/* ============================================
   SRC 安全响应中心 - 浅色现代风格
   ============================================ */

:root {
    --bg-primary: #f4f6fb;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fd;
    --bg-input: #ffffff;
    --border: #e2e6f0;
    --border-light: #d0d5e4;
    --text-primary: #1a1d2e;
    --text-secondary: #5a6178;
    --text-muted: #8b92a8;
    --accent: #1978ff;
    --accent-hover: #0066e8;
    --accent-glow: rgba(25, 120, 255, 0.1);
    --accent-glow-strong: rgba(25, 120, 255, 0.2);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.08);
    --success-border: rgba(16, 185, 129, 0.2);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.08);
    --warning-border: rgba(245, 158, 11, 0.2);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.08);
    --danger-border: rgba(239, 68, 68, 0.2);
    --info: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.08);
    --info-border: rgba(6, 182, 212, 0.2);
    --radius: 10px;
    --radius-lg: 14px;
    --shadow: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
    --shadow-md: 0 4px 12px rgba(0,0,0,.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,.08);
    --transition: all .2s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

main { flex: 1; }

a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-hover); }

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ---- 导航栏 ---- */
.navbar {
    background: #fff !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: .25rem 0;
    box-shadow: 0 1px 4px rgba(0,0,0,.03);
    position: relative;
    z-index: 1050;
}
.navbar-brand {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary) !important;
    letter-spacing: -.5px;
    display: flex;
    align-items: center;
    gap: .25rem;
    padding: 0;
}
.navbar-brand i {
    color: var(--accent);
    font-size: 1.3rem;
}
.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: .84rem;
    padding: .35rem .65rem !important;
    border-radius: 8px;
    transition: var(--transition);
}
.nav-link:hover {
    color: var(--accent) !important;
    background: var(--accent-glow);
}
.navbar-toggler { border: 1px solid var(--border) !important; padding: .35rem .5rem; }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231a1d2e' stroke-linecap='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important; }

.dropdown-menu {
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    padding: .35rem;
    min-width: 10rem;
    z-index: 9999 !important;
}
.dropdown-item {
    color: var(--text-secondary);
    border-radius: 6px;
    font-size: .84rem;
    padding: .5rem .75rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
}
.dropdown-item:hover { background: var(--accent-glow); color: var(--accent); }
.dropdown-item i { color: var(--text-muted); margin-right: .5rem; font-size: .9rem; }

/* ---- 卡片 ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: box-shadow .2s, border-color .2s;
    overflow: hidden;
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--border-light); }
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
    color: var(--text-primary);
}
.card-body { padding: 1.25rem; }

/* ---- 统计卡片 ---- */
.stat-card {
    border: none !important;
    position: relative;
    overflow: hidden;
    background: var(--bg-card) !important;
    box-shadow: var(--shadow-md) !important;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 0 0 3px 3px;
}
.stat-card .stat-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 10px;
    background: var(--accent-glow);
    color: var(--accent);
    font-size: 1.2rem;
    margin-right: .85rem;
    flex-shrink: 0;
}
.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.stat-card .stat-label {
    font-size: .78rem;
    color: var(--text-muted);
    margin-top: .1rem;
}

/* ---- 表格 ---- */
.table { color: var(--text-primary); margin-bottom: 0; }
.table thead th {
    background: #f8f9fd;
    color: var(--text-muted);
    font-weight: 600;
    font-size: .73rem;
    text-transform: uppercase;
    letter-spacing: .6px;
    border-bottom: 1px solid var(--border);
    padding: .7rem .85rem;
    white-space: nowrap;
}
.table td {
    padding: .65rem .85rem;
    font-size: .865rem;
    border-bottom: 1px solid rgba(226,230,240,.5);
    vertical-align: middle;
}
.table-hover tbody tr:hover { background: var(--bg-card-hover); }
.table thead th, .table td { border-top: none; }

