/* Aqi Control Panel — editorial and quiet. Paper, ink, hairlines; ACQUIRE navy for type and
   gold as the single accent. Instrument Serif for headlines and figures, Inter for the rest.
   Chart series #41609E / #B38E26 validated on white (dataviz validate_palette, light). */
:root {
  --paper: #FBFAF7;
  --white: #FFFFFF;
  --ink: #101828;
  --ink-2: #475467;
  --ink-3: #8A92A3;
  --line: #E8E5DD;
  --line-2: #D8D4C9;
  --navy: #0C265B;
  --gold: #BF9B30;
  --gold-ink: #8A6D17;
  --up: #2E9E6A;
  --part: #E0B24A;
  --down: #D64545;
  --none: #ECEAE4;
  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.55 var(--sans); color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
h1, h2 { margin: 0; font-weight: 400; }
h2 { font: 600 13px/1.2 var(--sans); letter-spacing: .02em; color: var(--ink); }
a { color: inherit; }
[hidden] { display: none !important; }
em { font-style: italic; }

/* Buttons */
.btn { font: 500 14px var(--sans); color: var(--ink); background: var(--white); border: 1px solid var(--line-2); border-radius: 8px; padding: 9px 16px; cursor: pointer; transition: border-color .15s, background .15s; }
.btn:hover { border-color: var(--ink); }
.btn:focus-visible, input:focus-visible, select:focus-visible, .tabs a:focus-visible, .link:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn-primary:hover { background: #0A1F4A; border-color: #0A1F4A; }
.btn-danger { background: var(--white); border-color: var(--down); color: var(--down); }
.btn-danger:hover { background: var(--down); color: #fff; }
.btn-sm { padding: 5px 11px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: progress; }
.link { background: none; border: 0; padding: 0; font: 500 13px var(--sans); color: var(--ink-3); cursor: pointer; }
.link:hover { color: var(--ink); }

/* ---------- Sign in ---------- */
.login { min-height: 100vh; display: grid; grid-template-rows: 1fr auto; padding: 0 24px; }
.login-box { align-self: center; justify-self: center; width: min(420px, 100%); display: grid; gap: 10px; animation: enter .8s cubic-bezier(.2, .7, .2, 1) both; }
.login-logo { width: 168px; height: auto; margin-bottom: 36px; }
.login-box h1 { font: 400 56px/1 var(--serif); color: var(--navy); letter-spacing: -.01em; }
.login-box h1 em { color: var(--gold-ink); }
.pulse-line { width: 100%; height: 36px; margin: 6px 0 2px; }
.pulse-line path { fill: none; stroke: var(--gold); stroke-width: 1.5; stroke-linejoin: round; stroke-dasharray: 520; stroke-dashoffset: 520; animation: draw 3.2s cubic-bezier(.6, 0, .2, 1) infinite; }
@keyframes draw { 0% { stroke-dashoffset: 520; } 55% { stroke-dashoffset: 0; } 80% { stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dashoffset: 0; opacity: 0; } }
.login-lead { margin: 0 0 30px; color: var(--ink-2); font-size: 16px; }
.login-box label { font: 500 13px var(--sans); color: var(--ink-2); }
.login-row { display: flex; gap: 8px; }
.login-row input { flex: 1; min-width: 0; font: 500 16px var(--sans); padding: 11px 14px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--white); color: var(--ink); transition: border-color .15s; }
.login-row input:focus { outline: none; border-color: var(--navy); }
.form-error { min-height: 1.4em; margin: 2px 0 0; font-size: 13px; color: var(--down); }
.login-box.shake { animation: shake .4s; }
@keyframes shake { 25%, 75% { transform: translateX(-6px); } 50% { transform: translateX(6px); } }
.login-foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 20px 0; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-3); }
.live { display: inline-flex; align-items: center; gap: 8px; }
.live i, .status-chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--up); animation: beat 2.4s infinite; }
@keyframes beat { 0% { box-shadow: 0 0 0 0 rgba(46, 158, 106, .45); } 70% { box-shadow: 0 0 0 7px rgba(46, 158, 106, 0); } 100% { box-shadow: 0 0 0 0 rgba(46, 158, 106, 0); } }
.maker { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--ink-3); }
.maker img { border-radius: 4px; }
.maker:hover { color: var(--ink); }
@keyframes enter { from { opacity: 0; transform: translateY(10px); } }

