/* ============================================================
   律师事务所管理系统 —— 专业深蓝主题
   设计原则：稳重、克制、清晰；白底 + 深蓝点缀 + 中性灰背景 + 柔和阴影
   ============================================================ */
:root {
    --topbar-h: 56px;
    --sidebar-w: 200px;
    --sidebar-collapsed: 64px;

    /* 主色：专业深蓝 */
    --primary: #1f4e79;
    --primary-color: #1f4e79;
    --primary-dark: #16395c;
    --primary-light: #2b6a9e;
    --primary-50: #f4f5f7;
    --primary-100: #eaedf0;
    --primary-200: #d6dce3;

    --accent: #5b7186;
    --accent-hover: #40586f;

    --sidebar-bg: #ffffff;
    --sidebar-hover: #f4f5f7;
    --sidebar-active: #e9ecf0;
    --content-bg: #f5f6f7;

    --text: #2b3a4d;
    --text-muted: #66788f;
    --text-light: #9aa9bc;
    --border: #e2e9f2;
    --border-light: #edf2f8;
    --card-bg: #ffffff;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
    --shadow: 0 1px 3px rgba(15, 23, 42, .06);
    --shadow-md: 0 4px 14px rgba(15, 23, 42, .08);
    --shadow-lg: 0 12px 36px rgba(15, 23, 42, .14);

    --radius: 8px;
    --radius-sm: 6px;
    --transition: .18s ease;

    /* 同步覆盖 Bootstrap 主色变量，使 btn/bg/text/pagination 等组件统一 */
    --bs-primary: #1f4e79;
    --bs-primary-rgb: 31, 78, 121;
    --bs-link-color: #1f4e79;
    --bs-link-hover-color: #16395c;
    --bs-border-color: #e2e9f2;
    --bs-secondary-color: #66788f;
}

* { box-sizing: border-box; }

body {
    margin: 0; padding: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "STHeiti", "WenQuanYi Micro Hei", sans-serif;
    background: var(--content-bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.65;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection { background: rgba(31, 78, 121, .16); }

h1, h2, h3, h4, h5, h6 { color: var(--text); font-weight: 600; }

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

/* ===== 顶部栏 ===== */
.topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1030;
    height: var(--topbar-h);
    background: #ffffff;
    display: flex; align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}
.topbar-brand {
    width: auto;
    min-width: var(--sidebar-w);
    height: 100%;
    display: flex; align-items: center; gap: 10px;
    padding: 0 14px;
    background: transparent;
    color: var(--primary-dark);
    text-decoration: none; font-size: 16px; font-weight: 700;
    letter-spacing: .5px;
    transition: var(--transition);
}
.topbar-brand:hover { color: var(--primary); }
.topbar-brand .brand-logo,
.topbar-brand img {
    height: 34px;
    width: 34px;
    flex-shrink: 0;
    border-radius: 8px;
    object-fit: cover;
    display: block;
}
.topbar-brand .brand-text {
    white-space: nowrap;
    font-size: 17px;
    line-height: 1.2;
    color: var(--primary-dark);
    font-weight: 700;
}
.sidebar-collapsed .topbar-brand { width: var(--sidebar-collapsed); min-width: var(--sidebar-collapsed); justify-content: center; padding: 0 6px; }
.sidebar-collapsed .topbar-brand .brand-text { display: none; }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.topbar-right .btn {
    color: #5b6f86; border: none; background: transparent;
    padding: 7px 13px; font-size: 14px; border-radius: var(--radius-sm);
    transition: var(--transition);
}
.topbar-right .btn:hover { color: var(--primary); background: var(--primary-50); }
.topbar-right .btn .fa-crown { color: #d9a426; }
.topbar-user { color: #5b6f86; font-size: 14px; }
.topbar-user i { margin-right: 6px; color: var(--primary); }
.topbar-divider { width: 1px; height: 22px; background: var(--border); margin: 0 6px; }

/* ===== 侧边栏 ===== */
.sidebar {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0;
    width: var(--sidebar-w); z-index: 1020;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    overflow-y: auto; overflow-x: hidden;
    transition: var(--transition);
    padding: 10px 0;
}
.sidebar-collapsed .sidebar { width: var(--sidebar-collapsed); }

.sidebar-section {
    padding: 12px 22px 4px; font-size: 12px; font-weight: 600;
    color: var(--text-light); letter-spacing: .5px; white-space: nowrap;
}
.sidebar-collapsed .sidebar-section { display: none; }

