/**
 * Echoes of the Past - Historical Photo & Discussion Archive Stylesheet
 * Supports multi-theme inheritance (Classic, Modern, Prestige, Vibrant)
 * Facebook-style social feeds, lightbox modals, threaded discussions & new comment highlights
 */

:root {
    --archive-primary: #18d26e;
    --archive-primary-hover: #15b75f;
    --archive-primary-rgb: 24, 210, 110;
    --archive-accent: #059669;
    --archive-bg: #f8fafc;
    --archive-header-bg: #0b1a13;
    --archive-card-bg: #ffffff;
    --archive-card-border: #e2e8f0;
    --archive-text-main: #0f172a;
    --archive-text-muted: #64748b;
    --archive-text-inverse: #ffffff;
    --archive-hero-grad: linear-gradient(135deg, #0b1a13 0%, #11291f 100%);
    --archive-highlight: #fef3c7;
    --archive-highlight-border: #f59e0b;
    --archive-badge-bg: rgba(24, 210, 110, 0.12);
    --archive-badge-text: #047857;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Theme: Classic Heritage */
body.theme-classic {
    --archive-primary: #18d26e;
    --archive-primary-hover: #15b75f;
    --archive-primary-rgb: 24, 210, 110;
    --archive-accent: #059669;
    --archive-bg: #f8fafc;
    --archive-header-bg: #0b1a13;
    --archive-card-bg: #ffffff;
    --archive-card-border: #e2e8f0;
    --archive-text-main: #0f172a;
    --archive-text-muted: #64748b;
    --archive-hero-grad: linear-gradient(135deg, #0b1a13 0%, #11291f 100%);
    --archive-badge-bg: rgba(24, 210, 110, 0.12);
    --archive-badge-text: #047857;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Theme: Modern Executive */
body.theme-modern {
    --archive-primary: #2563eb;
    --archive-primary-hover: #1d4ed8;
    --archive-primary-rgb: 37, 99, 235;
    --archive-accent: #3b82f6;
    --archive-bg: #f1f5f9;
    --archive-header-bg: #0f172a;
    --archive-card-bg: #ffffff;
    --archive-card-border: #cbd5e1;
    --archive-text-main: #0f172a;
    --archive-text-muted: #475569;
    --archive-hero-grad: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --archive-badge-bg: rgba(37, 99, 235, 0.1);
    --archive-badge-text: #1d4ed8;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Theme: Prestige Noble */
body.theme-prestige {
    --archive-primary: #d4af37;
    --archive-primary-hover: #b8972e;
    --archive-primary-rgb: 212, 175, 55;
    --archive-accent: #f59e0b;
    --archive-bg: #080b11;
    --archive-header-bg: #070a10;
    --archive-card-bg: #111827;
    --archive-card-border: rgba(212, 175, 55, 0.2);
    --archive-text-main: #f9fafb;
    --archive-text-muted: #9ca3af;
    --archive-hero-grad: linear-gradient(135deg, #070a10 0%, #111827 50%, #1a1505 100%);
    --archive-highlight: rgba(212, 175, 55, 0.15);
    --archive-highlight-border: #d4af37;
    --archive-badge-bg: rgba(212, 175, 55, 0.15);
    --archive-badge-text: #fde68a;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Lora', Georgia, serif;
}

/* Theme: Vibrant Dynamic */
body.theme-vibrant {
    --archive-primary: #f43f5e;
    --archive-primary-hover: #e11d48;
    --archive-primary-rgb: 244, 63, 94;
    --archive-accent: #f97316;
    --archive-bg: #fff5f5;
    --archive-header-bg: #1e1b4b;
    --archive-card-bg: #ffffff;
    --archive-card-border: #fecdd3;
    --archive-text-main: #1e293b;
    --archive-text-muted: #64748b;
    --archive-hero-grad: linear-gradient(135deg, #1e1b4b 0%, #311042 50%, #4c0519 100%);
    --archive-badge-bg: rgba(244, 63, 94, 0.1);
    --archive-badge-text: #be123c;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

/* Base Reset & Typography */
body.echoes-portal {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    background-color: var(--archive-bg);
    color: var(--archive-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.echoes-portal h1,
.echoes-portal h2,
.echoes-portal h3,
.echoes-portal h4,
.echoes-portal h5,
.echoes-portal h6 {
    font-family: var(--font-heading);
    letter-spacing: -0.01em;
}

/* Top Navigation Bar */
.echoes-topbar {
    background: var(--archive-header-bg);
    color: #ffffff;
    padding: 14px 24px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.18);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.echoes-topbar .brand-col {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: #ffffff;
}

.echoes-topbar .brand-logo {
    max-height: 48px;
    max-width: 48px;
    border-radius: 8px;
    object-fit: contain;
    background: rgba(255,255,255,0.06);
    padding: 2px;
}

.echoes-topbar .brand-info h1 {
    font-size: 18px;
    margin: 0;
    color: #ffffff;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.echoes-topbar .brand-info span {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    display: block;
}

.echoes-topbar .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-archive {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-archive-primary {
    background: var(--archive-primary);
    color: #ffffff;
}
.btn-archive-primary:hover {
    background: var(--archive-primary-hover);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(var(--archive-primary-rgb), 0.35);
    transform: translateY(-1px);
}

.btn-archive-outline {
    background: rgba(255,255,255,0.08);
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.18);
}
.btn-archive-outline:hover {
    background: rgba(255,255,255,0.18);
    color: #ffffff;
}

/* Hero Banner */
.echoes-hero {
    background: var(--archive-hero-grad);
    color: #ffffff;
    padding: 56px 24px 44px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.echoes-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 30%, rgba(var(--archive-primary-rgb), 0.15), transparent 70%);
    pointer-events: none;
}

.echoes-hero-content {
    max-width: 840px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.echoes-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 9999px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #ffffff;
    margin-bottom: 18px;
}

.echoes-hero h2 {
    font-size: 38px;
    font-weight: 800;
    margin: 0 0 12px;
    line-height: 1.15;
    color: #ffffff;
}

.echoes-hero p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    margin: 0 auto 24px;
    max-width: 680px;
}

.echoes-hero-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.echoes-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.echoes-stat-item strong {
    font-size: 24px;
    font-weight: 800;
    color: var(--archive-primary);
}
.echoes-stat-item span {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Multi-criteria Filter & Grouping Toolbar */
.echoes-toolbar-wrap {
    position: sticky;
    top: 76px;
    z-index: 900;
    background: var(--archive-card-bg);
    border-bottom: 1px solid var(--archive-card-border);
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    padding: 16px 24px;
    transition: background-color 0.2s;
}

.echoes-toolbar {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toolbar-primary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.search-box-wrap {
    position: relative;
    flex: 1;
    min-width: 260px;
    max-width: 440px;
}

.search-box-wrap input {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 14px 10px 38px;
    border-radius: 10px;
    border: 1px solid var(--archive-card-border);
    background: var(--archive-bg);
    color: var(--archive-text-main);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}
.search-box-wrap input:focus {
    border-color: var(--archive-primary);
    box-shadow: 0 0 0 3px rgba(var(--archive-primary-rgb), 0.15);
}

.search-box-wrap .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--archive-text-muted);
    font-size: 16px;
    pointer-events: none;
}

.toolbar-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-select {
    padding: 9px 14px;
    border-radius: 8px;
    border: 1px solid var(--archive-card-border);
    background: var(--archive-bg);
    color: var(--archive-text-main);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
}
.filter-select:focus {
    border-color: var(--archive-primary);
}

/* Filter Pills Row (Eras, Events, Subjects) */
.toolbar-pills-row {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
}

.pill-group-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--archive-text-muted);
    margin-right: 4px;
    white-space: nowrap;
}

