/* ============================================================
   MT-BioMat 实验室管家 — 深绿侧边栏主题
   ============================================================ */

/* ---------- CSS 变量 ---------- */
:root {
    /* 侧边栏 */
    --sb-width: 220px;
    --sb-bg: #1e2e22;
    --sb-brand-bg: #1a2a1e;
    --sb-text: rgba(255, 255, 255, 0.72);
    --sb-text-hover: #ffffff;
    --sb-active-bg: rgba(255, 255, 255, 0.10);
    --sb-category: rgba(130, 180, 140, 0.55);
    --sb-border: rgba(255, 255, 255, 0.06);

    /* 全局 */
    --bg: #f4f6f4;
    --card-bg: #ffffff;
    --text: #1e2e22;
    --text-muted: #7a8a7e;
    --border: #e6ece8;
    --shadow-sm: 0 1px 3px rgba(30, 46, 34, 0.06);
    --shadow-md: 0 4px 16px rgba(30, 46, 34, 0.08);
    --shadow-lg: 0 8px 30px rgba(30, 46, 34, 0.12);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;

    /* 主题绿 */
    --green-50: #f0f7f1;
    --green-100: #dceede;
    --green-200: #b5dbb9;
    --green-400: #5cb270;
    --green-500: #4a9d5b;
    --green-600: #3d8b4e;
    --green-700: #2d6e3c;
    --green-800: #1e5a2c;

    /* 辅助色 */
    --red-400: #e8645a;
    --red-50: #fef2f1;
    --orange-400: #f0a04b;
    --orange-50: #fef7ed;
    --blue-400: #5b8def;
    --blue-50: #f0f4ff;
}

/* ---------- 重置 & 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }

/* ============================================================
   侧边栏
   ============================================================ */
.sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sb-width);
    height: 100vh;
    background: var(--sb-bg);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform 0.3s ease;
}

/* Logo */
.sidebar-brand {
    padding: 22px 20px 18px;
    border-bottom: 1px solid var(--sb-border);
}

.brand-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--green-400), var(--green-600));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 18px;
    margin-right: 12px;
    flex-shrink: 0;
}

.brand-name {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.02em;
}

.brand-sub {
    font-size: 11px;
    color: var(--sb-category);
    margin-top: 1px;
}

/* 导航 */
.sidebar-nav {
    flex: 1;
    padding: 12px 12px;
    overflow-y: auto;
}

.nav-category {
    font-size: 11px;
    font-weight: 600;
    color: var(--sb-category);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 18px 12px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--sb-text);
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.15s ease;
    margin-bottom: 2px;
    position: relative;
}

.nav-item i {
    font-size: 17px;
    width: 22px;
    text-align: center;
    margin-right: 10px;
    flex-shrink: 0;
}

.nav-item:hover {
    background: var(--sb-active-bg);
    color: var(--sb-text-hover);
}

.nav-item.active {
    background: var(--sb-active-bg);
    color: #ffffff;
    font-weight: 600;
}

.nav-badge {
    margin-left: auto;
    background: var(--red-400);
    color: #fff;
    font-size: 10.5px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    line-height: 1.4;
}

/* 用户信息 */
.sidebar-user {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-top: 1px solid var(--sb-border);
}

.user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--green-500);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    margin-right: 10px;
    flex-shrink: 0;
    object-fit: cover;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: #ffffff;
}

.user-role {
    font-size: 11px;
    color: var(--sb-category);
}

/* ============================================================
   主内容区
   ============================================================ */
.main-wrapper {
    margin-left: var(--sb-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 顶栏 */
.topbar {
    height: 60px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.topbar-left {
    display: flex;
    align-items: center;
    flex: 1;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-toggle {
    background: none; border: none;
    font-size: 22px; color: var(--text);
    padding: 4px 8px;
    margin-right: 12px;
    cursor: pointer;
}

/* 搜索框 */
.search-box {
    position: relative;
    width: 360px;
    max-width: 100%;
}

.search-box i {
    position: absolute;
    left: 14px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 15px;
}

.search-box input {
    width: 100%;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0 16px 0 40px;
    font-size: 13px;
    background: var(--bg);
    color: var(--text);
    transition: all 0.2s;
}

.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
    outline: none;
    border-color: var(--green-400);
    box-shadow: 0 0 0 3px rgba(92, 178, 112, 0.12);
    background: #fff;
}

/* 顶栏按钮 */
.btn-topbar-primary {
    display: inline-flex; align-items: center;
    height: 36px;
    padding: 0 18px;
    background: var(--green-500);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-topbar-primary:hover {
    background: var(--green-600);
    color: #fff;
}

