/**
 * S5 商业授权与用户管理控制台 - 样式表 (admin.css)
 * 现代 SaaS 风格 · 浅色主题 · 玻璃拟态 + 柔和阴影体系
 */

/* =========================================================================
   1. 设计令牌
   ========================================================================= */
:root {
    /* 基础色板（保持与旧版兼容） */
    --bg-color: #f4f7fb;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-main: #1e293b;
    --text-sub: #64748b;
    --primary-accent: #0ea5e9;

    /* 品牌渐变 */
    --brand-1: #0ea5e9;
    --brand-2: #2563eb;
    --brand-3: #7c3aed;
    --brand-gradient: linear-gradient(135deg, #0ea5e9 0%, #2563eb 55%, #7c3aed 100%);
    --brand-gradient-soft: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(124, 58, 237, 0.10));

    /* 语义色 */
    --ok: #16a34a;
    --ok-soft: rgba(22, 163, 74, 0.12);
    --warn: #d97706;
    --warn-soft: rgba(217, 119, 6, 0.12);
    --danger: #dc2626;
    --danger-soft: rgba(220, 38, 38, 0.12);
    --info-soft: rgba(14, 165, 233, 0.12);

    /* 阴影体系 */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 4px 16px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.07), 0 2px 6px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 18px 48px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.06);
    --ring: 0 0 0 4px rgba(14, 165, 233, 0.16);

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* 动效曲线 */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================================================
   2. 基础
   ========================================================================= */
* {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}

body {
    background:
        radial-gradient(1100px 560px at 10% -12%, rgba(14, 165, 233, 0.12), transparent 62%),
        radial-gradient(900px 520px at 102% -4%, rgba(124, 58, 237, 0.10), transparent 58%),
        linear-gradient(180deg, #f8fafc 0%, var(--bg-color) 100%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(14, 165, 233, 0.22);
    color: var(--text-main);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.45);
    border: 2px solid transparent;
    background-clip: padding-box;
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 116, 139, 0.6);
    background-clip: padding-box;
}

/* =========================================================================
   3. 卡片系统
   ========================================================================= */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.card > .card-body:first-child,
.card > .table-responsive:first-child {
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}

/* =========================================================================
   4. 按钮
   ========================================================================= */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.22s var(--ease);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
}

.btn:active {
    transform: translateY(1px) scale(0.995);
}

.btn-sm {
    border-radius: 7px;
}

.btn-info {
    --bs-btn-bg: #0ea5e9;
    --bs-btn-border-color: #0ea5e9;
    --bs-btn-color: #fff;
    --bs-btn-hover-bg: #0284c7;
    --bs-btn-hover-border-color: #0284c7;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-bg: #0369a1;
    --bs-btn-active-border-color: #0369a1;
    background-image: linear-gradient(135deg, #0ea5e9, #0284c7);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.28);
}

.btn-info:hover {
    background-image: linear-gradient(135deg, #38bdf8, #0ea5e9);
    box-shadow: 0 6px 18px rgba(14, 165, 233, 0.38);
    transform: translateY(-1px);
}

.btn-primary {
    --bs-btn-bg: #2563eb;
    --bs-btn-border-color: #2563eb;
    --bs-btn-hover-bg: #1d4ed8;
    --bs-btn-hover-border-color: #1d4ed8;
    background-image: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.28);
}

.btn-primary:hover {
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.36);
    transform: translateY(-1px);
}

.btn-warning {
    --bs-btn-bg: #f59e0b;
    --bs-btn-border-color: #f59e0b;
    --bs-btn-hover-bg: #d97706;
    --bs-btn-hover-border-color: #d97706;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.26);
}

.btn-warning:hover {
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.34);
    transform: translateY(-1px);
}

.btn-danger {
    --bs-btn-bg: #ef4444;
    --bs-btn-border-color: #ef4444;
    --bs-btn-hover-bg: #dc2626;
    --bs-btn-hover-border-color: #dc2626;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.26);
}

.btn-danger:hover {
    box-shadow: 0 6px 18px rgba(239, 68, 68, 0.34);
    transform: translateY(-1px);
}

