.week-calendar { overflow: auto; background: var(--color-bg); }
.week-root { display: flex; min-width: 0; width: 100%; min-height: 100%; flex-direction: column; }
.week-header { position: sticky; top: 0; z-index: 10; display: grid; grid-template-columns: 56px repeat(7,minmax(0,1fr)); flex-shrink: 0; border-bottom: 1px solid var(--color-border); background: rgba(17,20,27,.96); backdrop-filter: blur(14px); }
.week-header-corner { border-right: 1px solid var(--color-border); }
.week-header-day { padding: 9px 0 11px; border-right: 1px solid var(--color-border); text-align: center; }
.weekday-name { color: var(--color-text-muted); font-size: .68rem; font-weight: 720; letter-spacing: .08em; text-transform: uppercase; }
.day-number { display: inline-grid; width: 38px; height: 38px; margin-top: 3px; place-items: center; border-radius: 50%; font-size: 1.3rem; font-weight: 620; }
.day-number.today { background: var(--color-accent); color: #07111f; }
.week-content { display: grid; grid-template-columns: 56px repeat(7,minmax(0,1fr)); flex: 1; }
.time-column { display: flex; flex-direction: column; border-right: 1px solid var(--color-border); background: var(--color-surface); }
.time-slot, .week-hour { position: relative; height: 42px; }
.time-slot::after, .week-hour::after { position: absolute; right: 0; bottom: 0; left: 0; border-bottom: 1px solid var(--color-border); content: ""; }
.time-label { position: absolute; top: 0; right: 9px; padding: 0 4px; transform: translateY(-50%); background: var(--color-surface); color: var(--color-text-muted); font-size: .6rem; white-space: nowrap; padding: 0; right: 4px; }
.week-column { position: relative; border-right: 1px solid var(--color-border); }
.week-event-layer { position: absolute; inset: 0; }
.week-event { position: absolute; box-sizing: border-box; min-height: 24px; padding: 5px 7px; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-left: 3px solid var(--color-accent); border-radius: 7px; background: #18283e; color: #fff; font-family: inherit; text-align: left; cursor: pointer; transition: filter var(--transition), transform var(--transition); }
.week-event:hover { filter: brightness(1.14); transform: translateY(-1px); }
.week-event.event-status-red { border-left-color: var(--color-danger); background: #302029; color: #fff4f5; }
.week-event.event-status-green { border-left-color: var(--color-success); background: #162d27; color: #effff6; }
.week-event.event-status-blue { border-left-color: var(--color-accent); background: #18283e; color: #f4f8ff; }
.week-event-title { overflow: hidden; font-size: .72rem; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.week-event-time { margin-top: 2px; font-size: .66rem; opacity: .9; }
.current-time-line { position: absolute; right: 0; left: 0; z-index: 8; height: 2px; background: var(--color-danger); box-shadow: 0 0 0 1px rgba(255,123,134,.15); }
.day-root { min-width: 640px; } .day-root .week-header, .day-root .week-content { grid-template-columns: 76px minmax(0,1fr); }
.weekends-root { min-width: 760px; } .weekends-root .week-header, .weekends-root .week-content { grid-template-columns: 76px repeat(3,minmax(180px,1fr)); }

.week-event .event-status-label { font-size: .6rem; font-weight: 650; }
.week-event-title { white-space: nowrap; line-height: 1.2; }
.phone-week-calendar { background: var(--color-bg); }
.week-date-strip { position: sticky; top: 0; z-index: 12; display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 3px; padding: 10px 8px; border-bottom: 1px solid var(--color-border); background: var(--color-bg); }
.week-date-button { display: flex; min-width: 0; min-height: 76px; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 4px 0; border: 1px solid transparent; border-radius: 12px; background: transparent; color: var(--color-text-muted); }
.week-date-button strong { font-size: 1.05rem; color: var(--color-text); }
.week-date-button[aria-current="date"] { border-color: var(--color-border-strong); }
.week-date-button[aria-pressed="true"] { border-color: var(--color-accent); background: rgba(110,168,254,.14); color: var(--color-accent); }
.week-date-button[aria-pressed="true"] strong { color: var(--color-accent); }
.week-date-name { font-size: .62rem; font-weight: 650; }
.week-date-count { font-size: .6rem; }