.btn-topbar-icon {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 18px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-topbar-icon:hover {
    background: var(--green-50);
    color: var(--green-600);
}

/* Flash 消息 */
.flash-container {
    padding: 16px 28px 0;
}

.flash-msg {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 500;
    margin-bottom: 8px;
    animation: flashIn 0.3s ease;
}

@keyframes flashIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.flash-success { background: var(--green-50); color: var(--green-700); }
.flash-danger  { background: var(--red-50);   color: #b33a30; }
.flash-warning { background: var(--orange-50); color: #9a6a20; }
.flash-info    { background: var(--blue-50);  color: #3a5ec0; }

.flash-close {
    margin-left: auto;
    background: none; border: none;
    font-size: 18px; cursor: pointer;
    color: inherit; opacity: 0.5;
}

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

/* 主内容 */
.main-content {
    flex: 1;
    padding: 24px 28px;
}

/* 页脚 */
.main-footer {
    text-align: center;
    padding: 20px 28px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

/* ============================================================
   通用卡片
   ============================================================ */
.card-box {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.card-box:hover {
    box-shadow: var(--shadow-md);
}

.card-box .card-header-custom {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-box .card-header-custom h6 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}

.card-box .card-body-custom {
    padding: 20px 22px;
}

/* ============================================================
   Dashboard 统计卡片
   ============================================================ */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 22px 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: all 0.2s;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.stat-card .stat-icon {
    position: absolute;
    top: 18px; right: 20px;
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
}

.stat-card .stat-label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.1;
}

.stat-card .stat-number small {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 4px;
}

.stat-card .stat-sub {
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-muted);
}

.stat-card .stat-sub .up { color: var(--green-500); }
.stat-card .stat-sub .down { color: var(--red-400); }

/* 重点卡片 (绿色渐变) */
.stat-card.accent {
    background: linear-gradient(135deg, var(--green-500) 0%, var(--green-700) 100%);
    border-color: transparent;
    color: #fff;
}

.stat-card.accent .stat-label {
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.15);
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 11px;
}

.stat-card.accent .stat-number { color: #fff; }
.stat-card.accent .stat-number small { color: rgba(255,255,255,0.7); }
.stat-card.accent .stat-sub { color: rgba(255,255,255,0.8); }
.stat-card.accent .stat-icon { color: rgba(255,255,255,0.3); }

/* ============================================================
   Dashboard 布局
   ============================================================ */
.dash-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 20px;
}

/* ============================================================
   表格
   ============================================================ */
.table-custom {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13.5px;
}

.table-custom thead th {
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    background: transparent;
}

.table-custom tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

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

.table-custom tbody tr:hover {
    background: var(--green-50);
}

/* 用户头像 */
.avatar-sm {
    width: 32px; height: 32px;
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.avatar-sm img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-green { background: var(--green-400); }
.avatar-blue { background: var(--blue-400); }
.avatar-orange { background: var(--orange-400); }
.avatar-red { background: var(--red-400); }
.avatar-gray { background: #999; }
.avatar-purple { background: #9b59b6; }

/* ============================================================
   状态标签 / Badge
   ============================================================ */
.badge-status {
    display: inline-flex; align-items: center;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    gap: 5px;
}

.badge-status::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
}

.badge-green        { background: var(--green-50); color: var(--green-700); }
.badge-green::before { background: var(--green-500); }

.badge-gray         { background: #f0f0f0; color: #888; }
.badge-gray::before  { background: #bbb; }

.badge-red          { background: var(--red-50); color: #b33a30; }
.badge-red::before   { background: var(--red-400); }

.badge-orange        { background: var(--orange-50); color: #9a6a20; }
.badge-orange::before { background: var(--orange-400); }

.badge-blue          { background: var(--blue-50); color: #3a5ec0; }
.badge-blue::before   { background: var(--blue-400); }

/* ============================================================
   按钮
   ============================================================ */
.btn-g {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.btn-g-primary {
    background: var(--green-500);
    color: #fff;
}
.btn-g-primary:hover { background: var(--green-600); color: #fff; }

.btn-g-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-g-outline:hover { background: var(--green-50); border-color: var(--green-200); color: var(--green-700); }

.btn-g-danger {
    background: transparent;
    color: var(--red-400);
    border: 1px solid #f0d0cc;
}
.btn-g-danger:hover { background: var(--red-50); }

.btn-g-sm {
    padding: 5px 12px;
    font-size: 12px;
    border-radius: var(--radius-xs);
}

