/* ==========================================================================
   InstaSAPL - Design System & Styles
   Premium, Modern, Mobile-First Instagram-like interface
   ========================================================================== */

:root {
    /* Colors */
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent-color: #3b82f6;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --like-color: #ef4444;
    --danger-color: #dc2626;

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacings */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Radii */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
}

/* --- Dark Mode --- */
[data-theme="dark"] {
    --bg-color: #0f172a;
    --surface-color: #1e293b;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-color: #60a5fa;
    --border-color: #334155;
    --success-color: #34d399;
    --warning-color: #fbbf24;
}

/* --- Tenant Sidebar --- */
.tenant-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 56px;
    background: var(--surface-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1000;
    padding-top: 0.5rem;
}

.sidebar-header {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.sidebar-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    scrollbar-width: none;
}

.sidebar-scroll::-webkit-scrollbar { display: none; }

.tenant-item {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    text-transform: uppercase;
    flex-shrink: 0;
}

.tenant-item:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: scale(1.1);
}

.tenant-item.active {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: #fff;
}

.tenant-item[title] { position: relative; }

/* Tooltip */
.tenant-item::after {
    content: attr(title);
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-primary);
    color: var(--bg-color);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.tenant-item:hover::after { opacity: 1; }

/* Offset body content for sidebar */
.app-header,
.feed-top-section,
#feed-container,
#share-modal {
    margin-left: 56px;
}

@media (max-width: 600px) {
    .sidebar-header { display: none; }

    .sidebar-scroll {
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
        gap: 0.6rem;
        padding: 0.5rem 0;
        width: 100%;
        justify-content: center;
    }

    .tenant-item { width: 34px; height: 34px; font-size: 0.6rem; }
    .tenant-item::after { display: none; }
}

[data-theme="dark"] .app-header {
    background: rgba(15, 23, 42, 0.85);
}

[data-theme="dark"] .feed-top-section {
    background-color: var(--surface-color);
}

[data-theme="dark"] .story-avatar {
    background-color: var(--surface-color);
    border-color: var(--surface-color);
}

[data-theme="dark"] .carousel-nav-btn {
    background-color: rgba(30, 41, 59, 0.95);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-content {
    background: var(--surface-color);
}

[data-theme="dark"] #search-input {
    background-color: var(--surface-color);
    color: var(--text-primary);
}

[data-theme="dark"] .comment-input {
    color: var(--text-primary);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- Header / Navigation --- */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

#search-input {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 36px;
    font-family: var(--font-family);
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s ease;
    width: 180px;
}

#search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
    background-color: var(--surface-color);
    width: 220px;
}

.search-icon {
    position: absolute;
    left: 10px;
    color: var(--text-secondary);
    pointer-events: none;
}

/* --- Theme Toggle --- */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--bg-color);
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: rotate(15deg);
}

/* --- Main Feed --- */
#feed-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.hidden {
    display: none !important;
}

/* --- Skeleton Loading --- */
.skeleton-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    overflow: hidden;
}

.skeleton-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(90deg, var(--border-color) 25%, transparent 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    flex-shrink: 0;
}

.skeleton-meta {
    flex: 1;
}

.skeleton-line {
    height: 12px;
    background: linear-gradient(90deg, var(--border-color) 25%, transparent 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: 6px;
    margin-bottom: 8px;
}

.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.long { width: 90%; }
.skeleton-line.full { width: 100%; }

.skeleton-body {
    margin-top: var(--spacing-sm);
}

.skeleton-actions {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.skeleton-btn {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--border-color) 25%, transparent 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Post Card --- */
.post {
    position: relative;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease, border-color 0.3s ease;
    animation: fadeIn 0.5s ease-out forwards;
}

.post:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Post Header */
.post-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--accent-color);
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.author-avatar.no-photo::after {
    content: attr(data-initial);
}

.post-meta {
    flex-grow: 1;
}

.author-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.post-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Post Content */
.post-content {
    padding: var(--spacing-md);
}

