:root {
  --bg: #f5f5f5; --surface: #fff; --fg: #171717; --muted: #5f5f66; --border: #e8e8e8;
  --action: #6e56cf; --action-hover: #5a1cc4; --ok: #1a7a4c; --ok-bg: #e4f5ec; --warn: #8a3b06; --warn-bg: #fdeede;
  --info: #0f6676; --info-bg: #e0f1f5; --danger: #b4161c;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 14px/20px Inter, -apple-system, "Segoe UI", sans-serif; }
h1 { font-size: 24px; line-height: 32px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
p { margin: 4px 0 0; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; font-size: 13px; }
.top { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand, .session { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.brand .muted, .session .muted { font-weight: 400; }
.mark { width: 20px; height: 20px; border-radius: 5px; background: linear-gradient(150deg, #b9a8ff, #9273ff 45%, #6d3cf5); }
main { max-width: 1080px; margin: 0 auto; padding: 24px 16px 48px; display: flex; flex-direction: column; gap: 16px; }
#signed-in { display: flex; flex-direction: column; gap: 16px; }
#signed-in[hidden], .card[hidden] { display: none; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
.card.center { padding: 48px 24px; text-align: center; display: flex; flex-direction: column; gap: 12px; align-items: center; }
.form { padding: 16px; }
.fields { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 8px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 500; flex: 1 1 240px; }
input { font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 4px; min-height: 36px; }
input:focus-visible, .btn:focus-visible { outline: 2px solid var(--action); outline-offset: 1px; }
.btn { font: inherit; font-weight: 500; padding: 8px 14px; min-height: 36px; border-radius: 4px; border: 1px solid var(--border); background: var(--surface); color: var(--fg); cursor: pointer; }
.btn.primary { background: var(--action); border-color: var(--action); color: #fff; }
.btn.primary:hover { background: var(--action-hover); }
.btn:disabled { opacity: .6; cursor: default; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; font-weight: 500; color: var(--muted); padding: 10px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 12px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
.badge { display: inline-block; font-size: 12px; font-weight: 500; padding: 2px 8px; border-radius: 999px; }
.badge.live { background: var(--ok-bg); color: var(--ok); }
.badge.registered { background: var(--info-bg); color: var(--info); }
.badge.pending_registration { background: var(--warn-bg); color: var(--warn); }
.error { color: var(--danger); }
.pad { padding: 16px; margin: 0; }