.sidebar-nav { list-style: none; margin: 0; padding: 0 10px; }
.sidebar-nav li { margin: 1px 0; }
.sidebar-nav a {
    position: relative;
    display: flex; align-items: center; gap: 12px;
    padding: 8px 14px; border-radius: var(--radius-sm);
    color: #44566c; text-decoration: none; font-size: 14px; font-weight: 500;
    transition: var(--transition); white-space: nowrap;
}
.sidebar-nav a:hover { background: var(--sidebar-hover); color: var(--primary); }
.sidebar-nav a.active {
    background: var(--sidebar-active); color: var(--primary-dark); font-weight: 600;
    box-shadow: inset 3px 0 0 var(--primary);
}
.sidebar-nav a i { width: 20px; text-align: center; font-size: 15px; flex-shrink: 0; color: #8fa0b5; transition: var(--transition); }
.sidebar-nav a:hover i, .sidebar-nav a.active i { color: var(--primary); }
.sidebar-nav a .nav-label { transition: var(--transition); }
.sidebar-collapsed .sidebar-nav a { gap: 0; padding: 10px 0; justify-content: center; border-radius: var(--radius-sm); margin: 2px 8px; }
.sidebar-collapsed .sidebar-nav a.active { box-shadow: none; background: var(--sidebar-active); }
.sidebar-collapsed .sidebar-nav a .nav-label { display: none; }

.sidebar-toggle {
    position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
    background: #fff; border: 1px solid var(--border); color: var(--text-muted);
    width: 34px; height: 34px; border-radius: var(--radius-sm); cursor: pointer;
    font-size: 13px; display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.sidebar-toggle:hover { background: var(--primary-50); color: var(--primary); border-color: var(--primary-200); }

/* ===== 主内容区 ===== */
.main-content {
    margin-left: var(--sidebar-w); margin-top: var(--topbar-h);
    padding: 22px 26px; min-height: calc(100vh - var(--topbar-h));
    transition: var(--transition);
}
.sidebar-collapsed .main-content { margin-left: var(--sidebar-collapsed); }

/* ===== 卡片 ===== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow .2s ease;
}
.card-header {
    background: #f8fafd;
    border-bottom: 1px solid var(--border-light);
    font-weight: 600;
    padding: 12px 16px;
    font-size: 14px;
    color: #33465c;
}
.card-body { padding: 16px 18px; }

.card-header.bg-primary {
    background: var(--primary) !important;
    border-bottom: none;
    color: #fff;
    font-weight: 600;
}
.card-header.bg-primary .text-white,
.card-header.bg-primary h5,
.card-header.bg-primary h6 { color: #fff !important; }

/* ===== 表格 ===== */
.table { margin-bottom: 0; }
.table > :not(caption) > * > * { padding: .7rem .85rem; }
.table th { font-weight: 600; font-size: 13px; color: #5b6f86; border-bottom: 1px solid var(--border); background: #f7fafd; }
.table td { border-color: var(--border-light); color: #3a4c61; }
.table-light, .table-light > th { background: #f7fafd !important; }
/* 去除 Bootstrap 5.1 默认的深色粗分隔线（.table>:not(:first-child) 的 2px currentColor，
   在存在 colgroup 或多个表区段时会呈现黑色横线），统一改用上面的浅灰 1px 分隔 */
.table > :not(:first-child) { border-top: 0; }
.table-hover tbody tr { transition: background .15s; }
.table-hover tbody tr:hover { background: var(--primary-50); }

/* ===== 统计卡片 ===== */
.stats-card {
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow .2s ease, transform .2s ease;
    border: 1px solid var(--border);
    background: #fff;
}
.stats-card:hover { box-shadow: var(--shadow-md); }
.stats-value { font-size: 1.8rem; font-weight: 700; color: var(--primary-dark); font-variant-numeric: tabular-nums; }
.stats-label { font-size: .85rem; color: var(--text-muted); margin-top: 2px; }

/* ===== 按钮 ===== */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition);
    letter-spacing: 0;
}
.btn:focus { box-shadow: 0 0 0 3px rgba(31, 78, 121, .15); }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover, .btn-primary:focus { background: var(--primary-light); border-color: var(--primary-light); box-shadow: 0 2px 8px rgba(31, 78, 121, .25); }
.btn-primary:active { background: var(--primary-dark) !important; border-color: var(--primary-dark) !important; }
.btn-outline-primary { color: var(--primary); border-color: var(--primary-200); background: #fff; }
.btn-outline-primary:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-outline-secondary { color: #5b6f86; border-color: #d3deea; background: #fff; }
.btn-outline-secondary:hover { background: var(--primary-50); color: var(--primary); border-color: var(--primary-200); }
.btn-sm { border-radius: var(--radius-sm); }
.btn-link { color: var(--primary); text-decoration: none; }
.btn-link:hover { color: var(--primary-dark); }

/* ===== 表单 ===== */
.form-label { font-weight: 500; color: #44566c; }
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border-color: #d7e0ec;
    font-size: 14px;
    transition: var(--transition);
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 78, 121, .13);
}
.form-control-lg { border-radius: var(--radius); }
.input-group-text { background: #f7fafd; border-color: #d7e0ec; color: var(--text-muted); }
.form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }
.form-check-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(31, 78, 121, .13); }

