body { font-family: 'Inter', sans-serif; background-color: #f8f9fa; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.day-cell { min-height: 120px; position: relative; }
.day-cell .add-shift-btn { display: none; position: absolute; top: 4px; right: 4px; cursor: pointer; background-color: #e9ecef; border-radius: 9999px; width: 24px; height: 24px; font-weight: bold; color: #495057; }
.day-cell:hover .add-shift-btn { display: flex; align-items: center; justify-content: center; }
.today { background-color: #e9ecef; border: 2px solid #007bff; }
.task-card { border-left-width: 4px; cursor: pointer; }
.filter-btn.active, .day-checkbox:checked + label, .week-checkbox:checked + label { background-color: #0d6efd; color: white; }
.nav-tab.active { border-bottom-color: #0d6efd; color: #0d6efd; font-weight: 600; }
.sunday-col { background-color: #f3f4f6; }
.edit-icon { cursor: pointer; opacity: 0.5; transition: opacity 0.2s; }
.edit-icon:hover { opacity: 1; }
#main-content.blurred { filter: blur(5px); pointer-events: none; }