:root {
  --ink: #10201d;
  --ink-2: #33433f;
  --muted: #64746f;
  --line: #e1e8e5;
  --line-strong: #cdd8d4;
  --bg: #f3f6f5;
  --surface: #ffffff;
  --side: #0e1f1b;
  --side-ink: #b7c9c3;
  --accent: #0b8f7a;
  --accent-strong: #08705f;
  --accent-soft: #e2f3ef;
  --danger: #c2410c;
  --danger-soft: #fdeee6;
  --warn: #a16207;
  --warn-soft: #fdf5dc;
  --info: #1d6fa5;
  --info-soft: #e5f0f8;
  --radius: 10px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--font); font-size: 14px; line-height: 1.5; color: var(--ink); background: var(--bg); }
a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.icon { width: 18px; height: 18px; flex: none; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 13px; }
h2 { font-size: 16px; font-weight: 600; margin: 0; }
h3 { font-size: 14px; font-weight: 600; margin: 0 0 var(--s3); }

/* shell */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 232px; flex: none; background: var(--side); color: var(--side-ink); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; padding: 22px 20px 26px; color: #fff; font-weight: 600; font-size: 17px; letter-spacing: .01em; }
.brand:hover { text-decoration: none; }
.brand .icon { width: 26px; height: 26px; color: #3fd1b4; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; padding: 0 10px; flex: 1; }
.sidebar nav a { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 8px; color: var(--side-ink); font-weight: 500; min-height: 42px; transition: background .15s, color .15s; }
.sidebar nav a:hover { background: rgba(255,255,255,.06); color: #fff; text-decoration: none; }
.sidebar nav a.active { background: rgba(63,209,180,.14); color: #fff; }
.sidebar nav a.active .icon { color: #3fd1b4; }
.sidebar-foot { padding: 16px 20px 20px; border-top: 1px solid rgba(255,255,255,.07); display: grid; gap: 12px; }
.engine { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.engine i { width: 8px; height: 8px; border-radius: 50%; background: #e0673a; }
.engine.on i { background: #3fd1b4; box-shadow: 0 0 0 4px rgba(63,209,180,.15); animation: pulse 2.4s ease-in-out infinite; }
.who { display: flex; align-items: center; justify-content: space-between; color: #fff; }
.who a { color: var(--side-ink); display: inline-flex; padding: 6px; border-radius: 6px; }
.who a:hover { color: #fff; background: rgba(255,255,255,.08); }

.main { flex: 1; min-width: 0; }
.topbar { display: flex; align-items: center; gap: var(--s3); padding: 22px var(--s6) 6px; }
.topbar h1 { font-size: 22px; font-weight: 600; margin: 0; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; width: 40px; height: 40px; align-items: center; justify-content: center; color: var(--ink); cursor: pointer; }
.content { padding: var(--s4) var(--s6) var(--s7); animation: rise .35s ease-out both; }

/* panels */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.panel + .panel, .grid + .panel, .panel + .grid, .kpis + .grid, .kpis + .panel { margin-top: var(--s5); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); padding: var(--s4) var(--s5); border-bottom: 1px solid var(--line); }
.panel-body { padding: var(--s5); }
.grid { display: grid; gap: var(--s5); align-items: start; }
.grid > .panel { margin-top: 0; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.main-side { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.kpi { padding: var(--s5); border-left: 1px solid var(--line); }
.kpi:first-child { border-left: 0; }
.kpi .label { color: var(--muted); font-size: 13px; }
.kpi .value { font-size: 28px; font-weight: 600; letter-spacing: -.01em; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .value.danger { color: var(--danger); }
.kpi .value.accent { color: var(--accent-strong); }

/* chart */
.chart { position: relative; height: 260px; }
.chart canvas { width: 100%; height: 100%; display: block; }
.legend { display: flex; gap: var(--s4); font-size: 13px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.chart-tip { position: absolute; pointer-events: none; background: var(--ink); color: #fff; font-size: 12px; padding: 6px 10px; border-radius: 6px; white-space: nowrap; transform: translate(-50%, -110%); opacity: 0; transition: opacity .12s; }