.btn-outline-info:hover,
.btn-outline-success:hover,
.btn-outline-warning:hover,
.btn-outline-primary:hover,
.btn-outline-secondary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-xs);
}

.btn:focus-visible {
    box-shadow: var(--ring);
    outline: none;
    transition: box-shadow 0.2s var(--ease);
}

/* =========================================================================
   5. 顶部栏（玻璃拟态）
   ========================================================================= */
.app-topbar {
    position: relative;
    padding: 1.15rem 1.4rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(248, 250, 255, 0.86));
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: var(--shadow-sm);
    -webkit-backdrop-filter: blur(12px) saturate(160%);
    backdrop-filter: blur(12px) saturate(160%);
    overflow: hidden;
    animation: fadeInUp 0.5s var(--ease) both;
}

.app-topbar::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--brand-gradient);
    opacity: 0.9;
}

.app-topbar::after {
    content: "";
    position: absolute;
    right: -60px;
    top: -90px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.13), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.app-topbar h3 {
    letter-spacing: -0.02em;
    color: #0f172a;
    font-weight: 700;
}

/* 保证顶部栏内容始终位于装饰光斑之上 */
.app-topbar > * {
    position: relative;
    z-index: 1;
}

.app-topbar .app-subline {
    color: var(--text-sub);
    font-size: 0.82rem;
}

.app-topbar code {
    background: rgba(14, 165, 233, 0.09);
    border: 1px solid rgba(14, 165, 233, 0.18);
    padding: 1px 6px;
    border-radius: 6px;
    font-size: 0.8rem;
}

#systemClock {
    font-variant-numeric: tabular-nums;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0) !important;
    color: #334155 !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

/* =========================================================================
   6. 统计卡片
   ========================================================================= */
.stat-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    animation: fadeInUp 0.55s var(--ease) both;
}

.stat-card:nth-child(2) {
    animation-delay: 0.06s;
}

.stat-card::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: var(--brand-gradient);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-card .h3 {
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.15);
    transition: transform 0.3s var(--ease);
    flex: 0 0 auto;
}

.stat-card:hover .stat-icon {
    transform: scale(1.06) rotate(-3deg);
}

/* 按语义着色的图标底座（覆盖 Bootstrap subtle 类） */
.stat-card-primary .stat-icon {
    background: linear-gradient(135deg, #e0f2fe, #dbeafe);
    color: #0284c7;
    box-shadow: inset 0 0 0 1px rgba(14, 165, 233, 0.18), 0 4px 12px rgba(14, 165, 233, 0.14);
}

.stat-card-success .stat-icon {
    background: linear-gradient(135deg, #dcfce7, #d1fae5);
    color: #15803d;
    box-shadow: inset 0 0 0 1px rgba(22, 163, 74, 0.2), 0 4px 12px rgba(22, 163, 74, 0.14);
}

.stat-card-warning .stat-icon {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #b45309;
    box-shadow: inset 0 0 0 1px rgba(217, 119, 6, 0.22), 0 4px 12px rgba(217, 119, 6, 0.14);
}

.stat-card-danger .stat-icon {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #b91c1c;
    box-shadow: inset 0 0 0 1px rgba(220, 38, 38, 0.22), 0 4px 12px rgba(220, 38, 38, 0.14);
}

/* =========================================================================
   7. 冲突告警卡
   ========================================================================= */
.conflict-alert-card {
    position: relative;
    border: 1px solid #fcd34d;
    background: linear-gradient(145deg, #fffbeb, #ffffff 65%);
    box-shadow: 0 6px 24px rgba(217, 119, 6, 0.12);
    overflow: hidden;
    animation: fadeInUp 0.4s var(--ease) both;
}

.conflict-alert-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, #fbbf24, #f59e0b);
}

/* =========================================================================
   8. 标签页
   ========================================================================= */
.app-tabs {
    gap: 0.4rem;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 0.75rem;
    flex-wrap: wrap;
}

.nav-pills .nav-link {
    color: var(--text-sub);
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    margin-right: 0;
    border-radius: var(--radius-md);
    transition: all 0.22s var(--ease);
    position: relative;
}