.post-content-top {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.materia-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-color);
}

.materia-ementa {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.6;
    margin-top: var(--spacing-sm);
}

/* --- Type Tags --- */
.type-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    flex-shrink: 0;
}

.type-tag.pl  { background: #dbeafe; color: #1d4ed8; }
.type-tag.plo { background: #fef3c7; color: #92400e; }
.type-tag.plc { background: #ede9fe; color: #6d28d9; }
.type-tag.req { background: #fce7f3; color: #be185d; }
.type-tag.ind { background: #d1fae5; color: #065f46; }
.type-tag.moc { background: #fff7ed; color: #c2410c; }
.type-tag.dl  { background: #f0fdf4; color: #166534; }
.type-tag.pdl { background: #e0e7ff; color: #3730a3; }
.type-tag.emd { background: #fef2f2; color: #991b1b; }
.type-tag.out { background: #f1f5f9; color: #475569; }

/* Post Footer */
.post-footer-bar {
    padding: var(--spacing-xs) var(--spacing-md) var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- Status Badge --- */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: #eff6ff;
    color: #2563eb;
}

.status-badge.approved {
    background-color: #ecfdf5;
    color: var(--success-color);
}

.status-badge.rejected {
    background-color: #fef2f2;
    color: var(--danger-color);
}

/* Keep legacy .active class */
.status-badge.active {
    background-color: #ecfdf5;
    color: var(--success-color);
}

/* --- Ver no SAPL link --- */
.ver-sapl-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color);
    background: transparent;
    border: 1px solid var(--accent-color);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.ver-sapl-btn:hover {
    background: var(--accent-color);
    color: #fff;
}

.ver-sapl-btn svg {
    width: 12px;
    height: 12px;
}

/* --- Utilities --- */
.loading-spinner {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-secondary);
}

.spinner {
    width: 30px;
    height: 30px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm);
    animation: spin 1s linear infinite;
}

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

.load-more-btn {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    background-color: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: var(--spacing-xl);
}

.load-more-btn:hover {
    background-color: var(--bg-color);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

#scroll-sentinel {
    height: 1px;
    width: 100%;
}

/* --- Type Filter Chips --- */
.type-filter-container {
    position: relative;
    overflow: hidden;
}

.type-filter-container::before,
.type-filter-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 24px;
    z-index: 5;
    pointer-events: none;
}

.type-filter-container::before {
    left: 0;
    background: linear-gradient(to right, var(--surface-color), transparent);
}

.type-filter-container::after {
    right: 0;
    background: linear-gradient(to left, var(--surface-color), transparent);
}

.type-filter-wrapper {
    display: flex;
    gap: 8px;
    padding: 10px 16px;
    white-space: nowrap;
    transition: transform 0.3s ease;
}

.type-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.type-chip::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.type-chip:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

.type-chip.active {
    color: #fff;
    border-color: transparent;
    background: var(--accent-color);
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

/* Type-specific active chip colors */
.type-chip[data-type="pl"].active  { background: #1d4ed8; box-shadow: 0 2px 12px rgba(29, 78, 216, 0.35); }
.type-chip[data-type="plo"].active { background: #92400e; box-shadow: 0 2px 12px rgba(146, 64, 14, 0.35); }
.type-chip[data-type="plc"].active { background: #6d28d9; box-shadow: 0 2px 12px rgba(109, 40, 217, 0.35); }
.type-chip[data-type="req"].active { background: #be185d; box-shadow: 0 2px 12px rgba(190, 24, 93, 0.35); }
.type-chip[data-type="ind"].active { background: #065f46; box-shadow: 0 2px 12px rgba(6, 95, 70, 0.35); }
.type-chip[data-type="moc"].active { background: #c2410c; box-shadow: 0 2px 12px rgba(194, 65, 12, 0.35); }
.type-chip[data-type="dl"].active  { background: #166534; box-shadow: 0 2px 12px rgba(22, 101, 52, 0.35); }
.type-chip[data-type="pdl"].active { background: #3730a3; box-shadow: 0 2px 12px rgba(55, 48, 163, 0.35); }
.type-chip[data-type="emd"].active { background: #991b1b; box-shadow: 0 2px 12px rgba(153, 27, 27, 0.35); }
.type-chip[data-type="out"].active { background: #475569; box-shadow: 0 2px 12px rgba(71, 85, 105, 0.35); }

