/* ============================================
   RedSky - Neon Glass Design System
   ============================================ */

/* CSS Variables */
:root {
  /* Backgrounds - layered, not flat black */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a24;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);

  /* Brand gradient (RedSky) */
  --gradient-brand: linear-gradient(135deg, #ff3d3d 0%, #b44dff 100%);
  --color-red: #ff3d3d;
  --color-purple: #b44dff;

  /* Glow effects */
  --glow-brand: 0 0 20px rgba(255, 61, 61, 0.25), 0 0 40px rgba(180, 77, 255, 0.15);
  --glow-purple: 0 0 20px rgba(180, 77, 255, 0.3);
  --glow-red: 0 0 20px rgba(255, 61, 61, 0.3);

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-muted: rgba(255, 255, 255, 0.5);

  /* Glass effect */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 255, 255, 0.15);

  /* Status colors */
  --color-success: #22c55e;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;

  /* Spacing & Layout */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --navbar-height: 65px;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-purple);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-red);
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-logo {
  height: 48px;
  width: auto;
}

.nav-brand a {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
  text-decoration: none;
}

.nav-link.active {
  color: var(--text-primary);
  background: var(--glass-bg);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-user .username {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Hamburger toggle (hidden on desktop) */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle.open .nav-toggle-icon {
  background: transparent;
}

.nav-toggle.open .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.open .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ============================================
   Layout
   ============================================ */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px;
}

.main-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  min-height: calc(100vh - var(--navbar-height));
}

.main-content {
  padding: 40px;
  max-width: 800px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.form-section {
  margin-bottom: 28px;
}

/* ============================================
   Glass Card
   ============================================ */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: var(--glass-border-hover);
}

/* ============================================
   Form Elements
   ============================================ */
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.input-field,
.textarea-field,
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  transition: all 0.3s ease;
  resize: vertical;
}

.input-field:focus,
.textarea-field:focus,
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px rgba(180, 77, 255, 0.15);
}

.input-field::placeholder,
.textarea-field::placeholder,
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.form-group small {
  display: block;
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--glass-border-hover);
  text-decoration: none;
}

.btn-primary {
  padding: 16px 32px;
  background: var(--gradient-brand);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-brand);
}

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

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -100%;
  width: 100%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}

.btn-primary:hover::after {
  left: 100%;
}

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

.btn-primary:disabled::after {
  display: none;
}

.btn-secondary {
  padding: 12px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
}

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

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--color-danger);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: var(--color-danger);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ============================================
   Model Selector Grid
   ============================================ */
.model-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.model-selector-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 12px;
  background: var(--glass-bg);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.model-selector-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow-brand);
}

.model-selector-card.selected {
  background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box,
              var(--gradient-brand) border-box;
  border: 2px solid transparent;
  box-shadow: var(--glow-brand);
}

.model-selector-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--glass-border);
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.model-selector-card:hover .model-selector-avatar,
.model-selector-card.selected .model-selector-avatar {
  border-color: var(--color-purple);
  box-shadow: var(--glow-purple);
}

.model-selector-avatar-placeholder {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.model-selector-card:hover .model-selector-avatar-placeholder,
.model-selector-card.selected .model-selector-avatar-placeholder {
  border-color: var(--color-purple);
  box-shadow: var(--glow-purple);
}

.model-selector-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  text-align: center;
}

.model-selector-checkmark {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  background: var(--gradient-brand);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: white;
}

.model-selector-card.selected .model-selector-checkmark {
  display: flex;
}

.no-models-message {
  padding: 32px;
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

/* ============================================
   Shot Type Selector
   ============================================ */
.shot-type-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.shot-option {
  cursor: pointer;
}

.shot-option input {
  display: none;
}

.shot-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.shot-option:hover .shot-card {
  background: var(--bg-card-hover);
  transform: scale(1.02);
}

.shot-option input:checked + .shot-card {
  background: linear-gradient(135deg, rgba(255, 61, 61, 0.1) 0%, rgba(180, 77, 255, 0.1) 100%);
  border-color: var(--color-purple);
  box-shadow: var(--glow-purple);
}

