/* Dark Mode (default) */
:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --border: #1e1e2e;
  --text: #e0e0e8;
  --text-dim: #6a6a7a;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.3);
  --green: #4ade80;
  --green-glow: rgba(74, 222, 128, 0.2);
  --purple: #a78bfa;
  --cyan: #22d3ee;
  --noise-opacity: 0.03;
}

/* Light Mode */
:root[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-card: #ffffff;
  --border: #e0e0e5;
  --text: #1a1a1f;
  --text-dim: #6a6a7a;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.2);
  --green: #059669;
  --green-glow: rgba(5, 150, 105, 0.15);
  --purple: #7c3aed;
  --cyan: #0891b2;
  --noise-opacity: 0.015;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Mono', monospace;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: var(--noise-opacity);
  pointer-events: none;
  z-index: 1000;
  transition: opacity 0.3s ease;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* ---- Theme Toggle ---- */
.theme-toggle {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 100;
}

.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
  transform: translateY(-2px);
}

.theme-toggle:active {
  transform: translateY(0);
}

.theme-toggle svg {
  color: var(--text);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-toggle .sun-icon {
  position: absolute;
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
}

.theme-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Light mode icon states */
:root[data-theme="light"] .theme-toggle .sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

:root[data-theme="light"] .theme-toggle .moon-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0.8);
}

/* ---- Header / Logo ---- */
.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  text-align: center;
  margin-bottom: 0.3rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent) 0%, #ff9a5c 50%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInDown 0.6s ease-out;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 2.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fadeInDown 0.6s ease-out 0.15s both;
}

/* ---- Create Mode ---- */
#create-view {
  width: 100%;
  animation: fadeIn 0.5s ease-out 0.3s both;
}

.prompt-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.6rem;
}

.input-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
}

.input-wrapper::before {
  content: '>';
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
}

#question-input {
  width: 100%;
  padding: 1.1rem 1.2rem 1.1rem 2.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s, color 0.3s;
}

#question-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

#question-input::placeholder {
  color: var(--text-dim);
  opacity: 0.6;
}

/* ---- LLM Selector ---- */
.llm-selector {
  margin-bottom: 1.5rem;
}

.selector-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.8rem;
}

.select-all-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-family: 'Space Mono', monospace;
  font-size: 0.6rem;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.select-all-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.llm-checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.6rem;
}

.llm-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s, background-color 0.3s;
}

.llm-checkbox:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.llm-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent);
}

.llm-checkbox label {
  font-size: 0.75rem;
  cursor: pointer;
  flex: 1;
  user-select: none;
}

.llm-checkbox.checked {
  border-color: var(--accent);
  background: rgba(255, 107, 53, 0.05);
}

/* ---- Generate Button ---- */
.generate-btn {
  width: 100%;
  padding: 1rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.generate-btn:active {
  transform: translateY(0);
}

.generate-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---- Link Output ---- */
#link-output {
  display: none;
  width: 100%;
  margin-top: 1.8rem;
  animation: fadeInUp 0.4s ease-out;
}

#link-output.visible { display: block; }

.link-box {
  background: var(--bg-card);
  border: 1px solid var(--green);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  box-shadow: 0 0 20px var(--green-glow);
}

.link-box input {
  flex: 1;
  background: none;
  border: none;
  color: var(--green);
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  outline: none;
  min-width: 0;
}

.copy-btn {
  padding: 0.5rem 1rem;
  background: var(--green);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.copy-btn:hover { opacity: 0.85; }

.snark {
  margin-top: 0.8rem;
  font-size: 0.72rem;
  color: var(--text-dim);
  font-style: italic;
  text-align: center;
}

/* ---- Play Mode (the animation someone sees) ---- */
#play-view {
  display: none;
  width: 100%;
  text-align: center;
}

#play-view.active { display: block; }
#create-view.hidden { display: none; }

.play-snark {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  animation: fadeIn 0.8s ease-out;
}

.fake-chat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  text-align: left;
  margin-bottom: 2rem;
  min-height: 80px;
  position: relative;
  overflow: hidden;
  transition: background-color 0.3s, border-color 0.3s;
}

.fake-chat::before {
  content: 'New Chat';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 0.6rem 1.2rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.typing-area {
  margin-top: 2.2rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
  min-height: 1.6em;
}

.cursor-blink {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 0.7s step-end infinite;
  margin-left: 1px;
}

.step-indicator {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

/* ---- Fake Mouse Cursor ---- */
.fake-mouse {
  position: absolute;
  pointer-events: none;
  opacity: 0;
  z-index: 100;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
  transition: opacity 0.3s;
}

.fake-mouse.visible {
  opacity: 1;
}

/* ---- LLM Buttons ---- */
#llm-buttons {
  display: none;
  flex-direction: column;
  gap: 0.7rem;
  width: 100%;
  animation: fadeInUp 0.5s ease-out;
}

#llm-buttons.visible {
  display: flex;
}

.llm-section-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-top: 0.8rem;
  margin-bottom: 0.2rem;
}

.llm-btn {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.25s, background-color 0.3s;
  text-decoration: none;
}

.llm-btn:hover {
  border-color: var(--accent);
  transform: translateX(6px);
  box-shadow: 0 0 15px var(--accent-glow);
}

/* Auto-clicking animation for single LLM */
.llm-btn.auto-clicking {
  animation: autoClick 0.8s ease-in-out;
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

@keyframes autoClick {
  0% {
    transform: scale(1);
    box-shadow: 0 0 15px var(--accent-glow);
  }
  50% {
    transform: scale(0.95);
    box-shadow: 0 0 30px var(--accent-glow);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 40px var(--accent-glow);
  }
}

.llm-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
  font-family: 'Syne', sans-serif;
}

.llm-name { flex: 1; text-align: left; }

.llm-badge {
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.badge-free {
  background: var(--green-glow);
  color: var(--green);
  border: 1px solid rgba(74,222,128,0.3);
}

.badge-login {
  background: rgba(167,139,250,0.1);
  color: var(--purple);
  border: 1px solid rgba(167,139,250,0.2);
}

.was-that-hard {
  margin-top: 2rem;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  animation: fadeIn 0.6s ease-out;
}

/* Footer */
.footer {
  margin-top: 3rem;
  font-size: 0.6rem;
  color: var(--text-dim);
  text-align: center;
  opacity: 0.5;
}

.footer a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px dotted var(--text-dim);
}

/* ---- Animations ---- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes blink { 50% { opacity: 0; } }

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

.llm-btn { animation: slideReveal 0.35s ease-out backwards; }
.llm-btn:nth-child(1) { animation-delay: 0s; }
.llm-btn:nth-child(2) { animation-delay: 0.06s; }
.llm-btn:nth-child(3) { animation-delay: 0.12s; }
.llm-btn:nth-child(4) { animation-delay: 0.18s; }
.llm-btn:nth-child(5) { animation-delay: 0.24s; }
.llm-btn:nth-child(6) { animation-delay: 0.30s; }
.llm-btn:nth-child(7) { animation-delay: 0.36s; }
.llm-btn:nth-child(8) { animation-delay: 0.42s; }
.llm-btn:nth-child(9) { animation-delay: 0.48s; }
.llm-btn:nth-child(10) { animation-delay: 0.54s; }

/* Responsive */
@media (max-width: 500px) {
  .link-box { flex-direction: column; }
  .copy-btn { width: 100%; text-align: center; }
  .llm-checkboxes {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}