/* 创作页样式 */
.create-page {
  flex: 1; padding: 24px; max-width: 1400px; margin: 0 auto; width: 100%;
}
.create-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.create-form { max-width: 600px; }
.create-preview {
  position: sticky; top: calc(var(--header-height) + 24px);
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--border-radius); padding: 24px; min-height: 400px;
}
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; font-size: var(--font-size-base); font-weight: 600;
  color: var(--color-text); margin-bottom: 8px;
}
.form-textarea {
  width: 100%; min-height: 100px; padding: 12px; border: 1px solid var(--color-border);
  border-radius: var(--border-radius); resize: vertical; font-size: var(--font-size-base);
  outline: none; transition: border-color 0.2s;
}
.form-textarea:focus { border-color: var(--color-primary); }
.style-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px;
}
.style-card {
  padding: 10px 8px; border: 1px solid var(--color-border); border-radius: var(--border-radius);
  text-align: center; cursor: pointer; transition: all 0.2s; background: var(--color-bg);
}
.style-card:hover { border-color: var(--color-primary); }
.style-card.selected { border-color: var(--color-primary); background: var(--color-primary); color: white; }
.style-card .style-card-icon { font-size: 20px; margin-bottom: 4px; }
.style-card .style-card-name { font-size: 11px; line-height: 1.3; }
.size-options { display: flex; flex-wrap: wrap; gap: 8px; }
.size-option {
  padding: 8px 16px; border: 1px solid var(--color-border); border-radius: var(--border-radius);
  cursor: pointer; font-size: var(--font-size-sm); transition: all 0.2s; background: var(--color-bg);
}
.size-option:hover { border-color: var(--color-primary); }
.size-option.selected { border-color: var(--color-primary); background: var(--color-primary); color: white; }
.advanced-toggle {
  background: none; border: none; color: var(--color-text-secondary); font-size: var(--font-size-sm);
  cursor: pointer; padding: 4px 0; display: flex; align-items: center; gap: 4px;
}
.advanced-toggle:hover { color: var(--color-text); }
.advanced-settings { display: none; margin-top: 12px; }
.advanced-settings.show { display: block; }
.slider-group { margin-bottom: 16px; }
.slider-group label { display: flex; justify-content: space-between; font-size: var(--font-size-sm); margin-bottom: 4px; }
.slider-group input[type="range"] { width: 100%; accent-color: var(--color-primary); }
.slider-group input[type="number"] {
  width: 100%; padding: 8px; border: 1px solid var(--color-border);
  border-radius: var(--border-radius); outline: none;
}
.btn-generate {
  width: 100%; padding: 14px; font-size: var(--font-size-lg); font-weight: 600;
  background: var(--color-primary); color: var(--color-white); border: none;
  border-radius: var(--border-radius); cursor: pointer; transition: all 0.2s;
}
.btn-generate:hover { background: var(--color-primary-hover); }
.btn-generate:disabled { opacity: 0.5; cursor: not-allowed; }
.preview-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 300px; color: var(--color-text-muted);
}
.preview-placeholder .placeholder-icon { font-size: 48px; margin-bottom: 12px; }
.preview-image { width: 100%; border-radius: var(--border-radius); margin-bottom: 16px; }
.preview-status { text-align: center; padding: 30px 20px; }

/* 进度容器 */
.gen-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.gen-progress-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.gen-progress-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.gen-progress-title .loading-spinner {
  width: 20px;
  height: 20px;
  border-width: 2px;
  margin: 0;
}

/* 进度条 */
.gen-progress-bar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.gen-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--color-divider);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.gen-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #555);
  border-radius: 3px;
  transition: width 0.5s ease;
  position: relative;
}
.gen-progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: progressShimmer 1.5s ease-in-out infinite;
}
@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.gen-progress-percent {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 36px;
  text-align: right;
}

/* 步骤列表 */
.gen-steps {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0;
  text-align: left;
}
.gen-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  position: relative;
}
.gen-step + .gen-step {
  margin-top: -4px;
}
.gen-step.active {
  background: var(--color-bg-secondary);
}
.gen-step.completed {
  opacity: 0.7;
}
.gen-step.pending {
  opacity: 0.4;
}

/* 步骤图标 */
.gen-step-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: all 0.3s ease;
  position: relative;
}
.gen-step.pending .gen-step-icon {
  background: var(--color-divider);
  color: var(--color-text-muted);
}
.gen-step.active .gen-step-icon {
  background: var(--color-primary);
  color: var(--color-white);
}
.gen-step.completed .gen-step-icon {
  background: rgba(39, 174, 96, 0.12);
  color: var(--color-text);
  border: 1.5px solid rgba(39, 174, 96, 0.4);
}

/* 活跃步骤的脉冲动画 */
.gen-step.active .gen-step-icon::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  animation: stepPulse 1.5s ease-in-out infinite;
}
@keyframes stepPulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.15); }
}

/* 活跃步骤的内嵌旋转动画 */
.gen-step-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}
.gen-step.active .gen-step-spinner {
  display: block;
}

/* 步骤文本 */
.gen-step-content {
  flex: 1;
  min-width: 0;
}
.gen-step-title {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
}
.gen-step.pending .gen-step-title {
  color: var(--color-text-muted);
}
.gen-step-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
  line-height: 1.4;
}
.gen-step.active .gen-step-desc {
  color: var(--color-text-secondary);
}

/* 步骤之间的连接线 */
.gen-step-connector {
  width: 2px;
  height: 8px;
  background: var(--color-divider);
  margin-left: 31px;
  transition: background 0.3s;
}
.gen-step-connector.completed {
  background: #27ae60;
}

/* 已用时 */
.gen-progress-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.preview-prompt {
  margin-top: 12px; padding: 12px; background: var(--color-bg-secondary);
  border-radius: var(--border-radius); font-size: var(--font-size-sm);
  color: var(--color-text-secondary); max-height: 120px; overflow-y: auto;
}
.preview-actions { display: flex; gap: 8px; margin-top: 16px; }
.preview-actions .btn { flex: 1; }
@media (max-width: 1024px) {
  .create-layout { grid-template-columns: 1fr; }
  .create-preview { position: static; }
}

/* 移动端优化 */
@media (max-width: 768px) {
  .create-page {
    padding: 16px;
  }
  .create-form {
    max-width: 100%;
  }
  .style-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }
  .style-card {
    padding: 8px 6px;
  }
  .style-card .style-card-icon {
    font-size: 18px;
  }
  .style-card .style-card-name {
    font-size: 10px;
  }
  .size-options {
    gap: 6px;
  }
  .size-option {
    padding: 6px 12px;
    font-size: 12px;
  }
  .btn-generate {
    padding: 12px;
    font-size: 16px;
  }
  .create-preview {
    padding: 16px;
    min-height: 300px;
  }
  .preview-placeholder {
    min-height: 200px;
  }
  .preview-placeholder .placeholder-icon {
    font-size: 36px;
  }
}

@media (max-width: 480px) {
  .create-page {
    padding: 12px;
  }
  .style-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-textarea {
    min-height: 80px;
  }
  .gen-step {
    padding: 10px 12px;
  }
  .gen-step-icon {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }
  .gen-step-title {
    font-size: 13px;
  }
}