/* 财务助手 - 全局样式 */

:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ========== 导航栏 ========== */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    gap: 4px;
    list-style: none;
}

.navbar-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.navbar-nav a:hover, .navbar-nav a.active {
    background: #eff6ff;
    color: var(--primary);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-badge {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 12px;
    background: #f1f5f9;
    border-radius: 20px;
    text-decoration: none;
    transition: background .15s, color .15s;
}
.user-badge:hover {
    background: #e2e8f0;
    color: var(--text);
}

.btn-logout {
    background: none;
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.15s;
}

.btn-logout:hover { background: #fee2e2; color: var(--danger); border-color: var(--danger); }

/* ========== 容器 ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ========== 卡片 ========== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 20px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 16px;
    font-weight: 600;
}

/* ========== 统计卡片 ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ========== 表格 ========== */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
}

.table td {
    padding: 12px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

.table tr:hover { background: #f8fafc; }

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    transition: all 0.15s;
}

.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: #059669; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-outline { background: #fff; color: var(--text); border-color: var(--border); }
.btn-outline:hover { background: #f1f5f9; }
.btn-sm { padding: 4px 10px; font-size: 13px; }

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s;
}

.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }

.form-select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
    outline: none;
}

/* ========== 登录页 ========== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.login-card h1 {
    font-size: 24px;
    text-align: center;
    margin-bottom: 8px;
    color: var(--primary);
}

.login-card p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 14px;
}

/* ========== 搜索栏 ========== */
.search-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.search-bar .form-input {
    flex: 1;
    max-width: 400px;
}

/* ========== 状态标签 ========== */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }

/* ========== 分页 ========== */
.pagination {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-top: 20px;
}

.pagination a, .pagination span {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    text-decoration: none;
    border: 1px solid var(--border);
    color: var(--text);
}

.pagination a:hover { background: #f1f5f9; }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== 提示 ========== */
.alert {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 12px;
}

.alert-error { background: #fee2e2; color: #991b1b; }
.alert-success { background: #d1fae5; color: #065f46; }

/* ========== 模态框 ========== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal-overlay.show { display: flex; }

.modal {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    width: 90%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.modal h3 { margin-bottom: 16px; font-size: 18px; }

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* ========== Tab ========== */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .container { padding: 12px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .navbar-nav { display: none; }
}