/**
 * 图纸下载插件 - 前端样式
 * 
 * @package Drawing_Download
 */

/* ========== 基础变量 ========== */
:root {
    --dd-primary: #667eea;
    --dd-primary-dark: #5a67d8;
    --dd-success: #48bb78;
    --dd-danger: #e74c3c;
    --dd-warning: #f39c12;
    --dd-info: #3498db;
    --dd-border: #e2e8f0;
    --dd-shadow: rgba(0, 0, 0, 0.1);
    --dd-radius: 8px;
    --dd-radius-sm: 4px;
}

/* ========== 主容器 ========== */
.drawing-download-wrapper {
    position: relative;
    width: 100%;
    margin: 30px 0;
    padding: 25px;
    background: #fff;
    border-radius: var(--dd-radius);
    box-shadow: 0 4px 20px var(--dd-shadow);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ========== 标题区域 ========== */
.drawing-download-header {
    margin-bottom: 20px;
}

.drawing-download-title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
    display: flex;
    align-items: center;
    gap: 10px;
}

.drawing-download-title i {
    color: var(--dd-primary);
    font-size: 24px;
}

.drawing-download-subtitle {
    margin: 8px 0 0 34px;
    font-size: 14px;
    color: #718096;
    font-weight: normal;
}

/* ========== 表格容器 ========== */
.drawing-table-container {
    position: relative;
    overflow-x: auto;
    border-radius: var(--dd-radius);
    border: 1px solid var(--dd-border);
}

/* ========== 主表格 ========== */
.drawing-download-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    min-width: 500px;
}

/* 表头 */
.drawing-download-table thead {
    background: linear-gradient(135deg, var(--dd-primary) 0%, #764ba2 100%);
    color: white;
}

.drawing-download-table thead th {
    padding: 16px 18px;
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
}

.drawing-download-table thead th:first-child {
    border-radius: var(--dd-radius) 0 0 0;
}

.drawing-download-table thead th:last-child {
    border-radius: 0 var(--dd-radius) 0 0;
}

/* 表体 */
.drawing-download-table tbody tr {
    border-bottom: 1px solid var(--dd-border);
    transition: all 0.2s ease;
}

.drawing-download-table tbody tr:hover {
    background: linear-gradient(to right, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.02));
}

.drawing-download-table tbody tr:last-child {
    border-bottom: none;
}

.drawing-download-table tbody tr:last-child td:first-child {
    border-radius: 0 0 0 var(--dd-radius);
}

.drawing-download-table tbody tr:last-child td:last-child {
    border-radius: 0 0 var(--dd-radius) 0;
}

.drawing-download-table tbody td {
    padding: 16px 18px;
    vertical-align: middle;
}

/* ========== 格式标签 ========== */
.drawing-format-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 700;
    color: white;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    text-transform: uppercase;
}

.drawing-format-badge i {
    font-size: 14px;
}

/* ========== 文件信息 ========== */
.drawing-file-name {
    display: block;
    font-weight: 600;
    color: #2d3748;
    font-size: 14px;
    word-break: break-all;
    line-height: 1.4;
}

.drawing-file-size {
    display: block;
    font-size: 12px;
    color: #a0aec0;
    margin-top: 4px;
}

/* ========== 下载按钮 ========== */
.drawing-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--dd-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid currentColor;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    white-space: nowrap;
}

.drawing-download-btn:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    text-decoration: none;
}

.drawing-download-btn:active {
    transform: translateY(-1px);
}

.drawing-download-btn.downloading {
    pointer-events: none;
    opacity: 0.7;
}

.drawing-download-btn i {
    font-size: 18px;
    transition: transform 0.2s;
}

.drawing-download-btn:hover i {
    transform: translateY(2px);
}

/* ========== 提示信息 ========== */
.drawing-notice {
    margin-top: 20px;
    padding: 14px 18px;
    background: #fef3cd;
    border-radius: var(--dd-radius);
    font-size: 14px;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.drawing-notice i {
    margin-right: 8px;
}

.drawing-notice a {
    color: #856404;
    font-weight: 600;
}

.drawing-notice a:hover {
    text-decoration: underline;
}

/* ========== 响应式布局 ========== */
@media (max-width: 768px) {
    .drawing-download-wrapper {
        padding: 20px 15px;
        margin: 20px 0;
    }
    
    .drawing-download-title {
        font-size: 18px;
    }
    
    /* 移动端卡片式布局 */
    .drawing-download-table thead {
        display: none;
    }
    
    .drawing-download-table tbody {
        display: flex;
        flex-direction: column;
        gap: 12px;
        padding: 10px;
    }
    
    .drawing-download-table tbody tr {
        display: flex;
        flex-direction: column;
        padding: 16px;
        border: 1px solid var(--dd-border);
        border-radius: var(--dd-radius);
        background: white;
    }
    
    .drawing-download-table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 0;
        border-bottom: 1px dashed var(--dd-border);
    }
    
    .drawing-download-table tbody td:last-child {
        border-bottom: none;
        padding-top: 14px;
        justify-content: center;
    }
    
    .drawing-download-table tbody td:before {
        content: attr(data-label);
        font-weight: 600;
        color: #718096;
        font-size: 12px;
        text-transform: uppercase;
    }
    
    .drawing-col-format:before { content: "格式" !important; }
    .drawing-col-file:before { content: "文件" !important; }
    .drawing-col-action:before { content: "操作" !important; }
    
    /* 移动端按钮全宽 */
    .drawing-download-btn {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
    }
    
    .drawing-format-badge {
        font-size: 12px;
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .drawing-download-title i {
        font-size: 20px;
    }
    
    .drawing-download-subtitle {
        margin-left: 30px;
    }
    
    .drawing-file-name {
        font-size: 13px;
    }
}

/* ========== 暗色模式支持 ========== */
@media (prefers-color-scheme: dark) {
    .drawing-download-wrapper {
        background: #1a1a2e;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }
    
    .drawing-download-title {
        color: #e2e8f0;
    }
    
    .drawing-download-subtitle {
        color: #a0aec0;
    }
    
    .drawing-table-container {
        border-color: #2d3748;
    }
    
    .drawing-download-table tbody tr {
        border-bottom-color: #2d3748;
    }
    
    .drawing-download-table tbody tr:hover {
        background: rgba(102, 126, 234, 0.1);
    }
    
    .drawing-file-name {
        color: #e2e8f0;
    }
    
    .drawing-download-table tbody td:last-child {
        border-bottom: none;
    }
}

/* ========== 打印样式 ========== */
@media print {
    .drawing-download-wrapper {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .drawing-download-btn {
        border: 1px solid #333;
        color: #333 !important;
        background: none !important;
    }
    
    .drawing-notice {
        display: none;
    }
}