/* Calendar Grid Layout */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-top: 1rem;
}

/* Day Headers */
.calendar-day-header {
    padding: 12px;
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: #6c757d;
    border-bottom: 2px solid #dee2e6;
}

/* Calendar Day Cell */
.calendar-day {
    aspect-ratio: 1;
    padding: 8px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background-color: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 80px;
}

.calendar-day:hover {
    background-color: #f8f9fa;
    border-color: #0d6efd;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.calendar-day-empty {
    background-color: #f8f9fa;
    border-color: #e9ecef;
    cursor: default;
}

.calendar-day-empty:hover {
    background-color: #f8f9fa;
    border-color: #e9ecef;
    box-shadow: none;
}

/* Today's Date */
.calendar-day-today {
    background-color: #e7f3ff;
    border-color: #0d6efd;
    font-weight: 600;
}

.calendar-day-today:hover {
    background-color: #d0e9ff;
}

/* Selected Date */
.calendar-day-selected {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: #fff;
}

.calendar-day-selected:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
}

.calendar-day-selected .calendar-day-number {
    color: #fff;
}

.calendar-day-selected .calendar-day-badge {
    background-color: #fff;
    color: #0d6efd;
}

/* Day Number */
.calendar-day-number {
    font-size: 0.875rem;
    font-weight: 500;
    color: #212529;
    margin-bottom: 4px;
}

/* Assignment Count Badge */
.calendar-day-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: #0d6efd;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 12px;
    min-width: 20px;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .calendar-grid {
        gap: 4px;
    }

    .calendar-day {
        min-height: 60px;
        padding: 4px;
    }

    .calendar-day-header {
        padding: 8px 4px;
        font-size: 0.75rem;
    }

    .calendar-day-number {
        font-size: 0.75rem;
    }

    .calendar-day-badge {
        font-size: 0.625rem;
        padding: 1px 4px;
        min-width: 16px;
        bottom: 4px;
        right: 4px;
    }
}

@media (max-width: 576px) {
    .calendar-grid {
        gap: 2px;
    }

    .calendar-day {
        min-height: 50px;
        padding: 2px;
    }

    .calendar-day-header {
        padding: 6px 2px;
        font-size: 0.7rem;
    }

    .calendar-day-number {
        font-size: 0.7rem;
    }

    .calendar-day-badge {
        font-size: 0.6rem;
        padding: 1px 3px;
        min-width: 14px;
        bottom: 2px;
        right: 2px;
    }
}

/* Scheduled Location Labels */
.calendar-day-locations {
    margin-top: 4px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.calendar-location-label {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    border-radius: 4px;
    padding: 2px 4px;
    font-size: 0.65rem;
    line-height: 1.2;
    color: #0c5460;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-day-selected .calendar-location-label {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

.calendar-location-more {
    font-size: 0.65rem;
    color: #6c757d;
    text-align: center;
    font-style: italic;
    margin-top: 2px;
}

.calendar-day-selected .calendar-location-more {
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
    .calendar-location-label {
        font-size: 0.6rem;
        padding: 1px 2px;
    }

    .calendar-location-more {
        font-size: 0.6rem;
    }
}

@media (max-width: 576px) {
    .calendar-location-label {
        font-size: 0.55rem;
        padding: 1px 2px;
    }

    .calendar-location-more {
        font-size: 0.55rem;
    }
}