/* Chip press animation */
.type-chip:active {
    transform: scale(0.95);
}

/* Active count badge on the filter container */
.type-filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 10px;
    background: var(--accent-color);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    margin-left: 4px;
    animation: fadeIn 0.3s ease;
}

/* --- Post Card Lateral Gradient by Type --- */
.post[data-type="pl"]  { border-left: 4px solid #1d4ed8; }
.post[data-type="plo"] { border-left: 4px solid #92400e; }
.post[data-type="plc"] { border-left: 4px solid #6d28d9; }
.post[data-type="req"] { border-left: 4px solid #be185d; }
.post[data-type="ind"] { border-left: 4px solid #065f46; }
.post[data-type="moc"] { border-left: 4px solid #c2410c; }
.post[data-type="dl"]  { border-left: 4px solid #166534; }
.post[data-type="pdl"] { border-left: 4px solid #3730a3; }
.post[data-type="emd"] { border-left: 4px solid #991b1b; }
.post[data-type="out"] { border-left: 4px solid #475569; }

/* Subtle gradient overlay behind lateral border */
.post[data-type]::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 60px;
    pointer-events: none;
    opacity: 0.04;
    transition: opacity 0.3s ease;
}

.post[data-type="pl"]::before  { background: linear-gradient(90deg, #1d4ed8, transparent); }
.post[data-type="plo"]::before { background: linear-gradient(90deg, #92400e, transparent); }
.post[data-type="plc"]::before { background: linear-gradient(90deg, #6d28d9, transparent); }
.post[data-type="req"]::before { background: linear-gradient(90deg, #be185d, transparent); }
.post[data-type="ind"]::before { background: linear-gradient(90deg, #065f46, transparent); }
.post[data-type="moc"]::before { background: linear-gradient(90deg, #c2410c, transparent); }
.post[data-type="dl"]::before  { background: linear-gradient(90deg, #166534, transparent); }
.post[data-type="pdl"]::before { background: linear-gradient(90deg, #3730a3, transparent); }
.post[data-type="emd"]::before { background: linear-gradient(90deg, #991b1b, transparent); }
.post[data-type="out"]::before { background: linear-gradient(90deg, #475569, transparent); }

.post[data-type]:hover::before {
    opacity: 0.08;
}

/* No results for filter */
.no-filter-results {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--text-secondary);
}

.no-filter-results svg {
    width: 48px;
    height: 48px;
    color: var(--border-color);
    margin-bottom: var(--spacing-md);
}

.no-filter-results p {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.no-filter-results .filter-reset-btn {
    background: none;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 8px 20px;
    border-radius: 20px;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    margin-top: var(--spacing-sm);
    transition: all 0.2s ease;
}

.no-filter-results .filter-reset-btn:hover {
    background: var(--accent-color);
    color: #fff;
}

/* --- Stories Filter --- */
.feed-top-section {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.stories-carousel-container {
    position: relative;
    overflow: hidden;
}

.stories-carousel-container::before,
.stories-carousel-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 32px;
    z-index: 5;
    pointer-events: none;
}

.stories-carousel-container::before {
    left: 0;
    background: linear-gradient(to right, var(--surface-color), transparent);
}

.stories-carousel-container::after {
    right: 0;
    background: linear-gradient(to left, var(--surface-color), transparent);
}

.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s;
    font-size: 14px;
}

.carousel-nav-btn:hover {
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.carousel-nav-btn.prev { left: 8px; }
.carousel-nav-btn.next { right: 8px; }
.carousel-nav-btn.hidden { display: none !important; }

.stories-wrapper {
    padding: var(--spacing-md);
    overflow: hidden;
    position: relative;
}


