/**
 * 肿瘤患者营养周期管理平台 - 全局样式
 * 墨绿色系：主色#1a4d3e / 辅助#2d6a4f / 点缀#a7c957
 */

/* ==================== CSS变量定义 ==================== */
:root {
    --primary: #1a4d3e;
    --primary-light: #2d6a4f;
    --primary-lighter: #40916c;
    --accent: #a7c957;
    --accent-light: #d4edda;
    --sidebar-width: 250px;
    --sidebar-collapsed: 70px;
    --header-height: 60px;
    --danger: #dc3545;
    --warning: #f0ad4e;
    --success: #28a745;
    --info: #17a2b8;
    --border-radius: 12px;
    --card-shadow: 0 2px 12px rgba(0,0,0,0.06);
    --transition: all 0.3s ease;
}

/* ==================== 基础重置 ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f5f7f6;
    color: #333;
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* ==================== 顶部导航栏 ==================== */
.navbar-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    z-index: 1040;
    display: flex;
    align-items: center;
    padding: 0 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.navbar-top .brand {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    text-decoration: none;
}

.navbar-top .brand i { font-size: 24px; }

.navbar-top .sidebar-toggle {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    margin-right: 12px;
    padding: 4px 8px;
    border-radius: 4px;
}

.navbar-top .sidebar-toggle:hover { background: rgba(255,255,255,0.15); }

.navbar-top .user-menu {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 16px;
}

.navbar-top .user-menu .dropdown-toggle {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
}

.navbar-top .user-menu .dropdown-toggle:hover {
    background: rgba(255,255,255,0.15);
}

.navbar-top .btn-logout {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
}

.navbar-top .btn-logout:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

/* ==================== 侧边栏 ==================== */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: #fff;
    border-right: 1px solid #e8e8e8;
    z-index: 1030;
    overflow-y: auto;
    transition: var(--transition);
    box-shadow: 2px 0 8px rgba(0,0,0,0.03);
}

.sidebar .nav-item {
    margin: 2px 8px;
}

.sidebar .nav-link {
    color: #555;
    padding: 10px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
}

.sidebar .nav-link i {
    font-size: 18px;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar .nav-link:hover {
    background: var(--accent-light);
    color: var(--primary);
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-weight: 500;
}

.sidebar .menu-title {
    font-size: 11px;
    text-transform: uppercase;
    color: #999;
    padding: 16px 20px 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 侧边栏折叠状态 */
.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar.collapsed .nav-link span,
.sidebar.collapsed .menu-title {
    display: none;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 12px;
}

/* ==================== 主内容区域 ==================== */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 24px;
    min-height: calc(100vh - var(--header-height));
    transition: var(--transition);
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed);
}

/* ==================== 页面头部 ==================== */
.page-header h4 {
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 4px;
}

.page-header .breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
}

.page-header .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: #999;
}

.page-header .breadcrumb-item.active {
    color: var(--primary-lighter);
}

/* ==================== 卡片样式 ==================== */
.stat-card {
    background: #fff;
    border: none;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    height: 100%;
}

.stat-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.1;
}

.stat-card .stat-label {
    color: #888;
    font-size: 13px;
    margin-top: 4px;
}

.stat-card .stat-change {
    font-size: 12px;
    margin-top: 2px;
}

.stat-card .stat-change.up { color: var(--danger); }
.stat-card .stat-change.down { color: var(--success); }

/* ==================== 通用卡片 ==================== */
.card-custom {
    background: #fff;
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
}

.card-custom .card-header {
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    padding: 16px 20px;
    font-weight: 600;
    color: var(--primary);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-custom .card-body { padding: 20px; }

/* ==================== 表单控件 ==================== */
.form-label {
    font-weight: 500;
    color: #555;
    margin-bottom: 6px;
}

.form-control, .form-select {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-lighter);
    box-shadow: 0 0 0 0.2rem rgba(64,145,108,0.2);
}

/* ==================== 按钮样式 ==================== */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border: none;
    color: #fff;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 8px;
    transition: var(--transition);
}

.btn-primary-custom:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-lighter));
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26,77,62,0.3);
}

.btn-outline-primary-custom {
    border: 1.5px solid var(--primary);
    color: var(--primary);
    background: transparent;
    font-weight: 500;
    padding: 7px 20px;
    border-radius: 8px;
    transition: var(--transition);
}

.btn-outline-primary-custom:hover {
    background: var(--primary);
    color: #fff;
}

.btn-accent {
    background: var(--accent);
    border: none;
    color: #fff;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 8px;
    transition: var(--transition);
}

