/* ============================================================
   机房动环监测系统 — 设计系统
   大屏使用深色主题（body.theme-dark），后台使用浅色主题
   ============================================================ */

:root {
    --bg: #f4f6fb;
    --bg-elevated: #ffffff;
    --panel: #ffffff;
    --panel-2: #f8fafc;
    --border: #e4e9f2;
    --border-strong: #d3dae7;
    --text: #0f172a;
    --text-soft: #334155;
    --muted: #6b7a90;
    --primary: #0d9488;
    --primary-soft: rgba(13, 148, 136, 0.1);
    --temp: #ea580c;
    --hum: #0284c7;
    --ok: #16a34a;
    --warn: #d97706;
    --danger: #dc2626;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow: 0 8px 24px -12px rgba(15, 23, 42, 0.18);
    --radius: 14px;
    --radius-sm: 9px;
    --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
    --mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
}

body.theme-dark {
    --bg: #060b14;
    --bg-elevated: #0c1524;
    --panel: rgba(17, 27, 44, 0.82);
    --panel-2: rgba(23, 35, 55, 0.7);
    --border: rgba(148, 178, 214, 0.13);
    --border-strong: rgba(148, 178, 214, 0.24);
    --text: #e9f0fb;
    --text-soft: #c3d0e2;
    --muted: #8ea1bd;
    --primary: #2dd4bf;
    --primary-soft: rgba(45, 212, 191, 0.13);
    --temp: #fb923c;
    --hum: #38bdf8;
    --ok: #34d399;
    --warn: #fbbf24;
    --danger: #fb7185;
    --shadow: 0 20px 45px -30px rgba(0, 0, 0, 0.9);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.theme-dark {
    background:
        radial-gradient(1100px 600px at 10% -10%, rgba(45, 212, 191, 0.09), transparent 60%),
        radial-gradient(900px 520px at 95% 0%, rgba(56, 189, 248, 0.08), transparent 55%),
        var(--bg);
    min-height: 100vh;
}

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

h1, h2, h3, h4 {
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

p {
    margin: 0;
}

button {
    font-family: inherit;
}

::-webkit-scrollbar {
    width: 9px;
    height: 9px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 99px;
}

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

/* ── 通用控件 ─────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.16s ease;
    white-space: nowrap;
}

.btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-primary {
    background: linear-gradient(135deg, #0f9d8f, #0d7d74);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 16px -8px rgba(13, 148, 136, 0.8);
}

.btn-primary:hover {
    color: #fff;
    filter: brightness(1.06);
}

.btn-danger {
    color: var(--danger);
    border-color: rgba(220, 38, 38, 0.35);
    background: transparent;
}

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

.btn-sm {
    padding: 5px 11px;
    font-size: 12px;
    border-radius: 7px;
}

.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-soft);
}

.btn-icon {
    padding: 6px 9px;
    font-size: 13px;
}

.input,
.select,
.textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.textarea {
    min-height: 90px;
    resize: vertical;
}

.field {
    margin-bottom: 15px;
}

.field > label:not(.switch) {
    display: block;
    margin-bottom: 6px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-soft);
}

.field .hint {
    margin-top: 5px;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
}

.switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    cursor: pointer;
    user-select: none;
    font-size: 13px;
    color: var(--text-soft);
}

.switch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.switch .track {
    width: 40px;
    height: 22px;
    border-radius: 99px;
    background: var(--border-strong);
    position: relative;
    transition: background 0.18s;
    flex: none;
}

.switch .track::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.18s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.switch input:checked + .track {
    background: var(--primary);
}

.switch input:checked + .track::after {
    transform: translateX(18px);
}

/* ── 徽标 / 状态点 ────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 9px;
    border-radius: 99px;
    font-size: 11.5px;
    font-weight: 600;
    line-height: 1.7;
    border: 1px solid transparent;
}

.badge-ok {
    background: rgba(34, 197, 94, 0.14);
    color: var(--ok);
}

.badge-warn {
    background: rgba(245, 158, 11, 0.16);
    color: var(--warn);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-muted {
    background: rgba(148, 163, 184, 0.18);
    color: var(--muted);
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    display: inline-block;
    flex: none;
}

