/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   验证管理系统 — 大气简约主题
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

:root {
    --sidebar-w: 260px;
    --sidebar-bg: #0f1117;
    --sidebar-hover: rgba(255,255,255,.06);
    --sidebar-active: rgba(99,132,255,.15);
    --sidebar-accent: #6384ff;
    --body-bg: #f5f6fa;
    --card-bg: #ffffff;
    --card-border: rgba(0,0,0,.04);
    --card-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.03);
    --card-shadow-hover: 0 4px 24px rgba(0,0,0,.07);
    --text-primary: #1a1d26;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --accent: #6384ff;
    --accent-light: #eef1ff;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border: #e5e7eb;
    --topbar-h: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: .2s ease;
}

/* ━━━ 基础 ━━━ */

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    background: var(--body-bg);
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #4f6ef0; }

/* ━━━ 侧边栏 ━━━ */

.sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    position: fixed;
    left: 0; top: 0;
    z-index: 1040;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    transition: transform .3s cubic-bezier(.4,0,.2,1);
    border-right: 1px solid rgba(255,255,255,.04);
}

.sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.sidebar-header h5 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .3px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h5 i {
    font-size: 20px;
    color: var(--sidebar-accent);
}

.sidebar .nav {
    flex: 1;
    padding: 12px 10px;
    overflow-y: auto;
}

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

.sidebar .nav-link {
    padding: 11px 16px;
    font-size: 13.5px;
    font-weight: 500;
    color: rgba(255,255,255,.55);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar .nav-link i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    opacity: .7;
    transition: opacity var(--transition);
}

.sidebar .nav-link:hover {
    background: var(--sidebar-hover);
    color: rgba(255,255,255,.85);
}

.sidebar .nav-link:hover i { opacity: 1; }

.sidebar .nav-link.active {
    background: var(--sidebar-active);
    color: #fff;
}

.sidebar .nav-link.active i {
    color: var(--sidebar-accent);
    opacity: 1;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.06);
    text-align: center;
}

.sidebar-footer small { color: rgba(255,255,255,.2); font-size: 11px; }

/* ━━━ 主区域 ━━━ */

.main-content {
    margin-left: var(--sidebar-w);
    width: calc(100% - var(--sidebar-w));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ━━━ 顶栏 ━━━ */

.navbar {
    height: var(--topbar-h);
    background: var(--card-bg) !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 0 28px !important;
    position: sticky;
    top: 0;
    z-index: 1020;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.navbar h5 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
}

.navbar .btn-outline-danger {
    font-size: 12.5px;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 500;
}

.navbar .text-muted {
    font-size: 13px;
}

/* ━━━ 内容区 ━━━ */

.container-fluid {
    padding: 28px !important;
    max-width: 1400px;
}

/* ━━━ 卡片 ━━━ */

.card {
    border: 1px solid var(--card-border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--card-shadow) !important;
    background: var(--card-bg);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

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

.card-header {
    background: var(--card-bg) !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 16px 20px !important;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.card-header i {
    color: var(--accent);
    font-size: 15px;
}

.card-body {
    padding: 20px !important;
}

.card-footer {
    background: var(--card-bg) !important;
    border-top: 1px solid var(--border) !important;
    padding: 12px 20px !important;
}

/* ━━━ 统计卡片 ━━━ */

.stat-card {
    border: 1px solid var(--card-border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--card-shadow) !important;
    padding: 20px !important;
    background: var(--card-bg);
    transition: all var(--transition);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.5px;
    color: var(--text-primary);
}

.stat-label {
    font-size: 12.5px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}

/* ━━━ 表格 ━━━ */

.table {
    margin-bottom: 0;
    font-size: 13.5px;
}

.table thead th {
    font-weight: 600;
    font-size: 11.5px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .6px;
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    white-space: nowrap;
    background: #fafbfc;
}

.table tbody td {
    padding: 12px 16px;
    vertical-align: middle;
    border-bottom: 1px solid #f3f4f6;
    color: var(--text-primary);
}

