/* ==========================================================================
   THOCK — layout, theme tokens, HUD, and overlay panels.
   Canvas colors are read from these custom properties by src/render/renderer.js,
   so a theme is purely a token swap.
   ========================================================================== */

:root,
[data-theme="synthwave"] {
  --bg: #0a0416;
  --bg-2: #150a2b;
  --grid: #6f2ea8;
  --horizon: rgba(255, 63, 164, 0.35);
  --kill-line: #ff2e88;
  --danger: #ff3b5c;
  --danger-veil: rgba(255, 40, 80, 0.42);
  --typed: #7cf6ff;
  --muted: #6b6486;
  --text: #f2ecff;
  --text-dim: #a79ec4;
  --accent: #ff2e88;
  --accent-2: #7cf6ff;
  --panel: rgba(16, 8, 34, 0.9);
  --panel-border: rgba(124, 246, 255, 0.22);

  --w-normal: #d9c8ff;
  --w-gold: #ffd23f;
  --w-freeze: #6ee7ff;
  --w-bomb: #ff4d4d;
  --w-slowmo: #c084fc;
  --w-shield: #4ade80;
  --w-boss: #ff7ac6;
}

[data-theme="midnight"] {
  --bg: #04070f;
  --bg-2: #0a1120;
  --grid: #1d3a63;
  --horizon: rgba(56, 189, 248, 0.28);
  --kill-line: #38bdf8;
  --danger: #f87171;
  --danger-veil: rgba(248, 113, 113, 0.36);
  --typed: #4ade80;
  --muted: #475569;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #4ade80;
  --panel: rgba(6, 12, 24, 0.92);
  --panel-border: rgba(56, 189, 248, 0.2);

  --w-normal: #cbd5e1;
  --w-gold: #fbbf24;
  --w-freeze: #67e8f9;
  --w-bomb: #fb7185;
  --w-slowmo: #a78bfa;
  --w-shield: #34d399;
  --w-boss: #f472b6;
}

/* Deuteranopia/protanopia-safe: relies on blue/orange/yellow contrast,
   never on red-vs-green. Always selectable, never locked. */
[data-theme="clarity"] {
  --bg: #07080d;
  --bg-2: #101423;
  --grid: #2b3a55;
  --horizon: rgba(255, 176, 0, 0.22);
  --kill-line: #ffb000;
  --danger: #ff8c1a;
  --danger-veil: rgba(255, 140, 26, 0.34);
  --typed: #56b4ff;
  --muted: #5b6478;
  --text: #f4f6fb;
  --text-dim: #9aa3b8;
  --accent: #ffb000;
  --accent-2: #56b4ff;
  --panel: rgba(10, 13, 22, 0.93);
  --panel-border: rgba(86, 180, 255, 0.24);

  --w-normal: #e8ecf5;
  --w-gold: #ffd400;
  --w-freeze: #56b4ff;
  --w-bomb: #ff8c1a;
  --w-slowmo: #b39ddb;
  --w-shield: #00d0c0;
  --w-boss: #ff6fb0;
}

* { box-sizing: border-box; }

/* Layout rules below set `display`, which would otherwise beat the UA
   stylesheet's [hidden] { display: none } and leak the Blitz timer into
   Classic runs. */
[hidden] { display: none !important; }

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* ============================== HUD ============================== */

.hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  transition: opacity .25s ease;
}
/* Words spawn above the viewport and fall through this band, so the HUD
   needs its own ground to stay readable. */
.hud::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, .72), transparent);
  pointer-events: none;
  z-index: -1;
}
body[data-screen="playing"] .hud,
body[data-screen="paused"] .hud { opacity: 1; }

.hud-left, .hud-right {
  display: flex;
  gap: 22px;
  align-items: flex-start;
}
.hud-right { pointer-events: auto; }

.stat { display: flex; flex-direction: column; gap: 2px; min-width: 52px; }
.stat label {
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--text-dim);
}
.stat output {
  font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stat-score output {
  font-size: 30px;
  letter-spacing: -.02em;
  color: var(--accent-2);
  text-shadow: 0 0 10px color-mix(in srgb, var(--accent-2) 45%, transparent);
}
#hud-timer.urgent { color: var(--danger); }

