/* AI Fiction in the Wild(Chat) - Pudding-Inspired Styles */

:root {
    /* Typography — just 2 fonts: serif for prose, sans for UI */
    --font-serif: "Source Serif 4", "Iowan Old Style", "Times New Roman", Times, serif;
    --font-sans: "Work Sans", -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;

    /* Colors */
    --color-bg: #ffffff;
    --color-bg-warm: #fafaf8;
    --color-fg: #2e2e2e;
    --color-fg-light: #6b6b6b;
    --color-border: #d4d4d4;
    --color-border-light: #e8e8e8;
    --color-selection: #e8e8e8;
    --color-link: #2e2e2e;
    --color-link-accent: #1a73e8;
    --color-user-bubble: #c8e6ff;

    /* Label colors */
    --color-fiction: #4477AA;
    --color-fanfiction: #EE7733;
    --color-explicit: #CC3311;

    /* Spacing & radius */
    --radius: 8px;
    --transition: 0.25s ease;
}

/* ── Base ── */
html, body {
    overflow-x: hidden;
}
body {
    background-color: var(--color-bg);
    font-family: var(--font-serif) !important;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-fg);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans) !important;
    line-height: 1.25;
    font-weight: 700;
    color: var(--color-fg);
}

a {
    color: var(--color-link);
    transition: color var(--transition);
}

button, select, input, label, .btn, summary, details, .badge,
.form-check-label, .form-select, .form-label, .form-control,
.navbar-brand, .nav-link, .page-link, .offcanvas-title,
.card-title, .alert {
    font-family: var(--font-sans) !important;
}

small, .text-muted {
    color: var(--color-fg-light) !important;
}

/* ── Navbar ── */
.navbar {
    background: var(--color-bg) !important;
    border-bottom: 1px solid var(--color-border-light);
    padding: 0.6rem 0;
}
.navbar-brand {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.01em;
    color: var(--color-fg) !important;
}
.navbar-brand:hover {
    color: var(--color-fg) !important;
}
.navbar .nav-link {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-fg) !important;
    padding: 0.4rem 0.75rem !important;
    border-radius: var(--radius);
    transition: all var(--transition);
}
.navbar .nav-link:hover {
    color: var(--color-fg) !important;
    background: var(--color-bg-warm);
}
.navbar .nav-link.active {
    color: var(--color-fg) !important;
    font-weight: 600;
}
.navbar-toggler {
    border-color: var(--color-border) !important;
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(46,46,46,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}
.user-mode-toggle .btn {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 2px 8px;
    color: var(--color-fg-light);
    border-color: var(--color-border);
    background: transparent;
}
.user-mode-toggle .btn.active {
    color: #fff;
    background: var(--color-fg);
    border-color: var(--color-fg);
}
.user-mode-toggle .btn:hover:not(.active) {
    background: var(--color-bg-warm);
}

/* ── Filter hamburger ── */
.filter-hamburger {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 5px 10px 5px 8px;
    cursor: pointer;
    color: var(--color-fg);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    transition: background var(--transition);
}
.filter-hamburger:hover {
    background: var(--color-bg-warm);
}

/* ── AJAX loading transition ── */
#results-col {
    transition: opacity 0.15s ease;
}
#results-col.loading {
    opacity: 0.4;
    pointer-events: none;
}

/* ── Sidebar ── */
.sidebar-sticky {
    position: sticky;
    top: 1rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}
.sidebar-sticky .card {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    box-shadow: none;
}
.sidebar-sticky .card-title {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-fg);
}
.sidebar-sticky .form-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-fg);
}
.sidebar-sticky .form-select,
.sidebar-sticky .form-check-label {
    font-size: 0.85rem;
}

/* ── Label distribution bar chart ── */
.label-dist-bar {
    display: flex;
    align-items: flex-end;
    gap: 24px;
}
.label-dist-bars {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}
.label-dist-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: opacity var(--transition);
}
.label-dist-col:hover {
    opacity: 0.7;
}
.label-dist-count {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 600;
    color: var(--color-fg);
}
.label-dist-track {
    width: 28px;
    height: 60px;
    background: #f0f0f0;
    border-radius: 3px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}
.label-dist-fill {
    width: 100%;
    border-radius: 3px;
    transition: height 0.3s ease;
}
.label-dist-name {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 500;
    color: var(--color-fg);
}
.label-dist-meta {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--color-fg-light);
    line-height: 1.5;
}
.label-dist-meta details {
    margin-top: 4px;
}
.label-dist-meta summary {
    cursor: pointer;
    color: var(--color-fg-light);
}
.label-dist-meta table {
    font-size: 10px;
}

/* ── Label badges ── */
.label-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.02em;
}
.label-badge-sm {
    padding: 1px 6px;
    font-size: 10px;
}
.meta-badges {
    display: inline-flex;
    gap: 4px;
    min-width: 120px;
}
.meta-row {
    margin-top: 10px;
    padding-top: 6px;
}
.label-fiction { background-color: var(--color-fiction); }
.label-fanfiction { background-color: var(--color-fanfiction); }
.label-explicit { background-color: var(--color-explicit); }
.label-none { background-color: #9E9E9E; }

/* ── Result cards ── */
.result-card {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    transition: border-color var(--transition);
    box-shadow: none;
}
.result-card:hover {
    border-color: var(--color-border);
}

