/* 儿童识字报生成器 - 样式表 */

/* ===== 基础重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #FF6B6B;
  --primary-hover: #FF5252;
  --secondary-color: #4ECDC4;
  --accent-color: #FFE66D;
  --bg-color: #F7F9FC;
  --card-bg: #FFFFFF;
  --text-primary: #2C3E50;
  --text-secondary: #7F8C8D;
  --border-color: #E0E6ED;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --radius: 16px;
}

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 40px 20px;
  color: var(--text-primary);
}

.container {
  max-width: 700px;
  margin: 0 auto;
}

/* ===== 标题区域 ===== */
.header {
  text-align: center;
  margin-bottom: 32px;
}

.header h1 {
  font-size: 2.2rem;
  color: white;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
  margin-bottom: 8px;
}

.header p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
}

/* ===== 主卡片 ===== */
.main-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  margin-bottom: 24px;
}

/* ===== API 设置卡片 ===== */
.api-card {
  border: 2px dashed var(--border-color);
  background: #FAFBFC;
}

.api-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.api-header h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.api-status {
  font-size: 0.9rem;
  padding: 4px 12px;
  border-radius: 20px;
}

.api-status.success {
  background: #E8F8F0;
  color: #2ECC71;
}

.api-status.error {
  background: #FFEBEE;
  color: var(--primary-color);
}

.api-input-row {
  display: flex;
  gap: 10px;
}

.api-input-row input {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
}

.api-input-row input:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 4px rgba(78, 205, 196, 0.15);
}

.btn-save {
  padding: 14px 24px;
  background: var(--secondary-color);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-save:hover {
  background: #3DBDB5;
}

.btn-delete {
  padding: 6px 14px;
  background: #FF6B6B;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-left: 10px;
}

.btn-delete:hover {
  background: #FF5252;
}

.api-status-area {
  display: flex;
  align-items: center;
}

/* ===== 表单样式 ===== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-group label .required {
  color: var(--primary-color);
}

.form-group input[type="text"] {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: #FAFBFC;
}

.form-group input[type="text"]:focus {
  outline: none;
  border-color: var(--secondary-color);
  background: white;
  box-shadow: 0 0 0 4px rgba(78, 205, 196, 0.15);
}

.form-group input[type="text"]::placeholder {
  color: #B0BEC5;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

.form-hint em {
  color: var(--secondary-color);
  font-style: normal;
  cursor: help;
}

/* ===== 场景选择 ===== */
.scene-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.scene-tag {
  padding: 6px 14px;
  background: #F0F4F8;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.scene-tag:hover {
  background: var(--secondary-color);
  color: white;
}

/* ===== 参数选项 ===== */
.param-row {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.param-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.param-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.param-select {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-size: 0.95rem;
  background: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

.param-select:focus {
  outline: none;
  border-color: var(--secondary-color);
}

@media (max-width: 500px) {
  .param-row {
    flex-direction: column;
    gap: 12px;
  }
}

.scene-tag.active {
  background: var(--primary-color);
  color: white;
}

/* ===== 按钮 ===== */
.btn-primary {
  width: 100%;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.5);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ===== 状态显示 ===== */
.status-bar {
  margin-top: 20px;
  padding: 16px;
  border-radius: 12px;
  text-align: center;
  font-weight: 500;
}

.status.idle {
  background: #F0F4F8;
  color: var(--text-secondary);
}

.status.creating,
.status.polling {
  background: linear-gradient(135deg, #667eea22, #764ba222);
  color: #667eea;
  animation: pulse 2s infinite;
}

.status.success {
  background: linear-gradient(135deg, #4ECDC422, #4ECDC422);
  color: #2ECC71;
}

.status.error {
  background: linear-gradient(135deg, #FF6B6B22, #FF6B6B22);
  color: var(--primary-color);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ===== 进度条 ===== */
.progress-container {
  margin-top: 12px;
}

.progress-bar-wrapper {
  background: #E8EDF3;
  border-radius: 10px;
  height: 24px;
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #667eea, #764ba2);
  border-radius: 10px;
  transition: width 0.4s ease;
  min-width: 0;
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.progress-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  transition: left 0.4s ease;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

/* ===== 错误提示 ===== */
.error-message {
  background: #FFF5F5;
  border: 1px solid #FFCCCC;
  color: var(--primary-color);
  padding: 12px 16px;
  border-radius: 10px;
  margin-top: 16px;
  font-size: 0.9rem;
  display: none;
}

/* ===== 提示词预览 ===== */
.prompt-preview {
  background: #F8F9FA;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  margin-top: 20px;
  display: none;
}

.prompt-preview h4 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.prompt-preview pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 0.85rem;
  color: var(--text-primary);
  max-height: 300px;
  overflow-y: auto;
  font-family: 'Consolas', 'Monaco', monospace;
}

/* ===== 结果区域 ===== */
.result-area {
  margin-top: 24px;
  display: none;
}

.result-success {
  text-align: center;
}

.result-success h3 {
  color: #2ECC71;
  margin-bottom: 16px;
  font-size: 1.3rem;
}

.result-image {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.download-btn {
  display: inline-block;
  padding: 12px 32px;
  background: var(--secondary-color);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: #3DBDB5;
  transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.footer {
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  margin-top: 20px;
}

.footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

/* ===== 加载动画 ===== */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

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

/* ===== 响应式 ===== */
@media (max-width: 600px) {
  body {
    padding: 20px 12px;
  }

  .main-card {
    padding: 24px 20px;
  }

  .header h1 {
    font-size: 1.8rem;
  }

  .scene-suggestions {
    gap: 6px;
  }

  .scene-tag {
    padding: 5px 10px;
    font-size: 0.8rem;
  }
}