/* ============================================================
   艺视介 — Video Generation Page Styles
   ============================================================ */

/* --- Page --- */
.generate-page {
  min-height: 100dvh;
  background: var(--color-bg);
  padding-bottom: var(--sp-16);
}

/* --- Steps Indicator --- */
.steps-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: var(--sp-6) var(--sp-4);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.step-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  cursor: pointer;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast);
}

.step-item:hover {
  background: var(--color-bg-hover);
}

.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: 700;
  background: var(--color-bg-input);
  color: var(--color-text-muted);
  border: 2px solid var(--color-border);
  transition: all var(--duration-normal);
}

.step-item.active .step-circle,
.step-item.completed .step-circle {
  background: var(--color-accent);
  color: oklch(12% 0.01 80);
  border-color: var(--color-accent);
}

.step-item.completed .step-circle::after {
  content: '✓';
}

.step-label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--duration-fast);
}

.step-item.active .step-label {
  color: var(--color-text-primary);
  font-weight: 600;
}

.step-item.completed .step-label {
  color: var(--color-accent);
}

.step-line {
  width: 48px;
  height: 2px;
  background: var(--color-border);
  flex-shrink: 0;
}

.step-line.completed {
  background: var(--color-accent);
}

/* --- Step Panels --- */
.step-panel {
  display: none;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-4);
}

.step-panel.active {
  display: block;
}

.step-header {
  margin-bottom: var(--sp-8);
}

.step-header .btn {
  margin-bottom: var(--sp-4);
}

.step-title {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--sp-2);
}

.step-desc {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
}

/* --- Step 1: Actor Grid --- */
.gen-search-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-6);
}

.gen-search-bar .search-icon {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.gen-search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--color-text-primary);
  font-size: var(--fs-base);
  font-family: var(--font-body);
}

.gen-search-input::placeholder {
  color: var(--color-text-muted);
}

.gen-type-filters {
  display: flex;
  gap: var(--sp-1);
  flex-shrink: 0;
}

.type-filter {
  padding: var(--sp-1) var(--sp-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: all var(--duration-fast);
  white-space: nowrap;
}

.type-filter:hover {
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.type-filter.active {
  background: var(--color-accent);
  color: oklch(12% 0.01 80);
  border-color: var(--color-accent);
}

.gen-actor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--sp-4);
}

.gen-actor-card {
  background: var(--color-bg-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--duration-normal);
  position: relative;
}

.gen-actor-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.gen-actor-card.selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-glow);
}

.gen-actor-card .card-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  background: var(--color-bg-input);
}

.gen-actor-card .card-body {
  padding: var(--sp-3);
}

.gen-actor-card .card-name {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--sp-1);
}

.gen-actor-card .card-meta {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.gen-actor-card .card-check {
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  color: oklch(12% 0.01 80);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.gen-actor-card.selected .card-check {
  display: flex;
}

/* --- Step 2: Two Col Layout --- */
.two-col-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--sp-6);
  align-items: start;
}

@media (max-width: 1024px) {
  .two-col-layout {
    grid-template-columns: 1fr;
  }
}

/* --- Config Form --- */
.config-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.config-section {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
}

.config-title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--sp-4);
}

.config-title svg {
  color: var(--color-accent);
}

/* --- Selected Actor Card --- */
.selected-actor-card {
  display: flex;
  gap: var(--sp-4);
  align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
}

.selected-actor-card .sac-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--color-bg-input);
  flex-shrink: 0;
}

.selected-actor-card .sac-info {
  flex: 1;
}

.selected-actor-card .sac-name {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text-primary);
}

.selected-actor-card .sac-type {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
}

.selected-actor-card .sac-change {
  flex-shrink: 0;
}

/* --- Scene Options --- */
.scene-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}

.scene-option input { display: none; }

.scene-card {
  padding: var(--sp-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.scene-card:hover {
  border-color: var(--color-text-muted);
}

.scene-option input:checked + .scene-card {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.scene-icon {
  font-size: 28px;
  margin-bottom: var(--sp-2);
}

.scene-name {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--sp-1);
}

.scene-desc {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* --- Usage Description --- */
.usage-input {
  width: 100%;
  min-height: 120px;
  padding: var(--sp-3);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--fs-sm);
  font-family: var(--font-body);
  line-height: 1.7;
  resize: vertical;
  outline: none;
}

.usage-input:focus {
  border-color: var(--color-accent);
}

.usage-input::placeholder {
  color: var(--color-text-muted);
}

.usage-hint {
  margin-top: var(--sp-2);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* --- Contact Grid --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.contact-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.contact-input {
  padding: var(--sp-2) var(--sp-3);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: var(--fs-sm);
  font-family: var(--font-body);
  outline: none;
}

.contact-input:focus {
  border-color: var(--color-accent);
}

/* --- Duration Options --- */
.duration-options {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.duration-option input { display: none; }

