:root {
    --grid-gap: 0.35rem;
}

.availability-form {
    width: 100%;
}

.sticky-nav-container {
    position: static;
    margin-bottom: 0.5rem;
}

.sticky-header-group {
    position: sticky;
    top: var(--app-header-height);
    z-index: var(--z-sticky);
    background: var(--bg-surface);
    width: 100%;
    padding: 0.5rem 0;
    box-shadow: 0 4px 10px -5px var(--bg-surface);
}

.date-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--primary-light);
    padding: 0.5rem;
    margin: 0;
    border-radius: 8px;
    border: 1px solid var(--neutral);
    gap: 1rem;
}

.date-navigation h3 {
    white-space: nowrap;
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: clamp(0.9rem, 3vw, 1.2rem);
    margin: 0;
    text-align: center;
}

.nav-actions {
    display: flex;
    gap: 0.625rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--grid-gap);
}

.day-header {
    position: static;
    top: auto;
    box-shadow: none;
    border-bottom: none;
    border-radius: 0.4rem 0.4rem 0 0;
    z-index: auto;
}

.calendar-grid.header-only {
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--neutral);
}

/* Grid offsets for correct start day of week */
.start-col-1 { grid-column-start: 1; }
.start-col-2 { grid-column-start: 2; }
.start-col-3 { grid-column-start: 3; }
.start-col-4 { grid-column-start: 4; }
.start-col-5 { grid-column-start: 5; }
.start-col-6 { grid-column-start: 6; }
.start-col-7 { grid-column-start: 7; }

.card-date {
    background: var(--primary-light);
    padding: 0.35rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--neutral);
    white-space: nowrap;
}

.card-body-horizontal {
    padding: 0.5rem 0.35rem;
    display: flex;
    gap: 0.35rem;
    flex-grow: 1;
}

.shift-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0.25rem;
}

.shift-label {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
}

.split-btn-compact {
    display: flex;
    width: 100%;
    height: 2.2rem;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--neutral);
    cursor: pointer;
    position: relative;
    user-select: none;
}

.split-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, color 0.2s ease;
    background: var(--primary-light);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.split-side:hover {
    background: var(--neutral);
}

.split-btn-compact[data-state="true"] .side-yes {
    background: var(--success);
    color: var(--text-inverse);
    flex: 1;
    width: 100%;
}

.split-btn-compact[data-state="true"] .side-no {
    display: none;
}

.split-btn-compact[data-state="false"] .side-no {
    background: var(--danger);
    color: var(--text-inverse);
    flex: 1;
    width: 100%;
}

.split-btn-compact[data-state="false"] .side-yes {
    display: none;
}

@media (max-width: 600px) {
    .card-body-horizontal {
        flex-direction: column;
        gap: 0.75rem;
    }

    .nav-text {
        display: none;
    }

    .date-navigation .btn {
        font-size: 1.2rem;
        padding: 0.5rem 0.8rem;
    }

}