:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1c2333;
  --muted: #6b7280;
  --line: #e2e5ea;
  --blue: #2d8cff;
  --blue-dark: #0b5cff;
  --red: #d33a2c;
  --green-bg: #e8f7ee;
  --green-line: #bfe6cc;
  --red-bg: #fdecea;
  --red-line: #f5c6c0;
  --info-bg: #eaf3fe;
  --info-line: #c3ddfb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  background: #232333; color: #fff; padding: 12px 20px;
}
.brand { font-weight: 700; font-size: 17px; }
.topbar nav a {
  color: #c9cbd6; text-decoration: none; margin-left: 16px; font-size: 14px;
}
.topbar nav a.active, .topbar nav a:hover { color: #fff; }
.container { max-width: 760px; margin: 24px auto; padding: 0 16px 40px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; margin-bottom: 18px;
}
.card h2 { margin: 0 0 14px; font-size: 17px; }
.card.success { border-color: var(--green-line); background: var(--green-bg); }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 12px; }
label input[type="text"], label input[type="password"], label input[type="datetime-local"], label select {
  display: block; width: 100%; margin-top: 5px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-weight: 400;
  background: #fff; color: var(--ink);
}
.btn {
  display: inline-block; border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 9px 16px; border-radius: 8px; font-size: 14px; cursor: pointer; text-decoration: none;
}
.btn:hover { background: #f0f1f4; }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--blue-dark); }
.btn.danger { color: var(--red); border-color: var(--red-line); }
.btn.block { display: block; width: 100%; text-align: center; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.alert { border-radius: 10px; padding: 12px 16px; margin-bottom: 16px; font-size: 14px; border: 1px solid; }
.alert.error { background: var(--red-bg); border-color: var(--red-line); color: #7c1d14; }
.alert.success { background: var(--green-bg); border-color: var(--green-line); color: #14532d; }
.alert.info { background: var(--info-bg); border-color: var(--info-line); color: #173a5e; }
.muted { color: var(--muted); font-size: 13px; font-weight: 400; }
.radio-row { display: flex; gap: 22px; margin: 6px 0 14px; }
label.radio { font-weight: 400; margin: 0; }
.schedule-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.schedule-fields label { margin-bottom: 12px; }
.field { margin-bottom: 10px; font-size: 14px; }
.field-label { display: block; font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 3px; }
.link-row { display: grid; gap: 12px; margin: 14px 0; }
.link-box { display: flex; align-items: flex-end; gap: 10px; }
.link-box .field-label { margin-bottom: 0; }
.link-box input {
  flex: 1; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px; background: #fff;
}
.badge {
  display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px;
  border-radius: 999px; vertical-align: 2px; margin-right: 6px;
}
.badge.live { background: #fdecea; color: #b3261e; }
.badge.sched { background: var(--info-bg); color: #173a5e; }
.badge.hist { background: #eef0f3; color: #4b5563; }
.meeting-list { list-style: none; margin: 0; padding: 0; }
.meeting-list li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.meeting-list li:last-child { border-bottom: none; }
.danger-zone { margin-top: 16px; border-top: 1px dashed var(--line); padding-top: 14px; }
.login-wrap { max-width: 400px; margin: 60px auto; padding: 0 16px; }
.login-wrap h1 { font-size: 20px; margin: 0 0 8px; }
@media (max-width: 560px) {
  .schedule-fields { grid-template-columns: 1fr; }
  .link-box { flex-wrap: wrap; }
}