.nav-pills .nav-link:hover {
    color: var(--primary-accent);
    border-color: rgba(14, 165, 233, 0.45);
    background-color: rgba(14, 165, 233, 0.05);
    transform: translateY(-1px);
}

.nav-pills .nav-link.active {
    background: var(--brand-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 18px rgba(14, 165, 233, 0.32);
}

.nav-pills .nav-link.active:hover {
    color: #fff;
    transform: translateY(-1px);
}

.nav-pills .nav-link span {
    font-variant-numeric: tabular-nums;
}

/* =========================================================================
   9. 表格
   ========================================================================= */
.table-custom {
    color: var(--text-main);
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 0;
}

.table-custom th {
    background-color: #f8fafc;
    color: var(--text-sub);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.76rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.045em;
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
    white-space: nowrap;
    vertical-align: middle;
}

.table-custom thead th:first-child {
    border-top-left-radius: var(--radius-sm);
}

.table-custom thead th:last-child {
    border-top-right-radius: var(--radius-sm);
}

.table-custom td {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    font-size: 0.9rem;
    padding-top: 0.62rem;
    padding-bottom: 0.62rem;
}

.table-custom tbody tr {
    transition: background-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.table-custom tbody tr:hover td {
    background-color: rgba(14, 165, 233, 0.045);
}

.table-custom tbody tr:hover td:first-child {
    box-shadow: inset 3px 0 0 0 var(--primary-accent);
}

.table-custom tbody tr:last-child td {
    border-bottom: 0;
}

.th-sortable {
    cursor: pointer;
    user-select: none;
    transition: color 0.18s var(--ease), background-color 0.18s var(--ease);
    white-space: nowrap;
    position: relative;
}

.th-sortable:hover {
    color: var(--primary-accent) !important;
    background-color: rgba(14, 165, 233, 0.06);
}

.th-sortable .sort-icon {
    display: inline-flex;
    align-items: center;
    margin-left: 4px;
    font-size: 0.82rem;
    color: #94a3b8;
    transition: transform 0.2s var(--ease), color 0.18s var(--ease);
    vertical-align: middle;
}

.th-sortable.sorted-asc,
.th-sortable.sorted-desc {
    color: var(--primary-accent) !important;
    background-color: rgba(14, 165, 233, 0.08);
}

.th-sortable.sorted-asc .sort-icon,
.th-sortable.sorted-desc .sort-icon {
    color: var(--primary-accent);
}

/* 表格内文本元素微调 */
.table-custom code {
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid rgba(2, 132, 199, 0.16);
    padding: 1px 6px;
    border-radius: 6px;
    font-size: 0.82rem;
    color: #0369a1;
}

/* =========================================================================
   10. 徽章与状态点
   ========================================================================= */
.badge {
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: 999px;
    padding: 0.32em 0.7em;
}

.badge-pulse {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.pulse-online { background-color: #16a34a; }
.pulse-offline { background-color: #cbd5e1; }

/* IP 归属地标签（最后使用者列） */
.ip-location {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 1px 7px;
    font-size: 0.7rem;
    line-height: 1.5;
    font-weight: 500;
    border-radius: 999px;
    white-space: nowrap;
    background: rgba(14, 165, 233, 0.09);
    border: 1px solid rgba(14, 165, 233, 0.22);
    color: #0369a1;
    transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.ip-location i {
    font-size: 0.7rem;
    opacity: 0.85;
}

.ip-location:hover {
    background: rgba(14, 165, 233, 0.16);
}

.ip-location-pending {
    background: rgba(148, 163, 184, 0.14);
    border-color: rgba(148, 163, 184, 0.3);
    color: #64748b;
    font-weight: 400;
}

.ip-location-pending i {
    animation: softBlink 1.3s ease-in-out infinite;
}

.ip-location-unknown {
    background: rgba(148, 163, 184, 0.1);
    border-color: rgba(148, 163, 184, 0.25);
    color: #94a3b8;
    font-weight: 400;
}