.btn-accent:hover {
    opacity: 0.9;
    color: #fff;
}

.btn-sm-custom {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 6px;
}

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

.table-custom thead th {
    background: #f8faf8;
    color: var(--primary);
    font-weight: 600;
    padding: 12px 14px;
    border-bottom: 2px solid #e0e8e2;
    font-size: 13px;
    white-space: nowrap;
}

.table-custom tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: middle;
    font-size: 13px;
}

.table-custom tbody tr:hover {
    background: #f8fdf9;
}

.table-custom tbody tr:last-child td {
    border-bottom: none;
}

/* ==================== 进度条 ==================== */
.progress-custom {
    height: 10px;
    border-radius: 5px;
    background: #e9ecef;
}

.progress-custom .progress-bar {
    border-radius: 5px;
    transition: width 0.6s ease;
}

.progress-bar-green {
    background: linear-gradient(90deg, var(--primary-lighter), var(--accent));
}

.progress-bar-warning {
    background: linear-gradient(90deg, var(--warning), #f39c12);
}

.progress-bar-danger {
    background: linear-gradient(90deg, #e74c3c, var(--danger));
}

/* ==================== 徽章样式 ==================== */
.badge-custom {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger  { background: #f8d7da; color: #721c24; }
.badge-primary { background: #d4edda; color: var(--primary); }
.badge-info    { background: #d1ecf1; color: #0c5460; }

/* ==================== 症状等级样式 ==================== */
.symptom-mild     { color: #f0ad4e; font-weight: 500; }
.symptom-moderate { color: #f57c00; font-weight: 500; }
.symptom-severe   { color: #dc3545; font-weight: 600; }
.symptom-none     { color: #28a745; }

/* ==================== 警示/预警 ==================== */
.alert-item {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.alert-item.warning {
    background: #fff8e6;
    border-left: 4px solid var(--warning);
}

.alert-item.danger {
    background: #ffe8e8;
    border-left: 4px solid var(--danger);
}

.alert-item i { font-size: 18px; margin-top: 2px; }

/* ==================== 食谱卡片 ==================== */
.recipe-card {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

.recipe-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(0,0,0,0.1);
}

.recipe-card .recipe-img {
    height: 140px;
    background: linear-gradient(135deg, var(--accent-light), #e8f5e9);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--primary-lighter);
}

.recipe-card .recipe-body {
    padding: 14px 16px;
}

.recipe-card .recipe-body h6 {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 6px;
}

.recipe-card .recipe-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
}

.recipe-card .recipe-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
    background: var(--accent-light);
    color: var(--primary);
}

/* ==================== 文章卡片 ==================== */
.article-card {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    padding: 20px;
    margin-bottom: 16px;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.article-card:hover {
    border-left-color: var(--primary-lighter);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.article-card h6 {
    font-weight: 600;
    color: var(--primary);
}

.article-card .article-meta {
    font-size: 12px;
    color: #999;
    margin-top: 6px;
    display: flex;
    gap: 16px;
}

/* ==================== 咨询框 ==================== */
.consult-item {
    padding: 16px;
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    background: #fff;
    border: 1px solid #e8e8e8;
}

.consult-item .consult-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.consult-item .consult-reply {
    margin-top: 12px;
    padding: 12px 16px;
    background: #f0fdf4;
    border-radius: 8px;
    border-left: 3px solid var(--primary-lighter);
}

/* ==================== 图表容器 ==================== */
.chart-container {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.chart-container .chart-title {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
    font-size: 15px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .sidebar {
        width: 0;
        transform: translateX(-100%);
    }

    .sidebar.mobile-show {
        width: var(--sidebar-width);
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,0.2);
    }

    .main-content {
        margin-left: 0;
    }

    .main-content.expanded {
        margin-left: 0;
    }

    .navbar-top .brand span { display: none; }

    .stat-card .stat-value { font-size: 20px; }
}

/* ==================== 移动端遮罩 ==================== */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1029;
}

.sidebar-overlay.show { display: block; }

/* ==================== 实用工具类 ==================== */
.text-primary-custom { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }
.bg-primary-custom { background-color: var(--primary) !important; }
.bg-light-custom { background-color: #f0fdf4 !important; }
.bg-accent-light { background-color: var(--accent-light) !important; }
.fw-semibold { font-weight: 600; }
.rounded-custom { border-radius: var(--border-radius); }
.cursor-pointer { cursor: pointer; }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }

/* ==================== 滚动条美化 ==================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #c1c1c1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a8a8a8; }

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: #d0d0d0; }

/* ==================== 打印样式 ==================== */
@media print {
    .sidebar, .navbar-top { display: none; }
    .main-content { margin: 0; padding: 0; }
}