/**
 * AdSet Schedule Grid Styles
 */
.schedule-grid {
    border-collapse: collapse;
    user-select: none;
    margin: 10px 0;
}

.schedule-grid th,
.schedule-grid td {
    border: 1px solid #ddd;
    padding: 4px 4px;
    text-align: center;
    font-size: 12px;
}

.schedule-grid th {
    background: #f5f5f5;
    font-weight: normal;
    color: #666;
}

.schedule-grid .day-label {
    text-align: right;
    font-weight: bold;
    padding-right: 10px;
    white-space: nowrap;
    background: #fafafa;
}

.schedule-grid .cell {
    width: 10px;
    height: 10px;
    cursor: pointer;
    transition: background-color 0.1s;
}

.schedule-grid .cell:hover {
    background: #e3f2fd;
}

.schedule-grid .cell.selected {
    background: #90caf9;
}

.schedule-grid .all-days-row {
    border-top: 2px solid #ccc;
}

.schedule-grid .all-days-row .day-label {
    font-style: italic;
    color: #666;
}

.schedule-legend {
    margin-top: 8px;
    font-size: 12px;
    color: #666;
}

.schedule-legend .legend-box {
    display: inline-block;
    width: 16px;
    height: 12px;
    background: #90caf9;
    border: 1px solid #64b5f6;
    margin-right: 6px;
    vertical-align: middle;
}