@keyframes softBlink {
    0%, 100% { opacity: 0.35; }
    50% { opacity: 1; }
}

/* =========================================================================
   11. 搜索框组件
   ========================================================================= */
.search-box-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    transition: all 0.25s var(--ease);
}

.search-box-wrapper .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    pointer-events: none;
    font-size: 0.82rem;
    transition: color 0.2s var(--ease), transform 0.2s var(--ease);
    z-index: 3;
}

.search-box-wrapper .search-control {
    width: 250px;
    height: 34px;
    padding: 0.35rem 2.2rem 0.35rem 2.2rem;
    font-size: 0.83rem;
    line-height: 1.5;
    background-color: #f8fafc;
    border: 1px solid #dbe3ee;
    border-radius: 999px;
    color: var(--text-main);
    transition: all 0.28s var(--ease);
    outline: none;
}

.search-box-wrapper .search-control::-webkit-search-decoration,
.search-box-wrapper .search-control::-webkit-search-cancel-button,
.search-box-wrapper .search-control::-webkit-search-results-button,
.search-box-wrapper .search-control::-webkit-search-results-decoration {
    -webkit-appearance: none;
    appearance: none;
    display: none;
}

.search-box-wrapper .search-control::placeholder {
    color: #94a3b8;
    font-size: 0.82rem;
}

.search-box-wrapper .search-control:hover {
    border-color: #b6c2d4;
    background-color: #ffffff;
}

.search-box-wrapper .search-control:focus {
    width: 320px;
    border-color: var(--primary-accent);
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.14), 0 6px 18px rgba(15, 23, 42, 0.07);
}

.search-box-wrapper:focus-within .search-icon {
    color: var(--primary-accent);
    transform: translateY(-50%) scale(1.08);
}

.search-box-wrapper.has-value .search-control {
    border-color: rgba(14, 165, 233, 0.55);
    background-color: #ffffff;
}

.search-box-wrapper .search-shortcut-hint {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.68rem;
    padding: 1px 5px;
    border-radius: 4px;
    background-color: #eef2f7;
    border: 1px solid #dbe3ee;
    color: #94a3b8;
    font-family: inherit;
    pointer-events: none;
    transition: opacity 0.15s var(--ease);
    line-height: 1.2;
    user-select: none;
}

.search-box-wrapper.has-value .search-shortcut-hint,
.search-box-wrapper:focus-within .search-shortcut-hint {
    opacity: 0;
    pointer-events: none;
}

.search-box-wrapper .search-clear-btn {
    position: absolute;
    right: 7px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #e2e8f0;
    border: none;
    border-radius: 50%;
    color: #64748b;
    font-size: 0.65rem;
    cursor: pointer;
    padding: 0;
    transition: all 0.15s var(--ease);
    z-index: 3;
}

.search-box-wrapper .search-clear-btn:hover {
    background-color: rgba(239, 68, 68, 0.15);
    color: #dc2626;
    transform: translateY(-50%) scale(1.1);
}

input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
    -webkit-appearance: none;
    display: none;
}

/* =========================================================================
   12. 分页
   ========================================================================= */
.pagination {
    margin-bottom: 0;
    gap: 4px;
    flex-wrap: wrap;
}

.pagination .page-item .page-link {
    color: var(--text-main);
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px !important;
    padding: 0.3rem 0.68rem;
    font-size: 0.82rem;
    font-weight: 500;
    transition: all 0.2s var(--ease);
    user-select: none;
    min-width: 32px;
    text-align: center;
}

.pagination .page-item .page-link:hover {
    background-color: rgba(14, 165, 233, 0.07);
    border-color: rgba(14, 165, 233, 0.4);
    color: var(--primary-accent);
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background: var(--brand-gradient);
    border-color: transparent;
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(14, 165, 233, 0.35);
}

.pagination .page-item.disabled .page-link {
    color: #94a3b8;
    background-color: #f8fafc;
    border-color: #e2e8f0;
    cursor: not-allowed;
    opacity: 0.7;
    transform: none;
}

.pagination-jump-input {
    width: 52px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 0.82rem;
    color: var(--text-main);
    transition: all 0.2s var(--ease);
}

