/* ============================================================ design tokens
   Chart colours follow the validated categorical/sequential palette:
   3 categorical slots (all-pairs CVD-safe) and a one-hue blue ramp.        */
:root{
  --bg:#f4f6fb; --panel:#fff; --panel-2:#fafbfe; --ink:#0b0b0b; --ink-2:#52514e; --ink-3:#7b8496;
  --line:#e3e8f0; --line-2:#eef1f7; --grid:#e9edf4;
  --brand:#2a78d6; --brand-ink:#fff; --brand-soft:#eaefff;
  --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a;
  --seq1:#cde2fb; --seq2:#9ec5f4; --seq3:#6da7ec; --seq4:#3987e5;
  --seq5:#256abf; --seq6:#184f95; --seq7:#0d366b;
  --gold:#a06a00; --gold-soft:#fdf3dc; --gold-line:#f0d79a;
  --green:#0f6b4f; --green-soft:#e4f4ee;
  --red:#b3261e; --red-soft:#fdecea;
  --ai:#6d3fc4; --ai-soft:#f2ecfd; --ai-line:#ddcdf7;
  --usr:#0b6b8a; --usr-soft:#e2f4fa; --usr-line:#b6e2ef;
  --demo:#0a6b3d; --demo-soft:#e3f6ec; --demo-line:#b4e4c9;
  --chip:#eef1f7; --chip-ink:#3d4759;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -12px rgba(16,24,40,.18);
  --r:14px;
}
@media (prefers-color-scheme:dark){:root:where(:not([data-theme="light"])){
  --bg:#0d1117; --panel:#161b24; --panel-2:#1b212c; --ink:#fff; --ink-2:#c3c2b7; --ink-3:#7d8798;
  --line:#28303d; --line-2:#212936; --grid:#232b38;
  --brand:#3987e5; --brand-ink:#0d1117; --brand-soft:#1c2740;
  --s1:#3987e5; --s2:#d95926; --s3:#199e70;
  --seq1:#0d366b; --seq2:#104281; --seq3:#184f95; --seq4:#256abf;
  --seq5:#2a78d6; --seq6:#3987e5; --seq7:#5598e7;
  --gold:#e5b75f; --gold-soft:#2c2312; --gold-line:#4d3d18;
  --green:#5fd3a8; --green-soft:#10281f;
  --red:#ff9b93; --red-soft:#331a18;
  --ai:#c4a6ff; --ai-soft:#241a38; --ai-line:#3d2d5c;
  --usr:#6fd4f0; --usr-soft:#0d2831; --usr-line:#1d4756;
  --demo:#5fd9a0; --demo-soft:#0e2a1d; --demo-line:#1f4a34;
  --chip:#232b38; --chip-ink:#b9c3d4;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -14px rgba(0,0,0,.7);
}}
:root[data-theme="dark"]{
  --bg:#0d1117; --panel:#161b24; --panel-2:#1b212c; --ink:#fff; --ink-2:#c3c2b7; --ink-3:#7d8798;
  --line:#28303d; --line-2:#212936; --grid:#232b38;
  --brand:#3987e5; --brand-ink:#0d1117; --brand-soft:#1c2740;
  --s1:#3987e5; --s2:#d95926; --s3:#199e70;
  --seq1:#0d366b; --seq2:#104281; --seq3:#184f95; --seq4:#256abf;
  --seq5:#2a78d6; --seq6:#3987e5; --seq7:#5598e7;
  --gold:#e5b75f; --gold-soft:#2c2312; --gold-line:#4d3d18;
  --green:#5fd3a8; --green-soft:#10281f;
  --red:#ff9b93; --red-soft:#331a18;
  --ai:#c4a6ff; --ai-soft:#241a38; --ai-line:#3d2d5c;
  --usr:#6fd4f0; --usr-soft:#0d2831; --usr-line:#1d4756;
  --demo:#5fd9a0; --demo-soft:#0e2a1d; --demo-line:#1f4a34;
  --chip:#232b38; --chip-ink:#b9c3d4;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -14px rgba(0,0,0,.7);
}
*{box-sizing:border-box}
/* .btn sets display:inline-flex, which would otherwise beat the hidden attribute */
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font:14px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--brand)}
.wrap{max-width:1480px;margin:0 auto;padding:0 20px}
.grow{flex:1}
.muted{color:var(--ink-3)}

/* ------------------------------------------------------------------ topbar */
.topbar{background:linear-gradient(135deg,#16224f,#2a78d6 58%,#5b3fbf);color:#fff;
  position:sticky;top:0;z-index:40;box-shadow:0 2px 14px -4px rgba(0,0,0,.35)}
.topbar-in{max-width:1480px;margin:0 auto;padding:11px 20px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none;color:#fff}
.brand-mark{font-weight:800;letter-spacing:.04em;font-size:15px}
.brand-txt{font-size:12.5px;opacity:.8}
.tabs-nav{display:flex;gap:2px;margin-left:8px}
.tabs-nav a{color:rgba(255,255,255,.76);text-decoration:none;font-size:13px;font-weight:650;
  padding:6px 12px;border-radius:8px}
.tabs-nav a:hover{background:rgba(255,255,255,.13);color:#fff}
.tabs-nav a.on{background:rgba(255,255,255,.19);color:#fff}
.subbar{background:var(--panel);border-bottom:1px solid var(--line)}
.subbar-in{max-width:1480px;margin:0 auto;padding:10px 20px}

/* ------------------------------------------------------------------ atoms */
.btn{border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:8px 13px;
  border-radius:9px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;
  display:inline-flex;gap:6px;align-items:center;text-decoration:none;white-space:nowrap}
.btn:hover{border-color:var(--brand)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.3);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.24)}
.btn.pri{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn.dan{color:var(--red);border-color:var(--red-soft)}
.btn.dan:hover{background:var(--red-soft);border-color:var(--red)}
.btn.sm{padding:5px 9px;font-size:12px;border-radius:7px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
input[type=search],input[type=text],input[type=password],input:not([type]),select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);
  border-radius:9px;background:var(--panel-2);color:var(--ink);font:inherit;font-size:13px}
textarea{resize:vertical;min-height:70px;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:-1px;border-color:var(--brand)}
label.f{display:block;font-size:10.5px;font-weight:700;color:var(--ink-3);text-transform:uppercase;
  letter-spacing:.05em;margin-bottom:4px}
.mk{font-size:9.5px;font-weight:800;letter-spacing:.05em;border-radius:4px;padding:1px 5px;white-space:nowrap}
.mk.ai{background:var(--ai-soft);color:var(--ai);border:1px solid var(--ai-line)}
.mk.usr{background:var(--usr-soft);color:var(--usr);border:1px solid var(--usr-line)}
.mk.ed{background:var(--gold-soft);color:var(--gold);border:1px solid var(--gold-line)}
.mk.demo{background:var(--demo-soft);color:var(--demo);border:1px solid var(--demo-line)}
.badge{display:inline-block;font-size:10.5px;font-weight:750;padding:2.5px 7px;border-radius:5px;
  text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
.b-spon{background:var(--gold-soft);color:var(--gold);border:1px solid var(--gold-line)}
.b-exh{background:var(--green-soft);color:var(--green)}
.chip{background:var(--chip);color:var(--chip-ink);font-size:11px;font-weight:600;padding:3px 8px;border-radius:6px}
.chip.ai{background:var(--ai-soft);color:var(--ai);border:1px solid var(--ai-line)}
.chip.usr{background:var(--usr-soft);color:var(--usr);border:1px solid var(--usr-line)}
.chip.more{background:transparent;color:var(--ink-3)}
.chip.none{background:transparent;color:var(--ink-3);font-style:italic;font-weight:500;padding-left:0}
.chip button{border:0;background:transparent;color:inherit;cursor:pointer;padding:0 0 0 4px;font-size:13px;line-height:1}
.chips{display:flex;gap:5px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:5px;background:var(--brand-soft);color:var(--brand);
  border-radius:999px;padding:3px 5px 3px 11px;font-size:12px;font-weight:650}
.pill button{border:0;background:transparent;color:inherit;cursor:pointer;font-size:14px;line-height:1;padding:0 3px}
.pill .k{opacity:.65;font-weight:600}

/* ------------------------------------------------------------------ states */
.state{padding:46px 22px;text-align:center;color:var(--ink-2)}
.state h2{margin:0 0 8px;font-size:17px;color:var(--ink)}
.state pre{display:inline-block;text-align:left;background:var(--chip);color:var(--ink);
  padding:12px 16px;border-radius:9px;font-size:12.5px;font-family:ui-monospace,Menlo,monospace}
.spin{width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--brand);
  border-radius:50%;animation:sp .7s linear infinite;margin:0 auto 14px}
@keyframes sp{to{transform:rotate(360deg)}}
.ft{margin:26px auto 40px;padding-top:15px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-3);display:flex;gap:12px;flex-wrap:wrap;align-items:center}
mark{background:rgba(255,214,0,.42);color:inherit;border-radius:3px;padding:0 1px}
:root[data-theme="dark"] mark{background:rgba(255,214,0,.28)}
@media (prefers-color-scheme:dark){:root:where(:not([data-theme="light"])) mark{background:rgba(255,214,0,.28)}}

/* ------------------------------------------------------------ tip & toast */
#tip{position:fixed;pointer-events:none;background:#0b0b0b;color:#fff;padding:7px 11px;border-radius:8px;
  font-size:12px;font-weight:600;opacity:0;transition:opacity .12s;z-index:99;max-width:300px;line-height:1.45;
  box-shadow:0 8px 24px -8px rgba(0,0,0,.55)}
#tip.on{opacity:1}
#tip small{display:block;font-weight:500;opacity:.82;margin-top:2px}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:#111827;
  color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;font-weight:600;opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;z-index:100;box-shadow:0 10px 30px -8px rgba(0,0,0,.5)}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:var(--red);color:#fff}

/* ------------------------------------------------------------------ table */
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line-2);vertical-align:top}
thead th{background:var(--panel-2);font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--ink-3);font-weight:700;position:sticky;top:0;z-index:1;white-space:nowrap}
td.num{text-align:right;font-variant-numeric:tabular-nums}
.tblwrap{overflow:auto;border-radius:var(--r);border:1px solid var(--line);background:var(--panel)}

/* signed-in user in the top bar */
.who{color:#fff;font-size:13px;font-weight:600;display:inline-flex;gap:6px;align-items:center;
  white-space:nowrap}
.mk.role{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.35)}
.logout{margin:0}