:root {
  --bg: #f7f8fc;
  --bg-card: #ffffff;
  --bg-code: #0f1222;
  --bg-hover: #eef0f7;
  --fg: #0f1222;
  --fg-dim: #5a6079;
  --fg-dimmer: #8b91ab;
  --accent: #6457ff;
  --accent-2: #a13bff;
  --ok: #0fa968;
  --warn: #c97700;
  --bad: #dc2a3f;
  --info: #0ea5b7;
  --border: #e2e6ef;
  --border-strong: #c9cfdc;
  --shadow-sm: 0 1px 2px rgba(15, 18, 34, 0.06);
  --shadow-md: 0 4px 12px -2px rgba(15, 18, 34, 0.08), 0 2px 4px -2px rgba(15, 18, 34, 0.04);
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { font-size: 17px; }
html, body {
  margin: 0; padding: 0;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(100, 87, 255, 0.08), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(14, 165, 183, 0.06), transparent 55%),
    var(--bg);
  color: var(--fg); font-family: var(--sans); line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; font-weight: 500; }
a:hover { color: var(--accent-2); text-decoration: underline; }
code, pre { font-family: var(--mono); }
code { background: #f1f3f9; color: #4a3fd9; padding: 2px 6px; border-radius: 6px; font-size: 0.9em; border: 1px solid var(--border); }
pre { background: var(--bg-code); color: #e6e8f2; padding: 16px; border-radius: var(--radius); border: 1px solid #1d2138; overflow-x: auto; font-size: 0.85em; line-height: 1.55; }
pre code { background: transparent; color: inherit; padding: 0; border: 0; }
h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.85rem; margin: 0 0 .5rem; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: 1.25rem; margin: 1.6rem 0 .75rem; border-top: 1px solid var(--border); padding-top: 1.4rem; }
h3 { font-size: 1rem; margin: 1.1rem 0 .5rem; color: var(--fg); }
.muted { color: var(--fg-dim); }

/* Header / nav */
header { position: sticky; top: 0; background: rgba(255,255,255,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); z-index: 10; }
.nav { max-width: 1100px; margin: 0 auto; padding: 14px 24px; display: flex; gap: 14px; align-items: center; }
.nav .brand { font-weight: 600; letter-spacing: -0.01em; }
.nav .brand a { color: var(--fg); }
.nav .brand a:hover { text-decoration: none; }
.nav .brand span { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav .links { margin-left: auto; display: flex; gap: 6px; font-size: .9rem; flex-wrap: wrap; justify-content: flex-end; }
.nav .links a { color: var(--fg-dim); padding: 6px 12px; border-radius: 8px; font-weight: 500; }
.nav .links a:hover { color: var(--fg); background: var(--bg-hover); text-decoration: none; }
.nav .links a.active { color: var(--accent); background: rgba(100, 87, 255, 0.1); border: 1px solid rgba(100, 87, 255, 0.3); }

main { max-width: 1100px; margin: 0 auto; padding: 32px 24px 96px; }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); }
.card .tag { color: var(--accent); font-size: .75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 800px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { border-bottom: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
th { color: var(--fg-dim); font-weight: 500; background: var(--bg-card); position: sticky; top: 53px; }
tbody tr:hover { background: var(--bg-hover); }
td code { white-space: nowrap; font-size: .82em; }

/* Buttons / inputs */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; font-size: .9rem; font-weight: 500; border: 1px solid var(--border-strong); background: #ffffff; color: var(--fg); cursor: pointer; transition: all .12s ease; box-shadow: var(--shadow-sm); }
.btn:hover { border-color: var(--accent); text-decoration: none; background: var(--bg-hover); }
.btn.primary { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%); border-color: transparent; color: #ffffff; box-shadow: 0 8px 24px -8px rgba(100, 87, 255, 0.5); }
.btn.primary:hover { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%); filter: brightness(1.08); box-shadow: 0 10px 28px -8px rgba(100, 87, 255, 0.6); }
.btn.danger { color: var(--bad); border-color: rgba(220, 42, 63, 0.35); background: #ffffff; }
.btn.danger:hover { border-color: var(--bad); background: rgba(220, 42, 63, 0.06); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
input, select, textarea { background: #ffffff; border: 1px solid var(--border-strong); color: var(--fg); border-radius: 8px; padding: 9px 12px; font-size: .92rem; font-family: var(--sans); width: 100%; transition: border-color .15s, box-shadow .15s; }
input::placeholder, textarea::placeholder { color: var(--fg-dimmer); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(100, 87, 255, 0.12); }
textarea { font-family: var(--mono); font-size: .85rem; min-height: 80px; }
label { display: block; font-size: .82rem; color: var(--fg-dim); font-weight: 500; margin: 12px 0 4px; }
.row { display: flex; gap: 12px; }
.row > * { flex: 1 1 0; }

/* Status badges */
.badge { display: inline-block; font-size: .72rem; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border); background: #ffffff; color: var(--fg-dim); font-weight: 600; letter-spacing: .02em; }
.badge.created       { color: var(--fg-dim); }
.badge.negotiated    { color: var(--info);   border-color: rgba(14,165,183,.4);  background: rgba(14,165,183,.08); }
.badge.funded        { color: var(--info);   border-color: rgba(14,165,183,.4);  background: rgba(14,165,183,.08); }
.badge.in_progress   { color: var(--accent); border-color: rgba(100,87,255,.4);  background: rgba(100,87,255,.08); }
.badge.submitted     { color: var(--warn);   border-color: rgba(201,119,0,.4);   background: rgba(201,119,0,.08); }
.badge.verified      { color: var(--ok);     border-color: rgba(15,169,104,.4);  background: rgba(15,169,104,.08); }
.badge.settled       { color: var(--ok);     border-color: rgba(15,169,104,.5);  background: rgba(15,169,104,.1); }
.badge.refunded      { color: var(--bad);    border-color: rgba(220,42,63,.4);   background: rgba(220,42,63,.08); }
.badge.role-doer       { color: var(--accent);   background: rgba(100,87,255,.08); border-color: rgba(100,87,255,.3); }
.badge.role-requester  { color: var(--accent-2); background: rgba(161,59,255,.08); border-color: rgba(161,59,255,.3); }
.badge.role-both       { color: var(--info);     background: rgba(14,165,183,.08); border-color: rgba(14,165,183,.3); }
.badge.verdict-accept       { color: var(--ok);  border-color: rgba(15,169,104,.5);  background: rgba(15,169,104,.08); }
.badge.verdict-reject       { color: var(--bad); border-color: rgba(220,42,63,.5);   background: rgba(220,42,63,.08); }
.badge.verdict-needs_review { color: var(--warn);border-color: rgba(201,119,0,.5);   background: rgba(201,119,0,.08); }

/* Stat blocks (4-up) */
.stat-block { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow-sm); }
.stat-block .label { font-size: .75rem; color: var(--fg-dim); text-transform: uppercase; letter-spacing: .05em; }
.stat-block .value { font-size: 1.65rem; font-weight: 600; margin-top: 4px; }
.stat-block .value small { font-weight: 400; font-size: .9rem; color: var(--fg-dim); }
.stat-block.ok .value { color: var(--ok); }
.stat-block.warn .value { color: var(--warn); }
.stat-block.bad .value { color: var(--bad); }
.stat-block.info .value { color: var(--accent); }

/* Empty state */
.empty { color: var(--fg-dim); text-align: center; padding: 36px; font-size: .9rem; }

/* Toolbar above tables */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .grow { flex: 1 1 auto; }

/* Live dot */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 999px; background: var(--ok); margin-right: 6px; box-shadow: 0 0 0 0 rgba(15,169,104,.7); animation: pulse 1.6s infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(15,169,104,.5); }
  70%  { box-shadow: 0 0 0 6px rgba(15,169,104,0); }
  100% { box-shadow: 0 0 0 0 rgba(15,169,104,0); }
}

/* Scrolling JSON viewer */
.json-view { max-height: 420px; overflow: auto; }

footer { color: var(--fg-dimmer); font-size: .85rem; border-top: 1px solid var(--border); padding: 24px; text-align: center; margin-top: 48px; }
footer a { color: var(--fg-dim); }