/* Layout idea: a monitor-style sticky header with a live ECG trace that never leaves; views swap underneath it. Single dark "vital-signs" world. */
:root{
  --bg:#0a0f1e; --panel:#111a30; --panel-2:#16213d; --line:#243253;
  --text:#e9edf7; --muted:#8c98b6;
  --pulse:#ff3d5a; --iso:#4cc9f0; --defib:#ff8a3d;
  --good:#38d996; --warn:#ffc857; --bad:#ff5c7a;
  --display:"Unbounded", "Arial Black", system-ui, sans-serif;
  --body:"IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:14px;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--iso)}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ===== Header / monitor ===== */
header.top{position:sticky;top:0;z-index:20;background:linear-gradient(180deg,#0c1328 0%,#0a0f1e 100%);border-bottom:1px solid var(--line)}
.top-row{display:flex;align-items:center;gap:16px;padding:12px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.logo-slot{width:40px;height:40px;border-radius:10px;border:1px dashed var(--line);display:grid;place-items:center;overflow:hidden;cursor:pointer;background:var(--panel);color:var(--muted);font-size:10px;text-align:center;line-height:1.1}
.logo-slot img{width:100%;height:100%;object-fit:contain;background:#fff}
.logo-slot.has{border-style:solid}
.lockup{display:inline-flex;flex-direction:column;align-items:center;gap:4px}
.lockup .mark{position:relative;display:block;line-height:0}
.lockup .mark svg{display:block}
.lockup-word{font-family:"Space Grotesk",var(--body);font-weight:700;font-size:15px;letter-spacing:-.03em;line-height:1;color:#fff;display:flex;gap:.28em}
.lockup-word b{color:var(--pulse);font-weight:700;letter-spacing:-.01em}
.lockup-lg{gap:16px;margin-bottom:8px}
.lockup-lg .lockup-word{font-size:44px}
.lockup .beat,.lockup .dot{position:absolute;left:85.4%;top:54.2%;width:9.4%;height:9.4%;transform:translate(-50%,-50%);border-radius:50%;background:#0a0f1e}
.beat{box-shadow:0 0 0 0 rgba(255,61,90,.6)}
.beat.hit{animation:hit .5s ease-out}
@keyframes hit{0%{transform:translate(-50%,-50%) scale(1.6);background:var(--pulse);box-shadow:0 0 0 0 rgba(255,61,90,.7)}100%{transform:translate(-50%,-50%) scale(1);box-shadow:0 0 0 14px rgba(255,61,90,0)}}
.brand .sub{color:var(--muted);font-size:12px;border-left:1px solid var(--line);padding-left:12px}
.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg button{border:0;background:none;padding:6px 14px;border-radius:999px;cursor:pointer;color:var(--muted);font-weight:500}
.seg button[aria-pressed="true"]{background:var(--panel-2);color:var(--text);box-shadow:inset 0 0 0 1px var(--line)}
.seg button[data-div="ISO"][aria-pressed="true"]{color:var(--iso)}
.seg button[data-div="Defib"][aria-pressed="true"]{color:var(--defib)}
.monitor{position:relative;height:64px;border-top:1px solid var(--line);overflow:hidden;background:
  repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 24px),
  repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 16px)}
#ecg{position:absolute;inset:0;width:100%;height:100%;display:block}
.vitals{position:absolute;right:16px;top:50%;transform:translateY(-50%);display:flex;gap:18px;pointer-events:none}
.vital{text-align:right;background:rgba(10,15,30,.72);padding:4px 10px;border-radius:8px;border:1px solid rgba(36,50,83,.8)}
.vital b{display:block;font-family:var(--mono);font-size:16px;font-weight:500}
.vital span{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.vital.iso b{color:var(--iso)} .vital.defib b{color:var(--defib)} .vital.pulse b{color:var(--pulse)}
nav.tabs{display:flex;gap:4px;padding:0 20px;overflow-x:auto}
nav.tabs a{padding:10px 14px;color:var(--muted);text-decoration:none;border-bottom:2px solid transparent;font-weight:500;white-space:nowrap}
nav.tabs a[aria-current="page"]{color:var(--text);border-bottom-color:var(--pulse)}
nav.tabs a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--iso);outline-offset:2px}

/* ===== Main ===== */
main{padding:20px;max-width:1400px;margin:0 auto}
.view[hidden]{display:none}
h2{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:.02em;margin:0;text-wrap:balance}
h3{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px;font-weight:600}
.bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.bar .spacer{flex:1}
.btn{border:1px solid var(--line);background:var(--panel);padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:500}
.btn:hover{background:var(--panel-2)}
.btn.primary{background:var(--pulse);border-color:var(--pulse);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:none}
.btn.danger{color:var(--bad);border-color:rgba(255,92,122,.4)}
.btn.small{padding:4px 10px;font-size:12px}
input,select,textarea{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%}
select{cursor:pointer}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
label.f > span{font-weight:500}

.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:12px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;position:relative;overflow:hidden}
.tile::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent,var(--line))}
.tile .k{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tile .v{font-family:var(--mono);font-size:24px;margin-top:4px;font-variant-numeric:tabular-nums}
.tile .s{font-size:12px;color:var(--muted);margin-top:2px}
.tile.iso{--accent:var(--iso)} .tile.defib{--accent:var(--defib)}
.section-title{display:flex;align-items:center;gap:10px;margin:18px 0 10px}
.section-title .dot{width:8px;height:8px;border-radius:50%}
.grid2{display:grid;grid-template-columns:1.4fr 1fr;gap:12px}
@media (max-width:900px){.grid2{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}

.table-wrap{overflow-x:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;min-width:720px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;background:var(--panel-2);position:sticky;top:0}
td.r,th.r{text-align:right}
tbody tr{cursor:pointer}
tbody tr:hover{background:rgba(255,255,255,.03)}
tbody tr:last-child td{border-bottom:0}
tfoot td{font-weight:600;background:var(--panel-2)}
.muted{color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid transparent}
.pill.iso{color:var(--iso);background:rgba(76,201,240,.12)}
.pill.defib{color:var(--defib);background:rgba(255,138,61,.12)}
.pill.good{color:var(--good);background:rgba(56,217,150,.12)}
.pill.warn{color:var(--warn);background:rgba(255,200,87,.12)}
.pill.bad{color:var(--bad);background:rgba(255,92,122,.12)}
.pill.neutral{color:var(--muted);background:rgba(140,152,182,.12)}
.chip{display:inline-block;padding:1px 8px;border-radius:6px;font-size:11px;background:var(--panel-2);border:1px solid var(--line);color:var(--muted);margin-left:6px}
.empty{padding:40px;text-align:center;color:var(--muted)}
.mix{display:flex;height:12px;border-radius:999px;overflow:hidden;background:var(--panel-2);margin:8px 0 12px}
.mix div{height:100%}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
svg text{fill:var(--muted);font-family:var(--mono);font-size:10px}

/* ===== Modal ===== */
.modal{position:fixed;inset:0;background:rgba(4,7,16,.7);z-index:50;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto}
.modal[hidden]{display:none}
.dialog{background:var(--panel);border:1px solid var(--line);border-radius:14px;width:min(860px,100%);box-shadow:0 30px 80px rgba(0,0,0,.5)}
.dialog header{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
.dialog header h2{margin-right:auto}
.dialog .body{padding:20px;display:grid;gap:16px}
.dialog footer{display:flex;gap:10px;padding:14px 20px;border-top:1px solid var(--line);align-items:center}
.dialog footer .spacer{flex:1}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.fgrid .w2{grid-column:span 2} .fgrid .w3{grid-column:1/-1}
@media (max-width:640px){.fgrid{grid-template-columns:1fr}.fgrid .w2{grid-column:auto}}
fieldset{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:0}
legend{padding:0 6px;font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.row{display:flex;gap:8px;align-items:center}
.phones .row{margin-bottom:8px}
.phones select{width:140px;flex:none}
.links label{display:flex;gap:8px;align-items:center;padding:6px 0;color:var(--text);font-size:13px}
.links input{width:auto}
.calc{font-family:var(--mono);font-size:18px;color:var(--iso)}
.err{color:var(--bad);font-size:13px}
.banner{background:rgba(255,200,87,.1);border:1px solid rgba(255,200,87,.35);color:var(--warn);padding:10px 14px;border-radius:10px;margin-bottom:16px}
.banner[hidden]{display:none}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--panel-2);border:1px solid var(--line);padding:10px 16px;border-radius:10px;z-index:60;opacity:0;transition:opacity .2s;pointer-events:none}
#toast.show{opacity:1}
.paybreak{font-size:12px;color:var(--muted);white-space:normal}
.pay-row td{cursor:default}
.lineage{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
@media (prefers-reduced-motion:reduce){.beat.hit{animation:none}}
@media (max-width:640px){.vitals .vital:nth-child(n+2){display:none}.brand .sub{display:none}}

/* ===== Auth / account ===== */
.auth-wrap{min-height:calc(100vh - 140px);display:grid;place-items:center;align-content:center;gap:24px;padding:40px 16px}
.auth-card{width:min(400px,100%);background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;gap:14px}
.auth-card h2{font-size:20px}
.auth-card .muted{font-size:13px}
.linkbtn{background:none;border:0;color:var(--iso);cursor:pointer;padding:0;text-align:left}
.acct{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.acct b{color:var(--text);font-weight:500}
.lock{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--good)}
.lock.sub{color:var(--warn)}
fieldset:disabled{opacity:.85}
[hidden]{display:none !important}