/* ============================================
   内容分享 WebUI - 样式表
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* ============================================
   通用组件
   ============================================ */

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: #4a90d9;
    color: white;
}

.btn-primary:hover {
    background: #3a7bc8;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-small {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-copy {
    background: #28a745;
    color: white;
}

.btn-copy:hover {
    background: #218838;
}

.btn-logout {
    background: transparent;
    color: #666;
    border: 1px solid #ddd;
}

.btn-logout:hover {
    background: #f0f0f0;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #4a90d9;
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
}

.form-group .hint {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: #888;
}

.custom-link-input {
    display: flex;
    align-items: center;
}

.custom-link-input .prefix {
    background: #e9ecef;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-right: none;
    border-radius: 6px 0 0 6px;
    color: #666;
    font-size: 14px;
}

.custom-link-input input {
    border-radius: 0 6px 6px 0;
    flex: 1;
}

.message {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 14px;
}

.message.success {
    background: #d4edda;
    color: #155724;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 15px;
}

/* ============================================
   登录页面
   ============================================ */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-container h1 {
    color: #333;
    margin-bottom: 10px;
}

.login-container .subtitle {
    color: #888;
    margin-bottom: 30px;
}

.login-container .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* ============================================
   管理界面
   ============================================ */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.header h1 {
    font-size: 20px;
    color: #333;
}

.main-container {
    display: flex;
    min-height: calc(100vh - 60px);
    gap: 20px;
    padding: 20px;
}

/* 左侧面板 */
.left-panel {
    flex: 6;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.left-panel h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 18px;
}

/* 右侧面板 */
.right-panel {
    flex: 4;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.config-section,
.history-section {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.config-section h2,
.history-section h2 {
    margin-bottom: 15px;
    color: #333;
    font-size: 16px;
}

/* 结果显示区 */
.result-box {
    margin-top: 20px;
    padding: 20px;
    background: #e8f5e9;
    border-radius: 8px;
    border: 1px solid #c8e6c9;
}

.result-box h3 {
    margin-bottom: 15px;
    color: #2e7d32;
    font-size: 16px;
}

.link-container {
    display: flex;
    gap: 10px;
}

.link-container input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    background: white;
}

.copy-hint {
    margin-top: 10px;
    color: #2e7d32;
    font-size: 14px;
}

/* 历史记录 */
.history-list {
    max-height: 400px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid #eee;
    gap: 10px;
}

.history-item:last-child {
    border-bottom: none;
}

.history-info {
    flex: 1;
    min-width: 0;
}

.history-title {
    display: block;
    font-weight: 500;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-date {
    display: block;
    font-size: 12px;
    color: #888;
}

.history-actions {
    display: flex;
    gap: 5px;
    flex-shrink: 0;
}

.no-history {
    color: #888;
    text-align: center;
    padding: 20px;
}

/* ============================================
   查看页面
   ============================================ */

.view-page {
    min-height: 100vh;
    background: #f5f7fa;
    padding: 40px 20px;
}

.view-container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.view-header {
    padding: 25px 30px;
    border-bottom: 1px solid #eee;
}

.view-header h1 {
    color: #333;
    font-size: 24px;
    margin-bottom: 5px;
}

.view-meta {
    color: #888;
    font-size: 14px;
}

.view-content {
    padding: 30px;
}

.view-content pre {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
}

.view-footer {
    padding: 15px 30px;
    background: #f8f9fa;
    text-align: center;
    font-size: 13px;
    color: #888;
}

/* ============================================
   响应式布局
   ============================================ */

@media (max-width: 900px) {
    .main-container {
        flex-direction: column;
    }
    
    .left-panel,
    .right-panel {
        flex: none;
        width: 100%;
    }
    
    .history-actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 500px) {
    .header {
        padding: 12px 15px;
    }
    
    .header h1 {
        font-size: 16px;
    }
    
    .main-container {
        padding: 10px;
    }
    
    .left-panel,
    .config-section,
    .history-section {
        padding: 15px;
    }
    
    .login-container {
        padding: 30px 20px;
        margin: 15px;
    }
}