/* ---------- App frame ---------- */
.top { position: sticky; top: 0; z-index: 20; background: rgba(251, 250, 247, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-inner { max-width: 1240px; margin: 0 auto; padding: 0 28px; height: 64px; display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand img { width: 108px; height: auto; }
.brand span { font: 400 19px var(--serif); color: var(--navy); padding-left: 14px; border-left: 1px solid var(--line-2); white-space: nowrap; }
.tabs { display: flex; gap: 26px; height: 100%; }
.tabs a { position: relative; display: flex; align-items: center; height: 100%; font: 500 14px var(--sans); color: var(--ink-3); text-decoration: none; white-space: nowrap; }
.tabs a:hover { color: var(--ink); }
.tabs a.on { color: var(--ink); }
.tabs a.on::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--gold); }
.tab-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--down); margin-left: 6px; }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.status-chip { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.status-chip.bad i { background: var(--down); animation: none; }

.page { max-width: 1240px; margin: 0 auto; padding: 48px 28px 40px; }
.view { display: grid; gap: 44px; animation: enter .5s cubic-bezier(.2, .7, .2, 1) both; }
.page-foot { max-width: 1240px; margin: 0 auto; padding: 22px 28px 34px; display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-3); }

/* Intro */
.intro { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.kicker { margin: 0 0 14px; font: 500 13px var(--sans); color: var(--ink-3); font-variant-numeric: tabular-nums; }
.headline { font: 400 clamp(40px, 5.6vw, 72px)/1 var(--serif); color: var(--navy); letter-spacing: -.015em; }
.headline em { color: var(--gold-ink); }
.headline .dot { display: inline-block; width: .3em; height: .3em; border-radius: 50%; background: var(--up); margin: 0 .22em .14em 0; vertical-align: middle; }
.headline .dot.bad { background: var(--down); }
.headline .dot.warn { background: var(--part); }
.sub { margin: 14px 0 0; font-size: 17px; color: var(--ink-2); max-width: 60ch; }
.actions { display: flex; gap: 8px; }

/* Blocks */
.block { border-top: 1px solid var(--ink); padding-top: 14px; min-width: 0; }
.block-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.hint { font-size: 13px; color: var(--ink-3); }
.hint-link { font-size: 13px; color: var(--ink-3); text-decoration: none; }
.hint-link:hover { color: var(--ink); }
.cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.cols.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fine { margin: 18px 0 0; font-size: 12.5px; color: var(--ink-3); line-height: 1.5; }

/* Channels with 24-hour strips */
.channels { display: grid; }
.ch-row { display: grid; grid-template-columns: 150px 150px minmax(0, 1fr) 190px; gap: 24px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.ch-row:first-child { padding-top: 4px; }
.ch-name { font: 400 26px/1 var(--serif); color: var(--navy); }
.ch-state { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2); }
.ch-state i { width: 7px; height: 7px; border-radius: 50%; background: var(--up); }
.ch-state.bad i { background: var(--down); }
.ch-state.warn i { background: var(--part); }
.strip { display: grid; grid-template-columns: repeat(48, minmax(0, 1fr)); gap: 2px; height: 28px; }
.strip i { border-radius: 2px; background: var(--none); transform-origin: bottom; animation: rise-bar .5s cubic-bezier(.2, .7, .2, 1) both; }
.strip i.up { background: var(--up); }
.strip i.part { background: var(--part); }
.strip i.down { background: var(--down); }
.strip i:hover { opacity: .7; }
@keyframes rise-bar { from { transform: scaleY(0); } }
.strip-axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-3); margin-top: 6px; }
.ch-meta { font-size: 13px; color: var(--ink-3); text-align: right; }
.ch-meta .err { display: block; color: var(--down); }