/* ---- 徽章 ---- */
.badge {
    font-weight: 600;
    font-size: .7rem;
    padding: .3em .7em;
    border-radius: 6px;
    letter-spacing: .2px;
}
.badge-severity-low { background: #f1f3f8; color: #6b7280; }
.badge-severity-medium { background: var(--info-bg); color: #0891b2; border: 1px solid var(--info-border); }
.badge-severity-high { background: var(--warning-bg); color: #d97706; border: 1px solid var(--warning-border); }
.badge-severity-critical { background: var(--danger-bg); color: #dc2626; border: 1px solid var(--danger-border); }
.badge-status-pending { background: transparent; color: #d97706; border: 1px solid var(--warning-border); }
.badge-status-approved { background: transparent; color: #059669; border: 1px solid var(--success-border); }
.badge-status-rejected { background: transparent; color: #6b7280; border: 1px solid var(--border); }
.badge-status-need_info { background: transparent; color: #b45309; border: 1px solid #fbbf24; }
.badge-status-fixed { background: transparent; color: #059669; border: 1px solid var(--success-border); }
/* Bootstrap compat */
.badge.bg-danger { background: var(--danger-bg) !important; color: #dc2626; border: 1px solid var(--danger-border); }
.badge.bg-warning.text-dark { background: var(--warning-bg) !important; color: #d97706; border: 1px solid var(--warning-border); }
.badge.bg-info { background: var(--info-bg) !important; color: #0891b2; border: 1px solid var(--info-border); }
.badge.bg-secondary { background: #f1f3f8 !important; color: #6b7280; }
.badge.bg-success { background: var(--success-bg) !important; color: #059669; border: 1px solid var(--success-border); }

/* ---- 按钮 ---- */
.btn {
    border-radius: var(--radius);
    font-weight: 500;
    font-size: .84rem;
    padding: .5rem 1.1rem;
    transition: var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 4px 14px var(--accent-glow-strong);
}
.btn-outline-primary {
    color: var(--accent);
    border-color: var(--border-light);
    background: transparent;
}
.btn-outline-primary:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border);
    background: transparent;
}
.btn-outline-secondary:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}
.btn-success { background: var(--success-bg); color: #059669; border-color: var(--success-border); }
.btn-success:hover { background: var(--success); color: #fff; box-shadow: 0 4px 14px rgba(16,185,129,.2); }
.btn-danger { background: var(--danger-bg); color: #dc2626; border-color: var(--danger-border); }
.btn-danger:hover { background: var(--danger); color: #fff; box-shadow: 0 4px 14px rgba(239,68,68,.2); }
.btn-sm { font-size: .76rem; padding: .32rem .65rem; }
.btn-lg { font-size: .95rem; padding: .65rem 1.5rem; }

/* ---- 表单 ---- */
.form-control, .form-select {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: .55rem .85rem;
    font-size: .865rem;
    transition: border-color .15s, box-shadow .15s;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    outline: none;
}
.form-select {
    background: var(--bg-input) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%238b92a8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") no-repeat right 0.75rem center / 16px 12px !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}
.form-label { font-size: .8rem; font-weight: 500; color: var(--text-secondary); margin-bottom: .35rem; }
.form-text { color: var(--text-muted); font-size: .75rem; }
.input-group-text {
    background: #f8f9fd;
    border-color: var(--border);
    color: var(--text-muted);
    font-size: .85rem;
}

/* ---- Alert ---- */
.alert {
    border-radius: var(--radius);
    font-size: .84rem;
    border: 1px solid;
    background: #fff;
    padding: .75rem 1rem;
}
.alert-success { border-color: var(--success-border); color: #059669; background: var(--success-bg); }
.alert-danger { border-color: var(--danger-border); color: #dc2626; background: var(--danger-bg); }
.alert-warning { border-color: var(--warning-border); color: #d97706; background: var(--warning-bg); }
.alert-info { border-color: var(--info-border); color: #0891b2; background: var(--info-bg); }

/* ---- 导航 Pills ---- */
.nav-pills .nav-link {
    border-radius: 8px;
    font-size: .8rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: .4rem .85rem;
    background: transparent;
    border: 1px solid transparent;
    transition: var(--transition);
}
.nav-pills .nav-link.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px var(--accent-glow-strong);
}
.nav-pills .nav-link:not(.active):hover {
    color: var(--accent);
    background: var(--accent-glow);
}