.table-hover tbody tr:hover {
    background: #f8f9ff;
}

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

/* ━━━ 徽章 ━━━ */

.badge {
    font-weight: 600;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: .2px;
}

.badge.bg-success { background: #dcfce7 !important; color: #166534 !important; }
.badge.bg-danger  { background: #fee2e2 !important; color: #991b1b !important; }
.badge.bg-warning { background: #fef3c7 !important; color: #92400e !important; }
.badge.bg-secondary { background: #f3f4f6 !important; color: #6b7280 !important; }
.badge.bg-primary { background: var(--accent-light) !important; color: var(--accent) !important; }
.badge.bg-info    { background: #dbeafe !important; color: #1e40af !important; }

/* ━━━ 按钮 ━━━ */

.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13.5px;
    padding: 8px 18px;
    transition: all var(--transition);
    letter-spacing: .1px;
}

.btn:active { transform: scale(.97); }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
}
.btn-primary:hover {
    background: #4f6ef0;
    border-color: #4f6ef0;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 12.5px;
    border-radius: 6px;
}

.btn-outline-primary { color: var(--accent); border-color: #d4dafc; }
.btn-outline-primary:hover { background: var(--accent-light); color: var(--accent); border-color: var(--accent); }

.btn-outline-secondary { color: var(--text-secondary); border-color: var(--border); }
.btn-outline-secondary:hover { background: #f9fafb; }

.btn-outline-danger { color: var(--danger); border-color: #fecaca; }
.btn-outline-danger:hover { background: #fef2f2; color: var(--danger); }

.btn-outline-warning { color: #d97706; border-color: #fde68a; }
.btn-outline-warning:hover { background: #fffbeb; }

.btn-outline-info { color: #2563eb; border-color: #bfdbfe; }
.btn-outline-info:hover { background: #eff6ff; }

.btn-outline-success { color: #16a34a; border-color: #bbf7d0; }
.btn-outline-success:hover { background: #f0fdf4; }

/* ━━━ 表单 ━━━ */

.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 13.5px;
    padding: 9px 14px;
    transition: border-color var(--transition), box-shadow var(--transition);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99,132,255,.12);
}

.form-control-sm, .form-select-sm {
    padding: 6px 10px;
    font-size: 12.5px;
}

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

.input-group-text {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: #fafbfc;
    color: var(--text-muted);
    font-size: 14px;
}

textarea.form-control {
    min-height: 80px;
}

/* ━━━ 分页 ━━━ */

.pagination { gap: 3px; }

.page-link {
    border-radius: 8px !important;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 12.5px;
    font-weight: 600;
    padding: 6px 12px;
    transition: all var(--transition);
}

.page-link:hover { background: var(--accent-light); color: var(--accent); border-color: #d4dafc; }
.page-item.active .page-link { background: var(--accent); border-color: var(--accent); color: #fff; }
.page-item.disabled .page-link { color: var(--text-muted); background: #fafbfc; }

/* ━━━ Alert ━━━ */

.alert {
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    border: none;
    padding: 12px 18px;
}

.alert-success { background: #dcfce7; color: #166534; }
.alert-danger  { background: #fee2e2; color: #991b1b; }
.alert-warning { background: #fef3c7; color: #92400e; }

/* ━━━ code / pre ━━━ */

code {
    color: var(--accent);
    background: var(--accent-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12.5px;
}

pre.card-key-list {
    background: #f8f9fa;
    padding: 16px;
    border-radius: var(--radius-sm);
    max-height: 360px;
    overflow-y: auto;
    font-size: 13px;
    border: 1px solid var(--border);
}

/* ━━━ 搜索框 ━━━ */

.search-box { max-width: 260px; }

/* ━━━ 操作按钮行 ━━━ */

.bg-light {
    background: #fafbfc !important;
}

/* ━━━ 滚动条 ━━━ */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #9ca3af; }

/* ━━━ 选择框样式 ━━━ */

input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   手机端适配
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* 遮罩层 */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 1035;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

