:root {
  --bg-main: #0d1117;
  --bg-card: #161b22;
  --bg-panel: #21262d;
  --bg-hover: #30363d;
  --border-subtle: #30363d;
  --border-focus: #58a6ff;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-primary: #7928ca;
  --accent-secondary: #ff0080;
  --accent-gradient: linear-gradient(135deg, #7928ca 0%, #ff0080 100%);
  --success: #238636;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  font-size: 1.8rem;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-badge {
  font-size: 0.75rem;
  background: var(--accent-gradient);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  vertical-align: middle;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.status-indicator.online {
  background-color: #3fb950;
  box-shadow: 0 0 8px rgba(63, 185, 80, 0.4);
}

/* SSO / Auth Bar */
.auth-section {
  display: flex;
  align-items: center;
  min-height: 40px;
}

.google-signin-wrapper {
  display: flex;
  align-items: center;
}

.user-profile-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  box-shadow: var(--shadow-sm);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-primary);
}

.user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-primary);
  letter-spacing: 0.5px;
}

.btn-xs {
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Studio Container */
.studio-container {
  max-width: 1600px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 320px 1fr 480px;
  gap: 1.5rem;
  flex: 1;
}

@media (max-width: 1200px) {
  .studio-container {
    grid-template-columns: 1fr;
  }
}

.studio-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-header h2 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
}

.panel-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.step-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  color: var(--text-secondary);
}

/* Upload Zones */
.upload-zone {
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: rgba(255, 255, 255, 0.01);
}

.upload-zone:hover {
  border-color: var(--border-focus);
  background-color: rgba(255, 255, 255, 0.03);
}

.upload-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.person-preview-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.person-preview-container img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.person-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Saved Subjects */
.recent-subjects-section h3 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.subject-thumbnails-row {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.subject-thumb {
  width: 54px;
  height: 72px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  object-fit: cover;
}

.subject-thumb.active {
  border-color: var(--border-focus);
}

/* Filter Chips */
.filter-chips {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.chip {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip:hover, .chip.active {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

/* Garment Grid */
.garment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.85rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 0.3rem;
}

.garment-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: transform 0.15s, border-color 0.15s;
}

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

.garment-card.selected {
  border-color: #ff0080;
  box-shadow: 0 0 10px rgba(255, 0, 128, 0.3);
}

.garment-card img {
  width: 100%;
  height: 110px;
  object-fit: contain;
  padding: 6px;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 70%, transparent 100%);
}

.garment-card-info {
  padding: 0.5rem;
}

.garment-card-title {
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.garment-card-tag {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* Outfit Shelf */
.outfit-shelf {
  background-color: var(--bg-panel);
  border-radius: var(--radius-md);
  padding: 1rem;
  border: 1px solid var(--border-subtle);
}

.shelf-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.shelf-header h3 {
  font-size: 0.85rem;
  font-weight: 600;
}

.empty-shelf-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

.shelf-items-list {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
}

.shelf-item-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

/* Canvas Viewport */
.canvas-viewport {
  position: relative;
  background-color: #05070a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
}

#tryonCanvas {
  max-width: 100%;
  max-height: 520px;
  object-fit: contain;
  display: block;
}

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 17, 23, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 10;
}

.spinner {
  width: 42px;
  height: 42px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent-secondary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Buttons */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: background 0.15s, opacity 0.15s;
  border: none;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
}

.btn-secondary {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }
.btn-link { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 0.75rem; }

.canvas-action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.render-options {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.result-banner {
  background-color: var(--bg-panel);
  border-left: 4px solid var(--accent-secondary);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

.modal-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 480px;
  padding: 1.75rem;
  z-index: 10;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.close-modal-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

.form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.form-group input, .form-group select {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  color: var(--text-primary);
  font-family: inherit;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}