/* ═══════════════════════════════════════════
   机型库 - 全局样式
   ═══════════════════════════════════════════ */

/* ─── CSS 变量 ─────────────────────────── */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --success-light: #dcfce7;
    --warning: #ea580c;
    --warning-light: #fff7ed;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --transition: 0.2s ease;
}

/* ─── 基础重置 ─────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
                 Arial, sans-serif;
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ─── 头部导航 ─────────────────────────── */
.header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header .container {
    display: flex;
    align-items: center;
    height: 60px;
    gap: 24px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900) !important;
    white-space: nowrap;
}

.nav {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.nav-link:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
}

.header-stats {
    margin-left: auto;
    display: flex;
    gap: 10px;
}

.stat-badge {
    padding: 4px 12px;
    background: var(--gray-100);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--gray-600);
    white-space: nowrap;
}

/* ─── 筛选栏 ───────────────────────────── */
.filter-bar {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 0;
}

.filter-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.search-box {
    display: flex;
    flex: 1;
    min-width: 250px;
}

.search-box input {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid var(--gray-200);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition);
}

.search-box input:focus {
    border-color: var(--primary);
}

.search-box button {
    padding: 10px 20px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background var(--transition);
}

.search-box button:hover {
    background: var(--primary-dark);
}

.filter-options {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-options select {
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--gray-700);
    background: #fff;
    cursor: pointer;
    outline: none;
}

.filter-options select:focus {
    border-color: var(--primary);
}

.btn-clear {
    padding: 8px 14px;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    transition: all var(--transition);
}

.btn-clear:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

/* ─── 主内容区 ─────────────────────────── */
.main {
    flex: 1;
    padding: 28px 20px;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--gray-900);
}

/* ─── 设备卡片网格 ─────────────────────── */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
}

.device-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.device-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: transform var(--transition);
}

.device-card:hover .card-image img {
    transform: scale(1.05);
}

.card-image-placeholder {
    font-size: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
}

.card-image-placeholder.large {
    font-size: 8rem;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--gray-100);
    border-radius: var(--radius);
}

.card-body {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--gray-500);
}

.card-brand {
    padding: 2px 8px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 4px;
    font-weight: 500;
}

.card-date {
    color: var(--gray-400);
}

.card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

.spec-tag {
    padding: 3px 8px;
    background: var(--gray-100);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--gray-600);
}

.card-price {
    margin-top: auto;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--danger);
}

/* ─── 分页 ─────────────────────────────── */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 32px;
}

.page-btn {
    padding: 8px 14px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--gray-600);
    transition: all var(--transition);
}

.page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.page-info {
    text-align: center;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* ─── 空状态 ───────────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state.small {
    padding: 30px 20px;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.empty-state h2 {
    font-size: 1.3rem;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 20px;
}

/* ─── 按钮 ─────────────────────────────── */
.btn-primary {
    display: inline-block;
    padding: 10px 24px;
    background: var(--primary);
    color: #fff !important;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    cursor: pointer;
    transition: background var(--transition);
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    display: inline-block;
    padding: 10px 24px;
    background: #fff;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-secondary:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
}

/* ─── 设备详情 ─────────────────────────── */
.breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.9rem;
    color: var(--gray-400);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--gray-500);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .current {
    color: var(--gray-700);
    font-weight: 500;
}

.device-header {
    display: flex;
    gap: 32px;
    background: #fff;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    align-items: center;
}

.device-header-img {
    width: 280px;
    height: 280px;
    flex-shrink: 0;
    background: var(--gray-100);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.device-header-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
}

.device-header-info {
    flex: 1;
}

.device-header-info h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.device-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tag {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tag.brand {
    background: var(--primary-light);
    color: var(--primary);
}

.tag.date {
    background: var(--success-light);
    color: var(--success);
}

.tag.status {
    background: var(--warning-light);
    color: var(--warning);
}

.device-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--danger);
    margin-bottom: 8px;
}

.device-model {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* 参数区块 */
.spec-section h2 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.spec-group {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

.spec-group h3 {
    font-size: 1rem;
    color: var(--gray-700);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-100);
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}

.spec-item {
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.spec-label {
    font-size: 0.78rem;
    color: var(--gray-400);
    text-transform: uppercase;
}

.spec-value {
    font-size: 0.93rem;
    color: var(--gray-800);
    font-weight: 500;
}

.source-info {
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 24px;
}

.source-info a {
    margin-left: 8px;
}

.related-section h2 {
    font-size: 1.15rem;
    color: var(--gray-900);
    margin-bottom: 16px;
}

/* ─── 管理后台 ─────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-number.status-running { color: var(--warning); }
.stat-number.status-error { color: var(--danger); }
.stat-number.status-idle { color: var(--success); }

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.admin-section {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.admin-section h2 {
    font-size: 1.1rem;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.control-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.crawl-msg {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.crawl-info {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--gray-400);
}

.brand-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.brand-btn {
    padding: 8px 16px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
}

.brand-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 2px solid var(--gray-200);
    color: var(--gray-500);
    font-weight: 500;
    font-size: 0.8rem;
    white-space: nowrap;
}

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.data-table tr:hover td {
    background: var(--gray-50);
}

.status-tag {
    font-size: 0.85rem;
}

.status-tag.status-completed { color: var(--success); }
.status-tag.status-running { color: var(--warning); }
.status-tag.status-failed { color: var(--danger); }
.status-tag.status-pending { color: var(--gray-400); }

/* ─── 错误页 ───────────────────────────── */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 40px 20px;
}

.error-code {
    font-size: 6rem;
    font-weight: 800;
    color: var(--gray-200);
    line-height: 1;
    margin-bottom: 8px;
}

.error-page h1 {
    font-size: 1.5rem;
    color: var(--gray-700);
    margin-bottom: 12px;
}

.error-page p {
    color: var(--gray-500);
    margin-bottom: 24px;
    max-width: 400px;
}

/* ─── 底部 ─────────────────────────────── */
.footer {
    background: #fff;
    border-top: 1px solid var(--gray-200);
    padding: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-top: auto;
}

/* ─── 响应式 ───────────────────────────── */
@media (max-width: 768px) {
    .header .container {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 0;
        gap: 8px;
    }

    .header-stats {
        width: 100%;
        justify-content: flex-start;
    }

    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        min-width: auto;
    }

    .filter-options {
        flex-wrap: wrap;
    }

    .device-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }

    .device-header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .device-header-img {
        width: 200px;
        height: 200px;
    }

    .device-tags {
        justify-content: center;
    }

    .spec-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stats-row {
        grid-template-columns: 1fr 1fr;
    }
}