/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
  --primary-color: #4361ee;
  --primary-light: #7209b7;
  --secondary-color: #3f37c9;
  --success-color: #4cc9f0;
  --warning-color: #f72585;
  --text-color: #333;
  --text-light: #666;
  --bg-color: #f8f9fa;
  --card-bg: #fff;
  --border-color: #e0e0e0;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  padding: 20px;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* 头部样式 */
.header {
  margin-bottom: 30px;
  text-align: center;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.logo i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-right: 10px;
}

.logo h1 {
  font-size: 2rem;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.step-number {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background-color: var(--border-color);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-bottom: 5px;
  transition: var(--transition);
}

.step-text {
  font-size: 0.9rem;
  color: var(--text-light);
  transition: var(--transition);
}

.progress-step.active .step-number {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.2);
}

.progress-step.active .step-text {
  color: var(--primary-color);
  font-weight: 500;
}

.progress-line {
  height: 2px;
  background-color: var(--border-color);
  flex: 1;
  max-width: 100px;
}

.progress-step.active ~ .progress-line {
  background-color: var(--primary-color);
}

/* 内容区样式 */
.content {
  margin-bottom: 40px;
}

.step {
  display: none;
}

.step.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 25px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.card-title {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  color: var(--primary-color);
  font-size: 1.4rem;
}

.card-title i {
  margin-right: 10px;
  font-size: 1.5rem;
}

.description {
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.7;
}

/* 表单样式 */
.form-group {
  margin-bottom: 25px;
}

textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  resize: none;
  transition: var(--transition);
}

textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

textarea::placeholder {
  color: var(--text-light);
  opacity: 0.7;
}

/* 按钮样式 */
.action-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
  margin-top: 20px;
}

.btn {
  padding: 12px 24px;
  border-radius: 8px;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn i {
  font-size: 1rem;
}

.primary-btn {
  background-color: var(--primary-color);
  color: white;
}

.primary-btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(67, 97, 238, 0.2);
}

.primary-btn:disabled {
  background-color: var(--border-color);
  color: var(--text-light);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

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

.secondary-btn:hover {
  background-color: #f5f5f5;
  border-color: #d0d0d0;
}

.success-btn {
  background-color: var(--success-color);
  color: white;
}

.success-btn:hover {
  background-color: #3db8e6;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(76, 201, 240, 0.2);
}

/* 选题列表样式 */
.topics-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 15px;
  margin-bottom: 25px;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 10px;
}

.topic-item {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 15px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.topic-item:hover {
  border-color: var(--primary-color);
  background-color: #f0f3ff;
  transform: translateY(-2px);
}

.topic-item.selected {
  border-color: var(--primary-color);
  background-color: #e6edff;
  position: relative;
}

.topic-item.selected::after {
  content: '\f00c';
  font-family: 'FontAwesome';
  position: absolute;
  top: 10px;
  right: 10px;
  color: var(--primary-color);
}

/* 分镜列表样式（完整版） */
.storyboard-header {
  margin-bottom: 20px;
}

/* 批量复制按钮区域 */
.copy-all-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
  gap: 15px;
}

.copy-all-container .info {
  flex: 1;
  min-width: 250px;
}

.copy-all-container h3 {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.copy-all-container p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.copy-all-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.copy-all-buttons .btn {
  padding: 10px 18px;
  font-size: 0.9rem;
}

/* 单个分镜样式 */
.storyboard-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 25px;
  max-height: 600px;
  overflow-y: auto;
  padding-right: 10px;
}

.storyboard-item {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 20px;
  border-left: 4px solid var(--success-color);
  position: relative;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.storyboard-item::before {
  content: attr(data-shotnum);
  position: absolute;
  left: -30px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--success-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: bold;
  box-shadow: 0 2px 4px rgba(76, 201, 240, 0.3);
}

.storyboard-item .shot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
}

.storyboard-item .shot-title {
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1.05rem;
}

.storyboard-item .narration {
  background-color: #e6f7ff;
  border-radius: 6px;
  padding: 12px 15px;
  margin-bottom: 15px;
  border-left: 3px solid #40a9ff;
  font-style: italic;
  color: #096dd9;
  line-height: 1.6;
}

.storyboard-item .narration i {
  margin-right: 8px;
}

.storyboard-item .image-prompt {
  background-color: #f0f8fb;
  border-radius: 6px;
  padding: 15px;
  line-height: 1.8;
  color: #00475f;
  font-size: 0.95rem;
  white-space: pre-line;
}

.storyboard-item .image-prompt strong {
  color: var(--primary-color);
  display: block;
  margin-bottom: 8px;
}

.storyboard-item .action-buttons {
  display: flex;
  gap: 10px;
  margin-top: 15px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.storyboard-item .copy-btn {
  padding: 8px 15px;
  font-size: 0.85rem;
  border-radius: 4px;
  background-color: #f5f5f5;
  border: 1px solid #ddd;
  color: #666;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.storyboard-item .copy-btn:hover {
  background-color: #e8f4f8;
  border-color: #4cc9f0;
  color: #4cc9f0;
}

.storyboard-item .copy-btn.success {
  background-color: #e6fffa;
  border-color: #36cfc9;
  color: #08979c;
}

/* 加载状态样式 */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-light);
  font-size: 1.1rem;
}

.loading i {
  margin-left: 10px;
  font-size: 1.2rem;
}

/* 通知组件样式 */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 25px;
  border-radius: 8px;
  background-color: white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
}

.notification.show {
  opacity: 1;
  transform: translateX(0);
}

.notification.success {
  border-left: 4px solid var(--success-color);
}

.notification.error {
  border-left: 4px solid var(--warning-color);
}

.notification i {
  font-size: 1.2rem;
}

.notification.success i {
  color: var(--success-color);
}

.notification.error i {
  color: var(--warning-color);
}

/* 底部样式 */
.footer {
  text-align: center;
  color: var(--text-light);
  font-size: 0.9rem;
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
}

/* 滚动条样式优化 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

/* 响应式样式 */
@media (max-width: 992px) {
  .copy-all-container {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .copy-all-buttons {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .logo h1 {
    font-size: 1.5rem;
  }

  .progress {
    gap: 10px;
  }

  .step-text {
    font-size: 0.8rem;
  }

  .topics-list {
    grid-template-columns: 1fr;
  }

  .action-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .storyboard-item::before {
    left: -25px;
    width: 24px;
    height: 24px;
    font-size: 0.8rem;
  }

  .storyboard-item .action-buttons {
    justify-content: center;
  }

  .copy-all-buttons {
    flex-direction: column;
  }

  .copy-all-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .card {
    padding: 15px;
  }

  .progress-step {
    margin: 0;
  }

  .step-number {
    width: 30px;
    height: 30px;
    font-size: 0.9rem;
  }

  .progress-line {
    max-width: 50px;
  }

  .storyboard-item {
    padding: 15px;
    margin-left: 10px;
  }

  .storyboard-item::before {
    left: -20px;
  }

  .storyboard-item .narration,
  .storyboard-item .image-prompt {
    padding: 10px;
  }
}