:root{
  --primary:#2563eb; --primary-d:#1d4ed8; --bg:#f1f5f9; --card:#fff;
  --text:#1e293b; --muted:#64748b; --border:#e2e8f0; --sidebar:#0f172a;
  --success:#16a34a; --danger:#dc2626; --warn:#d97706;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{text-decoration:none;color:inherit}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--sidebar);color:#cbd5e1;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{padding:22px 20px;font-size:22px;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px;border-bottom:1px solid #1e293b}
.brand span{font-size:12px;font-weight:400;color:#64748b;align-self:flex-end;margin-bottom:3px}
.sidebar nav{padding:12px 0}
.sidebar nav a{display:block;padding:11px 20px;color:#cbd5e1;font-size:14px;transition:.15s;border-left:3px solid transparent}
.sidebar nav a:hover{background:#1e293b;color:#fff}
.sidebar nav a.active{background:#1e293b;color:#fff;border-left-color:var(--primary)}
.nav-sep{padding:14px 20px 6px;font-size:11px;color:#475569;text-transform:uppercase;letter-spacing:1px}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;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:10}
.crumb{font-size:16px;font-weight:600}
.userbox{display:flex;align-items:center;gap:12px;color:var(--muted)}
.content{padding:24px;flex:1}
.foot{padding:16px 24px;text-align:center;color:var(--muted);font-size:12px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px}
.card.stat{text-align:center}
.stat-num{font-size:34px;font-weight:700;color:var(--primary)}
.stat-label{color:var(--muted);margin-top:4px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.card-head h3{font-size:16px}
.link{color:var(--primary);font-size:13px}

/* Lists */
.list{list-style:none}
.list li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--border)}
.list li:last-child{border:0}
.list li em{color:var(--muted);font-style:normal;font-size:12px;flex-shrink:0;margin-left:10px}
.empty{text-align:center;color:var(--muted);padding:24px}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:top}
.table th{color:var(--muted);font-weight:600;background:#f8fafc}
.table tbody tr:hover,.table tr:hover{background:#f8fafc}

/* Tags & badges */
.tag{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px}
.tag-pending{background:#fef3c7;color:#b45309}
.tag-approved{background:#dcfce7;color:#15803d}
.tag-rejected{background:#fee2e2;color:#b91c1c}
.badge{display:inline-block;padding:2px 9px;border-radius:6px;font-size:12px;background:#e2e8f0;color:#475569}
.badge-admin{background:#dbeafe;color:#1d4ed8}

/* Buttons */
.btn{display:inline-block;padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;font-size:13px;transition:.15s}
.btn:hover{background:#f1f5f9}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-d)}
.btn-success{background:var(--success);color:#fff;border-color:var(--success)}
.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn-sm{padding:4px 10px;font-size:12px}
.toolbar{margin-bottom:16px}
.inline{display:inline}
form.inline{display:inline}

/* Forms */
.form label,.inline-form label{display:block;margin:12px 0 5px;font-weight:500}
.form input,.form select,.form textarea,.inline-form input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.form .checkbox{display:flex;align-items:center;gap:8px}
.form .checkbox input{width:auto}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-actions{margin-top:20px;display:flex;gap:10px}
.inline-form{display:flex;gap:10px;align-items:center}
.inline-form input{flex:1}

/* Announcement */
.ann-head{display:flex;justify-content:space-between;align-items:flex-start}
.ann-head h3{font-size:17px}
.ann-meta{color:var(--muted);font-size:12px;margin:6px 0 12px}
.ann-body{color:#334155;line-height:1.8}

/* Todo */
.todo-list{list-style:none}
.todo-list li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}
.todo-list li:last-child{border:0}
.todo-list .todo-title{flex:1}
.todo-list li.done .todo-title{text-decoration:line-through;color:var(--muted)}
.check{background:none;border:none;font-size:20px;cursor:pointer;color:var(--primary)}
.todo-list em{color:var(--muted);font-style:normal;font-size:12px}

/* Alerts */
.alert{padding:11px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-success{background:#dcfce7;color:#15803d}
.alert-danger{background:#fee2e2;color:#b91c1c}
.alert-info{background:#dbeafe;color:#1d4ed8}
.alert-warning{background:#fef3c7;color:#b45309}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a 0%,#2563eb 100%)}
.login-card{background:#fff;border-radius:16px;padding:40px 36px;width:360px;box-shadow:0 20px 50px rgba(0,0,0,.25);text-align:center}
.login-logo{font-size:48px}
.login-card h1{font-size:22px;margin:8px 0 2px}
.login-card .sub{color:var(--muted);margin-bottom:20px}
.login-card form{text-align:left}
.login-card label{display:block;margin:12px 0 5px;font-weight:500}
.login-card input{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px}
.login-card input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.login-card button{width:100%;margin-top:22px;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:15px;cursor:pointer;font-weight:600}
.login-card button:hover{background:var(--primary-d)}
.login-card .tip{margin-top:18px;color:var(--muted);font-size:12px}

@media(max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .grid2{grid-template-columns:1fr}
  .sidebar{width:64px}
  .brand span,.sidebar nav a{font-size:0}
  .sidebar nav a{text-align:center}
  .nav-sep{display:none}
}


