:root {
  --bg: #05030b;
  --fg: #f4f0ff;
  --dim: #9d94b8;
  --accent: #b98cff;
  --hot: #ff4fd8;
  --ok: #5dff9a;
  --bad: #ff4a4a;
  --gold: #ffd24a;
  --panel: rgba(14, 9, 30, 0.86);
  --display: "Orbitron", "Chakra Petch", sans-serif;
  --body: "Chakra Petch", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#stage,
#stage canvas {
  position: fixed;
  inset: 0;
  display: block;
  touch-action: none;
}

#flash {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0;
}

.hidden {
  display: none !important;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

kbd {
  font-family: var(--display);
  font-size: 0.8em;
  padding: 1px 6px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
}

/* ---------- HUD ---------- */

#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.hud-score,
.hud-right {
  position: absolute;
  top: 14px;
  text-shadow: 0 0 12px rgba(185, 140, 255, 0.7);
}

.hud-score {
  left: 16px;
}

.hud-right {
  right: 16px;
  text-align: right;
}

.lbl,
.small {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.num {
  font-family: var(--display);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.1;
}

#lives {
  font-size: 22px;
  letter-spacing: 4px;
  color: var(--hot);
  text-shadow: 0 0 10px var(--hot);
  min-height: 26px;
}

#lives .gone {
  opacity: 0.18;
  text-shadow: none;
}

#combo {
  font-family: var(--display);
  font-weight: 900;
  font-size: 26px;
  line-height: 1;
}

#combo small {
  font-family: var(--body);
  font-size: 11px;
  letter-spacing: 0.2em;
  margin-left: 6px;
  color: var(--dim);
}

#combo.bump {
  animation: bump 0.25s ease-out;
}

#mult {
  font-family: var(--display);
  font-size: 18px;
  color: var(--gold);
  text-shadow: 0 0 10px var(--gold);
}

#prompt {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: min(520px, calc(100vw - 280px));
  text-align: center;
  padding: 8px 14px 10px;
  border-radius: 12px;
  background: rgba(8, 5, 20, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: border-color 0.15s, box-shadow 0.15s;
}

#prompt.locked {
  border-color: var(--ok);
  box-shadow: 0 0 22px rgba(93, 255, 154, 0.45);
}

#promptKind {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--dim);
}

#promptMain {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(18px, 3.4vw, 32px);
  line-height: 1.15;
  margin: 2px 0;
  text-shadow: 0 0 16px currentColor;
}

#promptMain i {
  font-family: var(--body);
  font-style: normal;
  font-weight: 400;
  font-size: 0.55em;
  color: var(--dim);
  text-shadow: none;
  margin: 0 0.3em;
  vertical-align: middle;
}

#promptSub {
  font-size: 15px;
  color: var(--dim);
  min-height: 18px;
}

#timer {
  height: 4px;
  margin-top: 6px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

#timer i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--hot), var(--accent));
  transform-origin: left;
}

#promptNext {
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--dim);
  min-height: 15px;
}

#labels > div {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.keyhint {
  font-family: var(--display);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  padding: 1px 5px;
}

.trilabel {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(12px, 1.8vw, 18px);
  letter-spacing: 0.06em;
  text-shadow: 0 0 12px currentColor;
}

.trilabel small {
  display: block;
  font-family: var(--body);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.7;
  text-shadow: none;
}

#pops > div {
  position: absolute;
  font-family: var(--display);
  font-weight: 900;
  white-space: nowrap;
  transform: translate(-50%, -50%);
  text-shadow: 0 0 14px currentColor;
  animation: rise 0.9s ease-out forwards;
}

#pops > .callout {
  font-size: clamp(28px, 7vw, 64px);
  animation: callout 1.2s ease-out forwards;
}

#toast {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(30px);
  opacity: 0;
  display: flex;
  gap: 14px;
  align-items: center;
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: opacity 0.25s, transform 0.25s;
}

#toast.on {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#toast .t-title {
  font-family: var(--display);
  font-weight: 900;
  font-size: 18px;
  text-shadow: 0 0 10px currentColor;
}

