:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-elevated: #1c1c28;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #8b5cf6;
  --accent-hover: #a78bfa;
  --accent-glow: rgba(139, 92, 246, 0.25);
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --radius: 12px;
  --radius-lg: 16px;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 10%, rgba(139, 92, 246, 0.12), transparent),
    radial-gradient(ellipse 50% 30% at 80% 80%, rgba(59, 130, 246, 0.08), transparent);
}

.layout {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 999px;
  padding: 0.35rem 1rem;
  margin-bottom: 1rem;
}

.header__title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header__subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}

.steps {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.step__num {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-elevated);
}

.step.active {
  color: var(--text-primary);
  border-color: rgba(139, 92, 246, 0.5);
  background: rgba(139, 92, 246, 0.1);
}

.step.active .step__num {
  background: var(--accent);
  color: #fff;
}

.step.completed {
  color: var(--success);
  border-color: rgba(34, 197, 94, 0.3);
}

.step.completed .step__num {
  background: var(--success);
  color: #fff;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.card__desc {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: 0 0 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-grid .span-2 {
  grid-column: span 2;
}

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-grid .span-2 {
    grid-column: span 1;
  }
}

.field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.field-input,
.field-textarea,
.field-select {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  padding: 0.65rem 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

.field-input:focus,
.field-textarea:focus,
.field-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.field-textarea {
  resize: vertical;
  min-height: 80px;
}

.field-textarea--mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

.field-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='%23a1a1aa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  padding: 0.7rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

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

.btn--primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

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

.btn--secondary:hover:not(:disabled) {
  border-color: var(--border-hover);
  background: #22222f;
}

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

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.status-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.65rem 1.5rem;
  font-size: 0.8rem;
  text-align: center;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  z-index: 100;
}

.status-bar[data-type='error'] {
  color: var(--error);
  border-top-color: rgba(239, 68, 68, 0.3);
}

.status-bar[data-type='success'] {
  color: var(--success);
  border-top-color: rgba(34, 197, 94, 0.3);
}

.hidden {
  display: none !important;
}

.slides-grid {
  display: grid;
  gap: 1rem;
}

.slide-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.slide-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.slide-card__number {
  font-weight: 600;
  font-size: 0.9rem;
}

.slide-card__badge {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.slide-card__badge--cover {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.25);
}

.slide-card__badge--split {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
  border-color: rgba(34, 197, 94, 0.25);
}

.slide-card__badge--text {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-hover);
  border-color: rgba(139, 92, 246, 0.25);
}

.slide-card__prompt {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.slide-card__prompt summary {
  cursor: pointer;
  user-select: none;
}

.slide-card__prompt textarea {
  margin-top: 0.5rem;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.result-placeholder {
  aspect-ratio: 4/5;
  background: var(--bg-elevated);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.style-guide {
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.style-guide__label {
  display: block;
  margin-bottom: 0.5rem;
}

.field-label--row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  user-select: none;
}

.field-checkbox {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.field-hint {
  margin: 0.4rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.loading-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.spinner {
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.btn--loading {
  opacity: 0.7;
  pointer-events: none;
}

.error-block {
  padding: 1.25rem;
  border-radius: var(--radius);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
  font-size: 0.9rem;
}

.progress-block {
  margin-bottom: 1.25rem;
}

.progress-bar-track {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 999px;
  transition: width 0.4s ease;
}

.progress-text {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.result-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.result-card__image-wrap {
  width: 100%;
  background: #000;
}

.result-card--portrait .result-card__image-wrap {
  aspect-ratio: 4/5;
}

.result-card--square .result-card__image-wrap {
  aspect-ratio: 1/1;
}

.result-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.result-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
}

.result-card__title {
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn--sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  flex-shrink: 0;
}