:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1c1c1a;
  --muted: #6b6b66;
  --line: #e3e3de;
  --accent: #1d4ed8;
  --accent-text: #ffffff;
  --danger: #b91c1c;
  --ok: #15803d;
  --warn: #b45309;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); }
h1, h2, h3, h4 { margin: 0 0 0.4rem; line-height: 1.25; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 0.6rem; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85em; }

.container { max-width: 980px; margin: 0 auto; padding: 0 1.25rem; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 0.9em; margin-top: 0.3rem; }
.error-text { color: var(--danger); font-size: 0.85em; }

.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); letter-spacing: 0.01em; }
.topbar__nav { display: flex; align-items: center; gap: 1rem; }
.topbar__nav a { text-decoration: none; }
.topbar__nav form { margin: 0; }

main { padding: 2rem 0 4rem; }

.hero { text-align: center; padding: 3rem 0 2rem; }
.hero h1 { font-size: 2.1rem; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 620px; margin: 0.5rem auto 1.5rem; }
.hero form { display: inline-block; }

.grid { display: grid; gap: 1rem; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.section { margin-top: 2.25rem; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 0.75rem; }
.actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.actions form { margin: 0; }

.btn {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.95em;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { border-color: #c9c9c2; }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn--primary:hover { filter: brightness(1.05); border-color: var(--accent); }
.btn--ghost { background: transparent; }
.btn--danger { color: var(--danger); }
.btn--small { padding: 0.25rem 0.6rem; font-size: 0.85em; }

.link-button {
  background: none; border: none; padding: 0; margin: 0;
  color: var(--accent); font: inherit; cursor: pointer; text-decoration: underline;
}
.link-button--danger { color: var(--danger); }

.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font-size: 0.8em; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 600; }
.table tr:last-child td { border-bottom: none; }
.row-actions { white-space: nowrap; }
.row-actions form { display: inline; margin-left: 0.6rem; }

.badge {
  display: inline-block; padding: 0.05rem 0.5rem; border-radius: 999px;
  font-size: 0.75em; font-weight: 600; background: #ecece8; color: var(--muted); vertical-align: middle;
}
.badge--ok { background: #dcfce7; color: var(--ok); }
.badge--warn { background: #fef3c7; color: var(--warn); }

.flash { padding: 0.7rem 1rem; border-radius: var(--radius); margin-bottom: 1.25rem; border: 1px solid; }
.flash--notice { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.flash--alert { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.flash .btn { margin-left: 0.75rem; }

.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; max-width: 640px; }
.form--inline { display: flex; gap: 0.5rem; align-items: center; max-width: none; padding: 0.75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.form--inline input[type="text"] { flex: 1; min-width: 200px; }
.field { margin-bottom: 1rem; border: none; padding: 0; min-width: 0; }
.field label, .field legend { display: block; font-weight: 600; margin-bottom: 0.3rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.choice { display: flex; align-items: center; gap: 0.5rem; font-weight: 400 !important; margin-bottom: 0.25rem !important; }
input[type="text"], select {
  width: 100%; padding: 0.45rem 0.6rem; border: 1px solid var(--line); border-radius: var(--radius);
  font: inherit; background: var(--surface); color: var(--text);
}
.form--inline input[type="text"], .form--inline select { width: auto; }

.links { display: grid; gap: 0.75rem; }
.link-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.85rem 1rem; }
.link-card--revoked { opacity: 0.6; }
.link-card__head { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.link-card__head form { margin-left: auto; }
.copy-row { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.5rem; }
.copy-row code { flex: 1; padding: 0.4rem 0.6rem; background: var(--bg); border-radius: 6px; overflow-wrap: anywhere; }

.legend { list-style: none; margin: 0 0 1rem; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; font-size: 0.9em; }
.legend li { display: flex; align-items: center; gap: 0.45rem; }
.legend__swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; flex: none; }

.calendar { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; font-size: 0.9rem; min-height: 320px; }
.calendar .fc .fc-toolbar-title { font-size: 1.15rem; }
.calendar .fc .fc-button { background: var(--surface); border-color: var(--line); color: var(--text); text-transform: none; box-shadow: none; }
.calendar .fc .fc-button:hover { background: var(--bg); }
.calendar .fc .fc-button-primary:not(:disabled).fc-button-active,
.calendar .fc .fc-button-primary:not(:disabled):active { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.calendar .fc .fc-button:disabled { opacity: 0.5; }
.calendar .fc .fc-daygrid-day.fc-day-today, .calendar .fc .fc-timegrid-col.fc-day-today { background: #eef3ff; }
.calendar .fc-event { cursor: default; }
.calendar .fc-event[href] { cursor: pointer; }
.calendar .fc-event.is-tentative { opacity: 0.75; border-style: dashed; }
.calendar .fc-event.is-transparent { opacity: 0.65; }
.calendar .fc .fc-list-event:hover td { background: var(--bg); }

.day { margin: 1.1rem 0 0.3rem; font-size: 0.95rem; color: var(--muted); font-weight: 600; }
.events { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.events li { display: grid; grid-template-columns: 130px 1fr auto; gap: 0.75rem; padding: 0.45rem 0.8rem; border-bottom: 1px solid var(--line); }
.events li:last-child { border-bottom: none; }
.events__time { color: var(--muted); font-variant-numeric: tabular-nums; }
.events__source { font-size: 0.85em; }

@media (max-width: 640px) {
  .page-head, .section-head { flex-direction: column; align-items: flex-start; }
  .field-row { grid-template-columns: 1fr; }
  .events li { grid-template-columns: 1fr; gap: 0.1rem; }
}