:root, [data-theme="dark"] {
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --surface: #1e2a4a;
  --border: #2a2a4a;
  --text-primary: #e0e0ff;
  --text-secondary: #8888aa;
  --accent-cyan: #00d2ff;
  --accent-purple: #7b2ff7;
  --accent-green: #00ff88;
  --accent-red: #ff4466;
  --accent-yellow: #ffcc00;
  --accent-orange: #ff8844;
  --bottom-panel-bg: #0d0d1a;
  --preview-bg: #111;
  --line-number-bg: rgba(0,0,0,0.15);
  --scrollbar-track: #0f0f23;
  --scrollbar-thumb: #2a2a4a;
  --scrollbar-thumb-hover: #3a3a5a;
  --modal-overlay: rgba(0,0,0,0.6);
  --card-hover-border: #00d2ff;
  --tag-bg: rgba(0,210,255,0.12);
  --tag-color: #00d2ff;
}

[data-theme="light"] {
  --bg-primary: #f5f5f8;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eaeaf0;
  --surface: #e2e2ea;
  --border: #d0d0da;
  --text-primary: #1a1a2e;
  --text-secondary: #6e6e88;
  --accent-cyan: #0099cc;
  --accent-purple: #6a1fd6;
  --accent-green: #00aa55;
  --accent-red: #dd2244;
  --accent-yellow: #cc9900;
  --accent-orange: #dd6622;
  --bottom-panel-bg: #eaeaf0;
  --preview-bg: #ddd;
  --line-number-bg: rgba(0,0,0,0.04);
  --scrollbar-track: #f0f0f4;
  --scrollbar-thumb: #c0c0cc;
  --scrollbar-thumb-hover: #a0a0b0;
  --modal-overlay: rgba(0,0,0,0.35);
  --card-hover-border: #0099cc;
  --tag-bg: rgba(0,153,204,0.12);
  --tag-color: #0077aa;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

#root {
  height: 100vh;
  width: 100vw;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes splashFade {
  0% { opacity: 1; }
  70% { opacity: 1; }
  100% { opacity: 0; pointer-events: none; }
}

@keyframes logoGlow {
  0% { text-shadow: 0 0 20px rgba(0,210,255,0.3), 0 0 40px rgba(123,47,247,0.2); }
  50% { text-shadow: 0 0 30px rgba(0,210,255,0.6), 0 0 60px rgba(123,47,247,0.4); }
  100% { text-shadow: 0 0 20px rgba(0,210,255,0.3), 0 0 40px rgba(123,47,247,0.2); }
}

@keyframes confetti {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-200px) rotate(720deg); opacity: 0; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes fadeScaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.shimmer-loading {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--surface) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.code-font {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-border:focus-within {
  box-shadow: 0 0 0 1px var(--accent-cyan), 0 0 15px rgba(0,210,255,0.15);
}

.context-menu {
  animation: fadeIn 0.15s ease-out;
}

.toast-enter {
  animation: slideUp 0.3s ease-out;
}

.resizer {
  transition: background 0.2s;
}
.resizer:hover {
  background: var(--accent-cyan) !important;
  box-shadow: 0 0 8px rgba(0,210,255,0.4);
}

textarea.code-editor {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  tab-size: 2;
  resize: none;
  background: transparent;
  color: var(--text-primary);
  caret-color: var(--accent-cyan);
  outline: none;
  border: none;
  width: 100%;
  height: 100%;
  padding: 0;
}

textarea.code-editor::selection {
  background: rgba(0, 210, 255, 0.2);
}

/* Template marketplace */
.template-card {
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.template-card:hover {
  border-color: var(--card-hover-border) !important;
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

.template-tag {
  background: var(--tag-bg);
  color: var(--tag-color);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 500;
  white-space: nowrap;
}

.category-btn {
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.theme-toggle-track {
  width: 44px;
  height: 22px;
  border-radius: 11px;
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
  flex-shrink: 0;
}
.theme-toggle-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-cyan);
  position: absolute;
  top: 1px;
  transition: left 0.3s;
}