/**
 * 医院体检报告管理系统 - 主样式表
 */

/* ==================== CSS变量定义 ==================== */
:root {
    /* 主色调 */
    --primary-color: #1a73e8;
    --primary-hover: #1557b0;
    --primary-light: #e8f0fe;

    /* 功能色 */
    --success-color: #34a853;
    --warning-color: #fbbc04;
    --error-color: #ea4335;
    --info-color: #4285f4;

    /* 中性色 */
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-muted: #80868b;
    --border-color: #dadce0;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* ==================== 基础重置 ==================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* ==================== 导航栏 ==================== */
.main-nav {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-brand a {
    color: white;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-brand a:hover {
    color: white;
    opacity: 0.9;
}

.hospital-icon {
    font-size: 24px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
}

.nav-menu>li {
    position: relative;
}

.nav-menu>li>a {
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.2s;
}

.nav-menu>li>a:hover,
.nav-menu>li>a.active {
    color: white;
    background: rgba(255, 255, 255, 0.15);
}

.nav-menu .arrow {
    font-size: 10px;
    transition: transform 0.2s;
}

.nav-dropdown:hover .arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s;
    list-style: none;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    transition: all 0.2s;
}

.dropdown-menu li a:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
}

.user-icon {
    font-size: 18px;
}

.logout-btn {
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.logout-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.settings-btn {
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    font-size: 18px;
    text-decoration: none;
}

.settings-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

/* ==================== 主内容区 ==================== */
.main-content {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* ==================== 页脚 ==================== */
.main-footer {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: var(--spacing-lg);
    font-size: 13px;
}

.footer-tip {
    margin-top: var(--spacing-sm);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

/* ==================== 卡片组件 ==================== */
.card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-lg);
}

/* ==================== 按钮组件 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    color: white;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #2d9249;
    color: white;
}

.btn-warning {
    background: var(--warning-color);
    color: var(--text-primary);
}

.btn-warning:hover {
    background: #e5a800;
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover {
    background: #d33426;
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 13px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 16px;
}

/* ==================== 表单组件 ==================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-label.required::after {
    content: '*';
    color: var(--error-color);
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    background: var(--bg-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control:disabled {
    background: var(--bg-light);
    cursor: not-allowed;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235f6368' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ==================== 表格组件 ==================== */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.table tr:hover {
    background: var(--bg-light);
}

.table-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ==================== 提示消息 ==================== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.alert-success {
    background: #e6f4ea;
    color: #1e7e34;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #fce8e6;
    color: #c62828;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fef7e0;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background: var(--primary-light);
    color: var(--primary-color);
    border: 1px solid #b8daff;
}

.alert-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.alert-close:hover {
    opacity: 1;
}

/* ==================== 分页组件 ==================== */
.pagination-nav {
    margin-top: var(--spacing-lg);
}

.pagination {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    justify-content: center;
}

.pagination li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all 0.2s;
}

.pagination li a:hover,
.pagination li.active a {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* ==================== 搜索栏 ==================== */
.search-bar {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.search-bar .form-control {
    max-width: 300px;
}

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

.stat-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.stat-icon.blue {
    background: linear-gradient(135deg, #e8f0fe 0%, #c2d9fc 100%);
}

.stat-icon.green {
    background: linear-gradient(135deg, #e6f4ea 0%, #b7e1c9 100%);
}

.stat-icon.orange {
    background: linear-gradient(135deg, #fef7e0 0%, #fce8b2 100%);
}

.stat-icon.purple {
    background: linear-gradient(135deg, #f3e8fd 0%, #dcc6f4 100%);
}

.stat-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-info p {
    color: var(--text-muted);
    font-size: 13px;
}

/* ==================== 登录页面 ==================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-lg);
}

.login-container {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: var(--spacing-xl);
    text-align: center;
}

.login-header h1 {
    font-size: 22px;
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    font-size: 14px;
    opacity: 0.9;
}

.login-body {
    padding: var(--spacing-xl);
}

.login-body .form-control {
    padding: var(--spacing-md);
}

.login-body .btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 16px;
}

/* ==================== 页面标题 ==================== */
.page-header {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.breadcrumb {
    display: flex;
    gap: var(--spacing-sm);
    list-style: none;
    font-size: 13px;
    color: var(--text-muted);
}

.breadcrumb li::after {
    content: '/';
    margin-left: var(--spacing-sm);
}

.breadcrumb li:last-child::after {
    content: '';
}

.breadcrumb a {
    color: var(--text-secondary);
}

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) * 2;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ==================== 响应式布局 ==================== */
@media (max-width: 768px) {
    .main-nav {
        flex-wrap: wrap;
        height: auto;
        padding: var(--spacing-md);
    }

    /* 汉堡菜单按钮 */
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-sm);
        color: white;
        font-size: 20px;
        width: 40px;
        height: 40px;
        cursor: pointer;
        transition: all 0.2s;
        margin-left: auto;
    }

    .mobile-menu-toggle:hover {
        background: rgba(255, 255, 255, 0.2);
    }

    .nav-menu {
        order: 3;
        width: 100%;
        flex-direction: column;
        padding-top: var(--spacing-md);
        display: none;
    }

    .nav-menu.mobile-open {
        display: flex;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-sm);
        margin-top: var(--spacing-xs);
    }

    .dropdown-menu li a {
        color: rgba(255, 255, 255, 0.9);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    /* 移动端表格滚动 */
    .table-container {
        margin: 0 calc(var(--spacing-lg) * -1);
        padding: 0 var(--spacing-lg);
    }

    /* 移动端按钮组 */
    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    /* 搜索栏移动端适配 */
    .search-bar {
        flex-direction: column;
    }

    .search-bar .form-control {
        max-width: 100%;
    }

    /* 隐藏用户名，只显示图标 */
    .nav-user .user-info span:not(.user-icon) {
        display: none;
    }
}

/* 大屏幕隐藏汉堡菜单 */
@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }
}

/* ==================== 表单错误状态 ==================== */
.form-control.error {
    border-color: var(--error-color);
    background-color: #fce8e6;
}

.form-control.error:focus {
    box-shadow: 0 0 0 3px rgba(234, 67, 53, 0.2);
}

.error-message {
    display: block;
    color: var(--error-color);
    font-size: 12px;
    margin-top: var(--spacing-xs);
}

/* ==================== 自动完成下拉框 ==================== */
.autocomplete-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.autocomplete-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.autocomplete-item:hover {
    background: var(--primary-light);
}

.autocomplete-item strong {
    color: var(--text-primary);
}

.autocomplete-item span {
    color: var(--text-muted);
    font-size: 12px;
}