/* --- Post Actions (Like, Comment, Share) --- */
.post-actions {
    display: flex;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    transition: transform 0.2s, color 0.2s;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    transform: scale(1.1);
}

/* --- Like Animation --- */
.like-btn.liked {
    color: var(--like-color);
}

.like-btn.pop {
    animation: likePop 0.45s cubic-bezier(0.17, 0.89, 0.32, 1.49);
}

@keyframes likePop {
    0%   { transform: scale(1); }
    30%  { transform: scale(1.35); }
    60%  { transform: scale(0.9); }
    100% { transform: scale(1); }
}

/* --- Interaction Counter --- */
.interaction-counter {
    padding: 0 var(--spacing-md) var(--spacing-xs);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* --- Comments Section --- */
.comments-section {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.comments-list {
    max-height: 150px;
    overflow-y: auto;
    margin-bottom: var(--spacing-sm);
}

.comment-item {
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.comment-author {
    font-weight: 600;
    margin-right: 4px;
}

.comment-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 4px;
}

.comment-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2px 10px;
    align-items: center;
}

.comment-input {
    flex-grow: 1;
    border: none;
    padding: var(--spacing-sm) 0;
    font-size: 0.9rem;
    outline: none;
    background: transparent;
    font-family: var(--font-family);
    color: var(--text-primary);
}

.post-comment-btn {
    background: none;
    border: none;
    color: var(--accent-color);
    font-weight: 600;
    cursor: pointer;
    padding: var(--spacing-sm);
    font-family: var(--font-family);
}

/* --- Modal Styles --- */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 350px;
    padding: var(--spacing-lg);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: translateY(0);
    transition: transform 0.3s, background 0.3s;
}

.modal.hidden .modal-content {
    transform: translateY(20px);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.modal-header button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.share-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.share-option {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: transparent;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
    font-size: 1rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.share-option:hover {
    background: var(--bg-color);
}

.share-option-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* --- Stories --- */
.stories-list {
    display: flex;
    list-style: none;
    padding: 0;
    gap: 8px;
    transition: transform 0.3s ease;
}

.story-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    width: 64px;
    flex-shrink: 0;
    transition: transform 0.2s;
}

.story-item:hover {
    transform: scale(1.05);
}

.story-avatar-container {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    padding: 2px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.story-item.active .story-avatar-container {
    background: var(--success-color);
    animation: ringPulse 2s ease-in-out infinite;
}

@keyframes ringPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50%      { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

.story-item.all .story-avatar-container {
    background: var(--border-color);
}

.story-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--surface-color);
    background-size: cover;
    background-position: center;
    border: 1.5px solid var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--accent-color);
    font-size: 1.2rem;
    flex-shrink: 0;
    aspect-ratio: 1;
}

.story-name {
    font-size: 0.7rem;
    font-weight: 500;
    margin-top: 6px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    width: 100%;
    text-align: center;
    color: var(--text-primary);
}

/* --- Toast Notifications --- */
#toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    pointer-events: none;
}

.toast {
    background: var(--text-primary);
    color: var(--bg-color);
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font-family);
    animation: toastIn 0.3s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    pointer-events: auto;
    max-width: 90vw;
    text-align: center;
}

.toast.toast-success { background: #059669; color: #fff; }
.toast.toast-error   { background: #dc2626; color: #fff; }

.toast.fade-out {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(16px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to   { opacity: 0; transform: translateY(16px) scale(0.95); }
}

/* --- Double-tap Heart Overlay --- */
.double-tap-heart {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    z-index: 50;
    pointer-events: none;
    animation: doubleTapHeart 0.8s ease forwards;
}

.double-tap-heart svg {
    width: 80px;
    height: 80px;
    fill: var(--like-color);
    filter: drop-shadow(0 4px 12px rgba(239, 68, 68, 0.4));
}

@keyframes doubleTapHeart {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 1; }
    15%  { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
    30%  { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    70%  { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