.archive-pill {
    padding: 5px 14px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    background: var(--archive-bg);
    border: 1px solid var(--archive-card-border);
    color: var(--archive-text-muted);
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.archive-pill:hover {
    color: var(--archive-text-main);
    border-color: var(--archive-primary);
}
.archive-pill.active {
    background: var(--archive-primary);
    color: #ffffff;
    border-color: var(--archive-primary);
    box-shadow: 0 2px 6px rgba(var(--archive-primary-rgb), 0.3);
}

/* Main Container & Layout */
.echoes-main {
    max-width: 1280px;
    margin: 32px auto;
    padding: 0 20px;
}

/* Feed & Grid Layouts */
.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

.photos-feed {
    max-width: 680px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Modern / Facebook Style Photo Card */
.archive-card {
    background: var(--archive-card-bg);
    border: 1px solid var(--archive-card-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.archive-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    border-color: rgba(var(--archive-primary-rgb), 0.35);
}

/* Card Header */
.card-header-bar {
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--archive-card-border);
}

.card-uploader-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--archive-badge-bg);
    color: var(--archive-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.card-meta-text {
    display: flex;
    flex-direction: column;
}

.card-uploader-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--archive-text-main);
    line-height: 1.2;
}

.card-timestamp {
    font-size: 11px;
    color: var(--archive-text-muted);
}

/* Multi-criteria Badge Cluster */
.card-criteria-cluster {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.badge-era {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    background: var(--archive-badge-bg);
    color: var(--archive-badge-text);
}

.badge-event {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(148, 163, 184, 0.15);
    color: var(--archive-text-muted);
}

/* Image Container */
.card-image-wrap {
    position: relative;
    width: 100%;
    height: 280px;
    background: #000000;
    cursor: pointer;
    overflow: hidden;
}

.card-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.card-image-wrap:hover img {
    transform: scale(1.03);
}

.card-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.6) 100%);
    display: flex;
    align-items: flex-end;
    padding: 12px 16px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.card-image-wrap:hover .card-image-overlay {
    opacity: 1;
}

.card-image-overlay span {
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* NEW COMMENTS GLOWING BADGE ON CARD */
.badge-has-new-comments {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 9999px;
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.6);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

/* Card Body */
.card-content-body {
    padding: 16px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--archive-text-main);
    margin: 0 0 8px;
    line-height: 1.3;
}

.card-description {
    font-size: 13px;
    color: var(--archive-text-muted);
    line-height: 1.5;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-subject-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--archive-primary);
    margin-bottom: 12px;
}

/* Card Action Bar */
.card-action-bar {
    padding: 12px 18px;
    border-top: 1px solid var(--archive-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.015);
}

.card-stat-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

.btn-card-action {
    background: none;
    border: none;
    padding: 6px 10px;
    border-radius: 8px;
    color: var(--archive-text-muted);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.btn-card-action:hover {
    color: var(--archive-primary);
    background: var(--archive-badge-bg);
}

.btn-card-action.has-new-comments {
    color: #b45309;
    background: #fef3c7;
    border: 1px solid #fde68a;
    font-weight: 700;
}

/* Facebook-Style Split-Pane Lightbox Modal */
.echoes-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 10000000 !important;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.echoes-modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.echoes-modal-dialog {
    width: 95vw;
    max-width: 1320px;
    height: 88vh;
    background: var(--archive-card-bg);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    border: 1px solid var(--archive-card-border);
}

/* Left Pane: Theater Photo Display */
.modal-photo-pane {
    flex: 1.35;
    background: #000000;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.modal-photo-pane img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
}

.modal-photo-meta-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0) 100%);
    padding: 30px 24px 18px;
    color: #ffffff;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.modal-photo-meta-bar h3 {
    margin: 0 0 4px;
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
}

.modal-photo-meta-bar p {
    margin: 0;
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}

/* Right Pane: Discussion & Threaded Comments */
.modal-discussion-pane {
    flex: 1;
    min-width: 380px;
    max-width: 480px;
    height: 100%;
    background: var(--archive-card-bg);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--archive-card-border);
    position: relative;
    overflow: hidden;
}

.discussion-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--archive-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.discussion-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--archive-text-main);
}

.btn-close-modal {
    background: none;
    border: none;
    font-size: 22px;
    color: var(--archive-text-muted);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    border-radius: 6px;
    transition: all 0.2s;
}
.btn-close-modal:hover {
    color: var(--archive-text-main);
    background: var(--archive-bg);
}

/* Photo Full Details in Discussion Panel */
.discussion-photo-info {
    padding: 16px 22px;
    border-bottom: 1px solid var(--archive-card-border);
    background: rgba(0,0,0,0.015);
}

.discussion-photo-info .detail-title {
    font-size: 17px;
    font-weight: 800;
    margin: 0 0 6px;
    color: var(--archive-text-main);
}

.discussion-photo-info .detail-desc {
    font-size: 13px;
    color: var(--archive-text-muted);
    margin: 0 0 10px;
    line-height: 1.5;
}

.discussion-photo-tags {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

/* Scrollable Comment Feed */
.discussion-comments-list {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding: 18px 22px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
    overscroll-behavior: contain;
}

/* Floating Jump to Latest Button */
.btn-jump-latest {
    position: absolute;
    bottom: 90px;
    right: 22px;
    background: var(--archive-primary);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 9999px;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    z-index: 15;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    animation: echoesFadeIn 0.2s ease-out;
}

.btn-jump-latest:hover {
    background: var(--archive-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-jump-latest i {
    font-size: 10px;
}

/* Threaded Comment Items */
.comment-thread-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.comment-bubble-wrap {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.comment-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--archive-badge-bg);
    color: var(--archive-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
}

.comment-bubble {
    background: var(--archive-bg);
    border: 1px solid var(--archive-card-border);
    border-radius: 12px;
    padding: 10px 14px;
    flex: 1;
    position: relative;
    transition: all 0.2s ease;
}

/* NEW COMMENT HIGHLIGHT INDICATOR (< 24 HOURS) */
.comment-bubble.is-new {
    background: var(--archive-highlight);
    border-color: var(--archive-highlight-border);
    border-left: 4px solid var(--archive-highlight-border);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.15);
}

.comment-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
    gap: 8px;
}

.comment-author-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--archive-text-main);
}

.badge-new-pill {
    background: #f59e0b;
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.comment-time {
    font-size: 11px;
    color: var(--archive-text-muted);
}

.comment-text {
    font-size: 13px;
    color: var(--archive-text-main);
    line-height: 1.45;
    margin: 0;
    word-break: break-word;
}

.comment-action-links {
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 11px;
}

.comment-action-links a {
    color: var(--archive-text-muted);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}
.comment-action-links a:hover {
    color: var(--archive-primary);
}

.comment-action-links .btn-delete-comment {
    color: #ef4444;
}
.comment-action-links .btn-delete-comment:hover {
    color: #b91c1c;
}

/* Nested Reply Items */
.comment-replies-wrap {
    margin-left: 28px;
    padding-left: 12px;
    border-left: 2px solid var(--archive-card-border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.reply-input-wrap {
    margin-top: 8px;
    margin-left: 28px;
    display: none;
}
.reply-input-wrap.active {
    display: block;
}

/* Sticky Comment Input Bar at Bottom */
.discussion-input-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--archive-card-border);
    background: var(--archive-card-bg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.comment-author-inputs {
    display: flex;
    gap: 10px;
}

.comment-author-inputs input {
    flex: 1;
    padding: 7px 12px;
    border-radius: 8px;
    border: 1px solid var(--archive-card-border);
    background: var(--archive-bg);
    color: var(--archive-text-main);
    font-size: 12px;
    outline: none;
}

.comment-input-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.comment-textarea {
    flex: 1;
    min-height: 42px;
    max-height: 120px;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--archive-card-border);
    background: var(--archive-bg);
    color: var(--archive-text-main);
    font-size: 13px;
    font-family: inherit;
    resize: none;
    outline: none;
    line-height: 1.4;
}
.comment-textarea:focus {
    border-color: var(--archive-primary);
}

.btn-send-comment {
    background: var(--archive-primary);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}
.btn-send-comment:hover {
    background: var(--archive-primary-hover);
    transform: scale(1.05);
}

/* Member Authentication & Gating Styles */
.nav-auth-wrap {
    display: flex;
    align-items: center;
}

.echoes-member-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--archive-card-bg);
    border: 1px solid var(--archive-card-border);
    padding: 4px 12px 4px 6px;
    border-radius: 9999px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.member-avatar-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--archive-primary), var(--archive-primary-hover));
    color: #ffffff;
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.member-chip-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.member-chip-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--archive-text-main);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.badge-role-tag {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--archive-primary);
    letter-spacing: 0.5px;
}

.btn-chip-signout {
    background: none;
    border: none;
    color: var(--archive-text-muted);
    font-size: 13px;
    cursor: pointer;
    padding: 4px 6px;
    margin-left: 4px;
    border-radius: 6px;
    transition: all 0.2s;
}

.btn-chip-signout:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* Discussion Auth Gates */
.echoes-auth-gate {
    background: var(--archive-card-bg);
    border: 1px dashed var(--archive-card-border);
    border-radius: 12px;
    padding: 16px 18px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.echoes-auth-gate.echoes-gate-warning {
    border-color: rgba(245, 158, 11, 0.5);
    background: rgba(245, 158, 11, 0.05);
}

.auth-gate-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(var(--archive-primary-rgb), 0.12);
    color: var(--archive-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.echoes-gate-warning .auth-gate-icon {
    background: rgba(245, 158, 11, 0.15);
    color: #d97706;
}

.auth-gate-content {
    flex: 1;
}

.auth-gate-content h5 {
    font-size: 14px;
    font-weight: 700;
    margin: 0 0 4px;
    color: var(--archive-text-main);
}

.auth-gate-content p {
    font-size: 12px;
    color: var(--archive-text-muted);
    margin: 0 0 12px;
    line-height: 1.4;
}

.auth-gate-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.auth-gate-actions .btn-archive {
    padding: 6px 14px;
    font-size: 12px;
}

/* Active Member Commenting Badge */
.comment-author-badge-row {
    margin-bottom: 6px;
}

.posting-as-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(var(--archive-primary-rgb), 0.08);
    border: 1px solid rgba(var(--archive-primary-rgb), 0.2);
    padding: 3px 10px 3px 5px;
    border-radius: 9999px;
}

.posting-as-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--archive-primary);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.posting-as-details {
    display: flex;
    align-items: center;
    gap: 6px;
}

.posting-as-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--archive-text-main);
}

/* In-Page Member Quick Login Modal */
.echoes-auth-dialog-backdrop {
    z-index: 10000001 !important;
}

.echoes-auth-card {
    background: var(--archive-card-bg);
    border: 1px solid var(--archive-card-border);
    border-radius: 20px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.3);
    overflow: hidden;
    animation: echoesFadeIn 0.25s ease-out;
    margin: auto;
}

.auth-card-header {
    padding: 20px 24px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--archive-card-border);
}

.auth-header-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 17px;
    font-weight: 800;
    color: var(--archive-text-main);
}

.auth-card-body {
    padding: 24px;
}

.auth-card-subtitle {
    font-size: 13px;
    color: var(--archive-text-muted);
    margin: 0 0 18px;
    line-height: 1.5;
}

.auth-error-alert {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
    line-height: 1.4;
}

.form-group-auth {
    margin-bottom: 14px;
}

.form-group-auth label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--archive-text-main);
    margin-bottom: 6px;
}

.form-group-auth label i {
    color: var(--archive-primary);
    margin-right: 4px;
}

.form-control-auth {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--archive-card-border);
    background: var(--archive-bg);
    color: var(--archive-text-main);
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.form-control-auth:focus {
    border-color: var(--archive-primary);
    box-shadow: 0 0 0 3px rgba(var(--archive-primary-rgb), 0.2);
}