.life { color: var(--accent); font-size: 18px; margin-right: 2px; }
.life-lost { color: var(--muted); opacity: .45; }

.hud-center { flex: 1; display: flex; justify-content: center; }
.combo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  min-width: 170px;
}
#hud-combo {
  font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
  text-shadow: 0 0 18px color-mix(in srgb, var(--accent) 70%, transparent);
}
#hud-combo[data-tier="3"], #hud-combo[data-tier="4"] { color: var(--w-gold); }
#hud-combo-label {
  font-size: 10px;
  letter-spacing: .28em;
  color: var(--text-dim);
  height: 12px;
}
.combo-bar {
  width: 160px; height: 3px;
  background: rgba(255, 255, 255, .1);
  border-radius: 2px;
  overflow: hidden;
}
.combo-bar i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: width .18s ease;
}

.icon-btn {
  pointer-events: auto;
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  border-radius: 6px;
  width: 34px; height: 34px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  letter-spacing: 1px;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent-2); }

/* Active power-up readouts, bottom-left of the play field. */
.effects {
  position: fixed;
  left: 20px; bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 5;
  pointer-events: none;
}
.effect {
  min-width: 128px;
  padding: 5px 9px;
  border: 1px solid currentColor;
  border-radius: 5px;
  font-size: 11px;
  letter-spacing: .14em;
  background: rgba(0, 0, 0, .45);
  position: relative;
  overflow: hidden;
}
.effect span { position: relative; z-index: 1; }
.effect i {
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  background: currentColor;
  transition: width .1s linear;
}
.effect-freeze { color: var(--w-freeze); }
.effect-slowmo { color: var(--w-slowmo); }
.effect-shield { color: var(--w-shield); }

.banner {
  position: fixed;
  top: 24%; left: 50%;
  transform: translate(-50%, -50%) scale(.85);
  font-family: Orbitron, monospace;
  font-size: clamp(24px, 5vw, 44px);
  font-weight: 900;
  letter-spacing: .1em;
  opacity: 0;
  pointer-events: none;
  z-index: 6;
  white-space: nowrap;
}
.banner[data-tone="good"] { color: var(--accent-2); text-shadow: 0 0 24px var(--accent-2); }
.banner[data-tone="bad"]  { color: var(--danger);   text-shadow: 0 0 24px var(--danger); }
.banner[data-tone="info"] { color: var(--text);     text-shadow: 0 0 20px var(--accent); }

.debug {
  position: fixed;
  right: 12px; bottom: 12px;
  font-size: 11px;
  line-height: 1.6;
  color: var(--text-dim);
  background: rgba(0, 0, 0, .6);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 8px 10px;
  z-index: 7;
  white-space: pre;
  pointer-events: none;
}

.capslock {
  position: fixed;
  bottom: 22px; left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--w-gold);
  border: 1px solid var(--w-gold);
  border-radius: 4px;
  padding: 5px 12px;
  background: rgba(0, 0, 0, .55);
  z-index: 7;
}

/* ============================ OVERLAYS ============================ */

.overlays {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 10;
  pointer-events: none;
  padding: 20px;
}
body[data-screen="playing"] .overlays { display: none; }

.panel {
  pointer-events: auto;
  width: min(680px, 100%);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  padding: 30px 34px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .6), 0 0 0 1px rgba(255, 255, 255, .03) inset;
}
.panel-compact { width: min(420px, 100%); text-align: center; }
.panel-over { width: min(760px, 100%); }

.panel h2 {
  font-family: Orbitron, monospace;
  font-size: 22px;
  letter-spacing: .22em;
  margin: 0 0 22px;
  color: var(--accent-2);
}
.panel h3 {
  font-family: Orbitron, monospace;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--text-dim);
  margin: 22px 0 10px;
}