/* --- Read More --- */
.materia-ementa.clamped {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 0;
    margin-top: 4px;
    transition: color 0.2s;
}

.read-more-btn:hover {
    color: var(--accent-color);
}

/* --- Feed Transitions --- */
#posts-wrapper.transitioning .post {
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.post.entering {
    opacity: 0;
    transform: translateY(20px);
    animation: postEnter 0.4s ease forwards;
}

@keyframes postEnter {
    to { opacity: 1; transform: translateY(0); }
}

/* --- Pull to Refresh --- */
.pull-indicator {
    position: fixed;
    top: 64px;
    left: 50%;
    transform: translateX(-50%) translateY(-60px);
    z-index: 200;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, opacity 0.2s ease;
    opacity: 0;
    pointer-events: none;
}

.pull-indicator.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.pull-indicator.refreshing .pull-spinner {
    animation: spin 0.8s linear infinite;
}

.pull-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    transition: transform 0.1s ease;
}

/* --- Bottom Navigation (mobile) --- */
.bottom-nav {
    display: none;
}

/* --- Tenant Drawer --- */
.tenant-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.tenant-drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.tenant-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-color);
    border-radius: 20px 20px 0 0;
    z-index: 1101;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 60vh;
    overflow-y: auto;
    padding: var(--spacing-lg);
    padding-bottom: 72px;
}

.tenant-drawer-overlay.open .tenant-drawer {
    transform: translateY(0);
}

.tenant-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.tenant-drawer-header h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
}

.tenant-drawer-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
}

.tenant-drawer-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.tenant-drawer-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.tenant-drawer-item:hover {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.05);
}

.tenant-drawer-item.active {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    font-weight: 600;
}

.tenant-drawer-item .tenant-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.tenant-drawer-item.active .tenant-icon {
    background: var(--accent-color);
    color: #fff;
}

@media (max-width: 600px) {
    .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 56px;
        background: var(--surface-color);
        border-top: 1px solid var(--border-color);
        justify-content: space-around;
        align-items: center;
        z-index: 1000;
        padding: 0 var(--spacing-sm);
    }

    .bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        background: none;
        border: none;
        cursor: pointer;
        color: var(--text-secondary);
        padding: 6px 12px;
        border-radius: var(--border-radius-sm);
        transition: color 0.2s, transform 0.2s;
        font-family: var(--font-family);
    }

    .bottom-nav-item:active {
        transform: scale(0.9);
    }

    .bottom-nav-item.active {
        color: var(--accent-color);
    }

    .bottom-nav-label {
        font-size: 0.6rem;
        font-weight: 600;
        letter-spacing: 0.3px;
    }

    .tenant-sidebar {
        display: none !important;
    }

    .app-header,
    .feed-top-section,
    #feed-container,
    #share-modal {
        margin-left: 0;
    }

    #feed-container {
        padding-bottom: 72px;
    }

    .stories-wrapper {
        padding: 8px 4px;
    }

    .stories-carousel-container::before,
    .stories-carousel-container::after {
        width: 16px;
    }

    .type-filter-wrapper {
        padding: 8px 8px;
    }

    .type-filter-container::before,
    .type-filter-container::after {
        width: 12px;
    }

    .carousel-nav-btn {
        width: 26px;
        height: 26px;
        font-size: 12px;
    }

    .carousel-nav-btn.prev { left: 4px; }
    .carousel-nav-btn.next { right: 4px; }
}

[data-theme="dark"] .bottom-nav {
    background: rgba(15, 23, 42, 0.95);
}

[data-theme="dark"] .tenant-drawer {
    background: var(--surface-color);
}

[data-theme="dark"] .pull-indicator {
    background: var(--surface-color);
}

/* --- Post Visual Banner (generative) --- */
.post-visual-banner {
    height: 6px;
    width: 100%;
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
    opacity: 0.85;
}