/* ---- 首页 Hero ---- */
.home-bg {
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0rem;
    padding-bottom: 2rem;
    overflow: hidden;
}
.home-bg::before {
    content: '';
    position: absolute;
    inset: -20px;
    background: url('background.png') center center / cover no-repeat;
    filter: blur(4px);
    z-index: 0;
}
.home-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}
.home-bg > * {
    position: relative;
    z-index: 2;
}
.home-bg .display-5,
.home-bg .lead,
.home-bg .btn,
.home-bg .hero-icon,
.home-bg .home-logo {
    color: #fff;
}
.home-bg .display-5 {
    text-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.home-bg .lead {
    color: rgba(255,255,255,.85) !important;
}
.home-bg .btn-outline-primary {
    color: #fff;
    border-color: rgba(255,255,255,.5);
}
.home-bg .btn-outline-primary:hover {
    background: rgba(255,255,255,.15);
    border-color: #fff;
}
.home-bg .card {
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.15);
    color: #fff;
}
.home-bg .card h5 {
    color: #fff;
}
.home-bg .card p {
    color: rgba(255,255,255,.8);
}
.home-bg .hero-icon {
    background: rgba(255,255,255,.15);
    color: #ffc240;
    border: 1px solid rgba(255,255,255,.2);
}
.home-logo {
    height: 80px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,.3));
}
.hero-icon {
    width: 72px; height: 72px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 18px;
    background: var(--accent-glow);
    color: var(--accent);
    font-size: 2rem;
    position: relative;
}
.hero-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 22px;
    border: 1px solid var(--accent-glow);
}

/* ---- 过滤栏 ---- */
.filter-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
    overflow: visible;
}
.filter-bar .form-control,
.filter-bar .form-select {
    font-size: .82rem;
    padding: .45rem .75rem;
    /* 强制统一圆角：覆盖 Bootstrap input-group 拼接规则（会把非首/尾子元素圆角削平），
       保证筛选栏所有框与项目统一风格 --radius 一致 */
    border-radius: var(--radius);
}
.filter-bar .input-group > .form-select,
.filter-bar .input-group > .btn {
    /* Bootstrap input-group 削角规则特异性高达 (0,6,0)，必须 !important 才能覆盖 */
    border-radius: var(--radius) !important;
    margin-left: 0;
}
/* 自定义时间范围触发按钮：与同行 .form-select 的高度/圆角/边框/字号保持一致 */
.filter-bar #customTimeTrigger {
    font-size: .82rem;
    padding: .45rem .75rem;
    border-radius: var(--radius);
    border: 1.5px solid var(--border);
    text-align: left;
    color: var(--text-primary);
    background: var(--bg-input);
}
.filter-bar #customTimeTrigger:hover,
.filter-bar #customTimeTrigger:focus {
    color: var(--text-primary);
    background: var(--accent-glow);
    border-color: var(--accent);
}
.filter-bar .filter-label {
    font-size: .72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: .3rem;
}

/* 影响范围自定义下拉选择器（与其他 form-select 风格统一） */
.scope-select-wrapper {
    position: relative;
}
.scope-select-trigger {
    cursor: pointer;
    display: flex;
    align-items: center;
    user-select: none;
    background-image: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    padding-right: .75rem !important;
}
.scope-select-wrapper.open .scope-select-trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    outline: none;
}
/* 已勾选摘要文本：单行显示，超出宽度省略号截断 */
.scope-select-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.scope-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    border: 1.5px solid var(--accent);
    border-radius: var(--radius);
    box-shadow: 0 4px 16px var(--accent-glow-strong);
    padding: .65rem .75rem;
    margin-top: 2px;
    max-height: 220px;
    overflow-y: auto;
}
.scope-select-wrapper.open .scope-dropdown-menu {
    display: block;
}
.scope-dropdown-menu .form-check {
    padding-top: .15rem;
    padding-bottom: .15rem;
}
.scope-dropdown-menu .form-check-label {
    font-size: .82rem;
    color: var(--text-primary);
    cursor: pointer;
}
.scope-dropdown-menu .form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

