:root {
  --bg: #0a0d14;
  --panel: #121724;
  --panel-2: #1a2030;
  --panel-3: #222a3d;
  --border: #2a3347;
  --text: #e7eaf2;
  --muted: #8a92a6;
  --accent: #5b8cff;
  --accent-2: #7aa2ff;
  --success: #36c08d;
  --warn: #f0b84a;
  --danger: #ef5b6b;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, #16203a 0%, var(--bg) 55%);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; backdrop-filter: blur(8px);
  background: rgba(10, 13, 20, 0.75); z-index: 10;
}
.brand { display: flex; flex-direction: column; gap: 2px; }
.brand-mark {
  font-weight: 800; letter-spacing: 0.14em; font-size: 18px;
  background: linear-gradient(90deg, #fff, #b9c8ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-sub { color: var(--muted); font-size: 11px; letter-spacing: 0.04em; }
.session { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.session .who { color: var(--muted); }
.session .who b { color: var(--text); }

.app { max-width: 1140px; margin: 0 auto; padding: 24px; }
.footer { text-align: center; color: var(--muted); font-size: 11px; padding: 24px; }

/* Layout helpers */
.grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: 320px 1fr; align-items: start; }
@media (max-width: 820px) { .cols-2 { grid-template-columns: 1fr; } }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.spread { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 10px; }

/* Cards */
.card {
  background: linear-gradient(180deg, var(--panel) 0%, #0f1420 100%);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 18px;
}
.card h2 { margin: 0 0 4px; font-size: 15px; }
.card h3 { margin: 0 0 10px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.muted { color: var(--muted); }
.hr { height: 1px; background: var(--border); margin: 14px 0; border: 0; }

/* Tabs */
.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tab {
  padding: 8px 14px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--panel-2); color: var(--muted); cursor: pointer; font-size: 13px;
}
.tab.active { background: var(--accent); border-color: var(--accent); color: #07101f; font-weight: 600; }

/* Forms */
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 9px; color: var(--text);
  font-family: var(--sans); font-size: 13px; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 64px; }
.field { margin-bottom: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Buttons */
button {
  padding: 9px 14px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--panel-3); color: var(--text); cursor: pointer; font-size: 13px;
  font-family: var(--sans); transition: transform 0.05s ease, background 0.15s ease;
}
button:hover { background: #2a3450; }
button:active { transform: translateY(1px); }
button.primary { background: var(--accent); border-color: var(--accent); color: #07101f; font-weight: 600; }
button.primary:hover { background: var(--accent-2); }
button.success { background: var(--success); border-color: var(--success); color: #04140d; font-weight: 600; }
button.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
button.ghost { background: transparent; }
button.small { padding: 6px 10px; font-size: 12px; }
button:disabled { opacity: 0.4; cursor: not-allowed; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--panel-2); }

/* Status pills */
.pill {
  display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11px;
  font-weight: 600; letter-spacing: 0.03em; border: 1px solid transparent; white-space: nowrap;
}
.pill.gray { background: #232a3a; color: #aab3c6; }
.pill.blue { background: rgba(91,140,255,0.15); color: var(--accent-2); border-color: rgba(91,140,255,0.3); }
.pill.amber { background: rgba(240,184,74,0.13); color: var(--warn); border-color: rgba(240,184,74,0.3); }
.pill.green { background: rgba(54,192,141,0.14); color: var(--success); border-color: rgba(54,192,141,0.3); }
.pill.red { background: rgba(239,91,107,0.14); color: var(--danger); border-color: rgba(239,91,107,0.3); }

/* Key/value */
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; font-size: 13px; }
.kv .k { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12px; word-break: break-all; }

/* Timeline / events */
.events { list-style: none; padding: 0; margin: 0; max-height: 280px; overflow: auto; }
.events li { padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 12px; }
.events .t { color: var(--muted); font-family: var(--mono); font-size: 11px; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--panel-3); border: 1px solid var(--border); color: var(--text);
  padding: 12px 18px; border-radius: 10px; font-size: 13px; opacity: 0;
  transition: opacity 0.2s ease; pointer-events: none; max-width: 90%; z-index: 50;
}
.toast.show { opacity: 1; }
.toast.err { border-color: var(--danger); }
.toast.ok { border-color: var(--success); }

.demo-logins { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.badge-role { font-size: 10px; padding: 2px 7px; border-radius: 6px; background: var(--panel-3); color: var(--muted); }
.fee-line { display: flex; justify-content: space-between; padding: 4px 0; font-size: 13px; }
.fee-line.total { border-top: 1px solid var(--border); margin-top: 6px; padding-top: 8px; font-weight: 600; }
.section-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }