/* 零云聚合支付系统 - 全局样式 */
:root {
    --primary: #7e7ef6;
    --primary-dark: #6366f1;
    --primary-light: #eef2ff;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --text: #1f2937;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --bg: #f3f4f8;
    --card: #ffffff;
    --sidebar-width: 240px;
    --header-height: 60px;
    --radius: 10px;
    --shadow: 0 2px 12px rgba(0,0,0,.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; }

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

/* ========== 登录页 ========== */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.login-box { background: var(--card); padding: 40px; border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,.15); width: 400px; max-width: 90%; }
.login-box h2 { text-align: center; margin-bottom: 30px; color: var(--primary); font-size: 22px; }
.login-logo { text-align: center; margin-bottom: 20px; font-size: 18px; font-weight: 700; color: var(--primary); }

/* ========== 布局 ========== */
.app-wrapper { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-width); background: var(--card); border-right: 1px solid var(--border); position: fixed; top: 0; left: 0; bottom: 0; overflow-y: auto; z-index: 100; transition: transform .3s; }
.sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-width))); }
.sidebar-logo { padding: 20px; font-size: 16px; font-weight: 700; color: var(--primary); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 8px; }
.sidebar-logo small { display: block; font-size: 10px; color: var(--text-muted); font-weight: 400; }
.sidebar-menu { padding: 10px 0; }
.menu-section { padding: 12px 20px 6px; font-size: 12px; color: var(--text-muted); }
.menu-item { display: flex; align-items: center; gap: 10px; padding: 11px 20px; color: var(--text); transition: all .2s; border-left: 3px solid transparent; }
.menu-item:hover { background: var(--primary-light); color: var(--primary); }
.menu-item.active { background: var(--primary-light); color: var(--primary); border-left-color: var(--primary); font-weight: 500; }
.menu-item .icon { width: 20px; text-align: center; font-size: 16px; }

.main-content { flex: 1; margin-left: var(--sidebar-width); transition: margin .3s; }
.main-content.expanded { margin-left: 0; }
.topbar { height: var(--header-height); background: var(--card); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; position: sticky; top: 0; z-index: 50; }
.topbar-left { display: flex; align-items: center; gap: 16px; }
.toggle-btn { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-muted); padding: 4px 8px; border-radius: 6px; }
.toggle-btn:hover { background: var(--bg); }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.user-info { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.user-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; color: var(--primary); font-weight: 600; }
.page-content { padding: 24px; }

/* ========== 卡片 ========== */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 20px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; font-weight: 600; }
.card-body { padding: 20px; }

/* ========== 仪表盘网格 ========== */
.dashboard-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

.stat-card { background: var(--card); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.stat-card .label { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-card .sub { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.stat-card.highlight { background: linear-gradient(135deg, var(--primary) 0%, #a78bfa 100%); color: #fff; }
.stat-card.highlight .label, .stat-card.highlight .sub { color: rgba(255,255,255,.8); }
.stat-card.highlight .value { color: #fff; }

.account-card { background: linear-gradient(135deg, #f0f4ff, #faf5ff); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.account-card .uid { font-size: 13px; color: var(--text-muted); }
.account-card .badge { display: inline-block; background: var(--warning); color: #fff; padding: 2px 10px; border-radius: 20px; font-size: 12px; margin: 8px 0; }
.account-card .status-ok { color: var(--success); font-size: 13px; float: right; }

/* ========== 表格 ========== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
table th { background: #fafafa; font-weight: 600; font-size: 13px; color: var(--text-muted); white-space: nowrap; }
table tr:hover { background: #fafbff; }
.table-actions a { margin-right: 12px; font-size: 13px; }
.table-actions .danger { color: var(--danger); }