.shot-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  opacity: 0.7;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shot-icon img {
  width: 100%;
  height: 100%;
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

.shot-option:hover .shot-icon,
.shot-option input:checked + .shot-card .shot-icon {
  opacity: 1;
}

.shot-option input:checked + .shot-card .shot-icon img {
  filter: brightness(0) saturate(100%) invert(45%) sepia(85%) saturate(2000%) hue-rotate(310deg) brightness(100%);
  opacity: 1;
}

.shot-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

/* ============================================
   Aspect Ratio Selector
   ============================================ */
.ratio-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.ratio-option {
  cursor: pointer;
}

.ratio-option input {
  display: none;
}

.ratio-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  min-width: 70px;
}

.ratio-option:hover .ratio-card {
  background: var(--bg-card-hover);
}

.ratio-option input:checked + .ratio-card {
  background: linear-gradient(135deg, rgba(255, 61, 61, 0.1) 0%, rgba(180, 77, 255, 0.1) 100%);
  border-color: var(--color-purple);
}

.ratio-icon {
  border: 2px solid var(--text-muted);
  border-radius: 4px;
  margin-bottom: 8px;
  transition: all 0.3s ease;
}

.ratio-option input:checked + .ratio-card .ratio-icon {
  border-color: var(--color-purple);
  box-shadow: var(--glow-purple);
}

/* Ratio icon sizes */
.ratio-1-1 { width: 28px; height: 28px; }
.ratio-3-4 { width: 24px; height: 32px; }
.ratio-4-3 { width: 32px; height: 24px; }
.ratio-2-3 { width: 22px; height: 32px; }
.ratio-3-2 { width: 32px; height: 22px; }
.ratio-9-16 { width: 18px; height: 32px; }
.ratio-16-9 { width: 36px; height: 20px; }

.ratio-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.ratio-option input:checked + .ratio-card .ratio-label {
  color: var(--text-primary);
}

/* ============================================
   Generation Model Selector (Banana/Seedream)
   ============================================ */
.gen-model-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.gen-model-option {
  cursor: pointer;
}

.gen-model-option input {
  display: none;
}

.gen-model-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.gen-model-option:hover .gen-model-card {
  background: var(--bg-card-hover);
  border-color: var(--glass-border-hover);
}

.gen-model-option input:checked + .gen-model-card {
  background: linear-gradient(135deg, rgba(255, 61, 61, 0.1) 0%, rgba(180, 77, 255, 0.1) 100%);
  border-color: var(--color-purple);
  box-shadow: var(--glow-purple);
}

.gen-model-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

/* ============================================
   Sidebar
   ============================================ */
.generate-sidebar {
  background: var(--bg-secondary);
  border-left: 1px solid var(--glass-border);
  padding: 24px;
  height: calc(100vh - var(--navbar-height));
  overflow-y: auto;
  position: sticky;
  top: var(--navbar-height);
}

.generate-sidebar h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.recent-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recent-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.recent-item:hover {
  background: var(--glass-bg);
}

.recent-item img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.recent-placeholder {
  width: 44px;
  height: 44px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-muted);
}

.recent-info {
  flex: 1;
  min-width: 0;
}

.recent-prompt {
  display: block;
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.recent-date {
  font-size: 11px;
  color: var(--text-muted);
}

.no-recent {
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
  padding: 20px;
}

/* ============================================
   Generate Page
   ============================================ */
.generate-page {
  display: grid;
  grid-template-columns: 1fr 320px;
  min-height: calc(100vh - var(--navbar-height));
}

.generate-main {
  padding: 40px;
  max-width: 800px;
}

.prompt-section {
  margin-bottom: 32px;
}

.prompt-section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Result Section
   ============================================ */
.result-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 32px;
}

.result-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.result-images-row {
  display: flex;
  gap: 16px;
  margin: 16px 0;
}

.result-image-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px;
}

.result-image-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  padding: 2px 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
}

.result-image-label.label-clean {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(180, 77, 255, 0.2));
  color: var(--color-success);
}

.result-image-container {
  margin: 8px 0;
  text-align: center;
  width: 100%;
}

.result-image-container img {
  max-width: 100%;
  max-height: 500px;
  border-radius: var(--radius-sm);
}

.result-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}

.seedream-loading-card {
  justify-content: center;
  min-height: 200px;
}

.seedream-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 14px;
}

.seedream-spinner .spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--color-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

@media (max-width: 768px) {
  .result-images-row {
    flex-direction: column;
  }
}

.result-info {
  margin: 16px 0;
}

.result-info details {
  background: var(--bg-tertiary);
  padding: 16px;
  border-radius: var(--radius-md);
}

.result-info summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
}

.result-info pre {
  margin-top: 12px;
  white-space: pre-wrap;
  font-size: 13px;
  color: var(--text-muted);
}

.refine-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
}

.refine-section h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* ============================================
   Error Section
   ============================================ */
.error-section {
  margin-top: 24px;
}

.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.error-message h4 {
  color: var(--color-danger);
  margin-bottom: 12px;
}

.error-message p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  word-break: break-word;
}

/* ============================================
   Flash Messages
   ============================================ */
.flash-messages {
  margin-bottom: 24px;
}

.flash {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  font-size: 14px;
}

.flash-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-danger);
}

.flash-success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--color-success);
}

.flash-info {
  background: rgba(180, 77, 255, 0.15);
  border: 1px solid rgba(180, 77, 255, 0.3);
  color: var(--color-purple);
}

/* ============================================
   Login Page
   ============================================ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-primary);
}

.login-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  padding: 48px;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-logo {
  margin-bottom: 16px;
}

.login-logo img {
  height: 72px;
  width: auto;
}

.login-card h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.login-form {
  text-align: left;
}

.login-form .btn-primary {
  margin-top: 8px;
}

/* ============================================
   History Page
   ============================================ */
.history-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.history-header h1 {
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Filters Panel */
.filters-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}

.filters-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 150px;
}

.filter-group.filter-search {
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-group select,
.filter-group input {
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
}

.filters-actions {
  display: flex;
  gap: 12px;
}

/* History Grid */
.history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.history-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.history-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow-brand);
  border-color: var(--glass-border-hover);
}

.history-card-image {
  aspect-ratio: 1;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.history-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.history-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.placeholder-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.placeholder-text {
  font-size: 12px;
}

.history-card-info {
  padding: 16px;
}

.history-card-model {
  display: inline-block;
  padding: 4px 10px;
  background: var(--gradient-brand);
  color: white;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 8px;
}

.history-card-date {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.history-card-prompt {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.4;
}

.history-card-status {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.status-completed {
  background: rgba(34, 197, 94, 0.2);
  color: var(--color-success);
}

.status-failed {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-danger);
}

.status-processing {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
}

.status-queued {
  background: rgba(180, 77, 255, 0.2);
  color: var(--color-purple);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

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

/* No Results */
.no-results {
  text-align: center;
  padding: 64px 32px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.no-results p {
  margin-bottom: 16px;
}

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 32px;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--glass-bg);
  color: var(--text-primary);
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.2s ease;
}

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

.modal-image {
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.modal-image img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.modal-details {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.modal-model {
  padding: 6px 12px;
  background: var(--gradient-brand);
  color: white;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
}

.modal-date {
  color: var(--text-muted);
  font-size: 13px;
}

.modal-status {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.modal-section h4 {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.modal-section p {
  margin: 0;
  line-height: 1.5;
  color: var(--text-secondary);
}

.modal-section pre {
  margin: 8px 0 0;
  white-space: pre-wrap;
  font-size: 13px;
  color: var(--text-muted);
}

.modal-section summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-params {
  display: flex;
  gap: 8px;
}

.modal-user {
  font-size: 13px;
  color: var(--text-muted);
}

.modal-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: 14px;
}

.modal-error p {
  color: var(--color-danger);
  margin: 0;
  font-size: 13px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

/* ============================================
   Admin Pages
   ============================================ */
.admin-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.admin-header h1 {
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Admin Tables */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.admin-table th,
.admin-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.admin-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-table td.actions {
  display: flex;
  gap: 8px;
}

/* Models Grid */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.model-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.model-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glow-brand);
}

.model-photos {
  height: 200px;
  background: var(--bg-tertiary);
}

.model-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.model-photo-placeholder {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.model-info {
  padding: 20px;
}

.model-info h3 {
  margin-bottom: 4px;
}

.model-name {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 16px;
}

.model-badges {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.model-actions {
  display: flex;
  gap: 8px;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}

.badge-default {
  background: var(--glass-bg);
  color: var(--text-muted);
}

.badge-primary {
  background: rgba(180, 77, 255, 0.2);
  color: var(--color-purple);
}

.badge-success {
  background: rgba(34, 197, 94, 0.2);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-danger);
}

/* Generation Model Badges */
.badge-gen-model {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-gen-banana {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

.badge-gen-seedream {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
}

.history-card-badges {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

/* Admin Form */
.admin-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 32px;
  border-radius: var(--radius-lg);
  max-width: 800px;
}

.current-photo {
  margin-bottom: 16px;
}

.current-photo img {
  max-width: 150px;
  max-height: 150px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

/* Model Access Grid */
.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.model-access-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.model-access-item {
  cursor: pointer;
}

.model-access-item input {
  display: none;
}

.model-access-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  text-align: center;
}

.model-access-item input:checked + .model-access-card {
  border-color: var(--color-purple);
  background: rgba(180, 77, 255, 0.1);
}

.model-access-card:hover {
  border-color: var(--color-purple);
}

.model-access-card img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 8px;
}

.model-access-placeholder {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.model-access-name {
  font-size: 13px;
  font-weight: 500;
}

.model-access-actions {
  display: flex;
  gap: 8px;
}

/* Gen Models Access (admin user form) */
.gen-models-access {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.gen-model-access-item {
  cursor: pointer;
}

.gen-model-access-item input {
  display: none;
}

.gen-model-access-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 24px;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  text-align: center;
}

.gen-model-access-item input:checked + .gen-model-access-card {
  border-color: var(--color-purple);
  background: rgba(180, 77, 255, 0.1);
}

.gen-model-access-card:hover {
  border-color: var(--color-purple);
}

.gen-model-access-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.gen-model-access-desc {
  font-size: 11px;
  color: var(--text-muted);
}

.no-models-hint {
  color: var(--text-muted);
  font-size: 13px;
}

/* Inline Form */
.inline-form {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.inline-form input {
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

.api-key-form-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.api-key-form-section h3 {
  margin-bottom: 16px;
  font-size: 16px;
}

/* No Items */
.no-items {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.4s ease forwards;
}

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

.skeleton {
  background: linear-gradient(90deg, var(--glass-bg) 25%, var(--bg-card-hover) 50%, var(--glass-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading {
  animation: pulse 2s infinite;
}

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

.btn-loading::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .generate-page {
    grid-template-columns: 1fr;
  }

  .generate-sidebar {
    display: none;
  }

  .main-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* -- Navbar: hamburger menu -- */
  .navbar {
    flex-wrap: wrap;
    padding: 8px 16px;
  }

  .nav-brand {
    flex: 1;
  }

  .navbar-logo {
    height: 40px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    gap: 2px;
    padding: 12px 0 4px;
    border-top: 1px solid var(--glass-border);
    margin-top: 8px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links .nav-link {
    padding: 12px 16px;
    width: 100%;
    text-align: left;
    border-radius: var(--radius-sm);
  }

  .nav-user {
    display: none;
    flex-basis: 100%;
    padding: 8px 0;
    border-top: 1px solid var(--glass-border);
  }

  .nav-user.open {
    display: flex;
  }

  /* -- Layout -- */
  .container,
  .generate-main,
  .history-page,
  .admin-page {
    padding: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .shot-type-selector {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .model-selector-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .model-selector-avatar,
  .model-selector-avatar-placeholder {
    width: 56px;
    height: 56px;
  }

  .filters-row {
    flex-direction: column;
  }

  .filter-group {
    width: 100%;
  }

  .history-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .modal-content {
    grid-template-columns: 1fr;
    max-height: 95vh;
    padding: 20px;
  }

  .modal-image {
    max-height: 40vh;
  }

  .modal-overlay {
    padding: 12px;
  }

  /* -- Touch targets -- */
  .btn-sm {
    padding: 10px 16px;
    min-height: 44px;
  }

  .ref-remove,
  .duet-ref-remove {
    display: flex;
  }

  .modal-close {
    width: 44px;
    height: 44px;
    font-size: 28px;
  }

  .lightbox-close {
    width: 44px;
    height: 44px;
    font-size: 28px;
  }

  /* -- iOS input zoom prevention -- */
  input[type="text"],
  input[type="password"],
  input[type="email"],
  input[type="number"],
  textarea,
  select {
    font-size: 16px !important;
  }

  /* -- Admin tables responsive -- */
  .admin-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -16px;
    padding: 0 16px;
  }

  .admin-table {
    min-width: 600px;
  }

  /* -- Login card mobile -- */
  .login-card {
    padding: 28px 20px;
    margin: 0 12px;
  }

  .login-logo img {
    height: 56px;
  }

  /* -- Result image responsive -- */
  .result-image-container img {
    max-height: 60vh;
  }

  /* -- Manual/Duet page padding -- */
  .manual-page,
  .duet-page {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .history-grid {
    grid-template-columns: 1fr;
  }

  .model-selector-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .ratio-selector {
    justify-content: center;
  }

  .shot-type-selector {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Manual Mode
   ============================================ */
.manual-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px;
}

.manual-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manual-textarea {
  min-height: 100px;
  resize: none;
  overflow: hidden;
}

.manual-params {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.param-group {
  flex-shrink: 0;
}

.gen-model-selector.compact {
  gap: 8px;
}

.gen-model-card.compact {
  padding: 10px 18px;
}

.ratio-selector.compact {
  gap: 6px;
}

/* Ref Counter */
.ref-counter {
  float: right;
  font-weight: 400;
  color: var(--text-muted);
  font-size: 13px;
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--glass-bg);
}

.drop-zone:hover {
  border-color: var(--color-purple);
  background: rgba(180, 77, 255, 0.05);
}

.drop-zone-active {
  border-color: var(--color-red) !important;
  background: rgba(255, 61, 61, 0.08) !important;
  box-shadow: var(--glow-red);
}

.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.drop-zone-icon {
  font-size: 32px;
  color: var(--text-muted);
  line-height: 1;
}

.drop-zone-text {
  font-size: 14px;
  color: var(--text-secondary);
}

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

/* Ref Gallery */
.ref-gallery {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
  min-height: 0;
}

.ref-item {
  position: relative;
  width: 90px;
  height: 90px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--glass-border);
  cursor: grab;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.ref-item:hover {
  border-color: var(--color-purple);
}

.ref-dragging {
  opacity: 0.4;
}

.ref-drag-over {
  border-color: var(--color-red) !important;
  box-shadow: var(--glow-red);
}

.ref-badge {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 22px;
  height: 22px;
  background: var(--gradient-brand);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  z-index: 2;
  line-height: 1;
}

.ref-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

.ref-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 28px;
  height: 28px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.ref-item:hover .ref-remove {
  display: flex;
}

.ref-actions {
  margin-top: 8px;
}

/* Session Feed */
.session-feed {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.session-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 16px;
}

.session-card-image {
  width: 200px;
  min-height: 150px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.session-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  border-radius: var(--radius-md);
}

.session-card-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 14px;
  padding: 24px;
}

.session-card-loading .spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--color-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.session-card-error {
  color: var(--color-danger);
  font-size: 13px;
  padding: 16px;
  text-align: center;
}

.session-card-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.session-card-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

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

.session-card-prompt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.session-card-details {
  margin-top: 4px;
}

.session-card-details summary {
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
}

.session-card-details pre {
  font-size: 12px;
  color: var(--text-muted);
  white-space: pre-wrap;
  margin-top: 8px;
}

.session-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  flex-wrap: wrap;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2000;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  backdrop-filter: blur(20px);
}

.toast-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Lightbox */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.lightbox-overlay img {
  max-width: 95%;
  max-height: 95%;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: white;
  font-size: 24px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Ref-based ratio options */
.ratio-card-ref {
  position: relative;
  border-style: dashed !important;
}

.ratio-ref-badge {
  width: 20px;
  height: 20px;
  background: var(--gradient-brand);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.ratio-option-ref input:checked + .ratio-card-ref {
  border-style: solid !important;
}

/* Badge Manual */
.badge-gen-manual {
  background: rgba(168, 85, 247, 0.2);
  color: #a855f7;
}

/* Badge Duet */
.badge-gen-duet {
  background: rgba(236, 72, 153, 0.2);
  color: #ec4899;
}

/* Responsive Manual */
@media (max-width: 768px) {
  .manual-page {
    padding: 16px;
  }

  .manual-params {
    flex-direction: column;
    gap: 16px;
  }

  .ref-gallery {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
  }

  .session-card {
    grid-template-columns: 1fr;
  }

  .session-card-image {
    width: 100%;
    max-height: 300px;
  }

  .lightbox-overlay {
    padding: 8px;
  }
}

/* ============================================
   Duet Mode
   ============================================ */
.duet-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px;
}

.duet-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Person Grid — two columns */
.duet-persons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.duet-person-block {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.duet-person-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.duet-person-label {
  font-size: 16px;
  font-weight: 600;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Source toggle (DB / Manual) */
.duet-source-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.duet-source-btn {
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s ease;
  font-family: inherit;
}

.duet-source-btn.active {
  background: var(--gradient-brand);
  color: white;
}

/* Model dropdown */
.duet-model-select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 12px;
}

.duet-model-select:focus {
  outline: none;
  border-color: var(--color-purple);
}

/* Model ref preview thumbnails */
.duet-model-refs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.duet-model-ref-thumb {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 2px solid var(--glass-border);
}

/* Mini drop zone */
.duet-drop-zone {
  border: 2px dashed var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--glass-bg);
  margin-bottom: 12px;
}

.duet-drop-zone:hover {
  border-color: var(--color-purple);
  background: rgba(180, 77, 255, 0.05);
}

.duet-drop-zone-active {
  border-color: var(--color-red) !important;
  background: rgba(255, 61, 61, 0.08) !important;
}

.duet-drop-zone-text {
  font-size: 13px;
  color: var(--text-muted);
}

/* Mini ref gallery */
.duet-ref-gallery {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.duet-ref-item {
  position: relative;
  width: 70px;
  height: 70px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--glass-border);
}

.duet-ref-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.duet-ref-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 26px;
  height: 26px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
}

.duet-ref-item:hover .duet-ref-remove {
  display: flex;
}

/* Person detail inputs */
.duet-detail-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  margin-bottom: 8px;
}

.duet-detail-input:focus {
  outline: none;
  border-color: var(--color-purple);
}

.duet-detail-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
  display: block;
}

/* Interaction Zone */
.duet-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.duet-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Interaction preset chips */
.duet-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.duet-preset-chip {
  padding: 8px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.duet-preset-chip:hover {
  border-color: var(--color-purple);
  color: var(--text-primary);
}

.duet-preset-chip.active {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.15), rgba(180, 77, 255, 0.15));
  border-color: #ec4899;
  color: #ec4899;
}

/* Background radio toggle */
.duet-bg-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.duet-bg-option {
  cursor: pointer;
}

.duet-bg-option input {
  display: none;
}

.duet-bg-card {
  padding: 8px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.duet-bg-option input:checked + .duet-bg-card {
  border-color: var(--color-purple);
  color: var(--text-primary);
  background: rgba(180, 77, 255, 0.1);
}

/* Settings row */
.duet-settings-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.duet-setting-group {
  flex: 1;
  min-width: 120px;
}

.duet-setting-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: block;
}

.duet-setting-select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
}

.duet-setting-select:focus {
  outline: none;
  border-color: var(--color-purple);
}

/* Responsive Duet */
@media (max-width: 768px) {
  .duet-page {
    padding: 16px;
  }

  .duet-persons {
    grid-template-columns: 1fr;
  }

  .duet-settings-row {
    flex-direction: column;
  }
}