.dot-pulse {
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.82); }
}

/* ============================================================
   监控大屏
   ============================================================ */
.dashboard {
    padding: 18px 22px 28px;
    max-width: 1680px;
    margin: 0 auto;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 12px 20px;
    border: 1px solid var(--border);
    background: linear-gradient(120deg, rgba(20, 32, 52, 0.9), rgba(12, 21, 36, 0.78));
    border-radius: 16px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.9), rgba(14, 116, 144, 0.85));
    box-shadow: 0 8px 22px -10px rgba(45, 212, 191, 0.9);
}

.brand-mark svg {
    width: 21px;
    height: 21px;
    color: #04241f;
}

.brand h1 {
    font-size: 17px;
    letter-spacing: 0.02em;
}

.brand .sub {
    font-size: 11.5px;
    color: var(--muted);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.topbar-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.clock {
    font-family: var(--mono);
    font-size: 14px;
    color: var(--text-soft);
    letter-spacing: 0.04em;
    font-variant-numeric: tabular-nums;
}

.conn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--ok);
    padding: 4px 10px;
    border-radius: 99px;
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.25);
}

.conn.is-error {
    color: var(--danger);
    background: rgba(251, 113, 133, 0.12);
    border-color: rgba(251, 113, 133, 0.3);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin: 16px 0;
}

.kpi {
    position: relative;
    padding: 16px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(150deg, rgba(22, 34, 54, 0.92), rgba(13, 23, 40, 0.72));
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.kpi::after {
    content: "";
    position: absolute;
    right: -30px;
    top: -30px;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent, rgba(45, 212, 191, 0.28)), transparent 68%);
    opacity: 0.7;
}

.kpi .label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    color: var(--muted);
    letter-spacing: 0.03em;
}

.kpi .value {
    margin-top: 8px;
    font-size: 30px;
    font-weight: 650;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.kpi .value small {
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    margin-left: 4px;
    letter-spacing: 0;
}

.kpi .meta {
    margin-top: 7px;
    font-size: 12px;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.kpi.temp .value { color: var(--temp); }
.kpi.hum .value { color: var(--hum); }
.kpi.temp { --accent: rgba(251, 146, 60, 0.24); }
.kpi.hum { --accent: rgba(56, 189, 248, 0.24); }
.kpi.nodes { --accent: rgba(45, 212, 191, 0.22); }
.kpi.servers { --accent: rgba(167, 139, 250, 0.22); }

.dash-env {
    margin-top: 16px;
}

.dash-columns {
    display: grid;
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr);
    gap: 14px;
    margin-top: 14px;
    align-items: stretch;
}

.panel {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 14px;
    font-weight: 600;
}

.panel-title .count {
    font-size: 11.5px;
    color: var(--muted);
    font-weight: 500;
}

.panel-body {
    padding: 14px 18px 18px;
}

.env-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(228px, 1fr));
    gap: 12px;
}

.env-card {
    position: relative;
    padding: 14px 15px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: linear-gradient(160deg, rgba(24, 37, 58, 0.95), rgba(14, 24, 41, 0.7));
    transition: transform 0.18s, border-color 0.18s;
}

.env-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.env-card.is-alert {
    border-color: rgba(251, 113, 133, 0.5);
    box-shadow: inset 0 0 0 1px rgba(251, 113, 133, 0.2);
}

.env-card.is-stale {
    opacity: 0.82;
}

.env-card header {
    display: block;
}

.env-card .name {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.env-card .loc {
    font-size: 11.5px;
    color: var(--muted);
    margin-top: 2px;
}

.env-values {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    margin: 12px 0 8px;
}

.env-value {
    line-height: 1;
}

.env-value .num {
    font-size: 27px;
    font-weight: 650;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.env-value .unit {
    font-size: 12px;
    color: var(--muted);
    margin-left: 2px;
}

.env-value .cap {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 5px;
}

.env-value.temp .num { color: var(--temp); }
.env-value.hum .num { color: var(--hum); }

.env-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 11.5px;
    color: var(--muted);
    border-top: 1px dashed var(--border);
    padding-top: 8px;
}

.env-foot .badge {
    padding: 1px 8px;
    font-size: 11px;
}

.empty {
    padding: 34px 18px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.9;
}

.empty strong {
    display: block;
    color: var(--text-soft);
    font-size: 14px;
    margin-bottom: 4px;
}

