/* ================================================================
   Units & Tenants Section
   ================================================================ */

.units-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.units-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.units-section-title {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}

.units-section-title h2 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.units-total-rent {
    font-size: 0.8125rem;
    color: var(--muted);
    font-weight: 500;
}

.units-empty {
    color: var(--muted);
    font-size: 0.8125rem;
    text-align: center;
    padding: 1.5rem 0;
}

.units-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* --- Unit Card --- */

.unit-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.625rem 0.75rem;
    background: var(--bg);
    transition: box-shadow 0.15s;
}

.unit-card:hover {
    box-shadow: 0 1px 3px var(--shadow-sm);
}

.unit-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.375rem;
}

.unit-card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.unit-identifier {
    font-weight: 600;
    font-size: 0.875rem;
}

.unit-type-badge {
    font-size: 0.6875rem;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    background: var(--border);
    color: var(--muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.occupancy-badge {
    font-size: 0.6875rem;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-weight: 500;
}

.occupancy-badge.occ-occupied {
    background: rgba(34, 197, 94, 0.12);
    color: #16a34a;
}

.occupancy-badge.occ-vacant {
    background: rgba(156, 163, 175, 0.15);
    color: var(--muted);
}

.unit-card-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

.unit-btn {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--fg);
    cursor: pointer;
    font-family: var(--font);
    transition: background 0.12s;
}

.unit-btn:hover {
    background: var(--hover-overlay);
}

.units-add-btn {
    font-weight: 600;
}

.unit-btn-delete {
    color: #dc2626;
    border-color: rgba(220, 38, 38, 0.25);
}

.unit-btn-delete:hover {
    background: rgba(220, 38, 38, 0.08);
}

/* --- Unit Fields (read-only) --- */

.unit-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(120px, 100%), 1fr));
    gap: 0.25rem 1rem;
}

.unit-field {
    display: flex;
    flex-direction: column;
    font-size: 0.8125rem;
}

.unit-field-label {
    font-size: 0.6875rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.0625rem;
}

.unit-field-value {
    font-weight: 500;
}

/* --- Edit Form --- */

.unit-edit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr));
    gap: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
}

.unit-edit-grid label {
    display: flex;
    flex-direction: column;
    font-size: 0.75rem;
    color: var(--muted);
    font-weight: 500;
}

.unit-edit-grid input,
.unit-edit-grid select {
    margin-top: 0.125rem;
    padding: 0.25rem 0.375rem;
    font-size: 0.8125rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface);
    color: var(--fg);
    font-family: var(--font);
}

.unit-edit-grid input:focus,
.unit-edit-grid select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--focus-ring);
}

.unit-edit-actions {
    display: flex;
    gap: 0.375rem;
    justify-content: flex-end;
}

.unit-btn-save {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
    font-weight: 600;
}

.unit-btn-save:hover {
    opacity: 0.9;
}