.btn-g-icon {
    width: 32px; height: 32px;
    padding: 0;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.15s;
}

.btn-g-icon:hover { background: var(--green-50); color: var(--green-600); border-color: var(--green-200); }
.btn-g-icon.danger:hover { background: var(--red-50); color: var(--red-400); border-color: #f0d0cc; }

/* ============================================================
   表单
   ============================================================ */
.form-field {
    margin-bottom: 18px;
}

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

.form-field label .req { color: var(--red-400); }

.form-input {
    width: 100%;
    height: 40px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    color: var(--text);
    background: #fff;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--green-400);
    box-shadow: 0 0 0 3px rgba(92, 178, 112, 0.1);
}

.form-input::placeholder { color: #bbb; }

textarea.form-input {
    height: auto;
    padding: 10px 14px;
    resize: vertical;
}

select.form-input {
    cursor: pointer;
    -webkit-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='%237a8a7e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

/* ============================================================
   上传拖拽区
   ============================================================ */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.25s;
    background: var(--green-50);
    padding: 36px 20px;
    text-align: center;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--green-400);
    background: var(--green-100);
}

.upload-zone .upload-icon {
    font-size: 42px;
    color: var(--green-400);
    margin-bottom: 8px;
}

.upload-zone p {
    margin: 0;
    font-size: 14px;
    color: var(--text);
}

.upload-zone p a {
    color: var(--green-500);
    font-weight: 600;
}

.upload-zone small {
    color: var(--text-muted);
    font-size: 12px;
}

/* ============================================================
   文件卡片 (中转站 & 归档)
   ============================================================ */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.file-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    transition: all 0.2s;
}

.file-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.file-card .file-main {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 12px;
}

.file-card .file-icon-box {
    width: 44px; height: 44px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.icon-bg-green  { background: var(--green-50); color: var(--green-500); }
.icon-bg-red    { background: var(--red-50);   color: var(--red-400); }
.icon-bg-blue   { background: var(--blue-50);  color: var(--blue-400); }
.icon-bg-orange { background: var(--orange-50); color: var(--orange-400); }
.icon-bg-gray   { background: #f0f0f0; color: #999; }

.file-card .file-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
    line-height: 1.4;
}

.file-card .file-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.file-card .file-desc {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.5;
}

.file-card .file-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.file-card .file-footer .file-info {
    font-size: 12px;
    color: var(--text-muted);
    display: flex; align-items: center; gap: 12px;
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 11.5px;
    font-weight: 500;
    background: var(--green-50);
    color: var(--green-700);
    margin: 2px 4px 2px 0;
}

/* ============================================================
   日期分组标题
   ============================================================ */
.date-group-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin: 24px 0 14px;
    display: flex; align-items: center; gap: 8px;
}

.date-group-title:first-child {
    margin-top: 0;
}

.date-group-title i {
    color: var(--green-500);
}

/* ============================================================
   空状态
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 56px;
    color: var(--border);
    margin-bottom: 16px;
}

.empty-state h5 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* ============================================================
   右侧面板工具卡
   ============================================================ */
.tool-card {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.15s;
    cursor: pointer;
    text-decoration: none;
    color: var(--text);
}

.tool-card:hover {
    border-color: var(--green-200);
    box-shadow: var(--shadow-sm);
}

.tool-card .tool-icon {
    width: 42px; height: 42px;
    border-radius: var(--radius-sm);
    background: var(--green-50);
    color: var(--green-500);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.tool-card .tool-info h6 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
}

.tool-card .tool-info p {
    margin: 2px 0 0;
    font-size: 12px;
    color: var(--text-muted);
}

/* 最近文档列表 */
.recent-docs {
    list-style: none;
    padding: 0;
    margin: 14px 0 0;
}

.recent-docs li {
    padding: 8px 0;
    display: flex; align-items: center; gap: 10px;
    font-size: 13px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.recent-docs li:last-child { border-bottom: none; }

.recent-docs li i {
    font-size: 16px;
    flex-shrink: 0;
}

.recent-docs li a:hover {
    color: var(--green-500);
}

/* ============================================================
   页面标题栏
   ============================================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.page-header .page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    display: flex; align-items: center; gap: 10px;
}

.page-header .page-title .back-btn {
    width: 34px; height: 34px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: var(--card-bg);
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    transition: all 0.15s;
    text-decoration: none;
}

.page-header .page-title .back-btn:hover {
    background: var(--green-50);
    color: var(--green-600);
}

