/* ============================================
   PATTERNS
   Entity card, collapsible group, empty state,
   scrollable list, loading overlay, spinner
   ============================================ */

/* === Entity List (flex column container for cards) === */

.entity-list {
    display: flex;
    flex-direction: column;
}

/* === Scrollable List === */

.scrollable-list {
    max-height: calc(700px * var(--space-scale));
    overflow-y: auto;
    padding-inline-end: var(--space-2);
    padding-top: calc(2px * var(--space-scale));
}


/* === Entity Card (apartment, car, etc.) === */

.entity-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.entity-card:hover {
    box-shadow: 0 4px 16px -2px var(--black-8), 0 1px 4px rgba(0, 0, 0, 0.03);
    transform: translateY(-1px);
}

.entity-card--inactive {
    opacity: 0.7;
    background: var(--danger-bg-subtle);
    border-color: var(--danger-color);
    border-width: 1px;
}

.entity-card--compact {
    align-items: center;
    padding: var(--space-3);
    gap: var(--space-3);
    background: var(--surface);
    border-radius: var(--radius-sm);
}

.entity-card--compact:hover {
    background: var(--background);
    transform: none;
    box-shadow: none;
}

.entity-card--compact .entity-card__icon {
    width: auto;
    height: auto;
    background: none;
    box-shadow: none;
    color: var(--primary-color);
}

.entity-card--compact .entity-card__icon svg {
    width: var(--icon-lg);
    height: var(--icon-lg);
}

.entity-card--compact.entity-card--inactive {
    background: var(--danger-bg-light);
}

.entity-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    color: white;
    box-shadow: 0 2px 6px -1px var(--black-15);
    margin-top: 2px;
}

.entity-card__icon svg {
    width: var(--icon-md);
    height: var(--icon-md);
}

.entity-card__body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: calc(4px * var(--space-scale));
}

.entity-card__name {
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.entity-card--inactive .entity-card__name {
    color: var(--danger-color);
}

.entity-card__related {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex-wrap: wrap;
    font-size: var(--text-xs);
    margin-top: var(--space-1);
    padding-top: var(--space-2);
    border-top: 1px solid var(--border-light);
}

.entity-card__details-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.entity-card__detail-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.entity-card__detail-chip svg {
    flex-shrink: 0;
    opacity: 0.6;
}

.entity-card__detail-chip + .entity-card__detail-chip::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 3px;
    background: var(--text-secondary);
    border-radius: 50%;
    opacity: 0.4;
    margin-inline-end: 2px;
    flex-shrink: 0;
}

.entity-card__detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

.entity-card__address-row {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    min-width: 0;
    overflow: hidden;
}

.entity-card__address-row svg {
    flex-shrink: 0;
    opacity: 0.5;
}

.entity-card__address-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.entity-card__related .chip {
    padding: 1px var(--space-2);
    font-size: 10.5px;
    line-height: 1.4;
    border-radius: var(--radius-sm);
}

/* === Collapsible Group === */

.collapsible-group {
    width: 100%;
}

.collapsible-group + .collapsible-group {
    margin-top: var(--space-2);
}

.collapsible-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--card-titles);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: var(--space-2);
    user-select: none;
}

.collapsible-header:hover {
    background: var(--border-light);
    border-color: var(--primary-color);
}

.collapsible-arrow {
    transition: transform 0.2s;
    color: var(--primary-color);
    flex-shrink: 0;
}

.collapsible-group:not(.collapsed) .collapsible-arrow {
    transform: rotate(90deg);
}

[dir="rtl"] .collapsible-group:not(.collapsed) .collapsible-arrow {
    transform: rotate(-90deg);
}

.collapsible-name {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.collapsible-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-inline-start: var(--space-4);
    border-inline-start: 2px solid var(--border);
    margin-inline-start: var(--space-2);
}

.collapsible-group.collapsed .collapsible-content {
    display: none;
}

/* Optional header sections — for headers with action buttons */
.collapsible-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
}

.collapsible-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    cursor: default;
}

.collapsible-header-actions .btn {
    padding: 0;
    width: var(--icon-xl);
    height: var(--icon-xl);
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
}

.collapsible-header-actions .btn:hover {
    background: var(--background);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.collapsible-header-actions .btn svg {
    width: calc(14px * var(--space-scale));
    height: calc(14px * var(--space-scale));
    stroke-width: 2;
}

/* === Empty State === */

.empty-state {
    text-align: center;
    padding: calc(60px * var(--space-scale)) var(--space-5);
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    grid-column: 1 / -1;
}

.empty-state svg {
    width: var(--space-16);
    height: var(--space-16);
    color: var(--border);
    opacity: 0.5;
    stroke-width: 1.5;
}

.empty-state h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.empty-state p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* === Loading Overlay === */

.loading-overlay {
    display: none;
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 100%;
    background: var(--white-50);
    backdrop-filter: blur(2px);
    justify-content: center;
    align-items: center;
    z-index: 100;
    border-radius: var(--radius-md);
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: var(--space-10);
    height: var(--space-10);
    border: calc(4px * var(--space-scale)) solid var(--border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-small {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: calc(2px * var(--space-scale)) solid var(--white-30);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* === Comment / Async Feedback === */

.comment-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.comment-textarea {
    width: 100%;
    margin-top: var(--space-2);
    padding: var(--space-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-family: inherit;
    font-size: var(--text-sm);
    resize: vertical;
}

.comment-save-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(-2px);
}

.comment-save-status.saving {
    opacity: 1;
    transform: translateY(0);
    color: #6366f1;
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.15);
}

.comment-save-status.saved {
    opacity: 1;
    transform: translateY(0);
    color: var(--confirm-success);
    background: linear-gradient(135deg, var(--alert-success-bg-light) 0%, #d1fae5 100%);
    box-shadow: 0 1px 3px rgba(5, 150, 105, 0.15);
}

.comment-save-status.error {
    opacity: 1;
    transform: translateY(0);
    color: var(--alert-error-icon);
    background: linear-gradient(135deg, var(--alert-error-bg-light) 0%, var(--alert-error-bg) 100%);
    box-shadow: 0 1px 3px rgba(220, 38, 38, 0.15);
}

.comment-save-status.fade-out {
    opacity: 0;
    transform: translateY(-2px);
}

.comment-save-status .status-spinner {
    display: block;
    width: var(--icon-sm);
    height: var(--icon-sm);
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

.comment-save-status .status-check {
    width: var(--icon-sm);
    height: var(--icon-sm);
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    flex-shrink: 0;
}

.comment-save-status .status-error {
    width: var(--icon-sm);
    height: var(--icon-sm);
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    fill: none;
    flex-shrink: 0;
}

/* === Responsive === */

@media (max-width: 768px) {
    .entity-card {
        flex-direction: column;
        align-items: stretch;
    }

    .entity-card__icon {
        align-self: flex-start;
    }

    .collapsible-header-left {
        width: 100%;
        flex-wrap: wrap;
    }

    .collapsible-header-actions {
        width: 100%;
    }

    .collapsible-header-actions .btn {
        flex: 1;
        justify-content: center;
    }
}