/* ===== 徽章（浅色标签风格，克制清晰） ===== */
.badge { font-weight: 500; letter-spacing: 0; border-radius: 5px; padding: .35em .6em; }
.badge.bg-primary { background: #eaedf0 !important; color: #16395c; }
.badge.bg-success { background: #e7f5ec !important; color: #1f7a43; }
.badge.bg-warning { background: #fdf3e0 !important; color: #97660f; }
.badge.bg-danger  { background: #fdecea !important; color: #bf3b2d; }
.badge.bg-info    { background: #e4f2fa !important; color: #1b6d9e; }
.badge.bg-secondary { background: #eef2f7 !important; color: #5b6b7e; }
.badge.bg-dark { background: #33465c !important; color: #fff; }
/* 深色按钮内、白色顶栏上的计数徽章保持实心醒目 */
.btn .badge.bg-danger, .btn .badge.bg-warning,
.topbar-right .badge {
    background: #dc3545 !important; color: #fff !important;
}

/* ===== 分页 ===== */
.pagination .page-link {
    border-radius: var(--radius-sm); margin: 0 3px;
    border-color: var(--border); color: var(--primary);
    transition: var(--transition);
}
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .page-link:hover { background: var(--primary-50); color: var(--primary-dark); }
.pagination .disabled .page-link { color: var(--text-light); }

/* ===== 提示框 ===== */
.alert { border-radius: var(--radius); border: 1px solid transparent; box-shadow: var(--shadow-sm); }
.alert-success { background: #f0f8f3; border-color: #d6ebdd; color: #27683f; }
.alert-info    { background: #eef6fc; border-color: #d3e7f6; color: #1b618c; }
.alert-warning { background: #fdf7ea; border-color: #f5e3bb; color: #8a5e10; }
.alert-danger  { background: #fdf0ee; border-color: #f6d5d0; color: #b03326; }
.alert-primary { background: var(--primary-50); border-color: var(--primary-200); color: var(--primary-dark); }
.alert .btn-close { font-size: .75rem; }

/* ===== 下拉菜单 ===== */
.dropdown-menu {
    border-radius: var(--radius); border: 1px solid var(--border);
    box-shadow: var(--shadow-lg); padding: 6px;
}
.dropdown-item { border-radius: var(--radius-sm); padding: 8px 14px; font-size: 14px; color: #44566c; transition: var(--transition); }
.dropdown-item:hover, .dropdown-item:focus { background: var(--primary-50); color: var(--primary-dark); }
.dropdown-divider { border-color: var(--border-light); }

/* ===== 弹窗 ===== */
.modal-content { border-radius: 10px; border: 1px solid var(--border); box-shadow: var(--shadow-lg); }
.modal-header { border-bottom: 1px solid var(--border-light); }
.modal-footer { border-top: 1px solid var(--border-light); }

/* ===== 面包屑 ===== */
.breadcrumb { background: transparent; padding: 0; margin-bottom: 12px; font-size: 13px; }
.breadcrumb-item a { color: var(--text-muted); text-decoration: none; }
.breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-item.active { color: var(--text); font-weight: 500; }

/* ===== 手风琴 / 选项卡 ===== */
.accordion-item { border: 1px solid var(--border); border-radius: var(--radius) !important; overflow: hidden; margin-bottom: 8px; }
.accordion-button { font-weight: 600; color: #33465c; background: #fff; }
.accordion-button:not(.collapsed) { background: var(--primary-50); color: var(--primary-dark); box-shadow: none; }
.accordion-button:focus { border-color: var(--primary-200); box-shadow: 0 0 0 3px rgba(31, 78, 121, .1); }
.accordion-body { color: #44566c; }

.nav-tabs { border-bottom: 1px solid var(--border); }
.nav-tabs .nav-link { color: var(--text-muted); border: none; border-bottom: 2px solid transparent; font-weight: 500; }
.nav-tabs .nav-link:hover { color: var(--primary); border-color: transparent; }
.nav-tabs .nav-link.active { color: var(--primary-dark); border: none; border-bottom: 2px solid var(--primary); background: transparent; font-weight: 600; }

/* ===== 页脚 ===== */
footer { padding: 16px 0; text-align: center; color: var(--text-light); font-size: 12px; }

/* ===== 轻淡入场动画 ===== */
.fade-in { animation: fadeUp .25s ease both; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== 无侧边栏页面 ===== */
body.no-sidebar .sidebar, body.no-sidebar .topbar { display: none; }
body.no-sidebar .main-content { margin-left: 0; margin-top: 0; }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #c9d6e4; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #a9bed6; }
::-webkit-scrollbar-track { background: transparent; }