.logo {
  font-family: Orbitron, monospace;
  font-size: clamp(40px, 9vw, 72px);
  font-weight: 900;
  letter-spacing: .14em;
  margin: 0;
  line-height: 1;
  color: var(--accent-2);
  text-shadow: 0 0 30px color-mix(in srgb, var(--accent-2) 55%, transparent);
}
/* One-word wordmark, so the neon gradient runs across the whole thing.
   drop-shadow (not text-shadow) so the glow still follows the glyphs once the
   fill is a clipped background. Guarded: without background-clip support the
   rule above stands and the logo stays solid rather than invisible. */
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .logo {
    background: linear-gradient(100deg, var(--accent-2) 10%, var(--accent) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
    filter: drop-shadow(0 0 18px color-mix(in srgb, var(--accent) 42%, transparent));
  }
}
.tagline {
  margin: 10px 0 24px;
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: .04em;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}
.mode-card {
  text-align: left;
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--panel-border);
  border-radius: 9px;
  padding: 12px 13px;
  cursor: pointer;
  color: var(--text-dim);
  font-family: inherit;
  transition: border-color .15s, background .15s, color .15s, transform .12s;
}
.mode-card:hover { transform: translateY(-2px); color: var(--text); }
.mode-card strong {
  display: block;
  font-family: Orbitron, monospace;
  font-size: 13px;
  letter-spacing: .12em;
  margin-bottom: 5px;
  color: inherit;
}
.mode-card small { font-size: 11px; line-height: 1.45; display: block; opacity: .85; }
.mode-card[aria-checked="true"] {
  border-color: var(--accent-2);
  background: color-mix(in srgb, var(--accent-2) 10%, transparent);
  color: var(--text);
}
.mode-card[aria-checked="true"] strong { color: var(--accent-2); }

.speed-row {
  display: grid;
  grid-template-columns: auto 1fr 42px;
  align-items: center;
  gap: 14px;
  margin-bottom: 6px;
}
.speed-row label {
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--text-dim);
}
.speed-row output {
  font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 20px;
  text-align: right;
  color: var(--accent);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--bg);
  cursor: pointer;
  box-shadow: 0 0 12px var(--accent);
}
input[type="range"]::-moz-range-thumb {
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--bg);
  cursor: pointer;
}

.hint {
  font-size: 11.5px;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 6px 0 0;
}
.footnote {
  margin: 20px 0 0;
  font-size: 11px;
  color: var(--muted);
  text-align: center;
}
kbd {
  font-family: inherit;
  font-size: 10px;
  border: 1px solid var(--panel-border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text-dim);
}

.menu-actions, .panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.panel-compact .panel-actions { justify-content: center; }

.btn {
  font-family: Orbitron, "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, .04);
  color: var(--text);
  cursor: pointer;
  transition: transform .12s, border-color .15s, background .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent-2); }
.btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0416;
  border-color: transparent;
  box-shadow: 0 8px 26px color-mix(in srgb, var(--accent) 35%, transparent);
}
.btn-ghost { background: transparent; color: var(--text-dim); }
.btn-small { padding: 8px 14px; font-size: 10px; }

/* ---------------------------- settings ---------------------------- */

.setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.setting strong { display: block; font-size: 13px; margin-bottom: 3px; }
.setting small { font-size: 11px; color: var(--text-dim); line-height: 1.5; display: block; }

.seg {
  display: inline-flex;
  border: 1px solid var(--panel-border);
  border-radius: 7px;
  overflow: hidden;
  flex-shrink: 0;
}
.seg-wide { display: flex; margin-bottom: 16px; }
.seg-wide button { flex: 1; }
.seg button {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: .1em;
  padding: 9px 15px;
  cursor: pointer;
  white-space: nowrap;
}
.seg button:hover { color: var(--text); }
.seg button[aria-checked="true"],
.seg button[aria-selected="true"] {
  background: var(--accent-2);
  color: #0a0416;
  font-weight: 700;
}

.volume-row { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.volume-row input[type="range"] { width: 120px; }

.initials-input {
  width: 88px;
  padding: 9px 12px;
  font-family: Orbitron, monospace;
  font-size: 16px;
  letter-spacing: .22em;
  text-transform: uppercase;
  text-align: center;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--panel-border);
  border-radius: 7px;
  color: var(--text);
}
.initials-input:focus { outline: none; border-color: var(--accent-2); }

