:root { --bg:#0b1220; --fg:#0f172a; --muted:#64748b; --brand:#0ea5e9; }
* { box-sizing: border-box; }
body { font-family: 'Nunito', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; font-weight:300; line-height:1.6; margin:0; color: var(--fg); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
header { background: #f8fafc; border-bottom: 1px solid #e2e8f0; }
header .wrap { display:flex; align-items:center; justify-content: space-between; padding:16px 16px; }
h1 { font-size: 22px; margin:0; font-weight:700; }
nav .btn { display:inline-block; margin-left:8px; padding:8px 12px; background: var(--brand); color:#fff; border-radius:6px; text-decoration:none; font-weight:600; }
nav .btn.btn-coffee { background:#FFDD00; color:#000; }
main { padding: 20px 0 40px; }
#calendar { border:1px solid #e2e8f0; border-radius:8px; padding:8px; }
.list { list-style:none; padding:0; margin:12px 0 0; }
.list li { padding:10px 4px; border-bottom:1px solid #e2e8f0; }
.list time { color: var(--muted); margin-right:8px; }
.list strong { font-weight:700; }
.muted { color: var(--muted); }

@media (max-width: 640px) {
  header .wrap { display:flex; flex-direction: column; align-items: flex-start; gap: 8px; }
  h1 { font-size: 18px; }
  nav .btn { margin: 4px 6px 0 0; padding: 8px 10px; font-size: 14px; }
  #calendar { padding: 4px; }
  /* FullCalendar toolbar responsiveness */
  .fc .fc-toolbar { flex-wrap: wrap; row-gap: 6px; }
  .fc .fc-toolbar .fc-toolbar-chunk { width: 100%; display: flex; justify-content: space-between; }
  .fc .fc-toolbar-title { font-size: 16px; line-height: 1.2; }
  .fc .fc-button { padding: 4px 8px; font-size: 12px; }
  .fc .fc-button-group { display:flex; width: 100%; }
  .fc .fc-button-group .fc-button { flex: 1 1 0; }
}