.duration-card {
  padding: var(--sp-2) var(--sp-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.duration-card:hover {
  border-color: var(--color-text-muted);
}

.duration-option input:checked + .duration-card {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

/* --- Action Buttons (right side) --- */
.action-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.action-btn {
  width: 100%;
  padding: 14px var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  cursor: pointer;
  transition: all var(--duration-fast);
  border: 1px solid var(--color-border);
}

.action-btn svg {
  flex-shrink: 0;
}

.action-download {
  background: var(--color-accent);
  color: oklch(12% 0.01 80);
  border-color: var(--color-accent);
}

.action-download:hover {
  background: var(--color-accent-hover, oklch(62% 0.3 145));
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.action-buy,
.action-favorite {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

.action-buy:hover,
.action-favorite:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-text-muted);
}

.action-favorite.active {
  border-color: var(--color-error);
  color: var(--color-error);
  background: rgba(239, 68, 68, 0.08);
}

/* --- Fee Preview (Right Side) --- */
.fee-review {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.fee-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
}

.fee-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--sp-4);
}

.fee-items {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.fee-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-sm);
}

.fee-row .fee-label {
  color: var(--color-text-secondary);
}

.fee-row .fee-value {
  color: var(--color-text-primary);
  font-weight: 500;
  font-family: 'DM Sans', monospace;
}

.fee-row.fee-row-total {
  padding-top: var(--sp-3);
  border-top: 1px solid var(--color-border);
}

.fee-row-total .fee-label {
  font-weight: 700;
  color: var(--color-text-primary);
}

.fee-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--color-border);
  margin-bottom: var(--sp-4);
}

.fee-total span:first-child {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
}

.total-price {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-accent);
  font-family: 'DM Sans', monospace;
}

.fee-card .btn-block {
  width: 100%;
}

/* --- Auth Tip --- */
.auth-tip {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  background: oklch(65% 0.16 85 / 0.08);
  border: 1px solid oklch(65% 0.16 85 / 0.2);
  border-radius: var(--radius-md);
  font-size: var(--fs-xs);
  color: var(--color-warning);
  line-height: 1.6;
}

.auth-tip svg {
  flex-shrink: 0;
  margin-top: 1px;
}

/* --- Step 3: Generating --- */
.generating-status {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: var(--sp-8) 0;
}

.gen-progress-visual {
  margin-bottom: var(--sp-8);
}

.progress-ring {
  position: relative;
  display: inline-block;
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-accent);
  font-family: 'DM Sans', monospace;
}

.gen-steps-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  text-align: left;
  margin-bottom: var(--sp-8);
}

.gen-step-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal);
}

.gen-step-item.active {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.gen-step-item.done {
  border-color: var(--color-success);
  opacity: 0.7;
}

.gen-step-icon {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.gen-step-item.active .gen-step-icon {
  color: var(--color-accent);
}

.gen-step-item.done .gen-step-icon {
  color: var(--color-success);
}

.gen-step-info {
  flex: 1;
}

.gen-step-name {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.gen-step-desc {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.gen-step-status {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  min-width: 48px;
  text-align: right;
}

.gen-step-item.active .gen-step-status {
  color: var(--color-accent);
}

.gen-step-item.done .gen-step-status {
  color: var(--color-success);
}

/* --- Step 4: Preview --- */
.preview-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--sp-6);
  align-items: start;
}

@media (max-width: 1024px) {
  .preview-layout {
    grid-template-columns: 1fr;
  }
}

.video-review-area {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.video-player {
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 9/16;
  max-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  color: oklch(60% 0.01 80);
}

.video-placeholder span {
  font-size: var(--fs-sm);
  color: oklch(45% 0.01 80);
}

.video-meta {
  font-size: var(--fs-xs) !important;
  color: oklch(35% 0.01 80) !important;
}

.video-actions {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
}

/* --- Preview Info (Right) --- */
.preview-info {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.preview-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
}

.preview-card h3 {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--color-border);
}

.preview-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-1) 0;
  font-size: var(--fs-sm);
}

.preview-row .pr-label {
  color: var(--color-text-muted);
}

.preview-row .pr-value {
  color: var(--color-text-primary);
  font-weight: 500;
}

.preview-license p {
  font-size: var(--fs-sm);
  color: var(--color-success);
}

.preview-license .btn {
  margin-top: var(--sp-2);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .steps-indicator {
    padding: var(--sp-4) var(--sp-2);
    gap: 0;
  }

  .step-label {
    display: none;
  }

  .step-line {
    width: 24px;
  }

  .gen-search-bar {
    flex-wrap: wrap;
  }

  .gen-type-filters {
    width: 100%;
    overflow-x: auto;
    padding-bottom: var(--sp-2);
  }

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

  .scene-options {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .two-col-layout,
  .preview-layout {
    grid-template-columns: 1fr;
  }

  .fee-review,
  .preview-info {
    position: static;
  }

  .video-player {
    aspect-ratio: 9/16;
    max-height: 50vh;
  }
}