.side {
    display: grid;
    gap: 14px;
}

.alert-list,
.server-list {
    display: grid;
    gap: 8px;
    max-height: 336px;
    overflow-y: auto;
    padding-right: 2px;
}

.alert-item {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--panel-2);
}

.alert-item .bar {
    width: 3px;
    border-radius: 3px;
    flex: none;
    background: var(--warn);
}

.alert-item.critical .bar { background: var(--danger); }

.alert-item .body {
    min-width: 0;
    flex: 1;
}

.alert-item .msg {
    font-size: 12.5px;
    color: var(--text);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.alert-item .time {
    font-size: 11px;
    color: var(--muted);
    margin-top: 4px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.server-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 11px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--panel-2);
}

.server-row .info {
    flex: 1;
    min-width: 0;
}

.server-row .name {
    font-size: 12.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 7px;
}

.server-row .addr {
    font-size: 11px;
    color: var(--muted);
    font-family: var(--mono);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.server-row .stat {
    text-align: right;
    font-size: 11px;
    color: var(--muted);
    white-space: nowrap;
}

.server-row .stat b {
    display: block;
    font-size: 12.5px;
    color: var(--text-soft);
    font-weight: 600;
}

.chart-panel {
    margin-top: 14px;
}

.chart-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.chart-wrap {
    position: relative;
    padding: 6px 10px 2px;
}

.chart-wrap canvas {
    width: 100%;
    height: 260px;
    display: block;
}

.seg {
    display: inline-flex;
    padding: 3px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 9px;
    gap: 2px;
}

.seg button {
    border: 0;
    background: transparent;
    color: var(--muted);
    padding: 4px 11px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}

.seg button:hover {
    color: var(--text);
}

.seg button.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 600;
}

.panel-tools {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.seg-sm button {
    padding: 3px 9px;
    font-size: 11.5px;
}

.chart-tip {
    position: absolute;
    pointer-events: none;
    padding: 7px 10px;
    border-radius: 8px;
    background: rgba(8, 15, 27, 0.94);
    border: 1px solid var(--border-strong);
    color: var(--text);
    font-size: 11.5px;
    line-height: 1.6;
    box-shadow: 0 10px 24px -12px rgba(0, 0, 0, 0.9);
    opacity: 0;
    transform: translate(-50%, 6px);
    transition: opacity 0.12s;
    white-space: nowrap;
    z-index: 5;
}

.chart-tip.show {
    opacity: 1;
}

.legend {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 11.5px;
    color: var(--muted);
}

.legend i {
    width: 9px;
    height: 9px;
    border-radius: 3px;
    display: inline-block;
    margin-right: 5px;
}

/* ============================================================
   登录页 / 安装页
   ============================================================ */
.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 30px 18px;
    background:
        radial-gradient(900px 500px at 15% 0%, rgba(13, 148, 136, 0.14), transparent 60%),
        radial-gradient(700px 420px at 90% 100%, rgba(2, 132, 199, 0.12), transparent 60%),
        #f2f5fa;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 18px;
    border: 1px solid #e4e9f2;
    box-shadow: 0 30px 70px -40px rgba(15, 23, 42, 0.4);
    padding: 32px 30px 26px;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 22px;
}

.auth-brand .mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #10b981, #0e7490);
    color: #fff;
    font-weight: 700;
    font-size: 18px;
}

.auth-card h2 {
    font-size: 19px;
    margin-bottom: 4px;
}

.auth-card .sub {
    color: #6b7a90;
    font-size: 12.5px;
    margin-bottom: 20px;
}

.auth-foot {
    margin-top: 18px;
    font-size: 11.5px;
    color: #93a1b5;
    text-align: center;
}

.alert {
    padding: 9px 12px;
    border-radius: 9px;
    font-size: 12.5px;
    margin-bottom: 14px;
    border: 1px solid transparent;
}

.alert-error {
    background: #fef2f2;
    color: #b91c1c;
    border-color: #fecaca;
}

.alert-ok {
    background: #ecfdf5;
    color: #047857;
    border-color: #a7f3d0;
}

/* ============================================================
   后台管理
   ============================================================ */
.admin-shell {
    display: grid;
    grid-template-columns: 216px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 20px 14px;
    background: #0c1524;
    color: #dbe6f5;
    display: flex;
    flex-direction: column;
    gap: 18px;
    border-right: 1px solid rgba(148, 178, 214, 0.1);
}

.sidebar .brand h1 {
    font-size: 14.5px;
    color: #eaf2fd;
}

.sidebar .brand .sub {
    color: #7d8fa9;
}

.nav {
    display: grid;
    gap: 3px;
}

.nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 9px;
    color: #9db0c9;
    font-size: 13px;
    transition: all 0.15s;
}

.nav a:hover {
    background: rgba(148, 178, 214, 0.08);
    color: #e8f1fc;
}

.nav a.active {
    background: linear-gradient(90deg, rgba(45, 212, 191, 0.18), rgba(45, 212, 191, 0.04));
    color: #5eead4;
    box-shadow: inset 2px 0 0 #2dd4bf;
}

.nav a svg {
    width: 16px;
    height: 16px;
    flex: none;
}

.sidebar-foot {
    margin-top: auto;
    border-top: 1px solid rgba(148, 178, 214, 0.12);
    padding-top: 14px;
    font-size: 12px;
    color: #7d8fa9;
}

.sidebar-foot .user {
    color: #dbe6f5;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.sidebar-foot a {
    color: #7d8fa9;
    margin-right: 12px;
}

.sidebar-foot a:hover {
    color: #fca5a5;
}

.main {
    padding: 20px 24px 40px;
    min-width: 0;
}

.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.page-head h2 {
    font-size: 20px;
}

.page-head .desc {
    color: var(--muted);
    font-size: 12.5px;
    margin-top: 3px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card + .card {
    margin-top: 16px;
}

.card-head {
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.card-title {
    font-size: 14px;
    font-weight: 650;
}

.card-body {
    padding: 16px 18px;
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.toolbar .input,
.toolbar .select {
    width: auto;
    min-width: 130px;
    padding: 7px 10px;
    font-size: 12.5px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.stat {
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--panel-2);
}

.stat .k {
    font-size: 12px;
    color: var(--muted);
}

.stat .v {
    font-size: 24px;
    font-weight: 650;
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
}

.stat .v small {
    font-size: 12px;
    color: var(--muted);
    font-weight: 500;
    margin-left: 4px;
}

.table-wrap {
    overflow-x: auto;
}

table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

table.data th {
    text-align: left;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 10px 12px;
    background: var(--panel-2);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

table.data td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

table.data tr:hover td {
    background: rgba(13, 148, 136, 0.05);
}

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

table.data .mono {
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--muted);
}

table.data .actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.muted {
    color: var(--muted);
}

.small {
    font-size: 12px;
}

.mono {
    font-family: var(--mono);
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 18px;
    border-top: 1px solid var(--border);
    font-size: 12.5px;
    color: var(--muted);
    flex-wrap: wrap;
}

.pagination .pages {
    display: flex;
    gap: 5px;
}

.pagination button {
    min-width: 30px;
    padding: 4px 8px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-soft);
    cursor: pointer;
    font-size: 12px;
}

.pagination button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.pagination button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* ── 弹窗 ─────────────────────────────────────────────── */
.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(10, 18, 30, 0.55);
    backdrop-filter: blur(3px);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 60px 16px;
    z-index: 100;
    overflow-y: auto;
}

.modal-mask.show {
    display: flex;
}

.modal {
    width: 100%;
    max-width: 560px;
    background: var(--bg-elevated);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 30px 80px -30px rgba(15, 23, 42, 0.5);
    animation: modal-in 0.18s ease;
}

@keyframes modal-in {
    from { opacity: 0; transform: translateY(-8px) scale(0.99); }
    to { opacity: 1; transform: none; }
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-head h3 {
    font-size: 15px;
}

.modal-body {
    padding: 18px 20px;
}

.modal-foot {
    display: flex;
    justify-content: flex-end;
    gap: 9px;
    padding: 14px 20px 18px;
}

.modal .close {
    border: 0;
    background: transparent;
    font-size: 20px;
    line-height: 1;
    color: var(--muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 6px;
}

.modal .close:hover {
    background: var(--panel-2);
    color: var(--text);
}

/* ── Toast ────────────────────────────────────────────── */
#toastHost {
    position: fixed;
    right: 20px;
    top: 20px;
    display: grid;
    gap: 8px;
    z-index: 200;
}

.toast {
    padding: 11px 16px;
    border-radius: 10px;
    background: #0f172a;
    color: #e8eef9;
    font-size: 13px;
    box-shadow: 0 16px 34px -18px rgba(0, 0, 0, 0.7);
    border-left: 3px solid var(--ok);
    animation: toast-in 0.2s ease;
    max-width: 340px;
}

.toast.error {
    border-left-color: var(--danger);
}

@keyframes toast-in {
    from { opacity: 0; transform: translateX(14px); }
    to { opacity: 1; transform: none; }
}

.loading {
    padding: 40px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

.spinner {
    width: 26px;
    height: 26px;
    margin: 0 auto 10px;
    border-radius: 50%;
    border: 2.5px solid var(--border-strong);
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.code {
    font-family: var(--mono);
    font-size: 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 8px 11px;
    word-break: break-all;
    color: var(--text-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.code button {
    border: 0;
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    font-size: 12px;
    white-space: nowrap;
}

.hr {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
}

.section-label {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin: 4px 0 10px;
}

.checklist {
    margin: 0;
    padding-left: 18px;
    color: var(--text-soft);
    font-size: 12.5px;
    line-height: 1.9;
}

.modal-wide {
    max-width: 760px;
}

.scan-summary {
    font-size: 12.5px;
    color: var(--muted);
    margin-bottom: 10px;
}

.scan-toolbar {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.scan-list {
    max-height: 380px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 10px;
}

.scan-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}

.scan-item:last-child {
    border-bottom: 0;
}

.scan-item:hover {
    background: var(--panel-2);
}

.scan-item.disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.scan-item input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--primary);
    flex: none;
}

.scan-info {
    flex: 1;
    min-width: 0;
}

.scan-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.scan-entities {
    font-family: var(--mono);
    font-size: 10.5px;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.scan-values {
    display: flex;
    gap: 12px;
    font-family: var(--mono);
    font-size: 12px;
    flex: none;
}

.scan-value.temp {
    color: var(--temp);
}

.scan-value.hum {
    color: var(--hum);
}

.scan-flag {
    flex: none;
}

@media (max-width: 1180px) {
    .dash-columns {
        grid-template-columns: minmax(0, 1fr);
    }
    .kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: static;
        height: auto;
        flex-direction: row;
        align-items: center;
        gap: 12px;
        overflow-x: auto;
        padding: 12px 14px;
    }
    .sidebar .brand .sub,
    .sidebar-foot {
        display: none;
    }
    .nav {
        display: flex;
        gap: 4px;
    }
    .nav a span {
        display: none;
    }
    .main {
        padding: 16px;
    }
}

@media (max-width: 640px) {
    .dashboard {
        padding: 12px;
    }
    .kpi-grid {
        gap: 10px;
    }
    .kpi .value {
        font-size: 24px;
    }
    .topbar {
        padding: 10px 14px;
    }
    .env-grid {
        grid-template-columns: 1fr;
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .chart-wrap canvas {
        height: 210px;
    }
}

/* ── 自定义排序 ─────────────────────────────────────── */
.sort-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 18px;
    margin-bottom: 12px;
}

.sort-toolbar .small {
    margin-right: auto;
}

.drag-cell {
    width: 56px;
    text-align: center;
}

.drag-handle {
    display: inline-block;
    cursor: grab;
    color: var(--muted);
    font-size: 18px;
    line-height: 1;
    padding: 4px 8px;
    user-select: none;
}

table.data tbody tr[draggable="true"] {
    cursor: move;
}

table.data tbody tr.dragging {
    opacity: 0.5;
}

table.data tbody tr.dragging td {
    background: var(--panel-2);
}

/* ── 规则多选点位 ───────────────────────────────────── */
.check-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.check-tools .small {
    margin-left: auto;
}

.check-list {
    max-height: 190px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 12px;
    background: var(--panel-2);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 14px;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 2px;
    font-size: 12.5px;
    color: var(--text-soft);
    cursor: pointer;
}

.check-item input {
    width: 14px;
    height: 14px;
    accent-color: var(--primary);
    flex: none;
}

.check-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}