/* Explain: Styles for the clickable 15-minute time slot boxes. */
/* Clickable 15-minute time and duration boxes. */

.cal-box-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    max-height: 12rem;
    overflow-y: auto;
    padding: 0.2rem;
    border: 1px solid var(--border-color);
    border-radius: 0.7rem;
    background: #ffffff;
}

.cal-box {
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 0.6rem;
    background: var(--surface-color);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: all 0.2s ease;
}
.cal-box:hover {
    border-color: var(--primary-color);
    background: var(--surface-alt);
}
.cal-box:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}
.cal-box.is-on,
.cal-box.is-on:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.cal-box-empty {
    margin: 0;
    padding: 0.5rem;
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--text-muted);
}