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

@media (max-width: 992px) {
    :root {
        --sidebar-w: 280px;
    }

    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }

    .sidebar.show {
        transform: translateX(0);
        box-shadow: 4px 0 32px rgba(0,0,0,.3);
    }

    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }

    .container-fluid {
        padding: 16px !important;
    }

    .navbar {
        padding: 0 16px !important;
        height: 56px;
    }

    .navbar h5 { font-size: 15px; }

    /* 统计卡片 2列 */
    .stat-card { padding: 14px !important; }
    .stat-value { font-size: 22px; }
    .stat-icon { width: 40px; height: 40px; font-size: 17px; }

    /* 卡片 */
    .card-header { padding: 14px 16px !important; font-size: 13px; }
    .card-body { padding: 16px !important; }

    /* 表格横滑 */
    .table-responsive { -webkit-overflow-scrolling: touch; }
    .table { font-size: 12.5px; }
    .table thead th { padding: 10px 12px; font-size: 10.5px; }
    .table tbody td { padding: 10px 12px; }

    /* 按钮 */
    .btn { font-size: 12.5px; padding: 7px 14px; }

    /* 筛选栏自适应 */
    .card-header .d-flex { flex-wrap: wrap; gap: 6px; }
    .card-header form { width: 100%; }
    .card-header .form-select-sm,
    .card-header .form-control-sm { font-size: 12px; }

    /* 隐藏桌面端的某些列 */
    .hide-mobile { display: none !important; }
}

@media (max-width: 576px) {
    .container-fluid { padding: 12px !important; }
    
    /* 统计卡全宽 */
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }

    .stat-value { font-size: 20px; }
    .stat-label { font-size: 11px; }

    .navbar .text-muted { display: none; }

    /* row gap 缩小 */
    .row.g-3 { --bs-gutter-y: 0.6rem; --bs-gutter-x: 0.6rem; }
    .row.g-4 { --bs-gutter-y: 0.8rem; --bs-gutter-x: 0.8rem; }

    .search-box { max-width: 100%; }
}

/* ━━━ 登录页 ━━━ */

.login-page {
    background: linear-gradient(145deg, #0f1117 0%, #161929 40%, #1a1f3a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    max-width: 400px;
    width: 100%;
    border-radius: 20px !important;
    box-shadow: 0 24px 80px rgba(0,0,0,.4) !important;
    border: 1px solid rgba(255,255,255,.06) !important;
    background: rgba(255,255,255,.03) !important;
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    overflow: hidden;
}

.login-header {
    text-align: center;
    padding: 36px 32px 8px;
}

.login-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--accent), #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 28px;
    color: #fff;
    box-shadow: 0 8px 32px rgba(99,132,255,.3);
}

.login-card h4 {
    color: #fff;
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 4px;
}

.login-card .subtitle {
    color: rgba(255,255,255,.4);
    font-size: 13px;
}

.login-card .card-body {
    padding: 28px 32px 36px !important;
}

.login-card .form-label {
    color: rgba(255,255,255,.5);
    font-size: 12px;
}

.login-card .form-control {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    color: #fff;
    border-radius: 10px;
}

.login-card .form-control:focus {
    background: rgba(255,255,255,.08);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99,132,255,.15);
}

.login-card .form-control::placeholder { color: rgba(255,255,255,.2); }

.login-card .input-group-text {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    color: rgba(255,255,255,.3);
}

.login-card .btn-primary {
    background: linear-gradient(135deg, var(--accent), #a855f7);
    border: none;
    border-radius: 10px;
    padding: 11px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(99,132,255,.3);
    transition: all .2s;
}

.login-card .btn-primary:hover {
    box-shadow: 0 6px 28px rgba(99,132,255,.45);
    transform: translateY(-1px);
}

.login-card .alert {
    background: rgba(239,68,68,.15);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,.2);
    font-size: 12.5px;
}

@media (max-width: 480px) {
    .login-card { border-radius: 16px !important; }
    .login-header { padding: 28px 24px 4px; }
    .login-card .card-body { padding: 24px !important; }
    .login-icon { width: 56px; height: 56px; font-size: 24px; }
}