.pagination-jump-input:focus {
    border-color: var(--primary-accent);
    box-shadow: var(--ring);
    outline: none;
}

/* =========================================================================
   13. 表单控件
   ========================================================================= */
.form-control,
.form-select {
    background-color: #ffffff;
    border-color: var(--border-color);
    color: var(--text-main);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}

.form-control::placeholder {
    color: #a8b3c4;
}

.form-control:hover:not(:focus):not([readonly]),
.form-select:hover:not(:focus) {
    border-color: #c3cede;
}

.form-control:focus,
.form-select:focus {
    background-color: #ffffff;
    border-color: var(--primary-accent);
    color: var(--text-main);
    box-shadow: var(--ring);
}

.form-control[readonly],
.form-control.bg-light {
    background-color: #f8fafc !important;
    border-color: #e6ecf4;
    color: #475569;
}

.form-label {
    font-weight: 500;
    letter-spacing: 0.01em;
}

.form-text {
    font-size: 0.78rem;
}

.input-group-text {
    border-radius: var(--radius-sm);
    border-color: var(--border-color);
    color: var(--text-sub);
}

.input-group > .input-group-text:first-child {
    border-right: 0;
}

/* 开关（如"显示离线实例"）统一品牌色 */
.form-check-input:checked {
    background-color: var(--primary-accent);
    border-color: var(--primary-accent);
}

.form-check-input:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.18);
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}

/* 自动填充底色纠正 */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 1000px #ffffff inset !important;
    -webkit-text-fill-color: #1e293b !important;
    caret-color: #1e293b !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* =========================================================================
   14. 模态框
   ========================================================================= */
.modal-content {
    background-color: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    border-color: var(--border-color);
    padding: 1.05rem 1.35rem;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.9), rgba(255, 255, 255, 0.6));
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.02rem;
    letter-spacing: -0.01em;
}

.modal-body {
    padding: 1.25rem 1.35rem;
}

.modal-footer {
    border-color: var(--border-color);
    padding: 0.85rem 1.35rem;
    background: rgba(248, 250, 252, 0.6);
}

.modal-header,
.modal-footer {
    border-color: var(--border-color);
}

.modal-backdrop.show {
    opacity: 0.42;
    backdrop-filter: blur(2px);
}

.modal.fade .modal-dialog {
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

/* 弹窗内的信息条 */
.modal-body .alert {
    border-radius: var(--radius-md);
    border-width: 1px;
}

/* 云端备份配置编辑器 */
#backupContent {
    min-height: 320px;
    line-height: 1.6;
    font-size: 0.82rem;
    tab-size: 2;
    resize: vertical;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}

#backupContent.backup-editing {
    background-color: #fffdf6;
    border-color: rgba(217, 119, 6, 0.55);
    box-shadow: 0 0 0 4px rgba(217, 119, 6, 0.12);
}

/* =========================================================================
   15. 下拉菜单
   ========================================================================= */
.dropdown-menu {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    padding: 0.4rem;
    animation: dropIn 0.18s var(--ease) both;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.7rem;
    font-size: 0.86rem;
    transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: rgba(14, 165, 233, 0.08);
    color: var(--primary-accent);
}

.dropdown-header {
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.35rem 0.7rem;
}

.dropdown-divider {
    margin: 0.3rem 0;
    border-color: var(--border-color);
}

/* =========================================================================
   16. 登录页
   ========================================================================= */
.login-page {
    min-height: calc(100vh - 3rem);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-page::before,
.login-page::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.login-page::before {
    width: 380px;
    height: 380px;
    left: -80px;
    top: 8%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.28), transparent 70%);
}

.login-page::after {
    width: 420px;
    height: 420px;
    right: -100px;
    bottom: 2%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.22), transparent 70%);
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    margin: 0;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.55s var(--ease) both;
}

.login-wrapper .card {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 255, 0.96));
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    overflow: hidden;
    position: relative;
}

.login-wrapper .card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: var(--brand-gradient);
}

