/* 现代简约设计系统 - Modern Minimalist Ledger */
:root {
    /* 核心色彩 - 匹配截图风格并参考 debs 项目 */
    --primary: #0ea5e9;
    --primary-hover: #0284c7;
    --primary-light: #e0f2fe;
    --secondary: #00c6ff;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #0ea5e9;
    --dark-blue: #0369a1;

    /* 中性色 */
    --bg-main: #f1f5f9;
    --bg-gradient-start: #f5f7fa;
    --bg-gradient-end: #c3cfe2;
    --card-bg: #ffffff;
    --text-main: #495057;
    --text-muted: #6c757d;
    --border: #ced4da;
    --input-focus: #bae6fd;

    /* 装饰 - 同步 debs 阴影 */
    --radius-lg: 12px;
    --radius-md: 8px;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --card-shadow: 0 15px 30px rgba(0,0,0,0.1);
    --card-hover-shadow: 0 20px 40px rgba(0,0,0,0.15);
    --btn-shadow: 0 5px 15px rgba(0,123,255,0.2);
    --transition: all 0.3s ease;
}

/* 基础样式重置 */
body {
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    padding-top: 70px;
    min-height: 100vh;
}

/* 导航栏 */
.navbar {
    background: linear-gradient(45deg, var(--primary), var(--secondary)) !important;
    padding: 0.75rem 0;
    box-shadow: var(--card-shadow);
}

.navbar-brand {
    font-weight: 700;
    color: white !important;
    font-size: 1.25rem;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

.nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* 页面标题 */
.page-header {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 1.5rem 0;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* 卡片 */
.panel-card {
    background-color: var(--card-bg);
    border: none !important;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.panel-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
}

.panel-header {
    background: linear-gradient(45deg, var(--primary), var(--secondary)) !important;
    padding: 1rem 1.25rem !important;
    font-weight: 600;
    color: white !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header i {
    font-size: 1.1rem;
}

.panel-body {
    padding: 1.25rem;
}

/* 图表容器 */
.chart-container {
    height: 350px;
    width: 100%;
}

/* 移除导致横向滚动条的缩放效果 */
.table-responsive {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    overflow-x: hidden; /* 默认隐藏，如有需要可在媒体查询中开启 */
}

@media (max-width: 768px) {
    .table-responsive {
        overflow-x: auto;
    }
}

.table {
    margin-bottom: 0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.table thead th {
    background: linear-gradient(45deg, var(--primary), var(--secondary)) !important;
    color: white !important;
    font-weight: 600;
    border: none !important;
    padding: 1rem 1.25rem !important;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.875rem 1.25rem !important;
    border-bottom: 1px solid #f1f5f9 !important;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: rgba(14, 165, 233, 0.08) !important;
    transition: background-color 0.2s;
}

/* 列表斑马纹 */
.table-striped tbody tr:nth-of-type(odd) {
    background-color: #f8fafc;
}

/* 按钮 */
.btn-custom {
    font-size: 0.8125rem;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none !important;
    font-weight: 600;
    border: none;
    transition: var(--transition);
    color: white !important;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.btn-custom:hover {
    filter: brightness(0.9);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.btn-view { background: linear-gradient(45deg, #0d9488, #2dd4bf); }
.btn-edit { background: linear-gradient(45deg, #f59e0b, #fbbf24); }
.btn-repay { background: linear-gradient(45deg, #3b82f6, #60a5fa); }
.btn-delete { background: linear-gradient(45deg, #ef4444, #f87171); }

.btn-add {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white !important;
    border-radius: 20px;
    padding: 0.4rem 1rem;
    font-size: 0.875rem;
    box-shadow: var(--btn-shadow);
}



/* 表单 */
.form-label {
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--input-focus);
    outline: none;
}

/* 标题 */
.page-header {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 2rem;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-header i {
    color: var(--primary);
    font-size: 1.5rem;
}

/* 登录/注册专用 */
.auth-card {
    max-width: 440px;
    margin: 0 auto;
}

.auth-card .card-body {
    padding: 2.5rem;
}

/* 状态标签 */
.badge {
    padding: 0.35em 0.65em;
    font-weight: 500;
    border-radius: 4px;
}

/* ECharts 容器 */
.chart-container {
    height: 320px !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .page-header {
        font-size: 1.5rem;
    }

    .table-responsive {
        border-radius: var(--radius-lg);
    }
}