:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #dcdfe4;
  --text: #1c1f24;
  --muted: #646b75;
  --accent: #5b5bd6;
  --accent-text: #ffffff;
  --admin: #5b5bd6;
  --accepted: #2f9e44;
  --denied: #e03131;
  --pending: #9aa1ab;
  --requested: #f0a400;
  --danger: #e03131;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b;
    --panel: #1e2126;
    --border: #2e333a;
    --text: #e6e8eb;
    --muted: #9198a1;
    --pending: #6b727c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
.narrow { max-width: 720px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.spread { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .grid2 { grid-template-columns: 1fr; } }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.hidden { display: none !important; }

label { display: block; font-weight: 600; font-size: 13px; margin: 12px 0 4px; }
input, textarea, select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
textarea { min-height: 160px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
input[type=file] { padding: 7px; }

button, .btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit; font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { filter: brightness(0.96); }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { color: var(--danger); }
button.danger.solid { background: var(--danger); border-color: var(--danger); color: #fff; }
button.success { background: var(--accepted); border-color: var(--accepted); color: #fff; }
button.sm { padding: 4px 10px; font-size: 13px; }
button:disabled { opacity: .5; cursor: default; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.table-scroll { overflow-x: auto; }

.badge {
  display: inline-block; padding: 1px 8px; border-radius: 99px;
  font-size: 12px; font-weight: 600; color: #fff; background: var(--pending);
}
.badge.accepted { background: var(--accepted); }
.badge.denied { background: var(--denied); }
.badge.requested { background: var(--requested); }
.badge.rejected, .badge.revoked { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.warn { color: var(--requested); font-weight: 600; }

.event-card { cursor: pointer; transition: border-color .15s; }
.event-card:hover { border-color: var(--accent); }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  padding: 10px 18px; border-radius: 8px; font-weight: 600;
  box-shadow: 0 6px 24px rgba(0,0,0,.25); z-index: 100;
  max-width: calc(100vw - 32px);
}

/* graph */
.graph-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); }
.graph-wrap svg { display: block; margin: 0 auto; }
.graph-wrap .edge { stroke: var(--border); stroke-width: 2; fill: none; }
.graph-wrap .node circle { stroke: var(--panel); stroke-width: 3; }
.graph-wrap .node text { fill: var(--text); font-size: 12px; text-anchor: middle; }
.graph-wrap .node text.sub { fill: var(--muted); font-size: 11px; }
.graph-wrap .node.dim { opacity: .4; }
.graph-wrap .node.requested circle { fill: none; stroke: var(--requested); stroke-dasharray: 4 3; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; margin-top: 10px; color: var(--muted); }
.legend span::before {
  content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  margin-right: 5px; background: var(--c); vertical-align: -1px;
}

/* invite page */
.invite-hero { text-align: center; padding: 48px 20px; }
.invite-hero h1 { font-size: 30px; }
.description { overflow-wrap: anywhere; }
.description img { max-width: 100%; height: auto; border-radius: 6px; }
.description pre { overflow-x: auto; background: var(--bg); padding: 10px; border-radius: 6px; }
.file-list { list-style: none; padding: 0; margin: 0; }
.file-list li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.file-list li:last-child { border-bottom: 0; }
.file-list .fname { overflow-wrap: anywhere; }
.actions { display: flex; gap: 12px; justify-content: center; margin-top: 8px; }
.notice { border-left: 4px solid var(--requested); padding: 10px 14px; background: var(--bg); border-radius: 6px; }