:root {
    --bg-deep: #061224;
    --bg-panel: rgba(10, 28, 58, 0.92);
    --bg-panel-hover: rgba(14, 38, 78, 0.95);
    --border-glow: rgba(0, 212, 255, 0.35);
    --accent: #00d4ff;
    --accent2: #3b82f6;
    --text: #e8f4ff;
    --text-muted: #8eb4d9;
    --success: #00e676;
    --danger: #ff5252;
    --warning: #ffb300;
}

* { box-sizing: border-box; }

body.tech-theme {
    background: radial-gradient(ellipse at 20% 0%, #0d2b5e 0%, var(--bg-deep) 45%, #030a14 100%);
    color: var(--text);
    min-height: 100vh;
}

body.tech-theme::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.tech-theme .layui-layout-admin { position: relative; z-index: 1; }

.tech-theme .layui-layout-admin .layui-header {
    background: linear-gradient(90deg, #0a1f42 0%, #0d2848 100%);
    border-bottom: 1px solid var(--border-glow);
    box-shadow: 0 4px 24px rgba(0, 100, 255, 0.15);
}

.tech-theme .layui-logo {
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}

.tech-theme .layui-side {
    background: linear-gradient(180deg, #081830 0%, #051020 100%) !important;
    border-right: 1px solid var(--border-glow);
    width: 220px;
}

.tech-theme .layui-nav-tree .layui-nav-item a {
    color: var(--text-muted) !important;
}

.tech-theme .layui-nav-tree .layui-nav-item.layui-this,
.tech-theme .layui-nav-tree .layui-nav-item.layui-this > a,
.tech-theme .layui-nav-tree .layui-nav-itemed > a {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.15), transparent) !important;
    color: var(--accent) !important;
    border-left: 3px solid var(--accent);
}

.tech-theme .layui-body {
    background: transparent;
}

.tech-theme .layui-footer {
    background: #051020;
    color: var(--text-muted);
    border-top: 1px solid var(--border-glow);
}

.tech-theme .page-card,
.tech-theme .stat-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
}

.tech-theme .stat-card h3 {
    font-size: 32px;
    color: var(--accent);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.tech-theme .stat-card p { color: var(--text-muted); }

.tech-theme .page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 3px solid var(--accent);
}

.tech-theme .layui-table {
    background: transparent;
    color: var(--text);
}

.tech-theme .layui-table thead tr {
    background: linear-gradient(90deg, rgba(0, 100, 200, 0.3), rgba(0, 212, 255, 0.1));
}

.tech-theme .layui-table th,
.tech-theme .layui-table td {
    border-color: rgba(0, 212, 255, 0.15) !important;
    color: var(--text);
}

.tech-theme .layui-table tbody tr:hover {
    background: rgba(0, 212, 255, 0.06) !important;
}

.tech-theme .layui-input,
.tech-theme .layui-select,
.tech-theme .layui-textarea {
    background: rgba(5, 20, 45, 0.8);
    border: 1px solid var(--border-glow);
    color: var(--text);
}

.tech-theme .layui-form-label { color: var(--text-muted); }

.tech-theme .layui-btn-normal {
    background: linear-gradient(135deg, #0066cc, #00a8ff);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 168, 255, 0.35);
}

.tech-theme .layui-btn-warm {
    background: linear-gradient(135deg, #ff8f00, #ffb300);
}

.tech-theme .layui-btn-danger {
    background: linear-gradient(135deg, #d32f2f, #ff5252);
}

.tech-theme .btn-export {
    background: linear-gradient(135deg, #1b5e20, #00c853);
    border: none;
    color: #fff;
}

.tech-theme .layui-laypage a,
.tech-theme .layui-laypage span {
    background: var(--bg-panel) !important;
    color: var(--text-muted) !important;
    border-color: var(--border-glow) !important;
}

/* 醒目状态标识 */
.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: none;
}

.status-badge-lg {
    min-width: 100px;
    padding: 10px 24px;
    font-size: 18px;
}

.status-normal {
    background: linear-gradient(135deg, #00a152, #00e676);
    color: #fff;
    box-shadow: 0 0 16px rgba(0, 230, 118, 0.45);
}

.status-abnormal {
    background: linear-gradient(135deg, #c62828, #ff5252);
    color: #fff;
    box-shadow: 0 0 16px rgba(255, 82, 82, 0.5);
    animation: pulse-danger 2s ease-in-out infinite;
}

.status-disabled {
    background: linear-gradient(135deg, #455a64, #78909c);
    color: #fff;
}

.status-pending {
    background: linear-gradient(135deg, #ef6c00, #ffb300);
    color: #fff;
}

