:root {
  --bg: #0a0a12;
  --bg2: #12121f;
  --panel: #161625;
  --border: #2a2a45;
  --text: #e8e8f0;
  --text-dim: #8888a8;
  --accent: #00f0ff;
  --accent2: #ff00aa;
  --accent3: #aaff00;
  --danger: #ff3355;
  --glow: 0 0 20px rgba(0, 240, 255, 0.4);
  --font-display: 'Orbitron', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius: 12px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg: #f0f2f8;
  --bg2: #e4e8f0;
  --panel: #ffffff;
  --border: #c8d0e0;
  --text: #1a1a2e;
  --text-dim: #5a5a7a;
  --glow: 0 0 16px rgba(0, 180, 220, 0.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; overflow: hidden; font-family: var(--font-body); background: var(--bg); color: var(--text); user-select: none; }
#app { width: 100%; height: 100%; position: relative; }
.screen { position: absolute; inset: 0; display: none; flex-direction: column; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.35s ease; }
.screen.active { display: flex; opacity: 1; }

#menu { background: radial-gradient(ellipse at 30% 20%, #1a1030 0%, var(--bg) 50%, #0a1520 100%); overflow: hidden; }
.bg-orbs { position: absolute; inset: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.35; animation: float 12s ease-in-out infinite; }
.orb1 { width: 420px; height: 420px; background: var(--accent); top: -10%; left: -10%; }
.orb2 { width: 320px; height: 320px; background: var(--accent2); bottom: -5%; right: -5%; animation-delay: -4s; }
.orb3 { width: 280px; height: 280px; background: #7b2fff; top: 40%; left: 50%; animation-delay: -8s; }
@keyframes float { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(40px, -30px) scale(1.05); } 66% { transform: translate(-30px, 20px) scale(0.95); } }

.menu-content { position: relative; z-index: 2; text-align: center; padding: 2rem; }
.logo { font-family: var(--font-display); font-weight: 900; font-size: clamp(2.8rem, 8vw, 5rem); letter-spacing: 0.08em; line-height: 1; background: linear-gradient(135deg, #fff 0%, var(--accent) 50%, var(--accent2) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.5)); margin-bottom: 0.4rem; }
.logo span { display: block; font-size: 0.55em; letter-spacing: 0.35em; margin-top: 0.15em; opacity: 0.9; }
.tagline { color: var(--text-dim); font-size: 1rem; margin-bottom: 2.5rem; letter-spacing: 0.15em; text-transform: uppercase; }
.menu-nav { display: flex; flex-direction: column; gap: 0.7rem; max-width: 320px; margin: 0 auto; }
.menu-btn { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; letter-spacing: 0.06em; padding: 0.95rem 1.6rem; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(255,255,255,0.03); color: var(--text); cursor: pointer; transition: all var(--transition); backdrop-filter: blur(8px); }
.menu-btn:hover, .menu-btn:focus { border-color: var(--accent); background: rgba(0, 240, 255, 0.08); box-shadow: var(--glow); transform: translateY(-2px); outline: none; }
.menu-btn.primary { background: linear-gradient(135deg, rgba(0,240,255,0.25), rgba(255,0,170,0.15)); border-color: var(--accent); box-shadow: var(--glow); }
.menu-btn.primary:hover { background: linear-gradient(135deg, rgba(0,240,255,0.4), rgba(255,0,170,0.25)); }
.menu-btn.small { padding: 0.55rem 1rem; font-size: 0.8rem; }
.menu-btn.danger { border-color: var(--danger); color: var(--danger); }
.menu-btn.danger:hover { background: rgba(255,51,85,0.15); box-shadow: 0 0 16px rgba(255,51,85,0.3); }
.menu-footer { margin-top: 2.5rem; color: var(--text-dim); font-size: 0.85rem; display: flex; align-items: center; justify-content: center; gap: 0.6rem; }
.menu-footer .dot { opacity: 0.4; }

.panel { width: min(960px, 94vw); max-height: 90vh; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.5), var(--glow); display: flex; flex-direction: column; overflow: hidden; }
.panel-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.4rem; border-bottom: 1px solid var(--border); background: rgba(0,0,0,0.2); }
.panel-header.compact { padding: 0.7rem 1rem; }
.panel-header h2 { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.08em; font-weight: 700; }
.back-btn { background: transparent; border: none; color: var(--accent); font-size: 1rem; cursor: pointer; font-family: var(--font-body); padding: 0.3rem 0.6rem; border-radius: 6px; transition: background var(--transition); }
.back-btn:hover { background: rgba(0,240,255,0.1); }