/* bars list */
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.bars li { display: grid; gap: 6px; }
.bars .row { display: flex; justify-content: space-between; gap: var(--s3); }
.bars .track { height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; }
.bars .fill { height: 100%; background: var(--accent); border-radius: 3px; transform-origin: left; animation: grow .6s ease-out both; }
.bars .fill.danger { background: var(--danger); }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px var(--s5); border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; background: #fafcfb; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #fafcfb; }
td.actions { text-align: right; white-space: nowrap; }
td .sub { display: block; color: var(--muted); font-size: 12px; }
.truncate { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty { padding: var(--s7) var(--s5); text-align: center; color: var(--muted); }
.empty strong { display: block; color: var(--ink); font-size: 15px; margin-bottom: 4px; }

/* badges */
.badge { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 6px; font-size: 12px; font-weight: 500; background: var(--bg); color: var(--ink-2); white-space: nowrap; }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.info { background: var(--info-soft); color: var(--info); }
.badge.ok { background: var(--accent-soft); color: var(--accent-strong); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: 8px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); font: inherit; font-weight: 500; cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s, transform .1s; }
.btn:hover { background: var(--bg); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-strong); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); border-color: #f3c3ab; }
.btn.small { height: 32px; padding: 0 12px; font-size: 13px; }
.btn.link { border: 0; background: none; color: var(--accent-strong); padding: 0 6px; height: auto; }
.btn.link.danger { color: var(--danger); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.inline { display: inline; }
.toolbar { display: flex; flex-wrap: wrap; align-items: end; gap: var(--s3); }

/* forms */
.form { display: grid; gap: var(--s5); max-width: 860px; }
.section { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--s5); }
.section > h2 { margin-bottom: 4px; }
.section > p.muted { margin: 0 0 var(--s4); }
.fields { display: grid; gap: var(--s4); }
.fields.cols { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.field label, .field .label { display: block; font-weight: 500; margin-bottom: 6px; }
.field .hint { color: var(--muted); font-size: 12px; margin-top: 6px; }
.field .error { color: var(--danger); font-size: 12px; margin-top: 6px; }
input[type=text], input[type=password], input[type=number], input[type=search], input[type=date], input[type=datetime-local], select, textarea {
  width: 100%; min-height: 40px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff; color: var(--ink); font: inherit;
}
textarea { min-height: 96px; resize: vertical; }
textarea.mono, input.mono { font-family: var(--mono); font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(11,143,122,.15); }
.check { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--accent); }
.check span small { display: block; color: var(--muted); font-size: 12px; }
.segmented { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 8px; overflow: hidden; }
.segmented label { margin: 0; padding: 9px 16px; cursor: pointer; border-left: 1px solid var(--line-strong); font-weight: 500; }
.segmented label:first-child { border-left: 0; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label:has(input:checked) { background: var(--accent-soft); color: var(--accent-strong); }
.segmented label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: -2px; }
.form-actions { display: flex; gap: var(--s3); position: sticky; bottom: 0; padding: var(--s4) 0; background: linear-gradient(to top, var(--bg) 70%, transparent); }
.reveal[hidden] { display: none; }

/* conditions builder */
.cond { display: grid; grid-template-columns: 150px 140px 160px 1fr 40px; gap: var(--s2); align-items: start; }
.cond + .cond { margin-top: var(--s2); }
.cond .name[hidden] { display: none; }
.cond:has(.name[hidden]) [data-field] { grid-column: span 2; }
.cond-remove { height: 40px; border: 1px solid var(--line-strong); background: #fff; border-radius: 8px; cursor: pointer; color: var(--muted); font-size: 18px; }
.cond-remove:hover { color: var(--danger); border-color: #f3c3ab; }

/* flash */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: var(--s4); border: 1px solid var(--line); background: var(--surface); animation: rise .3s ease-out both; }
.flash.success { background: var(--accent-soft); border-color: #bfe5dc; color: var(--accent-strong); }
.flash.error { background: var(--danger-soft); border-color: #f3c3ab; color: var(--danger); }