.post-visual-banner[data-type="pl"]  { background: linear-gradient(90deg, #1d4ed8, #60a5fa); }
.post-visual-banner[data-type="plo"] { background: linear-gradient(90deg, #92400e, #fbbf24); }
.post-visual-banner[data-type="plc"] { background: linear-gradient(90deg, #6d28d9, #a78bfa); }
.post-visual-banner[data-type="req"] { background: linear-gradient(90deg, #be185d, #f472b6); }
.post-visual-banner[data-type="ind"] { background: linear-gradient(90deg, #065f46, #34d399); }
.post-visual-banner[data-type="moc"] { background: linear-gradient(90deg, #c2410c, #fb923c); }
.post-visual-banner[data-type="dl"]  { background: linear-gradient(90deg, #166534, #4ade80); }
.post-visual-banner[data-type="pdl"] { background: linear-gradient(90deg, #3730a3, #818cf8); }
.post-visual-banner[data-type="emd"] { background: linear-gradient(90deg, #991b1b, #f87171); }
.post-visual-banner[data-type="out"] { background: linear-gradient(90deg, #475569, #94a3b8); }

/* --- Bookmark Button --- */
.bookmark-btn {
    margin-left: auto;
}

.bookmark-btn.bookmarked {
    color: var(--accent-color);
}

.bookmark-btn.pop {
    animation: likePop 0.45s cubic-bezier(0.17, 0.89, 0.32, 1.49);
}

/* --- Reaction Picker --- */
.reaction-picker {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    display: flex;
    gap: 4px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    padding: 6px 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    z-index: 60;
    animation: reactionPickerIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes reactionPickerIn {
    from { opacity: 0; transform: scale(0.8) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.reaction-option {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 50%;
    transition: transform 0.15s, background 0.15s;
    line-height: 1;
}

.reaction-option:hover {
    transform: scale(1.35);
    background: var(--bg-color);
}

/* --- New Posts Banner --- */
.new-posts-banner {
    position: sticky;
    top: 64px;
    z-index: 50;
    display: flex;
    justify-content: center;
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-sm);
    animation: fadeIn 0.3s ease;
}

.new-posts-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-family: var(--font-family);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.new-posts-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.new-posts-btn:active {
    transform: scale(0.95);
}

[data-theme="dark"] .reaction-picker {
    background: var(--surface-color);
    border-color: var(--border-color);
}

/* --- Onboarding --- */
.onboarding-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.onboarding-tooltip {
    position: absolute;
    background: var(--surface-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
    max-width: 280px;
    text-align: center;
    animation: postEnter 0.4s ease forwards;
}

.onboarding-tooltip p {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.onboarding-next {
    background: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 20px;
    padding: 8px 20px;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.onboarding-next:hover {
    transform: scale(1.05);
}

.onboarding-skip {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 0.8rem;
    cursor: pointer;
    margin-left: 8px;
    padding: 8px;
}

.onboarding-skip:hover {
    color: var(--text-primary);
}

/* --- Ripple Effect --- */
.action-btn,
.type-chip,
.bottom-nav-item {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.15;
    transform: scale(0);
    animation: rippleAnim 0.5s ease-out;
    pointer-events: none;
}

@keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
}

/* --- Focus Visible --- */
:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.action-btn:focus-visible,
.type-chip:focus-visible,
.bottom-nav-item:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .post:hover {
        transform: none;
    }

    .skeleton-avatar,
    .skeleton-line,
    .skeleton-btn {
        animation: none;
        background: var(--border-color);
    }
}

/* --- Empty State (improved) --- */
.error-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--text-secondary);
}

.error-state svg {
    width: 64px;
    height: 64px;
    color: var(--border-color);
    margin-bottom: var(--spacing-md);
}

.error-state p {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.error-state .error-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.error-state button {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    border-radius: 20px;
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.error-state button:hover {
    background: var(--accent-color);
    color: #fff;
}

/* --- Responsive --- */
@media (max-width: 480px) {
    #search-input {
        width: 120px;
    }
    #search-input:focus {
        width: 160px;
    }
    .logo h1 {
        font-size: 1.1rem;
    }
}