.page-actions {
    display: flex; gap: 8px;
}

/* ============================================================
   筛选栏
   ============================================================ */
.filter-bar {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 18px;
    display: flex;
    align-items: flex-end;
    gap: 14px;
    flex-wrap: wrap;
}

.filter-bar .filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-bar .filter-group label {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-muted);
}

.filter-bar .filter-group .form-input {
    height: 34px;
    font-size: 13px;
}

.filter-bar .filter-group .search-wrap {
    position: relative;
}

.filter-bar .filter-group .search-wrap i {
    position: absolute;
    left: 10px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

.filter-bar .filter-group .search-wrap input {
    padding-left: 32px;
}

/* ============================================================
   Modal 弹窗
   ============================================================ */
.modal-content {
    border-radius: var(--radius) !important;
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 18px 24px;
    border-bottom-color: var(--border);
}

.modal-header .modal-title {
    font-size: 16px;
    font-weight: 700;
}

.modal-body { padding: 20px 24px; }
.modal-footer {
    padding: 14px 24px;
    border-top-color: var(--border);
    gap: 8px;
}

/* ============================================================
   滚动条
   ============================================================ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #aaa; }

.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); }

/* ============================================================
   遮罩 (移动端)
   ============================================================ */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1035;
}

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

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-wrapper {
        margin-left: 0;
    }
    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .dash-grid {
        grid-template-columns: 1fr;
    }
    .search-box {
        width: 220px;
    }
}

@media (max-width: 575.98px) {
    .stat-cards {
        grid-template-columns: 1fr;
    }
    .main-content {
        padding: 16px;
    }
    .topbar {
        padding: 0 16px;
    }
    .file-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   批量申请表格
   ============================================================ */
.batch-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.batch-table th {
    padding: 8px 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.batch-table td {
    padding: 6px 4px;
}

.batch-table .form-input {
    height: 34px;
    font-size: 12.5px;
    padding: 0 8px;
}

/* ============================================================
   新增预约按钮样式
   ============================================================ */
.add-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: color 0.15s;
}

.add-link:hover {
    color: var(--green-500);
}

/* ============================================================
   汇总信息条
   ============================================================ */
.summary-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-top: 14px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ============================================================
   登录页
   ============================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f4f6f4 0%, #e2ede4 50%, #dceede 100%);
    padding: 20px;
}

.login-card {
    width: 400px;
    max-width: 100%;
    background: #ffffff;
    border-radius: 20px;
    padding: 44px 36px 36px;
    box-shadow: 0 8px 40px rgba(30, 46, 34, 0.10);
}

.login-logo {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--green-400), var(--green-700));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
}

/* ============================================================
   侧边栏退出按钮
   ============================================================ */
.sidebar-logout {
    color: rgba(255,255,255,0.4);
    font-size: 16px;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.15s;
    text-decoration: none;
    flex-shrink: 0;
}

.sidebar-logout:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

/* ============================================================
   用户下拉菜单
   ============================================================ */
.topbar-user-dropdown .dropdown-menu {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
}

.topbar-user-dropdown .dropdown-header {
    padding: 8px 16px;
}

.topbar-user-dropdown .dropdown-item {
    font-size: 13px;
    padding: 8px 16px;
}

.topbar-user-dropdown .dropdown-item:hover {
    background: var(--green-50);
    color: var(--green-700);
}

/* ============================================================
   d-none 辅助
   ============================================================ */
.d-none { display: none !important; }

/* ============================================================
   个人信息页面 - 头像
   ============================================================ */
.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    object-fit: cover;
    border: 4px solid var(--border);
    box-shadow: var(--shadow-md);
}

.avatar-upload-btn {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--green-500);
    color: #fff;
    border: 3px solid #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.avatar-upload-btn:hover {
    background: var(--green-600);
    transform: scale(1.1);
}

/* ============================================================
   用户卡片（通讯录）
   ============================================================ */
.user-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all 0.2s;
}

.user-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--green-200);
}

.avatar-lg {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    object-fit: cover;
}

.avatar-purple { background: #9b59b6; }

/* 筛选标签 */
.filter-tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--card-bg);
    border: 1px solid var(--border);
    transition: all 0.15s;
    text-decoration: none;
}

.filter-tag:hover {
    background: var(--green-50);
    color: var(--green-700);
    border-color: var(--green-200);
}

.filter-tag.active {
    background: var(--green-500);
    color: #fff;
    border-color: var(--green-500);
}

/* 警告背景 */
.bg-warning {
    background: var(--orange-50);
}

/* 文本颜色变量 */
:root {
    --text-primary: var(--text);
    --purple-500: #9b59b6;
}