/* detail list */
.dl { display: grid; grid-template-columns: 160px 1fr; }
.dl dt, .dl dd { padding: 10px 0; border-bottom: 1px solid var(--line); margin: 0; }
.dl dt { color: var(--muted); }
.dl dd { word-break: break-all; }
pre.payload { background: #0f1d1a; color: #d6efe8; padding: var(--s4); border-radius: 8px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; font-family: var(--mono); font-size: 13px; margin: 0; }

.pager { display: flex; align-items: center; gap: 6px; padding: var(--s4) var(--s5); border-top: 1px solid var(--line); flex-wrap: wrap; }
.pager a { min-width: 36px; height: 34px; padding: 0 10px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); }
.pager a:hover { background: var(--bg); text-decoration: none; }
.pager a.current { background: var(--accent); color: #fff; border-color: var(--accent); }
.pager .muted { margin-left: auto; }

/* auth screens */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.auth-visual { background: var(--side); color: #fff; padding: 56px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.auth-visual .brand { padding: 0; font-size: 20px; }
.auth-visual h1 { font-size: 40px; line-height: 1.15; font-weight: 600; margin: 0 0 16px; max-width: 460px; }
.auth-visual p { color: var(--side-ink); font-size: 16px; max-width: 420px; margin: 0; }
.auth-visual .lines { position: absolute; inset: auto -10% -20% auto; width: 520px; height: 520px; opacity: .5; }
.auth-form { display: flex; align-items: center; justify-content: center; padding: 40px 32px; background: var(--bg); min-width: 0; }
.auth-form form { width: 100%; max-width: 400px; display: grid; gap: var(--s4); animation: rise .45s ease-out both; }
.auth-form h2 { font-size: 24px; margin: 0; }
.auth-form .muted { margin: 0; }
.auth-form .field input { width: 100%; }
.auth-form .btn { height: 46px; width: 100%; }
.auth-visual .brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; }

@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.lead { margin: 0 0 var(--s4); color: var(--ink-2); max-width: 72ch; }
.sub { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.error-text { color: var(--danger) !important; }
.inline-form { display: inline-flex; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.ip-groups-table td { vertical-align: top; }
.ip-groups-table tr.dim { opacity: .55; }
.check.compact { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.ip-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px 12px; padding: var(--s4) var(--s5); }
.ip-grid a { padding: 6px 8px; background: var(--bg); border-radius: 6px; }
.filters { display: flex; gap: 8px; margin-bottom: var(--s4); }
.filters input[type=search] { flex: 1; max-width: 320px; }
.pager { display: flex; gap: 8px; padding: var(--s3) var(--s5) var(--s4); }
.flash.warn { background: var(--warn-soft); color: var(--warn); }
.content-pad { padding: var(--s4) var(--s5) var(--s5); }
.plain-list { margin: 0; padding-left: 1.2em; color: var(--ink-2); }
.plain-list li { margin-bottom: 10px; }
.plain-list code { font-family: var(--mono); font-size: 12px; background: var(--bg); padding: 1px 5px; border-radius: 4px; }
table tr.dim { opacity: .55; }

@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 4px rgba(63,209,180,.15); } 50% { box-shadow: 0 0 0 7px rgba(63,209,180,.05); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .kpi:nth-child(4) { border-left: 0; }
  .kpi:nth-child(n+4) { border-top: 1px solid var(--line); }
  .grid.two, .grid.main-side { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .sidebar { position: fixed; z-index: 20; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; box-shadow: 0 0 0 100vmax rgba(14,31,27,.4); }
  .menu-btn { display: inline-flex; }
  .topbar, .content { padding-left: var(--s4); padding-right: var(--s4); }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi { border-left: 0; border-top: 1px solid var(--line); }
  .kpi:nth-child(-n+2) { border-top: 0; }
  .kpi:nth-child(even) { border-left: 1px solid var(--line); }
  .cond { grid-template-columns: 1fr 1fr; }
  .auth-page { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
  .dl { grid-template-columns: 1fr; }
  .dl dt { border-bottom: 0; padding-bottom: 0; }
}