/* ===== 统一页面标题栏 ===== */
.page-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
.page-head h1 {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
    color: var(--text);
}
.page-head .actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ===== 统计卡片栅格（与 .cards 同语义） ===== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}
.stat-tile {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.stat-tile .icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: #dbeafe;
    color: var(--primary);
    flex-shrink: 0;
}
.stat-tile .icon.green { background: #dcfce7; color: var(--success); }
.stat-tile .icon.orange { background: #fef3c7; color: var(--warn); }
.stat-tile .icon.red { background: #fee2e2; color: var(--danger); }
.stat-tile .icon.purple { background: #f3e5f5; color: #7b1fa2; }
.stat-tile .num {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}
.stat-tile .lbl {
    font-size: 13px;
    color: var(--muted);
    margin-top: 2px;
}

/* ===== 标签页（Tabs） ===== */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}
.tab {
    padding: 8px 16px;
    color: var(--muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: .15s;
    white-space: nowrap;
    font-size: 14px;
    text-decoration: none;
}
.tab:hover {
    color: var(--text);
    background: #f8fafc;
}
.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 500;
}

/* ===== 卡片网格 ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.tile-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: transform .15s, box-shadow .15s;
}
.tile-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0,0,0,.08);
}
.tile-card .tile-head {
    padding: 14px 16px;
    background: var(--primary);
    color: #fff;
    font-weight: 500;
}
.tile-card .tile-head.success { background: var(--success); }
.tile-card .tile-head.warn { background: var(--warn); }
.tile-card .tile-head.muted { background: #64748b; }
.tile-card .tile-body {
    padding: 14px 16px;
}
.tile-card .tile-body p {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.tile-card .tile-actions {
    display: flex;
    gap: 6px;
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

/* ===== 工具栏 ===== */
.toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.toolbar .search {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
}
.empty-state .icon {
    font-size: 56px;
    margin-bottom: 12px;
    opacity: 0.6;
}
.empty-state h3 {
    font-size: 16px;
    color: var(--text);
    margin: 0 0 6px;
}
.empty-state p {
    color: var(--muted);
    font-size: 13px;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 20px;
    flex-wrap: wrap;
}
.pagination a, .pagination span {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 13px;
    text-decoration: none;
    background: var(--card);
}
.pagination a:hover {
    background: #f1f5f9;
}
.pagination .active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.pagination .disabled {
    color: var(--muted);
    pointer-events: none;
}

/* ===== 状态徽章 ===== */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    background: rgba(255,255,255,0.25);
    color: #fff;
}
.status-badge.outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
}
.status-badge.success { background: #dcfce7; color: var(--success); }
.status-badge.warn { background: #fef3c7; color: var(--warn); }
.status-badge.danger { background: #fee2e2; color: var(--danger); }

/* ===== 响应式 ===== */
@media(max-width:900px){
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .card-grid { grid-template-columns: 1fr; }
    .page-head { flex-direction: column; align-items: flex-start; }
}
@media(max-width:600px){
    .stat-grid { grid-template-columns: 1fr; }
}


/* ============ Finance 模块侧栏 ============ */
.finance-layout { display: flex; gap: 20px; min-height: calc(100vh - 120px); }
.finance-sidebar { width: 200px; background: var(--card); padding: 16px; border-radius: 8px; flex-shrink: 0; border: 1px solid var(--border); }
.finance-sidebar h3 { margin: 0 0 12px 0; color: var(--text); font-size: 15px; font-weight: 600; }
.finance-sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.finance-sidebar nav a {
    display: block;
    width: 100%; padding: 8px 12px; color: var(--text); text-decoration: none; border-radius: 6px; font-size: 13px; transition: all 0.15s; }
.finance-sidebar nav a:hover { background: var(--hover); }
.finance-sidebar nav a.active { background: var(--primary); color: #fff; font-weight: 500; }
.finance-sidebar .nav-group { display: flex; flex-direction: column; gap: 2px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.finance-sidebar .nav-group h4 { margin: 0 0 6px 0; color: var(--muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.finance-main { flex: 1; min-width: 0; }

/* ============ 摘要卡片 (Dashboard 用) ============ */
.finance-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }
.summary-card { padding: 18px; border-radius: 10px; color: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.summary-card h3 { margin: 0 0 8px 0; font-size: 13px; opacity: 0.9; font-weight: 500; }
.summary-card .amount { font-size: 26px; font-weight: 700; line-height: 1.2; }
.summary-card small { opacity: 0.85; font-size: 11px; display: block; margin-top: 4px; }
.summary-card.income { background: linear-gradient(135deg, #11998e, #38ef7d); }
.summary-card.expense { background: linear-gradient(135deg, #eb3349, #f45c43); }
.summary-card.balance { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.summary-card.net { background: linear-gradient(135deg, #667eea, #764ba2); }

/* ============ 支出分类 chips ============ */
.expense-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.expense-chip { background: #fef3f2; padding: 10px 14px; border-radius: 8px; min-width: 120px; border: 1px solid #fee2e2; }
.expense-chip-name { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.expense-chip-amount { font-size: 16px; font-weight: 700; color: #dc2626; }

/* ============ 分类网格 (asset_categories / tax_types) ============ */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.cat-card { padding: 14px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; transition: all 0.15s; }
.cat-card:hover { border-color: var(--primary); box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.cat-card-name { font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.cat-card-meta { font-size: 12px; color: var(--muted); }

/* ============ 空状态图标 ============ */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { color: var(--muted); margin: 8px 0 16px; }

/* Lang switcher in userbox */
.userbox .lang-switcher { margin-right: 12px; display: inline-block; }
.userbox .lang-switcher select { padding: 4px 8px; border-radius: 4px; border: 1px solid var(--border); background: white; font-size: 13px; }