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

:root {
  --bg: #0a0a0f;
  --bg-elevated: #13131a;
  --bg-card: #1a1a24;
  --bg-hover: #22222e;
  --border: #2a2a3a;
  --border-focus: #6c5ce7;
  --text: #e8e8f0;
  --text-muted: #8888a0;
  --text-dim: #55556a;
  --primary: #6c5ce7;
  --primary-glow: rgba(108, 92, 231, 0.3);
  --primary-hover: #7c6cf7;
  --accent: #00cec9;
  --accent-glow: rgba(0, 206, 201, 0.3);
  --danger: #ff6b6b;
  --success: #51cf66;
  --warning: #ffd43b;
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-w: 240px;
  --transition: 0.2s ease;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  overflow: hidden;
}

.app {
  display: flex;
  height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  flex-shrink: 0;
  gap: 24px;
}

.sidebar-header {
  display: flex;
  flex-direction: column;
  padding: 4px 8px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.logo-sub {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-top: 2px;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 15px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.nav-btn span {
  flex: 1;
  font-weight: 500;
}

.settings-btn {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.settings-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--text-dim);
}

/* Main content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel {
  display: none;
  flex: 1;
  flex-direction: column;
  padding: 28px 32px;
  overflow-y: auto;
}

.panel.active { display: flex; }

.panel-header { margin-bottom: 24px; }

.panel-header h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.panel-desc {
  color: var(--text-muted);
  font-size: 14px;
}

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full { grid-column: 1 / -1; }
.form-group.half { grid-column: span 1; }

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.prompt-input, input, select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

textarea.prompt-input {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

.prompt-input:focus, input:focus, select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238888a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Upload zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 140px;
}

.upload-zone:hover {
  border-color: var(--primary);
  background: rgba(108, 92, 231, 0.05);
}

.upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(0, 206, 201, 0.08);
}

.upload-placeholder {
  text-align: center;
  color: var(--text-dim);
}

.upload-placeholder svg { color: var(--text-dim); margin-bottom: 12px; }
.upload-placeholder p { font-size: 14px; margin-bottom: 4px; }
.upload-placeholder span { font-size: 12px; }

.upload-preview {
  max-height: 200px;
  max-width: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* Multi-image gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, 90px);
  gap: 8px;
  width: 100%;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-item .gallery-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  background: rgba(255, 107, 107, 0.9);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-remove { opacity: 1; }

.form-hint {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  margin-left: 4px;
}

.panel-desc .form-hint {
  font-size: 13px;
  color: var(--text-muted);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

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

/* Buttons */
.btn-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-dim);
}

/* Results section */
.results-section {
  flex-shrink: 0;
  max-height: 45%;
  border-top: 1px solid var(--border);
  padding: 20px 32px;
  overflow-y: auto;
  background: var(--bg);
}

.results-section h3 {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-weight: 600;
}

.results-grid {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  min-height: 80px;
}

.result-card {
  flex-shrink: 0;
  width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform var(--transition);
  position: relative;
}

.result-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.result-card img, .result-card video {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.result-card .result-meta {
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-card .result-label {
  font-size: 11px;
  color: var(--text-muted);
}

.result-card .result-actions {
  display: flex;
  gap: 4px;
}

.result-card .result-actions a, .result-card .result-actions button {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-hover);
  border: none;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 12px;
  text-decoration: none;
}

.result-card .result-actions a:hover, .result-card .result-actions button:hover {
  background: var(--primary);
  color: #fff;
}

.result-card .result-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
}

.loading-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  gap: 10px;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  font-size: 12px;
  color: var(--text-muted);
}

.error-card {
  background: rgba(255, 107, 107, 0.1);
  border-color: rgba(255, 107, 107, 0.3);
}

.error-card .result-meta { color: var(--danger); }

.empty-results {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 80px;
  color: var(--text-dim);
  font-size: 13px;
}

/* Status text */
.status-text {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 12px;
  min-height: 20px;
}

.status-text.success { color: var(--success); }
.status-text.error { color: var(--danger); }

/* Modal */
.modal-overlay[hidden] { display: none; }
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 420px;
  max-width: 90vw;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 { font-size: 18px; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.cfg-input { font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace; }

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

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  z-index: 2000;
  animation: slideIn 0.3s ease;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--primary); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
  :root { --sidebar-w: 64px; }
  .sidebar { padding: 12px 8px; }
  .nav-btn span, .logo, .logo-sub, .settings-btn span { display: none; }
  .nav-btn, .settings-btn { justify-content: center; padding: 12px; }
  .panel { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.half { grid-column: 1; }
  .results-section { max-height: 40%; }
}