:root {
  --bg: #000000;
  --surface: #111111;
  --surface-2: #0b0b0b;
  --line: #2a2a2a;
  --line-soft: #1d1d1d;
  --text: #fafafa;
  --muted: #a1a1aa;
  --accent: #ffffff;
  --shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

body {
  color: var(--text);
  font-family: "Inter", "Geist", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 600px at 50% -220px, rgba(255, 255, 255, 0.08), transparent 60%),
    radial-gradient(800px 420px at 10% 0%, rgba(255, 255, 255, 0.04), transparent 60%),
    var(--bg);
}

.layout {
  position: relative;
  width: 100vw;
  height: 100vh;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 14px;
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease;
}

.modal.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-card {
  width: min(560px, calc(100vw - 20px));
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #121212, #0b0b0b);
  box-shadow: var(--shadow);
  padding: 16px;
  transform: translateY(8px) scale(0.985);
  transition: transform 220ms ease;
  position: relative;
  overflow: hidden;
}

.modal.open .modal-card {
  transform: translateY(0) scale(1);
}

.modal-card h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 680;
}

.modal-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.modal-card ul {
  margin: 0 0 14px;
  padding-left: 18px;
}

.modal-card li {
  margin: 0 0 8px;
}

#leaderboardList {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.podium-item {
  border: 1px solid #2c2c2c;
  border-radius: 10px;
  padding: 8px 10px;
  background: linear-gradient(180deg, #151515, #0f0f0f);
  display: grid;
  gap: 4px;
}

.podium-rank {
  font-size: 0.72rem;
  color: #d4d4d8;
  font-weight: 700;
}

.podium-text {
  font-size: 0.8rem;
  color: #f3f4f6;
}

.rank-1 {
  border-color: #5a4500;
  background: linear-gradient(180deg, #2a2208, #181308);
}

.rank-2 {
  border-color: #4c4c52;
  background: linear-gradient(180deg, #202126, #15161a);
}

.rank-3 {
  border-color: #5c3723;
  background: linear-gradient(180deg, #24160f, #170f0a);
}

.hud {
  position: fixed;
  z-index: 8;
  top: 10px;
  left: 10px;
  width: min(252px, calc(100vw - 20px));
  max-height: calc(100vh - 20px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(18, 18, 18, 0.96), rgba(8, 8, 8, 0.96));
  box-shadow: var(--shadow);
  padding: 9px;
}

.hud::-webkit-scrollbar {
  width: 7px;
}

.hud::-webkit-scrollbar-thumb {
  background: #2e2e2e;
  border-radius: 999px;
}

h1 {
  margin: 0;
  font-size: 1.32rem;
  letter-spacing: -0.025em;
  font-weight: 700;
}

p {
  margin: 5px 0 8px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

label {
  display: block;
  margin: 0 0 4px;
  color: #d1d5db;
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 620;
}

select {
  width: 100%;
  margin: 0 0 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 9px;
  color: #f5f5f5;
  background: #111111;
  font: inherit;
  font-size: 0.79rem;
  appearance: none;
}

select:focus-visible,
button:focus-visible,
input[type="color"]:focus-visible {
  outline: 2px solid #f3f4f6;
  outline-offset: 1px;
}

.customize-panel {
  margin: 6px 0 8px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0a0a0a;
}

.customize-title {
  margin: 0 0 6px;
  color: #d4d4d8;
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 650;
}

.player-color-row,
.player-frame-row,
.player-shape-row,
.obstacle-color-row,
.obstacle-frame-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 6px;
}

.player-color-row label,
.player-frame-row label,
.player-shape-row label,
.obstacle-color-row label,
.obstacle-frame-row label {
  margin: 0;
  font-size: 0.65rem;
  text-transform: none;
  letter-spacing: 0.01em;
  color: #cfcfd4;
}

.level3-custom-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

#playerColorPicker,
#playerFramePicker,
#obstacleColorPicker,
#obstacleFramePicker {
  width: 24px;
  min-width: 24px;
  height: 24px;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

#playerShapeSelect {
  width: 110px;
  margin: 0;
  padding: 5px 6px;
  font-size: 0.72rem;
  border-radius: 6px;
}

#playerColorPicker::-webkit-color-swatch-wrapper,
#playerFramePicker::-webkit-color-swatch-wrapper,
#obstacleColorPicker::-webkit-color-swatch-wrapper,
#obstacleFramePicker::-webkit-color-swatch-wrapper {
  padding: 1px;
}

#playerColorPicker::-webkit-color-swatch,
#playerFramePicker::-webkit-color-swatch,
#obstacleColorPicker::-webkit-color-swatch,
#obstacleFramePicker::-webkit-color-swatch {
  border: 0;
  border-radius: 2px;
}

.stats {
  display: grid;
  gap: 3px;
  margin: 0 0 8px;
  padding: 7px;
  border-radius: 10px;
  border: 1px solid var(--line-soft);
  background: #0c0c0c;
  font-size: 0.76rem;
}

strong {
  color: #ffffff;
  font-weight: 700;
}

.code-panel {
  margin: 0 0 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #060606;
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 0 8px;
  min-height: 34px;
  background: #040404;
}

.code-tabs {
  display: flex;
  gap: 10px;
}

.code-tab {
  color: #8a8a92;
  font-size: 0.7rem;
  font-family: "Inter", "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 34px;
  border-bottom: 2px solid transparent;
  padding: 0 2px;
}

