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

:root {
    --primary: #1a56db;
    --primary-dark: #1347b8;
    --primary-light: #e8effc;
    --success: #059669;
    --success-light: #ecfdf5;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --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: 8px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 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);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    font-size: 14px;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.15s;
}

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

/* ===== 导航栏 ===== */
.navbar {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 32px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.navbar .brand {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
}

.navbar .brand-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
}

.navbar .nav-links {
    display: flex;
    gap: 4px;
}

.navbar .nav-links a {
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 6px;
    transition: all 0.15s;
}

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

.navbar .nav-links a.active {
    color: var(--primary);
    background: var(--primary-light);
}

.navbar .user-info {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--gray-600);
}

.navbar .user-info .divider {
    width: 1px;
    height: 20px;
    background: var(--gray-200);
}

.navbar .user-info a {
    color: var(--gray-500);
    font-size: 13px;
}

.navbar .user-info a:hover {
    color: var(--danger);
}

/* ===== 容器 ===== */
.container {
    max-width: 1200px;
    margin: 28px auto;
    padding: 0 32px;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    letter-spacing: -0.01em;
}

.page-header p {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ===== 卡片 ===== */
.card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.card h2 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--gray-900);
    letter-spacing: -0.01em;
}

/* ===== 表格 ===== */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead {
    background: var(--gray-50);
}

th {
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

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

tr:hover {
    background: var(--gray-50);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
}

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

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

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

.btn-success:hover {
    background: #047857;
}

.btn-warning {
    background: var(--warning);
    color: #fff;
}

.btn-warning:hover {
    background: #b45309;
}

.btn-danger {
    background: #fff;
    color: var(--danger);
    border: 1px solid #fecaca;
}

.btn-danger:hover {
    background: var(--danger-light);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 4px;
}

.btn-outline {
    background: #fff;
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-group {
    display: flex;
    gap: 6px;
}

/* ===== 表单 ===== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    color: var(--gray-800);
    background: #fff;
    transition: all 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}

/* ===== 状态标签 ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.6;
}

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

.status-processing {
    background: var(--primary-light);
    color: var(--primary);
}

.status-shipped {
    background: #ede9fe;
    color: #7c3aed;
}

.status-completed {
    background: var(--success-light);
    color: var(--success);
}

.status-cancelled {
    background: var(--danger-light);
    color: var(--danger);
}

/* ===== 统计卡片 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
}

.stat-card .stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.stat-card.primary .stat-value { color: var(--primary); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger  .stat-value { color: var(--danger); }

.stat-card .stat-sub {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
}

/* ===== 搜索栏 ===== */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.search-bar .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 140px;
}

.search-bar .form-group label {
    font-size: 11px;
    margin-bottom: 4px;
}

.search-bar .form-group input,
.search-bar .form-group select {
    padding: 6px 10px;
    font-size: 13px;
}

/* ===== 登录页 ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--gray-50);
}

.login-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 48px 44px;
    width: 400px;
    box-shadow: var(--shadow-md);
}

.login-card h1 {
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.login-card .subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 13px;
    margin-bottom: 36px;
}

.login-card .btn {
    width: 100%;
    padding: 10px 0;
    font-size: 14px;
    font-weight: 600;
    margin-top: 12px;
}

.login-card .form-group input {
    padding: 10px 12px;
}

.login-error {
    background: var(--danger-light);
    border: 1px solid #fecaca;
    color: var(--danger);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 20px;
}

/* ===== 消息提示 ===== */
.flash-messages {
    margin-bottom: 16px;
}

.flash-msg {
    padding: 10px 16px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flash-success {
    background: var(--success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.flash-error {
    background: var(--danger-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.flash-close {
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    margin-left: 12px;
    color: inherit;
    opacity: 0.5;
}

.flash-close:hover {
    opacity: 1;
}

/* ===== 订单详情 ===== */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 32px;
}

.detail-item {
    padding: 8px 0;
}

.detail-item .label {
    font-size: 11px;
    color: var(--gray-500);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.detail-item .value {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 24px;
}

.pagination a,
.pagination span {
    padding: 6px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    font-size: 13px;
    color: var(--gray-600);
    background: #fff;
    min-width: 36px;
    text-align: center;
}

.pagination a:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.pagination .current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    font-weight: 600;
}

/* ===== 页脚 ===== */
.footer {
    text-align: center;
    color: var(--gray-400);
    font-size: 12px;
    padding: 24px 0 32px;
}

/* ===== 图表区域 ===== */
.chart-container {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    padding: 16px 0;
    height: 200px;
}

.chart-bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.chart-bar-label {
    font-size: 11px;
    color: var(--gray-500);
    font-weight: 500;
}

.chart-bar {
    width: 100%;
    background: var(--primary);
    border-radius: 4px 4px 0 0;
    min-height: 4px;
    transition: height 0.3s ease;
}

.chart-bar-date {
    font-size: 10px;
    color: var(--gray-400);
}

/* ===== 来源分布 ===== */
.source-distribution {
    display: flex;
    gap: 56px;
    padding: 32px 0;
    justify-content: center;
}

.source-item {
    text-align: center;
}

.source-item .source-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.1;
}

.source-item .source-label {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.source-item.manual .source-number { color: var(--primary); }
.source-item.taobao .source-number { color: var(--success); }