 197, 0.35);
}
.board-strip .recovered { border-color: transparent; background: #ffd479; }
.board-strip .miss { border-color: transparent; background: var(--danger); }
.board-strip .skipped { border-color: transparent; background: #5d5d78; }
.board-strip .unplayed { background: #14141f; }

.result-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  margin-bottom: 18px;
}
.mode-note {
  margin: 0;
  color: var(--faint);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.copy {
  border: 0;
  background: none;
  color: var(--accent-2);
  font: inherit;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}
.copy:hover { color: var(--ink); }
.copy:disabled { color: var(--faint); cursor: default; text-decoration: none; }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .hud-item.mode-item { display: none; }
}
@media (max-width: 640px) {
  .hud-item.streak { display: none; }
  .brand span { display: none; }
  .foot-keys { display: none; }
}
@media (max-width: 480px) {
  .modes { grid-template-columns: 1fr; }
  .mode { min-height: 0; }
}
@media (max-width: 440px) {
  .hud-item.lives { display: none; }
  .hud { gap: 14px; }
  .sound { padding: 6px 8px; }
}

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