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button:focus-visible{outline:4px solid rgba(0,122,255,.18);outline-offset:2px}.calendar-shell{display:grid;gap:8px}.calendar-weekdays,.month-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.calendar-weekdays{gap:4px;color:var(--muted);text-align:center;font-size:.78rem;font-weight:800}.month-grid{gap:5px}.month-cell{position:relative;display:grid;align-content:start;gap:5px;width:100%;min-height:86px;padding:7px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#ffffffc7;color:var(--ink);text-align:left;box-shadow:0 1px 5px #00000009}button.month-cell{cursor:pointer}.month-cell.empty{min-height:86px;background:transparent;border-color:transparent;box-shadow:none}.month-cell.has-events{background:var(--surface-strong)}.month-cell.is-today{border-color:#007aff6b}.month-cell.is-selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent),0 5px 14px #007aff24}.month-cell:focus-visible{outline:4px solid rgba(0,122,255,.18);outline-offset:2px}.month-day-row{display:flex;align-items:center;justify-content:space-between;gap:3px;min-width:0}.month-day{font-weight:900;font-size:.84rem;line-height:1}.month-count-pill{display:inline-flex;min-height:18px;align-items:center;border-radius:999px;background:#f5f5f7;color:var(--muted);padding:0 5px;font-size:.62rem;font-weight:850;white-space:nowrap}.month-markers{display:grid;gap:3px;min-width:0}.month-marker{display:inline-flex;min-width:0;min-height:20px;align-items:center;justify-content:space-between;gap:3px;overflow:hidden;border-radius:6px;background:#f5f5f7;color:var(--ink);padding:0 5px;font-size:.64rem;line-height:1}.month-marker strong{min-width:0;overflow:hidden;color:#0057b8;font-weight:900;text-overflow:ellipsis;white-space:nowrap}.month-marker b,.month-more{flex:0 0 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legend{margin-bottom:10px;color:var(--ink);font-weight:800}.course-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.course-options label{display:flex;align-items:center;gap:9px;min-height:46px;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff;font-weight:700;box-shadow:0 1px 5px #00000009}.course-options label.selected{border-color:#007aff33;background:var(--accent-soft);color:#0057b8}.course-options input{width:18px;height:18px;accent-color:var(--accent)}.settings-actions{display:flex;flex-wrap:wrap;gap:10px}.settings-actions .muted-button{color:var(--muted);background:#ffffffd1}.settings-note{margin-bottom:0;color:var(--muted);font-size:.9rem;line-height:1.55}.bottom-nav{position:fixed;right:0;bottom:0;left:0;z-index:10;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:4px;width:min(100%,1040px);margin:0 auto;padding:9px 8px calc(9px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#ffffffd1;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}.bottom-nav button{min-width:0;min-height:44px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:.78rem;font-weight:800}.bottom-nav button.active{background:var(--accent-soft);color:#0057b8}@media(max-width:430px){.app-shell{padding-right:10px;padding-left:10px}.header-action{padding:0 10px;font-size:.85rem}.option-add-panel .form-grid{gap:10px}.summary-band{padding:14px}.card-main{grid-template-columns:1fr}.time-chip{width:fit-content}.month-grid{gap:4px}.month-cell{min-height:78px;padding:5px}.month-day{font-size:.8rem}.month-count-pill{padding:0 4px;font-size:.56rem}.month-marker{min-height:18px;padding:0 4px;font-size:.58rem}.month-marker b,.month-more,.month-alert-dot{font-size:.54rem}}@media(min-width:720px){.app-shell{padding:28px 24px 104px}.app-header{grid-template-columns:1fr auto;align-items:center;gap:16px}.header-actions{justify-content:flex-end}.content{gap:20px}.screen-stack{gap:18px}.priority-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-command-center{grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);align-items:stretch}.month-toolbar{grid-template-columns:1fr auto;align-items:center}.month-nav-actions{min-width:280px}.ops-metric-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.option-add-panel .form-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.admin-tabs{grid-template-columns:repeat(5,minmax(0,1fr))}.storage-stats-grid,.storage-purge-form{grid-template-columns:repeat(4,minmax(0,1fr));align-items:end}.bulk-filter-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:end}.option-add-panel .form-field:first-child,.option-add-panel .admin-actions{grid-column:auto}.form-field.full{grid-column:1 / -1}.schedule-list{grid-template-columns:repeat(2,minmax(0,1fr))}.section-block>.schedule-list:has(.schedule-card.compact){grid-template-columns:1fr}.day-group .schedule-list{grid-template-columns:repeat(2,minmax(0,1fr))}.settings-panel{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}.settings-actions,.settings-note{grid-column:1 / -1}.course-options{grid-template-columns:1fr}}