/* LavaType Racer - styles.css
   Responsive, accessible, animated 2.5D race visuals with on-screen keyboard.
   Uses CSS variables for theming and high-contrast support.
*/

:root {
  --bg: #0c0d10;
  --bg-soft: #11131a;
  --panel: #171923;
  --panel-2: #1d2030;
  --text: #e9ecf1;
  --muted: #9aa3b2;
  --primary: #7cf8a9;
  --primary-strong: #4ee385;
  --accent: #ff9d5c;
  --danger: #ff5a7a;
  --warning: #ffd166;
  --ok: #4ede9c;
  --shadow: rgba(0,0,0,0.25);
  --ring: rgba(124, 248, 169, 0.35);
  --tile: #2b2f40;
  --tile-line: rgba(255,255,255,0.06);
  --finish: #ffffff;

  --radius: 16px;
  --radius-lg: 24px;
  --gap: 14px;
  --blur: 24px;

  --font-size: 16px;
  --font-scale: 1.0;

  --kb-key: #202334;
  --kb-key-text: #e3e7f2;
  --kb-key-active: #33395a;

  --btn-bg: #23263a;
  --btn-bg-hover: #2a2e45;

  --focus: 0 0 0 3px var(--ring);
}

/* Light theme */
[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-soft: #f0f2f7;
  --panel: #ffffff;
  --panel-2: #ffffff;
  --text: #1b1e27;
  --muted: #667084;
  --primary: #0db981;
  --primary-strong: #079a6c;
  --accent: #f37335;
  --kb-key: #e9edf7;
  --kb-key-text: #1b1f2a;
  --kb-key-active: #d6dcec;
  --btn-bg: #e9edf7;
  --btn-bg-hover: #dfe5f4;
  --tile: #e6ebf7;
  --tile-line: rgba(0, 0, 0, 0.06);
  --shadow: rgba(0,0,0,0.12);
  --ring: rgba(13, 185, 129, 0.35);
}

/* High contrast enhancer */
[data-contrast="high"] {
  --ring: rgba(255,255,0,0.5);
  --muted: #505768;
}

/* Large font size */
[data-font="large"] {
  --font-scale: 1.15;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: calc(var(--font-size) * var(--font-scale));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; }
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 10px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -1000px;
  left: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 10000;
}
.skip-link:focus { top: 10px; }

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(12px, 3vw, 28px);
  background: linear-gradient(180deg, rgba(0,0,0,0.35), transparent);
  position: sticky;
  top: 0;
  backdrop-filter: saturate(1.2) blur(8px);
  z-index: 50;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: conic-gradient(from 210deg, #fd5a43, #fd5d29, #ffb43f, #fd5a43);
  box-shadow: 0 6px 20px rgba(253, 90, 67, 0.4), inset 0 0 10px rgba(255,255,255,0.2);
}
.brand-title { margin: 0; font-size: 1.1rem; letter-spacing: 0.2px; }

.header-controls { display: flex; gap: 8px; align-items: center; }

/* Buttons */
.icon-btn, .pill-btn, .cta-btn, .ghost-btn {
  cursor: pointer; border: none; color: var(--text);
}
.icon-btn {
  width: 40px; height: 40px; border-radius: 999px; background: var(--btn-bg);
  display: grid; place-items: center;
}
.icon-btn:active { transform: translateY(1px); }
.pill-btn {
  background: var(--btn-bg); padding: 10px 14px; border-radius: 999px;
}
.pill-btn:hover { background: var(--btn-bg-hover); }
.cta-btn {
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  padding: 12px 18px; border-radius: 12px; font-weight: 650; color: #0b1413;
}
.ghost-btn {
  background: transparent; border: 1px solid var(--tile-line);
  padding: 10px 14px; border-radius: 12px; color: var(--text);
}
.row { display: flex; gap: 10px; flex-wrap: wrap; }

/* Icons (simple CSS shapes) */
.i { display: inline-block; width: 18px; height: 18px; }
.i-sun { background: radial-gradient(circle at center, #ffd166 50%, transparent 51%), conic-gradient(#ffd166, #ffa24f); border-radius: 50%; }
.i-contrast { background: conic-gradient(#fff 0 180deg, #000 180deg), radial-gradient(circle at center, #888 1px, transparent 0); border-radius: 50%; }
.i-font { background: linear-gradient(180deg, #fff 0 40%, #5af2ad 41% 100%); clip-path: polygon(15% 90%, 50% 10%, 85% 90%, 70% 90%, 50% 50%, 30% 90%); }
.i-sound { background: linear-gradient(90deg, #5af2ad, #7cf8a9); clip-path: polygon(0 30%, 30% 30%, 60% 0, 60% 100%, 30% 70%, 0 70%); }
.i-close { position: relative; }
.i-close::before, .i-close::after {
  content:""; position: absolute; inset: 0; background: currentColor; width: 2px; height: 18px; left: 8px; top: 0; border-radius: 2px;
}
.i-close::before { transform: rotate(45deg); }
.i-close::after { transform: rotate(-45deg); }