/* Usage meters */
.meter { padding: 4px 0 18px; }
.meter + .meter { border-top: 1px solid var(--line); padding-top: 18px; }
.meter-top { display: flex; justify-content: space-between; align-items: baseline; }
.meter-label { font-size: 14px; color: var(--ink-2); }
.meter-val { font: 400 44px/1 var(--serif); color: var(--navy); font-variant-numeric: tabular-nums; }
.meter-bar { height: 4px; background: var(--none); border-radius: 2px; margin: 12px 0 8px; overflow: hidden; }
.meter-bar span { display: block; height: 100%; width: 0; background: var(--navy); border-radius: 2px; transition: width 1.2s cubic-bezier(.2, .7, .2, 1); }
.meter-bar span.warn { background: var(--part); }
.meter-bar span.bad { background: var(--down); }
.meter-reset { font-size: 12.5px; color: var(--ink-3); }

/* Figures */
.figures { display: grid; grid-template-columns: 1fr 1fr; margin: 0; }
.figures > div { padding: 4px 0 18px; display: flex; flex-direction: column; }
.figures > div:nth-child(n+3) { border-top: 1px solid var(--line); padding-top: 18px; }
.figures dt { font-size: 13px; color: var(--ink-3); order: 2; }
.figures dd { margin: 0 0 4px; font: 400 44px/1 var(--serif); color: var(--navy); font-variant-numeric: tabular-nums; }
.figures dd.gold { color: var(--gold-ink); }
.figures dd.bad { color: var(--down); }
.figures.wide { grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.figures.wide > div { padding: 18px 20px 4px 0; border-top: 0; }
.figures.wide > div + div { border-left: 1px solid var(--line); padding-left: 20px; }
.figures.wide dd { font-size: 56px; }

/* Runs */
.runs { list-style: none; margin: 0; padding: 0; }
.runs li { display: grid; grid-template-columns: 10px minmax(0, 1fr) auto; gap: 12px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.runs li:first-child { padding-top: 2px; }
.runs li:last-child { border-bottom: 0; }
.runs .d { width: 7px; height: 7px; border-radius: 50%; background: var(--up); align-self: center; }
.runs .d.bad { background: var(--down); }
.runs .who { color: var(--ink); }
.runs .what { color: var(--ink-3); }
.runs .why { display: block; font-size: 12.5px; color: var(--down); }
.runs time { font-size: 12.5px; color: var(--ink-3); white-space: nowrap; font-variant-numeric: tabular-nums; }
.runs.wide li { grid-template-columns: 10px 170px minmax(0, 1fr) auto; }
.empty { color: var(--ink-3); font-size: 14px; padding: 8px 0; }

/* Segmented */
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--white); padding: 7px 14px; font: 500 13px var(--sans); color: var(--ink-2); cursor: pointer; }
.seg button + button { border-left: 1px solid var(--line-2); }
.seg button.on { background: var(--navy); color: #fff; }

/* Charts */
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.axis text { font: 400 11px var(--sans); fill: var(--ink-3); }
.grid-line { stroke: var(--line); }
.legend { display: flex; gap: 18px; font-size: 13px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { width: 14px; height: 2px; }
.hbar { display: grid; grid-template-columns: minmax(90px, 160px) 1fr 40px; gap: 14px; align-items: center; padding: 8px 0; font-size: 14px; border-bottom: 1px solid var(--line); }
.hbar:last-child { border-bottom: 0; }
.hbar .bar { height: 6px; background: #41609E; border-radius: 0 3px 3px 0; min-width: 2px; transform-origin: left; animation: grow .8s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes grow { from { transform: scaleX(0); } }
.hbar .n { font: 400 22px var(--serif); text-align: right; color: var(--navy); }
.hbar .who { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--ink-2); }
.tooltip { position: fixed; z-index: 50; pointer-events: none; background: var(--ink); color: #fff; border-radius: 6px; padding: 8px 10px; font-size: 12.5px; min-width: 120px; }
.tooltip .tt-date { color: rgba(255, 255, 255, .6); margin-bottom: 3px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 8px; }
.tooltip .tt-row i { width: 10px; height: 2px; }
.tooltip .tt-row b { font-weight: 600; }

/* Tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font: 500 12px var(--sans); color: var(--ink-3); padding: 0 14px 10px 0; border-bottom: 1px solid var(--line-2); white-space: nowrap; }
.table td { padding: 13px 14px 13px 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table .actions { display: flex; gap: 6px; justify-content: flex-end; white-space: nowrap; }
.role { font-size: 12.5px; color: var(--ink-3); }
.state { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.state i { width: 7px; height: 7px; border-radius: 50%; background: var(--up); }
.state.bad i { background: var(--down); }
.state.off i { background: var(--ink-3); }

/* WhatsApp */
.pair-code { font: 400 64px/1 var(--serif); letter-spacing: .08em; color: var(--navy); padding: 10px 0 18px; }
.qr { width: 220px; padding: 10px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.qr svg { width: 100%; height: auto; display: block; }
.steps { margin: 0 0 18px; padding-left: 18px; color: var(--ink-2); display: grid; gap: 4px; }
.pair-grid { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: start; }
.block.danger { border-top-color: var(--down); }
.block.danger p { color: var(--ink-2); max-width: 70ch; margin: 0 0 16px; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; }
.inline-form input { font: 500 14px var(--sans); padding: 9px 12px; border: 1px solid var(--line-2); border-radius: 8px; background: #fff; }

/* Toast & dialog */
.toast { visibility: hidden; position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 14px; transition: opacity .2s, transform .2s; z-index: 60; }
.toast.show { visibility: visible; opacity: 1; transform: translate(-50%, 0); }
.confirm { border: 1px solid var(--line-2); border-radius: 12px; padding: 26px; width: min(420px, calc(100% - 32px)); color: var(--ink); background: var(--white); }
.confirm::backdrop { background: rgba(16, 24, 40, .3); }
.confirm h2 { font: 400 28px/1.15 var(--serif); color: var(--navy); }
.confirm p { color: var(--ink-2); }
.confirm-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

@media (max-width: 1000px) {
  .cols { grid-template-columns: 1fr 1fr; }
  .cols > :last-child { grid-column: 1 / -1; }
  .ch-row { grid-template-columns: 130px minmax(0, 1fr); gap: 10px 20px; }
  .ch-row .strip-wrap { grid-column: 1 / -1; }
  .ch-meta { text-align: left; grid-column: 1 / -1; }
  .figures.wide { grid-template-columns: 1fr 1fr; }
  .figures.wide > div:nth-child(3) { border-left: 0; padding-left: 0; }
}
@media (max-width: 720px) {
  .top-inner { height: auto; flex-wrap: wrap; gap: 10px 20px; padding: 12px 18px 0; }
  .brand span { display: none; }
  .tabs { order: 3; width: 100%; height: 42px; overflow-x: auto; }
  .status-chip span { display: none; }
  .page { padding: 32px 18px; }
  .cols, .cols.two { grid-template-columns: 1fr; }
  .cols > :last-child { grid-column: auto; }
  .runs.wide li { grid-template-columns: 10px minmax(0, 1fr) auto; }
  .runs.wide li .when { display: none; }
  .pair-grid { grid-template-columns: 1fr; }
  .login-box h1 { font-size: 46px; }
  .page-foot { padding: 20px 18px 28px; }
  .figures.wide dd { font-size: 44px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } .pulse-line path { stroke-dashoffset: 0; } }