.code-tab.active {
  color: #f2f2f2;
  border-bottom-color: #f2f2f2;
}

.code-title {
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #d4d4d8;
  background: #0f0f0f;
}

.code-log {
  margin: 0;
  padding: 8px 10px;
  min-height: 120px;
  max-height: 140px;
  overflow: auto;
  font-family: "Geist Mono", "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  line-height: 1.48;
  color: #e5e7eb;
  white-space: normal;
  word-break: normal;
}

.code-log::-webkit-scrollbar {
  width: 7px;
}

.code-log::-webkit-scrollbar-thumb {
  background: #2e2e2e;
  border-radius: 999px;
}

.code-line {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  min-height: 1.25em;
}

.code-ln {
  color: #6b7280;
  user-select: none;
  text-align: right;
}

.code-code {
  color: #e5e7eb;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.tok-key {
  color: #ff7ab8;
}

.tok-fn {
  color: #67e8f9;
}

.tok-prop {
  color: #60a5fa;
}

.tok-str {
  color: #4ade80;
}

.tok-num {
  color: #fbbf24;
}

.tok-comment {
  color: #6b7280;
}

button {
  width: 100%;
  margin: 0 0 5px;
  border: 1px solid #2f2f2f;
  border-radius: 8px;
  padding: 7px 9px;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 620;
  color: #f3f4f6;
  background: linear-gradient(180deg, #161616, #101010);
  cursor: pointer;
  transition: transform 90ms ease, border-color 90ms ease, background-color 90ms ease;
}

button:hover {
  border-color: #4a4a4a;
  background: linear-gradient(180deg, #1b1b1b, #121212);
}

button:active {
  transform: translateY(1px);
}

button:last-of-type {
  margin-bottom: 0;
}

.quick-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 6px;
}

.quick-row > button {
  margin: 0;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  border: 1px solid #2f2f2f;
  border-radius: 8px;
  padding: 7px 9px;
  font-size: 0.78rem;
  font-weight: 620;
  color: #f3f4f6;
  text-decoration: none;
  background: linear-gradient(180deg, #161616, #101010);
}

.link-btn:hover {
  border-color: #4a4a4a;
  background: linear-gradient(180deg, #1b1b1b, #121212);
}

#startBtn,
#continueBtn {
  background: linear-gradient(180deg, #f8f8f8, #e9e9e9);
  color: #080808;
  border-color: #dadada;
}

#pauseBtn {
  display: none;
}

.top-alert {
  position: fixed;
  z-index: 15;
  left: 50%;
  top: 10px;
  transform: translateX(-50%);
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.96);
  padding: 11px 18px;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
}

.top-alert.show {
  opacity: 1;
}

.side-score {
  position: fixed;
  z-index: 14;
  right: 10px;
  top: 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.95);
  padding: 7px 11px;
  font-size: 0.84rem;
  font-weight: 640;
  opacity: 0;
  pointer-events: none;
}

.side-score.show {
  opacity: 1;
}

.record-badge {
  position: fixed;
  z-index: 14;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%) scale(0.9);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: linear-gradient(130deg, #ff3a3a, #ffb347, #fff44f, #5dff8f, #46d4ff, #b769ff);
  color: #050505;
  padding: 8px 12px;
  font-size: 0.84rem;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.record-badge.show {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.celebrate-btn {
  position: fixed;
  z-index: 15;
  right: 10px;
  bottom: 10px;
  width: auto;
  margin: 0;
  padding: 8px 12px;
  border-radius: 999px;
}

.hud.compact {
  width: auto;
  min-width: 0;
  padding: 7px;
  border-radius: 10px;
}

.hud.compact h1,
.hud.compact p,
.hud.compact label,
.hud.compact select,
.hud.compact .stats,
.hud.compact .code-panel,
.hud.compact #leaderboardBtn,
.hud.compact .quick-row,
.hud.compact #startBtn,
.hud.compact #continueBtn,
.hud.compact .customize-panel,
.hud.compact .player-color-row,
.hud.compact .player-frame-row,
.hud.compact .player-shape-row,
.hud.compact .obstacle-color-row,
.hud.compact .obstacle-frame-row {
  display: none;
}

.hud.compact #pauseBtn {
  display: block;
  width: auto;
  margin: 0;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.8rem;
}

canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  border: 0;
  background: #040404;
  touch-action: manipulation;
}

.mobile-controls {
  position: fixed;
  z-index: 22;
  right: 12px;
  bottom: 14px;
  width: 176px;
  height: 176px;
  display: none;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  gap: 8px;
  pointer-events: auto;
}

.mc-btn {
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 10px;
  background: rgba(10, 10, 10, 0.72);
  color: #f8f8f8;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.mc-btn:active {
  transform: translateY(1px) scale(0.98);
}

.mc-btn.up { grid-column: 2; grid-row: 1; }
.mc-btn.left { grid-column: 1; grid-row: 2; }
.mc-btn.down { grid-column: 2; grid-row: 3; }
.mc-btn.right { grid-column: 3; grid-row: 2; }

@media (pointer: coarse) {
  .mobile-controls {
    display: grid;
  }
}

@media (max-width: 640px) {
  .hud {
    width: min(280px, calc(100vw - 16px));
    top: 8px;
    left: 8px;
    max-height: calc(100vh - 16px);
    padding: 8px;
  }

  .top-alert {
    top: 8px;
    font-size: 1.1rem;
    padding: 10px 14px;
  }
}