.form-auth-links {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 18px;
}

.form-auth-links a {
    font-size: 12px;
    color: var(--archive-primary);
    text-decoration: none;
    font-weight: 600;
}

.form-auth-links a:hover {
    text-decoration: underline;
}

.btn-auth-submit {
    width: 100%;
    padding: 12px;
    font-size: 14px;
    font-weight: 700;
    border-radius: 10px;
    justify-content: center;
}

.auth-card-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--archive-card-border);
    text-align: center;
    font-size: 12px;
    color: var(--archive-text-muted);
}

.auth-card-footer a {
    color: var(--archive-primary);
    font-weight: 700;
    text-decoration: none;
    margin-left: 4px;
}

.auth-card-footer a:hover {
    text-decoration: underline;
}

/* Empty State */
.echoes-empty-state {
    text-align: center;
    padding: 60px 20px;
    max-width: 500px;
    margin: 0 auto;
}
.echoes-empty-state i {
    font-size: 56px;
    color: var(--archive-text-muted);
    margin-bottom: 16px;
}
.echoes-empty-state h3 {
    font-size: 20px;
    margin: 0 0 8px;
    color: var(--archive-text-main);
}
.echoes-empty-state p {
    font-size: 14px;
    color: var(--archive-text-muted);
    margin: 0 0 20px;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .echoes-modal-dialog {
        flex-direction: column;
        height: 94vh;
        width: 96vw;
    }
    .modal-photo-pane {
        flex: 1;
        max-height: 45vh;
    }
    .modal-discussion-pane {
        flex: 1.2;
        min-width: 100%;
        max-width: 100%;
        border-left: none;
        border-top: 1px solid var(--archive-card-border);
    }
    .echoes-hero h2 {
        font-size: 28px;
    }
}

@media (max-width: 600px) {
    .photos-grid {
        grid-template-columns: 1fr;
    }
    .echoes-topbar {
        padding: 12px 16px;
    }
    .echoes-toolbar-wrap {
        padding: 12px 16px;
    }
    .toolbar-primary-row {
        flex-direction: column;
        align-items: stretch;
    }
    .search-box-wrap {
        max-width: 100%;
    }
}

/* ==========================================================================
   UNIVERSAL LOGO & HEADER SAFEGUARDS (Prevents unconstrained image distortion)
   ========================================================================== */
.vc-logo-wrap, .brand-logo, .navbar-brand, .assoc-brand, .vc-brand {
    max-height: 52px;
    display: inline-flex !important;
    align-items: center !important;
}
.vc-logo-img, .logo img, .navbar-brand img, .assoc-brand img, .brand-logo img, header .logo-img, .vc-logo-wrap img {
    max-height: 48px !important;
    max-width: 220px !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
}

/* ==========================================================================
   DEEP-LINK TARGET PHOTO HIGHLIGHT & ANIMATION
   ========================================================================== */
.archive-card.photo-card-highlighted {
    border: 2px solid var(--archive-primary) !important;
    box-shadow: 0 0 0 4px rgba(var(--archive-primary-rgb), 0.3), 0 16px 36px rgba(0,0,0,0.15) !important;
    transform: translateY(-4px) scale(1.01);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    animation: photoCardPulse 2.5s ease-in-out infinite;
}
@keyframes photoCardPulse {
    0%, 100% {
        box-shadow: 0 0 0 4px rgba(var(--archive-primary-rgb), 0.3), 0 16px 36px rgba(0,0,0,0.15);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(var(--archive-primary-rgb), 0.55), 0 20px 42px rgba(0,0,0,0.22);
    }
}

/* ==========================================================================
   TOAST NOTIFICATION FOR LINK SHARING
   ========================================================================== */
.echoes-toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(40px);
    background: #0f172a;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 9999px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 999999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255,255,255,0.18);
}
.echoes-toast.active {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}
.echoes-toast i {
    color: #10b981;
    font-size: 16px;
}