:root {
  --bg: #071018;
  --panel: rgba(15, 28, 39, .88);
  --panel-solid: #0f1c27;
  --line: rgba(148, 180, 199, .14);
  --text: #eef7fa;
  --muted: #8195a2;
  --cyan: #4de2d0;
  --cyan-dim: rgba(77, 226, 208, .12);
  --green: #75e69b;
  --red: #ff7185;
  --yellow: #f4c86a;
  --loss: #ffb454;
  --blue: #5bb7ff;
  --unicom: #ff7185;
  --mobile: #75e69b;
  --telecom: #5bb7ff;
  font-family: Inter, "Segoe UI", "Microsoft YaHei UI", sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
[data-node-id="mobile"] { --carrier: var(--mobile); --series-color: var(--mobile); --point-color: var(--mobile); }
[data-node-id="telecom"] { --carrier: var(--telecom); --series-color: var(--telecom); --point-color: var(--telecom); }
[data-node-id="unicom"] { --carrier: var(--unicom); --series-color: var(--unicom); --point-color: var(--unicom); }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, black, transparent 70%); }
.ambient { position: fixed; width: 520px; height: 520px; border-radius: 50%; filter: blur(110px); pointer-events: none; opacity: .12; }
.ambient-a { background: #20d9ca; left: -220px; top: -250px; }
.ambient-b { background: #2387e8; right: -280px; top: 200px; }
.shell { max-width: 1480px; padding: 0 34px 48px; margin: 0 auto; position: relative; }
.topbar { height: 86px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 13px; }
.brand h1 { margin: 0; font-size: 22px; letter-spacing: -.4px; }
.brand p { margin: 1px 0 0; color: var(--muted); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; border: 1px solid rgba(77,226,208,.35); background: var(--cyan-dim); display: flex; align-items: center; justify-content: center; gap: 3px; }
.brand-mark span { width: 3px; border-radius: 2px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.brand-mark span:nth-child(1) { height: 9px; }.brand-mark span:nth-child(2) { height: 19px; }.brand-mark span:nth-child(3) { height: 13px; }
.toolbar { display: flex; align-items: center; gap: 10px; }
.connection-pill { display: flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 16px; color: var(--muted); background: rgba(255,255,255,.025); font-size: 11px; }
.connection-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--yellow); }
.connection-pill.connected { color: var(--green); border-color: rgba(117,230,155,.2); background: rgba(117,230,155,.07); }
.connection-pill.connected i { background: var(--green); box-shadow: 0 0 8px var(--green); }
.connection-pill.disconnected i { animation: pulse 1s infinite; }
button, select, input, textarea { font: inherit; }
button { cursor: pointer; }
.select-wrap { display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 12px; }
select, input, textarea { color: var(--text); background: #0a151e; border: 1px solid var(--line); border-radius: 9px; outline: none; }
select { padding: 9px 30px 9px 11px; }
input { width: 100%; padding: 12px 13px; margin-top: 7px; }
input:focus, select:focus, textarea:focus { border-color: rgba(77,226,208,.55); box-shadow: 0 0 0 3px rgba(77,226,208,.08); }
.ghost-btn, .icon-btn, .primary-btn { border-radius: 9px; border: 1px solid var(--line); color: var(--text); padding: 9px 13px; background: rgba(255,255,255,.025); }
.icon-btn { font-size: 20px; padding: 4px 12px 7px; color: var(--cyan); }
.primary-btn { color: #04201e; border-color: var(--cyan); background: var(--cyan); font-weight: 700; box-shadow: 0 8px 24px rgba(77,226,208,.13); }
.primary-btn:hover { filter: brightness(1.08); }
.ghost-btn:hover, .icon-btn:hover { background: rgba(255,255,255,.06); }
.logout-btn { padding: 7px 10px; border-radius: 16px; font-size: 11px; }
.auth-locked .shell { pointer-events: none; user-select: none; filter: blur(3px); opacity: .58; }
.hero-row { margin: 36px 0 20px; display: flex; justify-content: space-between; align-items: flex-end; }
.hero-row h2 { margin: 3px 0 5px; font-size: 27px; letter-spacing: -.8px; }
.eyebrow { margin: 0 0 5px; color: var(--cyan); font-weight: 700; letter-spacing: 1.6px; font-size: 10px; }
.muted { color: var(--muted); font-size: 12px; }
.live-pill { display: flex; gap: 8px; align-items: center; padding: 8px 12px; border-radius: 20px; background: rgba(117,230,155,.08); color: var(--green); font-size: 12px; border: 1px solid rgba(117,230,155,.18); }
.live-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.node-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.node-card { padding: 17px 19px 15px; min-height: 148px; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(145deg, rgba(20,39,52,.92), rgba(11,24,34,.9)); position: relative; overflow: hidden; }
.node-card::after { content: ""; position: absolute; width: 110px; height: 110px; right: -35px; top: -50px; border-radius: 50%; background: var(--carrier); opacity: .08; filter: blur(12px); }
.node-head, .node-foot, .node-meta { display: flex; justify-content: space-between; align-items: center; }
.node-name { display: flex; align-items: center; gap: 9px; font-weight: 650; }
.carrier-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--carrier); box-shadow: 0 0 8px var(--carrier); }
.status { font-size: 11px; padding: 4px 8px; border-radius: 10px; }
.status.online { color: var(--green); background: rgba(117,230,155,.1); }.status.offline { color: var(--red); background: rgba(255,113,133,.1); }
.node-meta { margin-top: 5px; color: var(--muted); font-family: Consolas, monospace; font-size: 10px; }
.node-health { display: grid; grid-template-columns: 1fr 1fr; margin: 14px 0 12px; padding: 9px 0; border-top: 1px solid rgba(148,180,199,.09); border-bottom: 1px solid rgba(148,180,199,.09); }
.node-health > div { display: flex; align-items: baseline; gap: 7px; }.node-health > div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.node-health strong { font-size: 20px; line-height: 1; }.node-health span { color: var(--muted); font-size: 10px; }
.node-foot { gap: 10px; color: var(--muted); font-size: 10px; }.node-foot span:first-child { min-width: 0; }.node-foot span:last-child { flex: 0 0 auto; }
.panel { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); backdrop-filter: blur(14px); }
.tasks-panel { padding: 20px; margin-top: 15px; }
.panel-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 17px; }
.panel-title h3 { margin: 0; font-size: 17px; }.panel-title.compact { margin-bottom: 13px; }
.task-list { display: flex; flex-direction: column; gap: 9px; }
.task-row { display: grid; grid-template-columns: minmax(190px, .8fr) minmax(360px, 2fr) auto; align-items: center; gap: 12px; padding: 13px; background: rgba(3,12,19,.34); border: 1px solid var(--line); border-radius: 11px; transition: border-color .2s, background .2s; }
.task-row:hover { border-color: rgba(77,226,208,.32); background: rgba(77,226,208,.035); }
.task-title { min-width: 0; }
.task-title strong, .task-title small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task-title small { color: var(--muted); margin-top: 4px; font-family: Consolas, monospace; }
.stat-chips { display: flex; gap: 7px; }
.stat-chip { flex: 1; min-width: 82px; padding: 7px 9px; border-radius: 8px; background: rgba(255,255,255,.025); border-left: 2px solid var(--carrier); }
.stat-chip b, .stat-chip span { display: block; }.stat-chip b { font-size: 12px; }.stat-chip span { color: var(--muted); font-size: 10px; margin-top: 3px; }
.stat-chip.loss b { color: var(--red); }
.task-actions { display: flex; gap: 6px; }
.mini-btn { padding: 6px 8px; border: 1px solid var(--line); border-radius: 7px; background: transparent; color: var(--muted); }
.mini-btn:hover { color: var(--text); background: rgba(255,255,255,.05); }.mini-btn.danger:hover { color: var(--red); border-color: rgba(255,113,133,.3); }
.task-row.disabled { opacity: .5; }
.tag { padding: 5px 8px; color: var(--muted); border: 1px solid var(--line); border-radius: 8px; font-size: 10px; }
.trends-section { margin-top: 28px; }
.section-title { display: flex; align-items: flex-end; justify-content: space-between; margin: 0 2px 13px; }
.section-title h3 { margin: 0; font-size: 19px; }.section-title .muted { margin: 6px 0 0; }
.latency-stack { display: flex; flex-direction: column; gap: 15px; }
.latency-card { padding: 19px 20px 14px; overflow: hidden; }
.latency-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 8px; }
.latency-title { min-width: 160px; }
.latency-title h4 { margin: 0; font-size: 16px; }.latency-title p { margin: 5px 0 0; color: var(--muted); font-family: Consolas, monospace; font-size: 11px; }
.latency-title p { max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task-range-picker { display: flex; align-items: center; gap: 7px; width: max-content; margin-top: 9px; color: var(--muted); font-size: 10px; }
.task-range-picker select { padding: 5px 24px 5px 8px; border-radius: 7px; font-size: 10px; }
.threshold-label { display: inline-block; margin-top: 8px; padding: 4px 7px; border: 1px solid rgba(244,200,106,.22); border-radius: 7px; color: var(--yellow); background: rgba(244,200,106,.06); font-size: 9px; }
.trend-stats { display: flex; justify-content: flex-end; gap: 7px; flex-wrap: wrap; }
.trend-stat { min-width: 128px; padding: 7px 10px; border-radius: 8px; background: rgba(255,255,255,.025); border-top: 2px solid var(--carrier); transition: opacity .2s; }
.trend-stat.series-hidden { opacity: .36; }
.trend-stat b, .trend-stat span, .trend-stat small { display: block; }.trend-stat b { font-size: 11px; }.trend-stat span { color: var(--muted); font-size: 10px; margin-top: 4px; }.trend-stat small { color: #6f858f; font-size: 9px; margin-top: 3px; }
.trend-stat em { font-style: normal; }.trend-stat .loss-text { color: var(--loss); }
.paused-tag { display: inline-block; margin-left: 7px; padding: 3px 6px; border-radius: 7px; color: var(--yellow); background: rgba(244,200,106,.09); font-size: 9px; vertical-align: 2px; }
.latency-card.disabled { opacity: .68; }
.trend-chart { min-height: 245px; display: flex; align-items: center; justify-content: center; position: relative; }
.trend-chart svg { width: 100%; height: 245px; overflow: visible; }
.hover-capture { fill: transparent; cursor: crosshair; }
.hover-crosshair { stroke: rgba(238,247,250,.55); stroke-width: 1; stroke-dasharray: 4 4; opacity: 0; pointer-events: none; }
.hover-crosshair.show { opacity: 1; }
.hover-point { fill: var(--point-color); stroke: #071018; stroke-width: 2; opacity: 0; pointer-events: none; }
.hover-point.show { opacity: 1; }
.chart-tooltip { position: absolute; z-index: 4; width: max-content; min-width: 230px; max-width: min(310px, calc(100vw - 50px)); padding: 10px 11px; border: 1px solid rgba(148,180,199,.24); border-radius: 9px; background: rgba(7,16,24,.96); box-shadow: 0 12px 32px rgba(0,0,0,.42); opacity: 0; visibility: hidden; pointer-events: none; transform: translateX(12px); transition: opacity .08s; }
.chart-tooltip.show { opacity: 1; visibility: visible; }
.chart-tooltip.align-right { transform: translateX(calc(-100% - 12px)); }
.tooltip-time { padding-bottom: 7px; margin-bottom: 5px; border-bottom: 1px solid var(--line); color: #b9cbd3; font-family: Consolas, monospace; font-size: 11px; }
.tooltip-row { display: grid; grid-template-columns: minmax(62px, 1fr) auto; align-items: center; gap: 2px 14px; min-height: 28px; font-size: 11px; }
.tooltip-row > span { display: flex; align-items: center; gap: 6px; color: #c7d6dc; }
.tooltip-row i { width: 7px; height: 7px; border-radius: 50%; }
.tooltip-row i[data-node-id] { background: var(--carrier); }
.tooltip-row b { font-weight: 650; text-align: right; }
.tooltip-row small { grid-column: 1 / -1; color: var(--muted); text-align: right; font-size: 9px; }
.tooltip-row .loss-text { color: var(--yellow); }
.tooltip-threshold { margin-top: 5px; padding-top: 6px; border-top: 1px solid var(--line); color: var(--yellow); text-align: right; font-size: 9px; }
.chart-empty, .empty { color: var(--muted); text-align: center; padding: 35px 10px; font-size: 12px; }
.chart-legend { min-height: 24px; display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--muted); font-size: 10px; }
.chart-legend span { display: flex; align-items: center; gap: 5px; }.chart-legend i { width: 14px; height: 2px; display: inline-block; }
.series-toggle { display: flex; align-items: center; gap: 5px; padding: 4px 8px; border: 1px solid transparent; border-radius: 12px; color: var(--muted); background: transparent; font-size: 10px; opacity: .4; transition: opacity .15s, background .15s, border-color .15s; }
.series-toggle i { width: 9px; height: 9px; flex: 0 0 9px; border: 1px solid var(--series-color); border-radius: 50%; background: transparent; }
.series-toggle:hover { opacity: .8; background: rgba(255,255,255,.035); }
.series-toggle.active { opacity: 1; color: #dce9ed; border-color: var(--series-color); background: rgba(255,255,255,.025); }
.series-toggle.active i { background: var(--series-color); box-shadow: 0 0 7px var(--series-color); }
.chart-legend .loss-legend i { width: 6px; height: 6px; border-radius: 50%; background: var(--loss); }
.chart-legend .threshold-legend i { width: 15px; height: 0; border-top: 1px dashed var(--yellow); }
.mtr-group { padding: 18px 20px; overflow: hidden; }
.mtr-group.disabled { opacity: .68; }
.mtr-group-head { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.mtr-group-head h4 { margin: 0; font-size: 16px; }.mtr-group-head p { margin: 5px 0 0; color: var(--muted); font-size: 10px; }
.mtr-group-counts { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.mtr-group-counts span { min-width: 82px; padding: 7px 9px; color: var(--muted); border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.02); font-size: 10px; }
.mtr-group-counts b { color: var(--text); margin-right: 4px; font-size: 13px; }.mtr-group-counts .critical-text, .mtr-group-counts .critical-text b { color: var(--red); }
.mtr-target-list { display: flex; flex-direction: column; }
.mtr-target { border-bottom: 1px solid rgba(148,180,199,.09); }
.mtr-target:last-child { border-bottom: 0; }
.mtr-target summary { min-height: 48px; display: grid; grid-template-columns: minmax(130px,.55fr) minmax(360px,2fr) 16px; align-items: center; gap: 12px; padding: 9px 6px; cursor: pointer; list-style: none; }
.mtr-target summary::-webkit-details-marker { display: none; }
.mtr-target summary > code { color: #d7e7ec; font-size: 12px; }.mtr-target.has-abnormal summary > code { color: var(--red); }
.mtr-target-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.mtr-status { display: inline-flex; align-items: center; gap: 5px; padding: 4px 7px; color: var(--muted); border-radius: 10px; background: rgba(255,255,255,.035); font-size: 9px; white-space: nowrap; }
.mtr-status i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }.mtr-status.normal { color: var(--green); }.mtr-status.warning { color: var(--yellow); }.mtr-status.critical { color: var(--red); }.mtr-status.waiting { color: var(--muted); }
.mtr-chevron { color: var(--muted); transition: transform .18s; }.mtr-target[open] .mtr-chevron { transform: rotate(180deg); }
.mtr-routes { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 9px; padding: 1px 5px 14px; }
.mtr-route { min-width: 0; padding: 11px; border: 1px solid var(--line); border-top: 2px solid var(--carrier); border-radius: 9px; background: rgba(3,12,19,.4); }
.mtr-route header, .mtr-route-meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; }.mtr-route header b { font-size: 11px; }
.mtr-route-meta { align-items: flex-start; margin: 7px 0 9px; color: var(--muted); font-size: 8px; }.mtr-route-meta span:last-child { text-align: right; }
.mtr-hop { display: grid; grid-template-columns: 21px minmax(82px,1fr) 52px 58px; align-items: center; gap: 5px; min-height: 25px; padding: 2px 4px; border-radius: 5px; color: var(--muted); font-size: 8px; }
.mtr-hop:nth-child(even) { background: rgba(255,255,255,.018); }.mtr-hop.matched { background: rgba(77,226,208,.09); color: var(--cyan); }
.mtr-hop code { overflow: hidden; text-overflow: ellipsis; color: #aabcc4; white-space: nowrap; }.mtr-hop b { color: #d5e5ea; text-align: right; font-weight: 500; }.hop-number { color: #627884; text-align: right; }
.mtr-route-empty { padding: 24px 8px; color: var(--muted); text-align: center; font-size: 10px; }.mtr-error { margin-bottom: 7px; color: var(--red); font-size: 9px; overflow-wrap: anywhere; }
dialog { color: var(--text); border: 1px solid var(--line); border-radius: 15px; padding: 0; background: var(--panel-solid); box-shadow: 0 30px 100px rgba(0,0,0,.55); }
dialog::backdrop { background: rgba(2,8,12,.78); backdrop-filter: blur(4px); }
.dialog-card { width: min(560px, calc(100vw - 34px)); max-height: calc(100vh - 34px); overflow-y: auto; padding: 25px; }
.login-card { width: min(420px, calc(100vw - 34px)); }
.login-card .form-hint { margin: 5px 0 0; font-size: 11px; }
.login-card .dialog-actions { justify-content: stretch; }
.login-card .dialog-actions button { width: 100%; }
.dialog-card h3 { font-size: 21px; margin: 2px 0 7px; }.dialog-card label, .field-label { display: block; margin-top: 17px; font-size: 12px; color: #b6c7cf; }
.dialog-card select { display: block; width: 100%; margin-top: 7px; padding: 12px 13px; }
.dialog-card textarea { display: block; width: 100%; resize: vertical; margin-top: 7px; padding: 11px 13px; line-height: 1.45; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 21px; }
.form-error { min-height: 16px; color: var(--red); font-size: 11px; margin: 8px 0 0; }
.form-hint { margin: 10px 2px 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.node-checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 7px; }
.node-checks label { margin: 0; padding: 9px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.node-checks input { width: auto; margin: 0 6px 0 0; accent-color: var(--cyan); }
.fixed-rate { display: flex; justify-content: space-between; margin-top: 16px; padding: 10px 12px; border-radius: 8px; background: var(--cyan-dim); color: var(--muted); font-size: 12px; }.fixed-rate strong { color: var(--cyan); }
.toast { position: fixed; right: 25px; bottom: 25px; background: #17303c; color: var(--text); padding: 11px 15px; border-radius: 9px; border: 1px solid var(--line); box-shadow: 0 12px 35px rgba(0,0,0,.35); transform: translateY(80px); opacity: 0; transition: .25s; font-size: 12px; }
.toast.show { transform: translateY(0); opacity: 1; }
code { color: var(--cyan); }
@media (max-width: 980px) { .node-grid { grid-template-columns: 1fr; }.task-row { grid-template-columns: 1fr; }.task-actions { justify-content: flex-end; }.latency-head, .mtr-group-head { flex-direction: column; }.trend-stats, .mtr-group-counts { justify-content: flex-start; width: 100%; }.mtr-routes { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .shell { padding: 0 15px 35px; }.topbar { height: auto; padding: 17px 0; align-items: flex-start; }.toolbar { flex-wrap: wrap; justify-content: flex-end; }.select-wrap { display: none; }.hero-row { margin-top: 25px; }.stat-chips, .trend-stats { flex-direction: column; }.trend-stat { width: 100%; }.section-title { align-items: flex-start; gap: 12px; }.node-checks { grid-template-columns: 1fr; }.mtr-target summary { grid-template-columns: 1fr 15px; }.mtr-target-pills { grid-column: 1 / -1; grid-row: 2; }.mtr-chevron { grid-column: 2; grid-row: 1; }.mtr-hop { grid-template-columns: 18px minmax(80px,1fr) 48px; }.mtr-hop b { display: none; } }