#toast .t-meta {
  font-size: 13px;
  color: var(--dim);
}

#toast .t-line {
  font-size: 14px;
  font-style: italic;
}

.badge {
  display: inline-block;
  font-family: var(--display);
  font-size: 11px;
  padding: 2px 7px;
  margin-left: 6px;
  border-radius: 20px;
  background: var(--gold);
  color: #1a1000;
  vertical-align: middle;
  animation: bump 0.4s ease-out;
}

.badge.bad {
  background: var(--bad);
  color: #fff;
}

#pauseBtn {
  position: absolute;
  right: 16px;
  bottom: 16px;
  pointer-events: auto;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(10, 6, 24, 0.6);
  font-family: var(--display);
  font-size: 14px;
}

/* ---------- Overlays ---------- */

.overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: radial-gradient(ellipse at center, rgba(5, 3, 11, 0.55), rgba(5, 3, 11, 0.9));
  overflow-y: auto;
}

.overlay.on {
  display: flex;
  animation: fadein 0.25s ease-out;
}

.panel {
  width: min(560px, 100%);
  margin: auto;
  padding: 26px 24px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid rgba(185, 140, 255, 0.35);
  box-shadow: 0 0 60px rgba(185, 140, 255, 0.18);
  text-align: center;
}

.panel.wide {
  width: min(760px, 100%);
}

.logo {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(44px, 12vw, 84px);
  line-height: 0.95;
  letter-spacing: 0.04em;
  background: linear-gradient(90deg, #ffd24a, #ff4fd8 45%, #4fe3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 18px rgba(255, 79, 216, 0.45));
}

.logo span {
  display: block;
  font-size: 0.55em;
  letter-spacing: 0.5em;
  margin-right: -0.5em;
}

.tag {
  font-size: 17px;
  margin: 14px 0;
}

.how {
  font-size: 14px;
  color: var(--dim);
  text-align: left;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
}

.how b {
  color: var(--fg);
}

.how p {
  margin: 8px 0 0;
}

.legend {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.keys-touch {
  display: none;
}

@media (pointer: coarse) {
  .keys-touch {
    display: block;
  }
  .keys-desk {
    display: none;
  }
}

.stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 16px 0 4px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.stats b {
  display: block;
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--fg);
}

.btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.12em;
  padding: 12px 22px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
  transition: transform 0.1s, box-shadow 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 18px rgba(185, 140, 255, 0.4);
}

.btn.primary {
  border: none;
  background: linear-gradient(90deg, #ff4fd8, #8a5cff);
  font-size: 20px;
  padding: 14px 40px;
  box-shadow: 0 0 26px rgba(255, 79, 216, 0.5);
  animation: glow 1.8s ease-in-out infinite;
}

.foot {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin-top: 18px;
}

.link {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: var(--dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}

h2 {
  font-family: var(--display);
  letter-spacing: 0.1em;
  margin: 0 0 6px;
}

.kicker {
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--hot);
}

.card .go {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--dim);
  animation: blink 1.2s ease-in-out infinite;
}

.intro {
  display: flex;
  gap: 18px;
  align-items: center;
  text-align: left;
  margin-top: 16px;
}

.intro h3 {
  font-family: var(--display);
  font-size: 26px;
  margin: 0;
  text-shadow: 0 0 14px currentColor;
}

.intro .meta {
  font-size: 13px;
  color: var(--dim);
}

.intro p {
  margin: 6px 0 0;
  font-size: 16px;
}

.glyph {
  flex: none;
  filter: drop-shadow(0 0 6px currentColor);
}

.big-score {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(46px, 12vw, 80px);
  line-height: 1.1;
  text-shadow: 0 0 24px var(--hot);
}

.best-badge {
  display: inline-block;
  font-family: var(--display);
  padding: 4px 14px;
  border-radius: 20px;
  background: var(--gold);
  color: #1a1000;
  animation: bump 0.6s ease-out infinite alternate;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
  max-height: 180px;
  overflow-y: auto;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 8px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.chip.new {
  border-color: var(--gold);
}