.char-lab-body { display: grid; grid-template-columns: 240px 1fr; gap: 1.5rem; padding: 1.5rem; overflow-y: auto; }
@media (max-width: 700px) { .char-lab-body { grid-template-columns: 1fr; } }
.char-preview-wrap { display: flex; flex-direction: column; align-items: center; gap: 0.8rem; }
#char-preview { background: linear-gradient(180deg, #0d0d18, #151525); border-radius: 12px; border: 1px solid var(--border); image-rendering: pixelated; }
.char-name { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.1em; color: var(--accent); }
.char-controls { display: flex; flex-direction: column; gap: 1.2rem; }
.section h3 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-dim); margin-bottom: 0.5rem; }
.color-row, .style-row { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.color-swatch { width: 32px; height: 32px; border-radius: 8px; border: 2px solid transparent; cursor: pointer; transition: transform var(--transition), border-color var(--transition); }
.color-swatch:hover { transform: scale(1.12); }
.color-swatch.active { border-color: #fff; box-shadow: 0 0 0 2px var(--accent); }

.style-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 0.6rem;
}
.style-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.35rem 0.55rem;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: rgba(0,0,0,0.25);
  cursor: pointer;
  transition: all var(--transition);
}
.style-box:hover {
  border-color: rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}
.style-box.active {
  border-color: var(--accent);
  background: rgba(0, 240, 255, 0.12);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.25);
}
.style-preview {
  border-radius: 8px;
  image-rendering: pixelated;
  background: #0d0d18;
}
.style-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  text-align: center;
}
.style-box.active .style-label {
  color: var(--accent);
}

.rng-machine { background: linear-gradient(135deg, rgba(255,0,170,0.08), rgba(0,240,255,0.08)); border: 1px solid var(--border); border-radius: 12px; padding: 1.1rem; text-align: center; }
.rng-machine h3 { font-family: var(--font-display); margin-bottom: 0.3rem; color: var(--accent2); }
.rng-machine p { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 0.8rem; }
.rng-btn { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; letter-spacing: 0.15em; padding: 0.7rem 2.2rem; border: none; border-radius: 10px; background: linear-gradient(135deg, var(--accent2), #ff6600); color: #fff; cursor: pointer; box-shadow: 0 0 24px rgba(255,0,170,0.45); transition: transform 0.15s, box-shadow 0.15s; }
.rng-btn:hover { transform: scale(1.05); box-shadow: 0 0 36px rgba(255,0,170,0.7); }
.rng-btn:active { transform: scale(0.97); }
.rng-result { margin-top: 0.7rem; font-size: 0.85rem; min-height: 1.2em; color: var(--accent3); font-weight: 600; }

.settings-panel { max-width: 820px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; padding: 1.5rem; overflow-y: auto; }
.setting-group h3 { font-family: var(--font-display); font-size: 0.85rem; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 0.8rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--border); }
.setting-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.45rem 0; font-size: 0.9rem; }
.setting-item.small { font-size: 0.8rem; }
.setting-item input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.setting-item input[type="range"] { width: 110px; accent-color: var(--accent); }
.setting-item select { background: var(--bg2); border: 1px solid var(--border); color: var(--text); padding: 0.3rem 0.5rem; border-radius: 6px; font-size: 0.85rem; }
.settings-actions { display: flex; gap: 0.7rem; padding: 1rem 1.5rem 1.5rem; border-top: 1px solid var(--border); flex-wrap: wrap; }

.level-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.9rem; padding: 1.4rem; overflow-y: auto; max-height: 60vh; }
.level-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 1rem 0.8rem; text-align: center; cursor: pointer; transition: all var(--transition); }
.level-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--glow); }
.level-card.locked { opacity: 0.45; cursor: not-allowed; }
.level-card .num { font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; color: var(--accent); }
.level-card .name { font-size: 0.75rem; color: var(--text-dim); margin: 0.3rem 0; }
.level-card .stars { color: #ffcc00; font-size: 0.9rem; letter-spacing: 2px; }
.community-toolbar { display: flex; gap: 0.7rem; padding: 1rem 1.4rem 0; }
.community-toolbar input, .community-toolbar select { background: var(--bg2); border: 1px solid var(--border); color: var(--text); padding: 0.5rem 0.8rem; border-radius: 8px; font-size: 0.9rem; }
.community-toolbar input { flex: 1; }
.community-note { text-align: center; color: var(--text-dim); font-size: 0.8rem; padding: 0.8rem; }