/* Layout */
.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px clamp(12px, 3vw, 28px) 24px;
}

/* Cards */
.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: 0 10px 30px var(--shadow), inset 0 0 0 1px var(--tile-line);
}
.card-title { margin-top: 0; margin-bottom: 8px; font-size: 1.2rem; }
.small-title { margin: 8px 0; font-size: 0.95rem; color: var(--muted); }
.muted { color: var(--muted); margin: 8px 0; }

/* Lobby */
.lobby-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 16px;
}
@media (max-width: 920px) {
  .lobby-grid { grid-template-columns: 1fr; }
}
.lobby-card .form-row { margin-bottom: 12px; }
.form-row label { display: block; margin-bottom: 6px; color: var(--muted); }
.form-row input[type="text"],
.form-row select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--tile-line);
  color: var(--text);
}
.range-value { color: var(--muted); font-size: 0.9rem; margin-top: 6px; }

.bot-list {
  display: grid; gap: 10px;
}
.bot-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px; align-items: center;
  padding: 10px; border-radius: 14px;
  background: var(--bg-soft); border: 1px dashed var(--tile-line);
}
.bot-dot { width: 12px; height: 12px; border-radius: 50%; box-shadow: 0 0 0 2px var(--panel); }
.bot-name { font-weight: 600; }
.bot-row select {
  background: var(--panel); border-radius: 10px; padding: 6px 10px; color: var(--text); border: 1px solid var(--tile-line);
}

.preview-card .preview-track {
  position: relative;
  height: 180px; border-radius: 16px; overflow: hidden;
  background: radial-gradient(100% 100% at 50% 100%, rgba(255,255,255,0.04), transparent);
}
.preview-lava { position: absolute; inset: 0; background: var(--lava, none); }
.preview-lanes { position: absolute; inset: 0; transform: perspective(900px) rotateX(26deg) translateY(10%); }
.preview-lane {
  position: absolute; left: 6%; right: 6%; height: 24%; background: repeating-linear-gradient(90deg, var(--tile), var(--tile) 40px, var(--tile-line) 42px);
  border-radius: 14px; box-shadow: inset 0 6px 16px rgba(0,0,0,0.3);
}
.preview-lane:nth-child(1){ top: 8%; }
.preview-lane:nth-child(2){ top: 38%; }
.preview-lane:nth-child(3){ top: 68%; }
.preview-avatar {
  position: absolute; width: 20px; height: 20px; border-radius: 50%;
  box-shadow: 0 6px 12px rgba(0,0,0,0.3), inset 0 0 0 2px rgba(255,255,255,0.15);
  transform: translateX(0);
  top: 35%;
  transition: transform .6s ease;
}
.preview-avatar.a1 { background: #7cf8a9; top: 20%; left: 12%; }
.preview-avatar.a2 { background: #ffd166; top: 50%; left: 8%; }
.preview-avatar.a3 { background: #ff5a7a; top: 80%; left: 6%; }
.preview-finish { position: absolute; right: 6%; top: 0; bottom: 0; width: 6px; background: repeating-linear-gradient(180deg, #fff, #fff 6px, #000 6px, #000 12px); filter: drop-shadow(0 0 6px rgba(255,255,255,0.6)); }

/* Screens */
.screen { margin-top: 10px; }
.screen[hidden] { display: none !important; }
.screen-active { display: block; }

/* HUD */
.hud {
  display: grid; grid-template-columns: repeat(5, minmax(0,auto)) 1fr; gap: 8px; align-items: center; margin-bottom: 12px;
}
.hud-item { background: var(--panel); padding: 10px 12px; border-radius: 12px; box-shadow: inset 0 0 0 1px var(--tile-line); min-width: 80px; }
.hud-label { display: block; font-size: .75rem; color: var(--muted); }
.hud-value { font-size: 1.1rem; font-weight: 700; }
.hud-actions { display: flex; gap: 8px; justify-content: flex-end; align-items: center; }
.minimap .mini-track { height: 28px; background: linear-gradient(180deg, var(--bg-soft), var(--panel)); border-radius: 10px; position: relative; overflow: hidden; }


/* Track area */
.track-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow);
  border: 1px solid var(--tile-line);
}
.lava-bg {
  --lava-1: #f76d1d;
  --lava-2: #ff2e00;
  --lava-3: #f9b74a;
  position: absolute; inset: 0;
  background: radial-gradient(120% 120% at 10% 30%, rgba(255,255,255,0.06) 0%, transparent 30%),
              radial-gradient(50% 80% at 80% 20%, rgba(255,255,255,0.03) 0%, transparent 40%),
              conic-gradient(from 0deg at 50% 60%, var(--lava-1), var(--lava-2), var(--lava-3), var(--lava-1));
  filter: saturate(1.2) brightness(0.9);
  animation: lavaFlow 22s linear infinite;
}
@keyframes lavaFlow {
  0% { transform: translate3d(0,0,0) rotate(0deg) scale(1.1); filter: hue-rotate(0deg); }
  50% { transform: translate3d(0,2%,0) rotate(180deg) scale(1.12); filter: hue-rotate(-12deg); }
  100% { transform: translate3d(0,0,0) rotate(360deg) scale(1.1); filter: hue-rotate(0deg); }
}
.track-3d {
  position: relative; z-index: 1;
  padding: 46px 12px 52px 12px;
  transform: perspective(950px) rotateX(24deg);
  background: radial-gradient(100% 50% at 50% 100%, rgba(0,0,0,0.35), rgba(0,0,0,0));
}
.lane {
  position: relative;
  height: 70px;
  margin: 14px 0;
  border-radius: 16px;
  background: repeating-linear-gradient(90deg, var(--tile) 0 56px, var(--tile-line) 56px 58px);
  box-shadow: inset 0 10px 24px rgba(0,0,0,0.35), inset 0 0 0 1px var(--tile-line);
  overflow: hidden;
}
.lane-label {
  position: absolute; left: 10px; top: 6px; font-size: .75rem; color: var(--muted);
  contain: paint;
}
.avatar {
  --color: #7cf8a9;
  position: absolute; top: 14px; left: 12px;
  width: 32px; height: 32px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff 8%, var(--color) 18%, color-mix(in oklab, var(--color) 70%, #000 30%) 80%);
  box-shadow: 0 12px 20px rgba(0,0,0,0.35), inset 0 0 0 2px rgba(255,255,255,0.15);
  transform: translateX(0) translateY(0);
  transition: transform 140ms cubic-bezier(.2,.8,.2,1);
}
.avatar::after {
  content:""; position: absolute; inset: 0; border-radius: 50%;
  box-shadow: inset 0 -4px 12px rgba(0,0,0,0.3);
}
.avatar .eyes {
  position: absolute; top: 12px; left: 7px; width: 18px; height: 6px;
  display: flex; justify-content: space-between;
}
.eye { width: 5px; height: 5px; background: #000; border-radius: 50%; box-shadow: 0 0 0 2px rgba(255,255,255,0.2) inset; }
.flag {
  position: absolute; top: 0; bottom: 0; right: 10px; width: 6px;
  background: repeating-linear-gradient(180deg, var(--finish), var(--finish) 8px, #000 8px, #000 16px);
  filter: drop-shadow(0 0 6px rgba(255,255,255,0.6));
}

/* Finishing effects */
.finish-banner { pointer-events: none; position: absolute; inset: 0; z-index: 2; }
.finish-line {
  position: absolute; right: 22px; top: 18px; bottom: 18px; width: 8px;
  background: repeating-linear-gradient(180deg, #fff, #fff 8px, #000 8px, #000 16px);
  border-radius: 6px;
}
.finish-glow {
  position: absolute; right: 18px; top: 18px; bottom: 18px; width: 14px;
  background: radial-gradient(closest-side, rgba(255,255,255,.65), transparent);
  filter: blur(6px); animation: shimmer 1.8s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { opacity: .8; }
  50% { opacity: .35; }
}