/* ========== 表单 ========== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; font-size: 13px; }
.form-control { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; transition: border .2s; background: #fff; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(126,126,246,.15); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.form-section { margin-bottom: 30px; }
.form-section h4 { margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); color: var(--text); }

select.form-control { appearance: auto; }

/* ========== 按钮 ========== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 20px; border: none; border-radius: 8px; font-size: 14px; cursor: pointer; transition: all .2s; font-weight: 500; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: #fff; border: 1px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-block { width: 100%; }

/* ========== 标签 ========== */
.badge-status { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge-success { background: #dcfce7; color: #16a34a; }
.badge-danger { background: #fee2e2; color: #dc2626; }
.badge-warning { background: #fef3c7; color: #d97706; }
.badge-info { background: #dbeafe; color: #2563eb; }

/* ========== Tab ========== */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.tab-item { padding: 12px 24px; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all .2s; }
.tab-item:hover { color: var(--primary); }
.tab-item.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ========== 搜索栏 ========== */
.search-bar { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; align-items: flex-end; }
.search-bar .form-group { margin-bottom: 0; }
.search-bar .form-control { min-width: 150px; }

/* ========== 分页 ========== */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 20px; }
.pagination a, .pagination span { padding: 8px 14px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); }
.pagination a:hover { background: var(--primary-light); border-color: var(--primary); }
.pagination .active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== 提示 ========== */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.alert-success { background: #dcfce7; color: #16a34a; border: 1px solid #bbf7d0; }
.alert-danger { background: #fee2e2; color: #dc2626; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #d97706; border: 1px solid #fde68a; }
.alert-info { background: #dbeafe; color: #2563eb; border: 1px solid #bfdbfe; }

/* ========== 订单日志 ========== */
.order-log-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.order-log-item:last-child { border-bottom: none; }
.order-log-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 18px; }
.order-log-info { flex: 1; }
.order-log-info .title { font-weight: 500; }
.order-log-info .meta { font-size: 12px; color: var(--text-muted); }
.order-log-time { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

/* ========== 公告 ========== */
.announce-item { padding: 16px; border-bottom: 1px solid var(--border); }
.announce-item:last-child { border-bottom: none; }
.announce-item .time { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }

/* ========== 管理后台欢迎区 ========== */
.welcome-card { display: flex; gap: 24px; align-items: center; }
.welcome-card .welcome-text h3 { font-size: 20px; margin-bottom: 8px; }
.welcome-card .welcome-text p { color: var(--text-muted); font-size: 13px; }
.quick-links { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-top: 20px; }
.quick-link { text-align: center; padding: 16px 8px; border-radius: var(--radius); background: var(--bg); cursor: pointer; transition: all .2s; }
.quick-link:hover { background: var(--primary-light); color: var(--primary); }
.quick-link .icon { font-size: 24px; margin-bottom: 6px; }
.quick-link .text { font-size: 12px; }

.login-log-item { padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.login-log-item .time { color: var(--primary); font-weight: 500; }

/* ========== 收入统计Tab ========== */
.income-tabs { display: flex; gap: 0; margin-bottom: 16px; }
.income-tab { padding: 8px 20px; cursor: pointer; border: 1px solid var(--border); background: #fff; }
.income-tab:first-child { border-radius: 8px 0 0 8px; }
.income-tab:last-child { border-radius: 0 8px 8px 0; }
.income-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== 工具 ========== */
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.mt-2 { margin-top: 8px; }
.mb-3 { margin-bottom: 16px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.copy-btn { cursor: pointer; color: var(--primary); font-size: 13px; margin-left: 8px; }
.api-doc { background: #1e1e2e; color: #cdd6f4; padding: 16px; border-radius: 8px; font-family: monospace; font-size: 13px; overflow-x: auto; white-space: pre-wrap; }

@media (max-width: 1200px) {
    .col-3, .col-4, .col-5, .col-6, .col-8 { grid-column: span 6; }
    .quick-links { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(calc(-1 * var(--sidebar-width))); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .col-3, .col-4, .col-5, .col-6, .col-8, .col-12 { grid-column: span 12; }
}