/* 桃花谷音乐餐厅 - 预定管理系统 样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f5f7fa;
    color: #333;
    font-size: 14px;
    line-height: 1.6;
}

a { color: #c0392b; text-decoration: none; }
a:hover { text-decoration: underline; }

/* 登录页 */
.login-body {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    width: 380px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-box h1 {
    text-align: center;
    color: #c0392b;
    font-size: 22px;
    margin-bottom: 8px;
}

.login-box .subtitle {
    text-align: center;
    color: #888;
    font-size: 13px;
    margin-bottom: 30px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #c0392b;
    box-shadow: 0 0 0 3px rgba(192,57,43,0.1);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background: #c0392b;
    color: #fff;
    width: 100%;
    padding: 12px;
    font-size: 15px;
}

.btn-primary:hover { background: #a93226; }

.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-success { background: #27ae60; color: #fff; }
.btn-success:hover { background: #219a52; }
.btn-warning { background: #f39c12; color: #fff; }
.btn-warning:hover { background: #d68910; }
.btn-danger { background: #e74c3c; color: #fff; }
.btn-danger:hover { background: #c0392b; }
.btn-info { background: #3498db; color: #fff; }
.btn-info:hover { background: #2980b9; }
.btn-default { background: #95a5a6; color: #fff; }
.btn-default:hover { background: #7f8c8d; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 220px;
    background: #1a1a2e;
    color: #fff;
    flex-shrink: 0;
}

.sidebar .logo {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar .logo h2 {
    font-size: 16px;
    color: #e74c3c;
}

.sidebar .logo p {
    font-size: 11px;
    color: #888;
    margin-top: 4px;
}

.sidebar nav { padding: 15px 0; }

.sidebar nav a {
    display: block;
    padding: 12px 20px;
    color: #ccc;
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
    text-decoration: none;
}

.sidebar nav a.active {
    background: rgba(231,76,60,0.15);
    color: #e74c3c;
    border-left-color: #e74c3c;
}

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.topbar {
    background: #fff;
    padding: 12px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.topbar .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar .user-info .role-badge {
    background: #e74c3c;
    color: #fff;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.content {
    padding: 25px;
    flex: 1;
}

.page-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: #2c3e50;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.card h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #2c3e50;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.stat-card .number {
    font-size: 32px;
    font-weight: bold;
    color: #c0392b;
}

.stat-card .label {
    font-size: 13px;
    color: #888;
    margin-top: 5px;
}

.stat-card.green .number { color: #27ae60; }
.stat-card.blue .number { color: #3498db; }
.stat-card.orange .number { color: #f39c12; }
.stat-card.gray .number { color: #95a5a6; }

/* 财务卡片网格 */
.finance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.finance-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}
.finance-card .label { font-size: 12px; color: #888; margin-bottom: 5px; }
.finance-card .value { font-size: 22px; font-weight: bold; }
.finance-card.income .value { color: #27ae60; }
.finance-card.expense .value { color: #e74c3c; }
.finance-card.profit .value { color: #3498db; }
.finance-card.month-profit .value { color: #f39c12; }

/* 筛选栏 */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}
.filter-bar label { font-size: 13px; color: #666; white-space: nowrap; }
.filter-bar input, .filter-bar select {
    padding: 6px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

table th, table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}

table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #555;
    white-space: nowrap;
}

table tr:hover { background: #fafafa; }

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

.status-pending { background: #fef3e2; color: #f39c12; }
.status-confirmed { background: #e8f8f0; color: #27ae60; }
.status-arrived { background: #e8f0fe; color: #3498db; }
.status-cancelled { background: #fde8e8; color: #e74c3c; }

.type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

.type-hall { background: #e8f0fe; color: #3498db; }
.type-box { background: #f3e8fe; color: #8e44ad; }

/* 筛选栏 */
.filter-bar {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

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

.filter-bar .form-group label {
    font-size: 12px;
    margin-bottom: 4px;
}

/* 模态框 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

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

.modal {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    width: 500px;
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal h3 {
    margin-bottom: 20px;
    color: #2c3e50;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal .close-btn {
    cursor: pointer;
    font-size: 20px;
    color: #999;
    border: none;
    background: none;
}

.modal .form-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* 提示消息 */
.flash {
    padding: 12px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

.flash-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.flash-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px;
    color: #999;
}

.empty-state p { font-size: 15px; }

/* 来源统计条 */
.source-bar {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    gap: 10px;
}

.source-bar .source-name {
    width: 80px;
    text-align: right;
    font-size: 13px;
    color: #555;
}

.source-bar .bar-bg {
    flex: 1;
    height: 24px;
    background: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}

.source-bar .bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #c0392b, #e74c3c);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 8px;
    color: #fff;
    font-size: 12px;
    min-width: 30px;
}

/* 响应式 */
@media (max-width: 768px) {
    .layout { flex-direction: column; }
    .sidebar { width: 100%; }
    .sidebar nav { display: flex; flex-wrap: wrap; padding: 10px; }
    .sidebar nav a { padding: 8px 12px; font-size: 13px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .content { padding: 15px; }
}