/* Typing */
.typing-wrap {
  margin-top: 14px; background: var(--panel); border-radius: 16px; padding: 14px; box-shadow: inset 0 0 0 1px var(--tile-line);
}
.sentence {
  font-family: var(--font-sans);
  font-size: clamp(18px, 3.2vw, 22px);
  line-height: 1.6;
  letter-spacing: .2px;
  background: linear-gradient(180deg, var(--panel), transparent);
  padding: 12px; border-radius: 12px;
  overflow-wrap: anywhere;
}
.sentence-compact { font-size: clamp(14px, 2.5vw, 18px); }
.char { position: relative; padding: 2px 1px; }
.char.correct { color: var(--ok); }
.char.wrong { color: #fff; background: linear-gradient(180deg, rgba(255,90,122,.35), rgba(255,90,122,.15)); border-radius: 4px; }
.caret {
  position: relative;
}
.caret::after {
  content:""; position: absolute; left: 0; bottom: -2px; width: 2px; height: 1.2em; background: var(--accent);
  animation: blink 1.1s step-start infinite;
  transform: translateX(-1px);
}
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

.hidden-input {
  position: absolute; opacity: 0; pointer-events: none; height: 0; width: 0;
}

/* On-screen keyboard */
.kb-toolbar { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.keyboard {
  margin-top: 8px; padding: 10px; border-radius: 16px; background: var(--panel); box-shadow: inset 0 0 0 1px var(--tile-line);
  user-select: none;
}
.kb-row { display: flex; gap: 8px; margin: 6px 0; justify-content: center; }
.key {
  background: var(--kb-key); color: var(--kb-key-text);
  padding: 12px 12px; min-width: 36px; border-radius: 12px; text-align: center; box-shadow: inset 0 0 0 1px var(--tile-line); cursor: pointer;
}
.key:active, .key.active { background: var(--kb-key-active); transform: translateY(1px); }
.key.wide { min-width: 96px; }
.key.space { min-width: 40vw; }

/* Countdown */
.countdown {
  position: fixed; inset: 0; display: grid; place-items: center; pointer-events: none; z-index: 60;
  font-weight: 900; font-size: clamp(40px, 10vw, 120px); mix-blend-mode: screen; color: #fff;
  text-shadow: 0 12px 40px rgba(0,0,0,.4);
}
.countdown .bubble {
  padding: .2em .4em; border-radius: 24px; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.75), rgba(255,255,255,0.35));
  box-shadow: 0 10px 40px rgba(0,0,0,.35), inset 0 0 0 2px rgba(255,255,255,.2);
  transform: scale(0.8);
  animation: pop .6s ease forwards;
}
@keyframes pop { to { transform: scale(1.0); } }

/* Results */
.results-card .results-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
@media (max-width: 900px) {
  .results-card .results-grid { grid-template-columns: 1fr; }
}
.results-primary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.result-stat {
  background: var(--bg-soft); border-radius: 12px; padding: 12px; text-align: center; box-shadow: inset 0 0 0 1px var(--tile-line);
}
.stat-label { display: block; color: var(--muted); font-size: .85rem; margin-bottom: 4px; }
.stat-value { font-size: 1.4rem; font-weight: 800; }

.res-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.res-item { display: grid; grid-template-columns: auto 1fr auto auto; gap: 8px; align-items: center; background: var(--bg-soft); padding: 10px; border-radius: 12px; box-shadow: inset 0 0 0 1px var(--tile-line); }
.badge { font-size: .8rem; background: var(--panel); padding: 4px 8px; border-radius: 999px; }

.bullets { margin: 0; padding-left: 18px; }
.bullets li { margin: 6px 0; }

/* Mini track dots */
.mini-track { border: 1px solid var(--tile-line); }
.mini-dot {
  position: absolute; top: 5px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 2px solid rgba(0,0,0,0.25);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.mini-dot.me { background: var(--primary); border-color: rgba(0,0,0,0.15); }

/* Modals */
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 100; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(2px); }
.modal-content {
  position: absolute; inset: auto 0 0 0; margin: auto; top: 10%; max-width: 720px;
  background: var(--panel); border-radius: 16px; padding: 10px; box-shadow: 0 20px 60px var(--shadow);
}
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; }
.modal-body { padding: 8px 10px 16px; }
.modal-footer { padding: 8px 10px 12px; display: flex; justify-content: flex-end; }

/* Footer */
.app-footer {
  max-width: 1200px; margin: 24px auto; padding: 0 20px; text-align: right; color: var(--muted);
}

/* Responsive */
@media (max-width: 780px) {
  .hud { grid-template-columns: repeat(3, 1fr); grid-auto-rows: auto; }
  .hud-actions { grid-column: 1 / -1; justify-content: center; }
  .lane { height: 64px; }
  .avatar { width: 28px; height: 28px; }
  .key.space { min-width: 60vw; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
}

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