@media (max-width: 720px) {
    .week-root { min-width: 0; width: 100%; } .week-header { grid-template-columns: 36px repeat(7,minmax(0,1fr)); } .week-content { grid-template-columns: 36px repeat(7,minmax(0,1fr)); }
    .week-header-corner { } .week-header-day { padding: 5px 0 7px; } .weekday-name { font-size: .52rem; letter-spacing: 0; } .day-number { width: 24px; height: 24px; font-size: .82rem; margin-top: 1px; }
    .time-column { min-width: 0; } .time-label { right: 2px; font-size: .52rem; white-space: nowrap; }
    .week-event { padding: 2px 3px; border-radius: 4px; } .week-event-title { font-size: .58rem; } .week-event-time { font-size: .54rem; } .week-event .event-status-label { display: none; }
    .day-root { min-width: 0; width: 100%; } .day-root .week-header, .day-root .week-content { grid-template-columns: 36px minmax(0,1fr); }
    .weekends-root { min-width: 0; width: 100%; } .weekends-root .week-header, .weekends-root .week-content { grid-template-columns: 36px repeat(3,minmax(0,1fr)); }

    /* ── Mobile two-panel week layout ─────────────────────────── */
    .week-calendar { display: flex; flex-direction: column; overflow: hidden; }
    .week-grid-area { flex: none; overflow: hidden; }
    .week-grid-area .week-root { height: 100%; display: flex; flex-direction: column; }
    .week-grid-area .week-content { flex: 1; min-height: 0; overflow: hidden; }
    /* Compact event chips in grid: show short subject code, hide time/status */
    .week-grid-area .week-event { padding: 1px 2px; min-height: 4px; border-left-width: 2px; border-radius: 2px; }
    .week-grid-area .week-event-title { display: block; font-size: .48rem; font-weight: 800; line-height: 1.15; overflow: hidden; white-space: nowrap; text-overflow: clip; }
    .week-grid-area .week-event-time { display: none; }
    /* Selected day highlight */
    .week-col-selected { background: rgba(110,168,254,.07); }
    .week-header-day-selected .day-number { outline: 1.5px solid var(--color-accent); color: var(--color-accent); }
    /* ── Day-detail panel ─────────────────────────────────────── */
    .week-day-panel { flex: none; overflow-y: auto; border-top: 1px solid var(--color-border); background: var(--color-surface); }
    .week-dp-header { padding: 7px 14px 5px; font-size: .72rem; font-weight: 750; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .06em; position: sticky; top: 0; background: var(--color-surface); z-index: 1; border-bottom: 1px solid var(--color-border); }
    .week-dp-empty { padding: 14px 16px; color: var(--color-text-muted); font-size: .85rem; }
    .week-dp-row { display: flex; align-items: flex-start; gap: 10px; width: 100%; padding: 9px 14px; border: 0; border-bottom: 1px solid var(--color-border); background: transparent; color: inherit; font-family: inherit; text-align: left; cursor: pointer; transition: background var(--transition); }
    .week-dp-row:last-child { border-bottom: 0; }
    .week-dp-row:hover, .week-dp-row:active { background: var(--color-surface-hover); }
    .week-dp-time { font-size: .72rem; color: var(--color-text-muted); font-weight: 600; min-width: 42px; padding-top: 2px; flex-shrink: 0; }
    .week-dp-bar { width: 3px; border-radius: 2px; align-self: stretch; min-height: 34px; flex-shrink: 0; }
    .week-dp-bar.event-status-green { background: var(--color-success); }
    .week-dp-bar.event-status-red { background: var(--color-danger); }
    .week-dp-bar.event-status-blue { background: var(--color-accent); }
    .week-dp-info { flex: 1; min-width: 0; }
    .week-dp-title { font-size: .88rem; font-weight: 700; margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .week-dp-detail { font-size: .72rem; color: var(--color-text-muted); }
}