#editor { background: #08080f; }
.editor-layout { display: flex; width: 100%; height: 100%; }
.editor-sidebar { width: 260px; background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; overflow-y: auto; flex-shrink: 0; }
.tool-group { padding: 0.9rem 1rem; border-bottom: 1px solid var(--border); }
.tool-group h4 { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-dim); margin-bottom: 0.55rem; }
.tool-btns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.4rem; }
.tool { aspect-ratio: 1; border: 1px solid var(--border); border-radius: 8px; background: var(--bg2); color: var(--text); font-size: 1rem; cursor: pointer; transition: all var(--transition); }
.tool:hover { border-color: var(--accent); }
.tool.active { border-color: var(--accent); background: rgba(0,240,255,0.15); box-shadow: 0 0 12px rgba(0,240,255,0.3); }
.tile-palette {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}
.tile-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.3rem 0.2rem 0.35rem;
  border-radius: 8px;
  border: 2px solid transparent;
  background: rgba(0,0,0,0.2);
  cursor: pointer;
  transition: all 0.15s ease;
}
.tile-swatch:hover {
  border-color: rgba(0, 240, 255, 0.4);
}
.tile-swatch.active {
  border-color: var(--accent);
  background: rgba(0, 240, 255, 0.1);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}
.tile-preview {
  border-radius: 4px;
  image-rendering: pixelated;
  display: block;
}
.tile-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  text-align: center;
  line-height: 1;
}
.tile-swatch.active .tile-label {
  color: var(--accent);
}
#level-name { width: 100%; background: var(--bg2); border: 1px solid var(--border); color: var(--text); padding: 0.5rem; border-radius: 6px; margin-bottom: 0.6rem; font-size: 0.9rem; }
.editor-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; }
.editor-canvas-wrap { flex: 1; position: relative; overflow: hidden; background: #0a0a14; }
#editor-canvas { display: block; width: 100%; height: 100%; cursor: crosshair; }
.editor-hint { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); font-size: 0.7rem; color: var(--text-dim); background: rgba(0,0,0,0.6); padding: 0.3rem 0.8rem; border-radius: 20px; pointer-events: none; }

#game { background: #000; }
#game-canvas { display: block; width: 100%; height: 100%; image-rendering: pixelated; }
#hud { position: absolute; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; padding: 0.7rem 1.2rem; background: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent); font-family: var(--font-display); font-size: 0.9rem; pointer-events: none; z-index: 10; }
.hud-left, .hud-right, .hud-center { display: flex; align-items: center; gap: 1rem; }
#pause-btn { pointer-events: auto; background: rgba(255,255,255,0.1); border: 1px solid var(--border); color: #fff; width: 36px; height: 36px; border-radius: 8px; cursor: pointer; font-size: 0.9rem; }
#touch-controls { position: absolute; bottom: 0; left: 0; right: 0; display: flex; justify-content: space-between; padding: 1rem 1.5rem 1.5rem; pointer-events: none; z-index: 10; }
#touch-controls.hidden { display: none; }
.touch-left, .touch-right { display: flex; gap: 0.6rem; pointer-events: auto; }
#touch-controls button { width: 64px; height: 64px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.3); background: rgba(0,0,0,0.4); color: #fff; font-size: 1.4rem; backdrop-filter: blur(6px); }
.overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.75); display: flex; align-items: center; justify-content: center; z-index: 20; backdrop-filter: blur(6px); }
.overlay.hidden { display: none; }
.pause-card, .win-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; text-align: center; min-width: 280px; box-shadow: var(--glow); }
.pause-card h2, .win-card h2 { font-family: var(--font-display); margin-bottom: 1.5rem; letter-spacing: 0.1em; }
.pause-card .menu-btn, .win-card .menu-btn { display: block; width: 100%; margin-bottom: 0.6rem; }
.win-card .stars { font-size: 2rem; color: #ffcc00; letter-spacing: 6px; margin-bottom: 0.8rem; }
#win-stats { color: var(--text-dim); margin-bottom: 1.5rem; font-size: 0.9rem; }
.win-actions { display: flex; flex-direction: column; gap: 0.5rem; }
#death-flash { position: absolute; inset: 0; background: rgba(255, 40, 60, 0.35); opacity: 0; pointer-events: none; z-index: 5; transition: opacity 0.15s; }
#death-flash.active { opacity: 1; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }