/* Softswitch IWC — UI styles. Dark NOC theme by default, light theme via toggle. */
:root {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #232321;
  --surface-3: #2c2c2a;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --ink-3: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --line: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --accent-ink: #ffffff;
  --accent-soft: rgba(57, 135, 229, 0.16);
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181;
  --good: #0ca30c; --warning: #fab219; --serious: #ec835a; --critical: #d03b3b;
  --good-ink: #3fcf3f; --crit-ink: #ff7a7a; --warn-ink: #fab219;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
:root[data-theme="light"] {
  color-scheme: light;
  --page: #f4f4f1;
  --surface: #fcfcfb;
  --surface-2: #f3f3f0;
  --surface-3: #e9e8e3;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #6d6b66;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --line: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-soft: rgba(42, 120, 214, 0.10);
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4;
  --good-ink: #006300; --crit-ink: #b42323; --warn-ink: #8a5d00;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--page); color: var(--ink); font: 14px/1.45 var(--font); -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
.num, td.num, th.num { font-variant-numeric: tabular-nums; text-align: right; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--ink-3); }
.ink2 { color: var(--ink-2); }
.good-t { color: var(--good-ink); }
.crit-t { color: var(--crit-ink); }
.warn-t { color: var(--warn-ink); }

/* icons */
i[data-ico] { display: inline-flex; width: 18px; height: 18px; flex: none; }
i[data-ico] svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px;
  background: radial-gradient(1200px 600px at 20% 0%, var(--accent-soft), transparent 60%), var(--page); }
.login-card { width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 28px; box-shadow: var(--shadow); display: grid; gap: 14px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand strong { display: block; font-size: 15px; }
.brand small { display: block; color: var(--ink-3); font-size: 12px; }
.brand-lg strong { font-size: 18px; }
.brand-mark { width: 32px; height: 32px; border-radius: 8px; background: var(--accent) url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'><path d='M8 20l5-8 4 6 3-4 4 6' stroke='white' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/100% no-repeat; flex: none; }

/* shell */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; background: linear-gradient(to right, var(--surface) 232px, var(--page) 232px); }
.sidebar { background: var(--surface); border-right: 1px solid var(--line); display: flex; flex-direction: column; padding: 16px 12px; position: sticky; top: 0; height: 100vh; }
.sidebar .brand { padding: 4px 8px 16px; }
#nav { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; flex: 1; }
.nav-group { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); padding: 14px 10px 6px; }
#nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--ink-2); font-weight: 500; }
#nav a:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
#nav a.active { background: var(--accent-soft); color: var(--ink); }
#nav a.active i { color: var(--accent); }
.nav-badge { margin-left: auto; font-size: 11px; font-variant-numeric: tabular-nums; background: var(--surface-3); color: var(--ink-2); border-radius: 99px; padding: 1px 7px; }
.nav-badge-crit { background: var(--critical); color: #fff; }
.sidebar-foot { display: flex; justify-content: space-between; align-items: center; padding: 12px 10px 0; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 13px; }
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 14px 24px; border-bottom: 1px solid var(--line); background: var(--page); position: sticky; top: 0; z-index: 20; }
.topbar h1 { font-size: 18px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.clock { color: var(--ink-3); font-variant-numeric: tabular-nums; font-size: 13px; }
.live-dot { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.live-dot span { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 0 rgba(12, 163, 12, 0.6); animation: ping 2s infinite; }
.live-dot.off span { background: var(--ink-3); animation: none; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(12, 163, 12, 0.5); } 70% { box-shadow: 0 0 0 7px rgba(12, 163, 12, 0); } 100% { box-shadow: 0 0 0 0 rgba(12, 163, 12, 0); } }
.menu-btn { display: none; }
.view { padding: 20px 24px 48px; display: grid; gap: 16px; align-content: start; }
.banner { background: rgba(250, 178, 25, 0.12); border-bottom: 1px solid rgba(250, 178, 25, 0.35); color: var(--ink); padding: 8px 24px; font-size: 13px; }

/* buttons & inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink); font: 500 13px var(--font); cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-3); }
.btn-primary { background: var(--accent); border-color: transparent; color: #fff; }
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn-danger { color: var(--crit-ink); }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }
.btn-block { width: 100%; }
.btn i { width: 16px; height: 16px; }
.icon-btn { background: none; border: 0; color: var(--ink-2); cursor: pointer; padding: 6px; border-radius: 8px; display: inline-flex; }
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }
input, select, textarea { font: 13px var(--font); color: var(--ink); background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: 0 10px; height: 34px; min-width: 0; }
textarea { height: auto; padding: 8px 10px; resize: vertical; font-family: var(--mono); font-size: 12.5px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { display: grid; gap: 5px; align-content: start; font-size: 12px; color: var(--ink-2); font-weight: 500; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-hint { font-size: 11.5px; color: var(--ink-3); font-weight: 400; }
.form-error { color: var(--crit-ink); font-size: 13px; min-height: 1em; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.toolbar .spacer { flex: 1; }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: 2px; }
.seg button { border: 0; background: none; color: var(--ink-2); font: 500 12.5px var(--font); padding: 5px 11px; border-radius: 6px; cursor: pointer; }
.seg button.on { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25); }

/* cards & grid */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; }
.card-h { display: flex; align-items: center; gap: 10px; padding: 14px 16px 0; }
.card-h h3 { font-size: 14px; }
.card-h .sub { color: var(--ink-3); font-size: 12px; }
.card-h .right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.card-b { padding: 14px 16px 16px; }
.card-b.flush { padding: 10px 0 0; }
.grid { display: grid; gap: 16px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-21 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.g-12 { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.kpis.k8 { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.kpis.k8 .v { font-size: 22px; }
@media (max-width: 1600px) { .kpis.k8 { grid-template-columns: repeat(4, minmax(0, 1fr)); } .kpis.k8 .v { font-size: 26px; } }
@media (max-width: 700px) { .kpis.k8 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; min-width: 0; }
.kpi .k { font-size: 12px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.kpi .v { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; margin-top: 4px; white-space: nowrap; }
.kpi .v small { font-size: 14px; color: var(--ink-3); font-weight: 500; margin-left: 2px; }
.kpi .d { font-size: 12px; margin-top: 2px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.kpi.hl { border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: linear-gradient(180deg, var(--accent-soft), var(--surface) 70%); }

/* tables */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-3); padding: 8px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; background: var(--surface); }
td { padding: 9px 11px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--surface-2); }
td.wrap { white-space: normal; min-width: 180px; }
td.actions { text-align: right; width: 1%; }
td.actions .btn { margin-left: 4px; }
.empty { padding: 36px 16px; text-align: center; color: var(--ink-3); }
.tbl-foot { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 12.5px; }
.tbl-foot .spacer { flex: 1; }

/* pills & status */
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--surface-3); color: var(--ink-2); }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.good { color: var(--good-ink); background: rgba(12, 163, 12, 0.13); }
.pill.warning { color: var(--warn-ink); background: rgba(250, 178, 25, 0.14); }
.pill.serious { color: var(--serious); background: rgba(236, 131, 90, 0.14); }
.pill.critical { color: var(--crit-ink); background: rgba(208, 59, 59, 0.15); }
.pill.neutral::before { display: none; }
.meter { position: relative; height: 6px; border-radius: 99px; background: var(--surface-3); overflow: hidden; min-width: 70px; }
.meter > span { position: absolute; inset: 0 auto 0 0; border-radius: 99px; background: var(--accent); }
.cell-meter { display: flex; align-items: center; gap: 8px; }
.cell-meter .meter { flex: 1; }

/* alerts */
.alerts { display: grid; gap: 8px; }
.alert { display: grid; grid-template-columns: 22px 1fr; gap: 8px; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); border-left: 3px solid var(--ink-3); }
.alert.critical { border-left-color: var(--critical); }
.alert.serious { border-left-color: var(--serious); }
.alert.warning { border-left-color: var(--warning); }
.alert i { width: 18px; height: 18px; margin-top: 1px; }
.alert.critical i { color: var(--crit-ink); }
.alert.serious i { color: var(--serious); }
.alert.warning i { color: var(--warn-ink); }
.alert b { display: block; font-size: 13px; }
.alert span { font-size: 12px; color: var(--ink-2); }

/* charts */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .axis { stroke: var(--axis); stroke-width: 1; }
.chart text { fill: var(--ink-3); font: 11px var(--font); font-variant-numeric: tabular-nums; }
.chart .crosshair { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 3 3; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--ink-2); margin-bottom: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.hbars { display: grid; gap: 9px; }
.hbar { display: grid; grid-template-columns: minmax(90px, 150px) 1fr auto; gap: 10px; align-items: center; font-size: 12.5px; }
.hbar .lbl { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar .track { height: 10px; background: var(--surface-2); border-radius: 0 4px 4px 0; }
.hbar .fill { height: 100%; border-radius: 0 4px 4px 0; background: var(--s1); min-width: 2px; }
.hbar .val { font-variant-numeric: tabular-nums; color: var(--ink); min-width: 64px; text-align: right; }
.tip { position: fixed; z-index: 100; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 12px; box-shadow: var(--shadow); min-width: 140px; }
.tip .tt { font-weight: 600; margin-bottom: 4px; }
.tip .tr { display: flex; align-items: center; gap: 8px; justify-content: space-between; color: var(--ink-2); }
.tip .tr b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.tip .sw { width: 8px; height: 8px; border-radius: 2px; display: inline-block; margin-right: 6px; }

/* modal & toast */
.modal-back { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.55); display: grid; place-items: center; z-index: 50; padding: 16px; }
.modal { width: 100%; max-width: 620px; max-height: calc(100vh - 32px); display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.modal header { display: flex; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.modal header h2 { font-size: 16px; flex: 1; }
.modal-body { padding: 18px; overflow-y: auto; }
.modal footer { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line); }
.modal footer:empty { display: none; }
.toast-wrap { position: fixed; bottom: 18px; right: 18px; display: grid; gap: 8px; z-index: 120; }
.toast { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--good); border-radius: 8px; padding: 10px 14px; box-shadow: var(--shadow); font-size: 13px; max-width: 360px; animation: slide .2s ease-out; }
.toast.err { border-left-color: var(--critical); }
@keyframes slide { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

/* misc */
.route-result { display: grid; gap: 10px; }
.target { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 10px 12px; background: var(--surface-2); border-radius: 8px; }
.target .n { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 6px; background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 12px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; font-size: 13px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; }
pre.code { background: var(--page); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; font: 12px/1.55 var(--mono); color: var(--ink-2); margin: 0; }
.secret { display: flex; gap: 8px; align-items: center; }
.secret input { flex: 1; font-family: var(--mono); }
.stat-strip { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--ink-2); }
.stat-strip b { color: var(--ink); font-variant-numeric: tabular-nums; margin-left: 4px; }
.plan-list { display: grid; gap: 4px; }
.plan-item { display: flex; align-items: center; gap: 8px; padding: 9px 10px; border-radius: 8px; cursor: pointer; }
.plan-item:hover { background: var(--surface-2); }
.plan-item.on { background: var(--accent-soft); }
.plan-item .muted { margin-left: auto; font-size: 12px; }
.skeleton { height: 220px; border-radius: 8px; background: linear-gradient(90deg, var(--surface-2), var(--surface-3), var(--surface-2)); background-size: 200% 100%; animation: sk 1.2s infinite; }
@keyframes sk { to { background-position: -200% 0; } }

@media (max-width: 1100px) {
  .g-21, .g-12, .g-3 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; background: var(--page); }
  .sidebar { position: fixed; left: 0; top: 0; z-index: 40; width: 250px; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow); }
  .sidebar.open { transform: none; }
  .menu-btn { display: inline-flex; }
  .topbar, .view { padding-left: 16px; padding-right: 16px; }
  .g-2 { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .clock { display: none; }
}