:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-light: #334155;
  --accent: #facc15;
  --accent-dark: #b45309;
  --text: #f8fafc;
  --text-dim: #94a3b8;
  --danger: #ef4444;
  --success: #22c55e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.screen {
  display: none;
  min-height: 100vh;
  flex-direction: column;
}
.screen.active { display: flex; }

/* ---------- Menu ---------- */
#screen-menu {
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  text-align: center;
}

.title {
  font-size: clamp(2.2rem, 8vw, 3.5rem);
  margin: 0 0 4px;
  letter-spacing: 1px;
}
.title .stripe {
  background: repeating-linear-gradient(45deg, #facc15, #facc15 10px, #111827 10px, #111827 20px);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.subtitle {
  color: var(--text-dim);
  margin: 0 0 32px;
  font-size: 1rem;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  width: 100%;
  max-width: 760px;
}

.level-card {
  background: var(--panel);
  border: 2px solid var(--panel-light);
  border-radius: 14px;
  padding: 20px;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  transition: transform 0.15s ease, border-color 0.15s ease;
  font: inherit;
}
.level-card:hover, .level-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.level-card h3 { margin: 0 0 6px; font-size: 1.2rem; }
.level-card p { margin: 0 0 12px; color: var(--text-dim); font-size: 0.9rem; }
.level-card .best {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

.menu-actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
}

button {
  cursor: pointer;
  font: inherit;
}

.btn {
  background: var(--accent);
  color: #111827;
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  font-weight: 700;
  font-size: 0.95rem;
}
.btn:hover { background: #fde047; }
.btn.secondary {
  background: var(--panel-light);
  color: var(--text);
}
.btn.secondary:hover { background: #475569; }

/* ---------- Game screen ---------- */
#screen-game { padding: 0; }

.game-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 2px solid var(--panel-light);
  flex-wrap: wrap;
}
.hud-left { display: flex; align-items: center; gap: 12px; }
.hud-level-name { font-weight: 700; }
.hud-timer {
  font-variant-numeric: tabular-nums;
  font-size: 1.1rem;
  background: #111827;
  padding: 4px 10px;
  border-radius: 8px;
  min-width: 74px;
  text-align: center;
}
.hud-misses { color: var(--text-dim); font-size: 0.9rem; }
.hud-controls { display: flex; gap: 8px; }
.hud-controls button {
  background: var(--panel-light);
  color: var(--text);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  font-size: 1.1rem;
}
.hud-controls button:hover { background: #475569; }

#viewport {
  position: relative;
  overflow: hidden;
  height: calc(100vh - 62px);
  touch-action: none;
  background: #0b1220;
  cursor: grab;
}
#viewport:active { cursor: grabbing; }

#scene-wrap {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
}
#scene-wrap svg {
  display: block;
  width: 100%;
  height: 100%;
}

.scene-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  pointer-events: none;
}

.figure { cursor: pointer; }

.miss-marker {
  position: absolute;
  transform: translate(-50%, -50%);
  color: var(--danger);
  font-size: 32px;
  font-weight: 900;
  pointer-events: none;
  animation: missPop 0.7s ease forwards;
  text-shadow: 0 0 6px #000;
}
@keyframes missPop {
  0% { opacity: 1; transform: translate(-50%, -50%) scale(0.6); }
  30% { transform: translate(-50%, -50%) scale(1.2); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1); }
}

.found-marker {
  position: absolute;
  width: 90px;
  height: 90px;
  transform: translate(-50%, -50%);
  border: 4px solid var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.3), 0 0 20px rgba(34, 197, 94, 0.6);
  pointer-events: none;
  animation: foundPop 0.5s ease;
}
@keyframes foundPop {
  0% { transform: translate(-50%, -50%) scale(0.2); opacity: 0; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}
.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--panel);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 28px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
.modal h2 { margin-top: 0; }
.modal .stat { font-size: 1.6rem; font-weight: 800; color: var(--accent); margin: 8px 0; }
.modal .sub-stat { color: var(--text-dim); margin-bottom: 18px; }

.modal input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 2px solid var(--panel-light);
  background: #0f172a;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 14px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---------- Leaderboard ---------- */
#screen-leaderboard {
  padding: 32px 16px;
  align-items: center;
}
.leaderboard-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.leaderboard-tabs button {
  background: var(--panel);
  color: var(--text-dim);
  border: 2px solid var(--panel-light);
  border-radius: 999px;
  padding: 6px 16px;
}
.leaderboard-tabs button.active {
  color: #111827;
  background: var(--accent);
  border-color: var(--accent);
}

.leaderboard-list {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
  max-width: 480px;
}
.leaderboard-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border-radius: 10px;
  padding: 10px 16px;
  margin-bottom: 8px;
}
.leaderboard-list .rank { width: 24px; font-weight: 800; color: var(--accent); }
.leaderboard-list .lb-name { flex: 1; text-align: left; }
.leaderboard-list .lb-time { font-variant-numeric: tabular-nums; color: var(--text-dim); }
.leaderboard-empty { color: var(--text-dim); margin-top: 24px; }