.progress {
  height: 8px;
  margin: 14px auto 0;
  max-width: 420px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.progress i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #ffd24a, #ff4fd8, #4fe3ff);
}

.sub-lbl {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--dim);
}

/* ---------- Book ---------- */

.book {
  text-align: left;
}

.book-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.tabs {
  display: flex;
  gap: 6px;
}

.tab {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: none;
  color: var(--dim);
}

.tab.on {
  color: var(--fg);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(185, 140, 255, 0.4);
}

.tri-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.tri-card {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.tri-card h4 {
  margin: 0;
  font-family: var(--display);
  font-size: 16px;
}

.tri-card p {
  margin: 3px 0 0;
  font-size: 12px;
  color: var(--dim);
}

.meter {
  height: 4px;
  margin-top: 6px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.1);
}

.meter i {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: currentColor;
}

.hex-grid {
  display: grid;
  grid-template-columns: 34px repeat(8, 1fr);
  gap: 4px;
  font-size: 10px;
}

.hex-grid .head {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-family: var(--display);
  font-size: 8px;
  letter-spacing: 0.05em;
}

.hex-grid .corner {
  font-size: 8px;
  color: var(--dim);
  line-height: 1.2;
}

.cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 2px 4px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--dim);
}

.cell.got {
  color: var(--fg);
  background: rgba(185, 140, 255, 0.1);
  border-color: rgba(185, 140, 255, 0.3);
}

.cell.sel {
  border-color: var(--gold);
  box-shadow: 0 0 10px rgba(255, 210, 74, 0.5);
}

.cell:not(.got) svg {
  opacity: 0.25;
}

.detail {
  display: flex;
  gap: 16px;
  align-items: center;
  min-height: 90px;
  margin-top: 12px;
  padding: 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.detail h4 {
  margin: 0;
  font-family: var(--display);
  font-size: 18px;
}

.detail p {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--dim);
}

.detail em {
  color: var(--fg);
}

/* ---------- Narrow screens ---------- */

@media (max-width: 640px) {
  #prompt {
    top: 64px;
    width: calc(100vw - 24px);
  }
  .hud-score,
  .hud-right {
    top: 8px;
  }
  .num {
    font-size: 24px;
  }
  .hud-right {
    display: grid;
    grid-template-columns: auto auto;
    gap: 0 12px;
    align-items: center;
  }
  #combo {
    font-size: 20px;
  }
  .hex-grid {
    grid-template-columns: 22px repeat(8, 1fr);
    gap: 2px;
  }
  .hex-grid .head span {
    display: none;
  }
  .cell span {
    display: none;
  }
  .trilabel {
    font-size: 12px;
  }
  .trilabel small {
    display: none;
  }
  .panel {
    padding: 20px 14px;
  }
}

/* ---------- Animations ---------- */

@keyframes fadein {
  from { opacity: 0; }
}

@keyframes bump {
  0% { transform: scale(1.5); }
  100% { transform: scale(1); }
}

@keyframes rise {
  0% { opacity: 0; transform: translate(-50%, -30%) scale(0.6); }
  15% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
  100% { opacity: 0; transform: translate(-50%, -180%) scale(1); }
}

@keyframes callout {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(2.2); letter-spacing: 0.4em; }
  18% { opacity: 1; transform: translate(-50%, -50%) scale(1); letter-spacing: 0.08em; }
  75% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -60%) scale(0.95); }
}

@keyframes glow {
  50% { box-shadow: 0 0 40px rgba(255, 79, 216, 0.85); }
}

@keyframes blink {
  50% { opacity: 0.35; }
}

@media (prefers-reduced-motion: reduce) {
  .btn.primary,
  .best-badge,
  .card .go {
    animation: none;
  }
}

.nogl {
  max-width: 420px;
  margin: 30vh auto 0;
  padding: 0 16px;
  text-align: center;
  color: var(--dim);
}