.cal-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: start; }
.cal-layout--selected { grid-template-columns: minmax(0, 1fr) 360px; }
.cal__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin-bottom: 12px; }
.cal__month { margin: 0; font-size: 22px; letter-spacing: -0.02em; line-height: 1.2; }
.cal__nav { display: flex; flex-wrap: wrap; gap: 8px; }
.cal__weekdays, .cal__week { display: grid; gap: 6px; margin-bottom: 6px; list-style: none; padding: 0; }
.cal__weekdays--5, .cal__week--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.cal__weekdays--7, .cal__week--7 { grid-template-columns: repeat(7, minmax(0, 1fr)); }
.cal__weekdays span { font-size: 14px; font-weight: 700; color: var(--color-muted); padding: 0 4px; }
.cal__week-note { display: flex; align-items: center; gap: 6px; margin: 10px 0 6px; font-size: 14px; font-weight: 600; color: var(--color-muted); }

.cal-day { display: flex; flex-direction: column; gap: 6px; min-width: 0; min-height: 120px; padding: 6px; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: 10px; }
.cal-day--outside { background: transparent; }
.cal-day--past { background: color-mix(in srgb, var(--color-tint) 30%, var(--color-surface)); }
.cal-day--today { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary); }
.cal-day--avoid { background: var(--color-danger-soft); border-color: var(--color-danger); }
.cal-day__date { display: flex; align-items: center; gap: 6px; margin: 0; font-size: 13px; font-weight: 700; color: var(--color-muted); }
.cal-day__today { padding: 0 8px; border-radius: 999px; background: var(--color-primary); color: var(--color-on-primary); font-size: 12px; }
.cal-day__avoid { display: flex; gap: 6px; align-items: flex-start; margin: 0; font-size: 13px; color: var(--color-danger); font-weight: 600; }
.cal-day__avoid svg { margin-top: 3px; }

.cal-slots { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.cal-slot { display: grid; gap: 2px; min-width: 0; min-height: 44px; padding: 5px 8px; border-radius: 8px; border: 1px solid var(--color-line); background: var(--color-surface); color: var(--color-ink); text-decoration: none; font-size: 13px; }
.cal-slot:hover { border-color: var(--color-primary); }
.cal-slot[aria-current="true"] { outline: 3px solid var(--color-primary); outline-offset: 1px; }
.cal-slot__code { font-family: var(--font-mono); font-weight: 700; overflow-wrap: anywhere; }
.cal-slot__time { color: var(--color-muted); font-variant-numeric: tabular-nums; }
.cal-slot__title { overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.cal-slot__state { font-weight: 700; }
.cal-slot--published { background: var(--color-live-soft); border-color: var(--color-live); color: var(--color-live-text); }
.cal-slot--approved { background: var(--color-tint); }
.cal-slot--needs_review { background: var(--color-accent-soft); border-color: var(--color-accent); color: var(--color-accent-text); }
.cal-slot--failed .cal-slot__time { color: inherit; }
.cal-slot--failed { background: var(--color-danger); border-color: var(--color-danger); color: var(--color-on-danger); }
.cal-slot--ghost, .cal-slot--open { background: transparent; border-style: dashed; border-color: var(--color-muted); color: var(--color-muted); }
.cal-slot--open { border-color: var(--color-line); }
.cal-slot--reminder { background: var(--color-note-gold); color: var(--color-ink); border-color: var(--color-tape); }

.cal-panel { position: sticky; top: 16px; display: grid; gap: 12px; padding: 20px; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: 14px; }
.cal-panel:focus-visible { outline: 3px solid var(--color-primary); }
.cal-panel p { margin: 0; }
.cal-panel__when { font-size: 14px; font-weight: 700; color: var(--color-muted); }
.cal-panel__title { margin: 0; font-size: 22px; line-height: 1.25; letter-spacing: -0.02em; }
.cal-panel__sub { display: block; font-size: 17px; font-weight: 600; }
.cal-panel__tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.cal-panel__detail { color: var(--color-muted); }
.cal-panel__rule { display: grid; gap: 8px; padding-top: 12px; border-top: 1px solid var(--color-line); }
.cal-panel__rule h3 { margin: 0; font-size: 15px; }
.cal-panel__rule dl { display: grid; gap: 4px; margin: 0; }
.cal-panel__rule dl div { display: flex; gap: 12px; font-size: 15px; }
.cal-panel__rule dt { width: 70px; color: var(--color-muted); }
.cal-panel__rule dd { margin: 0; }

@media (max-width: 900px) {
  .cal-layout--selected { grid-template-columns: minmax(0, 1fr); }
  .cal-panel { position: static; order: -1; }
}

@media (max-width: 700px) {
  .cal__weekdays--7, .cal__week--7 { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .cal__weekdays, .cal__week { gap: 3px; }
  .cal-day { min-height: 64px; padding: 3px; }
  .cal-day__today { display: none; }
  .cal-day__avoid { font-size: 0; gap: 0; }
  .cal-day__avoid svg { margin: 0; }
  .cal-slot { min-height: 24px; padding: 2px 4px; }
  .cal-slot__time, .cal-slot__title, .cal-slot__state { display: none; }
  .cal-slot__code { font-size: 11px; }
}