@keyframes pulse-danger {
    0%, 100% { box-shadow: 0 0 12px rgba(255, 82, 82, 0.4); }
    50% { box-shadow: 0 0 24px rgba(255, 82, 82, 0.8); }
}

.tech-theme .toolbar { margin-bottom: 15px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* 数据看板 */
.dashboard-wrap { max-width: 1400px; margin: 0 auto; }

.dashboard-welcome {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 28px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(0, 80, 160, 0.25) 0%, rgba(10, 28, 58, 0.95) 60%);
    border: 1px solid var(--border-glow);
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.dashboard-welcome .welcome-left { flex: 1; min-width: 0; }

.dashboard-welcome .company-name {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.dashboard-welcome .company-slogan {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.dashboard-welcome .welcome-text {
    font-size: 15px;
    color: var(--accent);
}

.dashboard-welcome .welcome-text strong {
    color: #fff;
    font-weight: 600;
}

.dashboard-welcome .welcome-date {
    text-align: right;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.8;
    white-space: nowrap;
}

.dashboard-welcome .welcome-date .day {
    display: block;
    font-size: 15px;
    color: var(--text);
    margin-bottom: 4px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

@media (max-width: 1200px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-card-v2 {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    border-radius: 12px;
    min-height: 96px;
}

.stat-card-v2 .stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-card-v2 .stat-icon.blue { background: rgba(0, 168, 255, 0.15); color: #00a8ff; }
.stat-card-v2 .stat-icon.cyan { background: rgba(0, 212, 255, 0.12); color: #00d4ff; }
.stat-card-v2 .stat-icon.red { background: rgba(255, 82, 82, 0.15); color: #ff5252; }
.stat-card-v2 .stat-icon.orange { background: rgba(255, 179, 0, 0.15); color: #ffb300; }

.stat-card-v2 .stat-info p {
    margin: 0 0 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.stat-card-v2 .stat-info h3 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-card-v2 .stat-info h3.danger { color: #ff5252; text-shadow: 0 0 16px rgba(255, 82, 82, 0.4); }
.stat-card-v2 .stat-info h3.warning { color: #ffb300; }

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 16px;
    align-items: start;
}

@media (max-width: 1100px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    .dashboard-welcome { flex-direction: column; align-items: flex-start; }
    .dashboard-welcome .welcome-date { text-align: left; }
}

.panel-block {
    background: var(--bg-panel);
    border: 1px solid var(--border-glow);
    border-radius: 12px;
    overflow: hidden;
}

.panel-block .panel-head {
    padding: 14px 20px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.12);
    font-size: 15px;
    font-weight: 600;
    color: var(--accent);
    background: rgba(0, 100, 200, 0.08);
}

.panel-block .panel-body { padding: 0; }

.panel-block .panel-body-pad { padding: 16px 20px; }

.panel-block .layui-table { margin: 0; }

.overview-list { list-style: none; margin: 0; padding: 0; }

.overview-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
    color: var(--text-muted);
    font-size: 14px;
}

.overview-list li:last-child { border-bottom: none; }

.overview-list li span:last-child {
    color: var(--text);
    font-weight: 600;
    font-size: 15px;
}

.trend-list { padding: 8px 0; }

.trend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

.trend-item .trend-label {
    width: 72px;
    font-size: 13px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.trend-item .trend-bar-wrap {
    flex: 1;
    height: 8px;
    background: rgba(0, 212, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
}

.trend-item .trend-bar {
    height: 100%;
    background: linear-gradient(90deg, #0066cc, #00d4ff);
    border-radius: 4px;
    min-width: 4px;
}

.trend-item .trend-num {
    width: 48px;
    text-align: right;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

.side-stack { display: flex; flex-direction: column; gap: 16px; }

.empty-tip {
    text-align: center;
    padding: 32px 20px;
    color: var(--text-muted);
    font-size: 14px;
}

.admin-img-thumb {
    display: inline-block;
    position: relative;
    margin: 4px 8px 4px 0;
    vertical-align: top;
    cursor: zoom-in;
}

.admin-img-thumb img {
    display: block;
    border-radius: 6px;
    object-fit: cover;
}

.admin-img-thumb .zoom-icon {
    position: absolute;
    right: 6px;
    bottom: 6px;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 12px;
    pointer-events: none;
}

.admin-img-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-img-lightbox[hidden] {
    display: none !important;
}

.admin-img-lightbox-mask {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.78);
}

.admin-img-lightbox-panel {
    position: relative;
    z-index: 1;
    max-width: 92vw;
    max-height: 92vh;
}

.admin-img-lightbox-panel img {
    display: block;
    max-width: 92vw;
    max-height: 88vh;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.admin-img-lightbox-close {
    position: absolute;
    top: -42px;
    right: 0;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: #333;
    font-size: 24px;
    line-height: 34px;
    cursor: pointer;
}