.login-wrapper .stat-icon {
    background: linear-gradient(135deg, #e0f2fe, #ede9fe);
    color: #0284c7;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 0 0 1px rgba(14, 165, 233, 0.2), 0 8px 22px rgba(14, 165, 233, 0.18);
    animation: floatY 4.5s ease-in-out infinite;
}

.login-wrapper .form-control {
    height: 44px;
    border-radius: var(--radius-sm);
}

.login-wrapper .input-group-text {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    background-color: #ffffff !important;
}

.login-wrapper .btn-info {
    height: 46px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.login-wrapper .alert {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

/* =========================================================================
   17. 通用文字与工具类覆盖
   ========================================================================= */
.text-info { color: #0284c7 !important; }
.text-warning { color: #b45309 !important; }
.text-success { color: #15803d !important; }
.text-danger { color: #dc2626 !important; }
.border-secondary { border-color: var(--border-color) !important; }
.text-secondary { color: var(--text-sub) !important; }
code { color: #0369a1; }

.font-monospace.text-info { color: #0369a1 !important; }

/* 空状态 / 加载中占位 */
.table-custom td.text-center.py-4 {
    color: var(--text-sub) !important;
    font-size: 0.88rem;
    letter-spacing: 0.02em;
}

/* 按钮组内的小按钮（有效期快捷选择等） */
.btn-outline-secondary.py-0,
.btn-outline-info.py-0 {
    border-radius: 6px;
    font-size: 0.78rem;
}

/* 页脚分隔线 */
.border-top {
    border-color: var(--border-color) !important;
}

/* =========================================================================
   18. 动画
   ========================================================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dropIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

/* =========================================================================
   19. 响应式
   ========================================================================= */
@media (max-width: 991.98px) {
    .app-topbar {
        padding: 1rem 1.05rem;
    }

    .app-topbar h3 {
        font-size: 1.15rem;
    }
}

@media (max-width: 767.98px) {
    .container-fluid.px-4 {
        padding-left: 0.85rem !important;
        padding-right: 0.85rem !important;
    }

    .app-tabs .nav-link {
        padding-left: 0.85rem !important;
        padding-right: 0.85rem !important;
        font-size: 0.85rem;
    }

    .search-box-wrapper,
    .search-box-wrapper .search-control {
        width: 100%;
    }

    .search-box-wrapper .search-control:focus {
        width: 100%;
    }

    .stat-card .h3 {
        font-size: 1.45rem;
    }

    .table-custom th {
        font-size: 0.72rem;
    }

    .table-custom td {
        font-size: 0.85rem;
    }

    .modal-body,
    .modal-header,
    .modal-footer {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* =========================================================================
   13. 全局浮动通知 (Toast Notifications)
   ========================================================================= */
.toast-notify-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast-notify {
    pointer-events: auto;
    min-width: 280px;
    max-width: 440px;
    padding: 12px 16px;
    background: #ffffff;
    color: var(--text-main);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px -3px rgba(15, 23, 42, 0.12), 0 4px 6px -4px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.95);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.88rem;
    line-height: 1.45;
    opacity: 0;
    transform: translateY(-12px) scale(0.96);
    transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}

.toast-notify.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.toast-notify-icon {
    font-size: 1.15rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-notify-success .toast-notify-icon {
    color: #10b981;
}

.toast-notify-danger .toast-notify-icon {
    color: #ef4444;
}

.toast-notify-warning .toast-notify-icon {
    color: #f59e0b;
}

.toast-notify-info .toast-notify-icon {
    color: #0ea5e9;
}

.toast-notify-content {
    flex: 1;
    word-break: break-all;
    font-weight: 500;
}

.toast-notify-close {
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 1rem;
    padding: 2px 4px;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: color 0.15s ease, background-color 0.15s ease;
    flex-shrink: 0;
}

.toast-notify-close:hover {
    color: #334155;
    background-color: #f1f5f9;
}

@media (max-width: 575.98px) {
    .toast-notify-container {
        top: 12px;
        right: 12px;
        left: 12px;
    }
    .toast-notify {
        min-width: unset;
        max-width: 100%;
        width: 100%;
    }
}