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

:root {
  --bg: #0a0a0a;
  --surface: #1a1a1a;
  --surface-2: #141414;
  --border: #2a2a2a;
  --border-light: #333;
  --text: #e0e0e0;
  --text-dim: #888;
  --accent: #00ff88;
  --accent-hover: #00cc6a;
  --accent-glow: rgba(0, 255, 136, 0.15);
  --accent-glow-strong: rgba(0, 255, 136, 0.3);
  --error: #ff4444;
  --error-bg: rgba(255, 68, 68, 0.1);
  --font-heading: "JetBrains Mono", "Fira Code", monospace;
  --font-body: "Space Grotesk", system-ui, -apple-system, sans-serif;
}

.theme-light {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f5f5f5;
  --border: #e0e0e0;
  --border-light: #d0d0d0;
  --text: #1a1a1a;
  --text-dim: #666;
  --accent: #00aa55;
  --accent-hover: #008844;
  --accent-glow: rgba(0, 170, 85, 0.1);
  --accent-glow-strong: rgba(0, 170, 85, 0.2);
  --error: #cc3333;
  --error-bg: rgba(204, 51, 51, 0.08);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* Beetle animation */
@keyframes beetle-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-3px) rotate(2deg); }
  75% { transform: translateY(2px) rotate(-1deg); }
}

.beetle-icon {
  display: inline-block;
  animation: beetle-float 3s ease-in-out infinite;
  font-size: 1.5rem;
}

/* Title glow */
.title-glow {
  color: var(--accent);
  text-shadow: 0 0 20px var(--accent-glow-strong), 0 0 40px var(--accent-glow);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* Input glow */
.input-glow:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px var(--accent-glow), 0 0 20px var(--accent-glow);
  outline: none;
}

/* Generate button */
.btn-generate {
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: all 0.15s ease;
  position: relative;
  overflow: hidden;
}
.btn-generate:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: scale(1.01);
  box-shadow: 0 0 30px var(--accent-glow-strong);
}
.btn-generate:active:not(:disabled) {
  transform: scale(0.98);
}
.btn-generate:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.spinner-sm {
  width: 18px;
  height: 18px;
  border-width: 2px;
  display: inline-block;
  vertical-align: middle;
}

/* Pulse text */
@keyframes pulse-text {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.pulse-text {
  animation: pulse-text 1.5s ease-in-out infinite;
}

/* Fade in */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  animation: fadeIn 0.4s ease-out;
}

/* Slide panel */
@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}
@keyframes slideOut {
  from { transform: translateX(0); }
  to { transform: translateX(100%); }
}
.panel-slide-in {
  animation: slideIn 0.3s ease-out forwards;
}
.panel-slide-out {
  animation: slideOut 0.3s ease-in forwards;
}

/* Backdrop */
@keyframes fadeInBg {
  from { opacity: 0; }
  to { opacity: 1; }
}
.backdrop-fade {
  animation: fadeInBg 0.2s ease-out forwards;
}

/* Toast */
@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(20px) scale(0.95); }
}
.toast-in {
  animation: toastIn 0.3s ease-out forwards;
}
.toast-out {
  animation: toastOut 0.3s ease-in forwards;
}

/* Custom select wrapper */
.select-wrapper {
  position: relative;
}
.select-wrapper select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 36px 10px 12px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  width: 100%;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.select-wrapper select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
  outline: none;
}
.select-wrapper::after {
  content: "▾";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  font-size: 0.75rem;
}

/* Action buttons */
.btn-action {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-action:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* History strip */
.history-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 8px 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.history-strip::-webkit-scrollbar {
  height: 4px;
}
.history-thumb {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.15s ease;
  scroll-snap-align: start;
  position: relative;
  background: var(--surface);
}
.history-thumb:hover {
  border-color: var(--accent);
  transform: scale(1.05);
  box-shadow: 0 0 15px var(--accent-glow);
}
.history-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.history-thumb .timestamp-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.6rem;
  padding: 2px 4px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.15s;
  font-family: var(--font-heading);
}
.history-thumb:hover .timestamp-overlay {
  opacity: 1;
}

/* Settings input */
.settings-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.settings-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
  outline: none;
}
.settings-input::placeholder {
  color: var(--text-dim);
}

/* Segmented control */
.segmented-control {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.segmented-btn {
  flex: 1;
  padding: 10px 16px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  transition: all 0.15s;
  border-right: 1px solid var(--border);
}
.segmented-btn:last-child {
  border-right: none;
}
.segmented-btn.active {
  background: var(--accent);
  color: #0a0a0a;
  font-weight: 600;
}
.segmented-btn:hover:not(.active) {
  background: var(--accent-glow);
  color: var(--text);
}

/* Banana-themed active button */
.segmented-btn.banana-active {
  background: #ffd600 !important;
  color: #1a1a00 !important;
}

/* Banana generate button */
.btn-generate.btn-banana {
  background: #ffd600;
  color: #1a1a00;
}
.btn-generate.btn-banana:hover:not(:disabled) {
  background: #ffca00;
  box-shadow: 0 0 30px rgba(255, 214, 0, 0.4);
}

/* 3-segment control */
.segmented-3 {
  display: flex;
}
.segmented-3 .segmented-btn {
  flex: 1;
  font-size: 0.8rem;
  padding: 10px 10px;
}

/* Image container dashed border */
.image-container-empty {
  border: 2px dashed var(--border);
  background: var(--surface);
}
.image-container-filled {
  border: 1px solid var(--border);
  background: var(--surface);
}

/* Color picker wrapper */
input[type="color"] {
  -webkit-appearance: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 48px;
  height: 40px;
  padding: 2px;
  cursor: pointer;
  background: var(--surface);
}
input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 2px;
}
input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

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

/* Mobile responsive */
@media (max-width: 640px) {
  .history-thumb {
    width: 64px;
    height: 64px;
  }
}