/* 自定义时间范围自绘日历（仅渲染本月日期） */
.custom-cal-day {
    border: 0;
    background: transparent;
    font-size: .75rem;
    line-height: 1;
    padding: .3rem 0;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-primary);
}
.custom-cal-day:hover {
    background: var(--accent-glow);
}
.custom-cal-day.cal-selected {
    background: var(--accent);
    color: #fff;
}
.custom-cal-day.cal-in-range {
    background: var(--accent-glow);
}

/* ---- 页脚 ---- */
footer {
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: .78rem;
    background: var(--bg-secondary);
    padding: 1.2rem 0;
}
.footer-row {
    display: flex;
    align-items: center;
}
.footer-left,
.footer-right {
    flex: 1;
}
.footer-left {
    text-align: left;
    font-size: .72rem;
}
.footer-right {
    text-align: right;
}
.footer-center {
    flex: 1;
    text-align: center;
}
footer a {
    color: var(--text-muted);
    text-decoration: underline;
    transition: color .2s;
}
footer a:hover {
    color: var(--primary);
}
.footer-email {
    font-size: .78rem;
    text-decoration: none;
}

/* ---- 认证页 ---- */
.auth-card { max-width: 400px; margin: 3rem auto; }
.auth-card .card-body { padding: 2rem; }

/* ---- 空状态 ---- */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state i { font-size: 2.5rem; opacity: .3; display: block; margin-bottom: .75rem; }

/* ---- 响应式 ---- */
@media (max-width: 768px) {
    .display-5 { font-size: 1.5rem; }
    .card-body { padding: 1rem; }
    .stat-card .stat-icon { width: 36px; height: 36px; font-size: 1rem; }
    .filter-bar { padding: .75rem; }
}

/* ---- Bootstrap 覆盖 ---- */
.bg-primary { background: var(--accent) !important; }
.text-white { color: #fff !important; }
.table-light { --bs-table-bg: #f8f9fd; }
.btn-close { filter: none; }
code { color: var(--accent); background: var(--accent-glow); padding: .15em .4em; border-radius: 4px; font-size: .85em; }

/* 分页样式 */
.pagination {
    margin-bottom: 0;
}
.pagination .page-link {
    color: var(--text-secondary);
    border-color: var(--border);
    background: var(--bg-card);
    transition: var(--transition);
}
.pagination .page-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}
.pagination .page-item.active .page-link {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.pagination .page-item.disabled .page-link {
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-color: var(--border);
}

/* 强制覆盖 Bootstrap select 箭头 */
select.form-select,
.form-select,
select[class*="form-select"] {
    background: var(--bg-input) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%238b92a8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") no-repeat right 0.75rem center / 16px 12px !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    padding-right: 2.5rem !important;
}

/* 确保展开状态也只有一个箭头 */
.form-select:focus,
.form-select:active,
.form-select[aria-expanded="true"] {
    background: var(--bg-input) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%238b92a8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") no-repeat right 0.75rem center / 16px 12px !important;
}

/* 图表卡片 */
.chart-card {
    min-height: 280px;
}
.chart-container {
    position: relative;
    height: 220px;
    width: 100%;
}
.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

/* 导航栏品牌文字 */
.brand-logo-wrap {
    /* height: 16px; */
    overflow: hidden;
    display: flex;
    align-items: flex-start;
}
.brand-logo {
    height: 31px;
    width: auto;
}
.navbar-brand-text {
    font-size: .9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    letter-spacing: .5px;
    line-height: 1.1;
    width: 100%;
    text-align: center;
    margin-top: -1px;
}

/* 公告列表项 */
.announcement-item {
    padding: 12px 20px;
}
.announcement-item:hover {
    background: var(--bg-card-hover);
}
.announcement-card {
    transition: box-shadow .2s;
}
.announcement-card:hover {
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
}