/* --------------------------- leaderboard --------------------------- */

.board-wrap { min-height: 220px; }
.board {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.board th {
  text-align: left;
  font-size: 9.5px;
  letter-spacing: .18em;
  color: var(--text-dim);
  font-weight: 400;
  padding: 0 8px 9px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.board td {
  padding: 9px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
  font-variant-numeric: tabular-nums;
}
.board tr.you td { color: var(--accent-2); }
.board td:nth-child(1) { color: var(--muted); width: 34px; }
.board td:nth-child(2) { font-family: Orbitron, monospace; letter-spacing: .1em; }
.board td:nth-child(3) { font-weight: 700; }
.board td:last-child { color: var(--text-dim); font-size: 11px; }
.empty-note { color: var(--muted); font-size: 12px; text-align: center; padding: 40px 0; }

/* ----------------------------- help ----------------------------- */

.help-list, .power-list { list-style: none; padding: 0; margin: 0; }
.help-list li {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-dim);
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}
.help-list strong { color: var(--text); }
.power-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: var(--text-dim);
  padding: 7px 0;
}
.power-list strong { color: var(--text); }
.pu {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 6px;
  font-style: normal;
  font-size: 14px;
  border: 1px solid currentColor;
  flex-shrink: 0;
}
.pu-freeze { color: var(--w-freeze); }
.pu-slowmo { color: var(--w-slowmo); }
.pu-shield { color: var(--w-shield); }
.pu-bomb   { color: var(--w-bomb); }
.pu-gold   { color: var(--w-gold); }

/* --------------------------- game over --------------------------- */

.over-sub { margin: -14px 0 22px; font-size: 12px; color: var(--text-dim); }
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}
.result {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 9px;
  padding: 13px;
}
.result label {
  display: block;
  font-size: 9.5px;
  letter-spacing: .18em;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.result output {
  font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 24px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.result-hero {
  grid-column: span 2;
  border-color: var(--accent-2);
  background: color-mix(in srgb, var(--accent-2) 8%, transparent);
}
.result-hero output {
  font-size: 40px;
  letter-spacing: -.02em;
  color: var(--accent-2);
  text-shadow: 0 0 16px color-mix(in srgb, var(--accent-2) 40%, transparent);
}

.heatmap { display: flex; flex-direction: column; gap: 4px; align-items: center; }
.heat-row { display: flex; gap: 4px; }
.heat-key {
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  font-size: 11px;
  border: 1px solid rgba(255, 255, 255, .1);
  background: rgba(255, 255, 255, .03);
  color: var(--muted);
}
.heat-none { opacity: .35; }

.save-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .07);
  flex-wrap: wrap;
}
.save-row label { font-size: 10px; letter-spacing: .18em; color: var(--text-dim); }
.save-note { font-size: 11px; color: var(--accent-2); }

.pause-stats {
  display: flex;
  justify-content: center;
  gap: 26px;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.pause-stats b {
  display: block;
  font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 20px;
  color: var(--text);
  margin-bottom: 2px;
}

/* ---------------------------- support ---------------------------- */

/* Deliberately quiet: it sits below the actions and never competes with PLAY
   or PLAY AGAIN for attention. */
.support-slot {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}
.panel-menu .support-slot { margin-top: 10px; }

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--text-dim);
  text-decoration: none;
  background: rgba(255, 255, 255, .02);
  transition: color .15s, border-color .15s, background .15s, transform .12s;
}
.support-link:hover {
  color: var(--w-gold);
  border-color: color-mix(in srgb, var(--w-gold) 45%, transparent);
  background: color-mix(in srgb, var(--w-gold) 8%, transparent);
  transform: translateY(-1px);
}
.support-link:focus-visible {
  outline: 2px solid var(--w-gold);
  outline-offset: 2px;
}
.support-icon { font-size: 14px; line-height: 1; }

/* ----------------------------- touch ----------------------------- */

.touch-note {
  position: fixed;
  left: 50%; bottom: 18px;
  transform: translateX(-50%);
  z-index: 12;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text-dim);
  max-width: 320px;
}
.touch-note p { margin: 0 0 8px; line-height: 1.5; }
.touch-input {
  position: fixed;
  opacity: 0;
  pointer-events: none;
  width: 1px; height: 1px;
  left: -100px;
}

@media (max-width: 640px) {
  .panel { padding: 22px 18px; }
  .hud { padding: 10px 12px; gap: 8px; }
  .hud-left, .hud-right { gap: 12px; }
  .stat-score output { font-size: 22px; }
  .stat output { font-size: 16px; }
  .combo-bar { width: 110px; }
  .result-hero { grid-column: span 2; }
}