/* ===== 工具类 ===== */
.text-primary-color { color: var(--primary) !important; }

/* ============================================================
   Surface Kit：统一页面框架
   ============================================================ */
/* 统一页面内容宽度：铺满右侧可用区，仅在极宽屏(>1600px)居中上限，避免表格过散 */
.sf-page,
.sf-page-wide { width: 100%; max-width: 1600px; }

.sf-hero {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1rem;
}
.sf-hero::before,
.sf-hero::after { display: none; }
.sf-hero-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.sf-hero h1,
.sf-hero .sf-hero-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 .25rem;
  color: var(--primary-dark);
  line-height: 1.3;
}
.sf-hero p,
.sf-hero .sf-hero-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: .875rem;
}
.sf-hero-icon { display: none; }
.sf-back {
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid #d3deea;
  color: var(--primary);
  font-size: .82rem;
  font-weight: 500;
  white-space: nowrap;
  padding: .3rem .75rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  transition: var(--transition);
}
.sf-back:hover {
  background: var(--primary-50);
  border-color: var(--primary-200);
  color: var(--primary-dark);
}

.sf-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 1rem;
}
.sf-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .65rem;
  padding: .75rem 1rem;
  background: #f8fafd;
  border-bottom: 1px solid var(--border-light);
}
.sf-panel-head h2,
.sf-panel-head .sf-panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-dark);
}
.sf-panel-body { padding: 1rem; }
.sf-panel-body.p-0 { padding: 0; }

.sf-section-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin: 0 0 .75rem;
}
.sf-section-title i { display: none; }

.sf-filters {
  display: inline-flex;
  flex-wrap: wrap;
  gap: .2rem;
  padding: .15rem;
  background: #edf3fa;
  border-radius: var(--radius-sm);
}
.sf-filters a,
.sf-filters .sf-filter {
  text-decoration: none;
  color: var(--text-muted);
  font-size: .82rem;
  font-weight: 500;
  padding: .28rem .65rem;
  border-radius: 4px;
  white-space: nowrap;
  border: none;
  background: transparent;
  transition: background .15s, color .15s;
}
.sf-filters a:hover,
.sf-filters .sf-filter:hover {
  color: var(--primary);
  background: #fff;
}
.sf-filters a.active,
.sf-filters .sf-filter.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 1px 3px rgba(31, 78, 121, .3);
}

.sf-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: 1rem;
}
.sf-search-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
}
.sf-search-row .form-control,
.sf-search-row .form-select { border-radius: var(--radius-sm); }

.sf-empty {
  text-align: center;
  padding: 2.2rem 1.25rem;
  color: var(--text-light);
}
.sf-empty i {
  font-size: 1.6rem;
  color: #b9c8d9;
  display: block;
  margin-bottom: .5rem;
}

.sf-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}
.sf-stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .85rem 1rem;
  box-shadow: var(--shadow-sm);
}
.sf-stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.sf-stat-label {
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: .2rem;
}

.sf-badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 500;
  padding: .15rem .45rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #f7fafd;
  color: #5b6b7e;
}
.sf-badge-primary { background: #eaedf0; color: #16395c; border-color: #cfe0f2; }
.sf-badge-success { background: #e7f5ec; color: #1f7a43; border-color: #c9e7d3; }
.sf-badge-warning { background: #fdf3e0; color: #97660f; border-color: #f3dfae; }
.sf-badge-danger { background: #fdecea; color: #bf3b2d; border-color: #f4cfc9; }
.sf-badge-muted { background: #f1f5f9; color: #64748b; border-color: #e2e8f0; }

.sf-table thead th {
  background: #f7fafd;
  color: #5b6f86;
  font-weight: 600;
  font-size: .8rem;
  border-bottom: 1px solid #e6edf5;
  white-space: nowrap;
}
.sf-table tbody td {
  vertical-align: middle;
  border-color: #eff4f9;
}
.sf-table tbody tr:hover { background: var(--primary-50); }

.section-title h2,
.section-title .h4,
.dashboard-section > h1,
.dashboard-section > h2 {
  color: var(--primary-dark);
  font-weight: 600;
}
.section-title i { display: none; }

.main-content > .container > h1:first-child,
.main-content > .container-fluid > h1:first-child,
.main-content > .fade-in > h1:first-child,
.main-content > h1:first-child {
  color: var(--primary-dark);
  font-weight: 700;
}
.main-content h1 > .fas,
.main-content h1 > .far,
.main-content h2 > .fas,
.main-content h3 > .fas {
  display: none;
}

@media (max-width: 576px) {
  .sf-hero { padding: .9rem 1rem; }
  .sf-hero h1, .sf-hero .sf-hero-title { font-size: 1.15rem; }
}