/* ========== 导航分组样式 ========== */
.nav-group {
    margin-bottom: 8px;
}

.nav-group-title {
    padding: 10px 20px 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    margin-bottom: 4px;
}

/* 不同模块不同颜色 */
.nav-group-blue .nav-group-title { color: #3498db; }
.nav-group-cyan .nav-group-title { color: #1abc9c; }
.nav-group-green .nav-group-title { color: #2ecc71; }
.nav-group-orange .nav-group-title { color: #f39c12; }
.nav-group-purple .nav-group-title { color: #9b59b6; }
.nav-group-red .nav-group-title { color: #e74c3c; }
.nav-group-yellow .nav-group-title { color: #f1c40f; }
.nav-group-gray .nav-group-title { color: #95a5a6; }

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 8px 15px;
}

.logout-btn {
    color: #e74c3c !important;
}

.logout-btn:hover {
    background: rgba(231,76,60,0.1) !important;
}

/* 手机端菜单按钮 */
.menu-toggle {
    display: none;
    width: 100%;
    padding: 12px;
    background: rgba(255,255,255,0.05);
    border: none;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    text-align: left;
    padding-left: 20px;
}

.menu-toggle:hover {
    background: rgba(255,255,255,0.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 5px 10px;
    color: #555;
}

/* ========== 响应式适配 ========== */
/* 平板端（769px - 1024px） */
@media (max-width: 1024px) and (min-width: 769px) {
    .sidebar { width: 190px; }
    .sidebar nav a { padding: 10px 16px; font-size: 13px; }
    .nav-group-title { font-size: 11px; padding: 8px 16px 5px; }
    .content { padding: 18px; }
}

/* 手机端（≤768px） */
@media (max-width: 768px) {
    .layout { flex-direction: row; }
    .sidebar {
        width: 240px;
        position: fixed;
        left: -240px;
        top: 0;
        bottom: 0;
        z-index: 1000;
        transition: left 0.3s ease;
        overflow-y: auto;
    }
    .sidebar.open {
        left: 0;
    }
    .sidebar nav {
        display: block;
        padding: 10px 0;
    }
    .sidebar nav a {
        padding: 12px 20px;
        font-size: 14px;
    }
    .menu-toggle {
        display: block;
    }
    .mobile-menu-btn {
        display: inline-block;
    }
    .main {
        margin-left: 0;
        width: 100%;
    }
    .topbar {
        padding: 12px 15px;
    }
    .content { padding: 15px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-card { padding: 15px 10px; }
    .stat-card .number { font-size: 28px; }
    .page-title {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    /* 平板端筛选栏自动换行 */
    .filter-bar { flex-wrap: wrap; gap: 8px; }
    /* 平板端弹窗自适应 */
    .modal { width: 90% !important; max-width: 90% !important; padding: 18px; }
    /* 平板端统计卡片自适应（针对写死4列/3列的统计卡片） */
    .card[style*="grid-template-columns: repeat(4"],
    .card[style*="grid-template-columns: repeat(3"],
    div[style*="grid-template-columns:repeat(4"],
    div[style*="grid-template-columns:repeat(3"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    /* 平板端表单grid自适应 */
    .form-grid,
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}
    /* 遮罩层 */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    .sidebar-overlay.active {
        display: block;
    }
}

/* 超小屏幕（≤480px） */
@media (max-width: 480px) {
    .sidebar { width: 220px; left: -220px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 12px 8px; }
    .stat-card .number { font-size: 24px; }
    .stat-card .label { font-size: 11px; }
    .card { padding: 15px; }
    .table-wrap { font-size: 12px; }
    th, td { padding: 8px 6px; }
    /* 表单手机端适配 */
    .form-group label { font-size: 13px; }
    .form-group input, .form-group select, .form-group textarea { font-size: 14px; }
    /* 按钮手机端缩小 */
    .btn { padding: 6px 10px; font-size: 12px; }
    .btn-sm { padding: 4px 8px; font-size: 11px; }
    /* 页面标题手机端 */
    .page-title h1 { font-size: 18px; }
    /* 筛选栏手机端自动换行 */
    .filter-bar { flex-wrap: wrap; gap: 8px; }
    .filter-bar > * { flex: 1 1 auto; min-width: 120px; }
    /* 表单手机端单列 */
    .form-grid { grid-template-columns: 1fr !important; }
    /* 手机端统计卡片第三个占满整行 */
    .stat-card-full { grid-column: 1 / -1; }
    /* 操作列按钮可换行 */
    td .btn { margin: 2px; }
    /* 手机端弹窗自适应 */
    .modal { width: 92% !important; max-width: 92% !important; padding: 15px; }
    .modal h3 { font-size: 16px; }
    /* 手机端统计卡片自适应 */
    .card[style*="grid-template-columns: repeat(4"],
    .card[style*="grid-template-columns: repeat(3"],
    div[style*="grid-template-columns:repeat(4"],
    div[style*="grid-template-columns:repeat(3"] {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
    /* 手机端表单grid单列 */
    .form-grid,
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    /* 手机端输入框宽度自适应 */
    input[style*="width:160px"], input[style*="width: 160px"] {
        width: 100% !important;
        max-width: 160px;
    }
}