/* ── Conversation preview ── */
.conversation-preview {
    font-family: var(--font-serif);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-fg);
    max-height: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.conversation-preview-turns {
    font-family: var(--font-serif);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-fg);
}
.preview-user {
    margin-bottom: 6px;
    padding: 6px 10px;
    background: var(--color-user-bubble);
    border-radius: var(--radius);
}
.preview-bot {
    padding: 6px 10px;
    background: var(--color-bg-warm);
    border-radius: var(--radius);
}
.preview-bot.hidden { display: none; }
.preview-user.hidden { display: none; }
.preview-role {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-fg);
}

/* Label filter include/exclude buttons */
.label-filter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px 0;
}
.label-filter-name {
    font-size: 13px;
    font-family: var(--font-sans);
}
.label-filter-actions {
    display: flex;
    gap: 3px;
}
.label-action {
    width: 24px;
    height: 24px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    font-size: 15px;
    line-height: 1;
    font-weight: 600;
    color: var(--color-fg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all 0.15s;
}
.label-action:hover {
    border-color: var(--color-fg-light);
}
.label-action-inc[aria-pressed="true"] {
    background: #1a7a1a;
    border-color: #1a7a1a;
    color: #fff;
}
.label-action-exc[aria-pressed="true"] {
    background: #b33;
    border-color: #b33;
    color: #fff;
}
.label-filter-row[data-state="exclude"] .label-filter-name {
    text-decoration: line-through;
    color: var(--color-fg-light);
}

/* Search highlights */
.conversation-preview mark {
    background-color: #fff3cd;
    padding: 1px 2px;
    border-radius: 2px;
}

/* ── Conversation detail page ── */
.conversation-container {
    margin: 0;
}
.chat-bubble {
    margin-bottom: 12px;
    padding: 12px 16px;
    border-radius: 16px;
    max-width: 85%;
    word-wrap: break-word;
    color: var(--color-fg);
}
.user-bubble {
    background: var(--color-user-bubble);
    margin-left: auto;
    border-bottom-right-radius: 4px;
}
.bot-bubble {
    background: var(--color-bg-warm);
    margin-right: auto;
    border-bottom-left-radius: 4px;
    border: 1px solid var(--color-border-light);
}
.bubble-role {
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-fg);
    margin-bottom: 2px;
}
.bubble-content {
    font-family: var(--font-serif);
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-fg);
    white-space: pre-wrap;
}
.bubble-turn-num {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--color-fg-light);
    padding-top: 10px;
    min-width: 16px;
    text-align: right;
}

/* ── IP group / user cards ── */
.ip-group-card {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    overflow: hidden;
}
.ip-group-header {
    background-color: var(--color-bg);
    cursor: pointer;
    user-select: none;
}
.ip-group-header:hover {
    background-color: var(--color-bg-warm);
}
.ip-group-header[aria-expanded="true"] .collapse-indicator {
    transform: rotate(180deg);
}
.collapse-indicator {
    display: inline-block;
    transition: transform var(--transition);
    font-size: 10px;
}
.ip-hash {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-fg-light);
}
.ip-group-item:hover {
    background-color: var(--color-bg-warm);
}

/* User card header */
.user-card-header {
    padding: 14px 18px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}
.user-number {
    font-family: var(--font-sans);
    font-size: 17px;
    font-weight: 700;
    color: var(--color-fg);
}
.user-convo-count {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-fg);
}
.user-meta {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--color-fg-light);
    margin-top: 3px;
}
.user-meta a {
    color: var(--color-fg-light);
    text-decoration: underline;
    text-decoration-style: dotted;
}
.user-meta a:hover {
    color: var(--color-fg);
}

/* Activity timeline */
.activity-section {
    padding: 8px 18px;
    background: var(--color-bg-warm);
    border-bottom: 1px solid var(--color-border-light);
}
.activity-section summary {
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-fg);
    user-select: none;
}
.activity-section summary:hover {
    color: var(--color-fg);
}
.activity-chart {
    margin-top: 8px;
    min-height: 80px;
    max-width: 100%;
    overflow: hidden;
}
.activity-chart svg {
    display: block;
    max-width: 100%;
}

/* ── Pagination ── */
.pagination .page-link {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-fg);
    border-color: var(--color-border-light);
    border-radius: var(--radius) !important;
    margin: 0 2px;
    transition: all var(--transition);
}
.pagination .page-link:hover {
    background: var(--color-bg-warm);
    border-color: var(--color-border);
}
.pagination .page-item.active .page-link {
    background-color: var(--color-fg);
    border-color: var(--color-fg);
    color: #fff;
}

/* ── About page ── */
.about-hero {
    text-align: center;
    padding: 3rem 0 1.5rem;
}
.about-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-fg);
}
.about-subtitle {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--color-fg);
    margin-top: 0.5rem;
}
.about-section {
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-fg);
}
.about-section h3 {
    font-family: var(--font-sans);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-fg);
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--color-border-light);
}
.about-section a {
    color: var(--color-link-accent);
}
.about-section .card {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    transition: border-color var(--transition);
    box-shadow: none;
}
.about-section .card:hover {
    border-color: var(--color-border);
}

/* ── Cluster badges (Tableau 12 palette) ── */
.cluster-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}
.cluster-badge:hover {
    opacity: 0.85;
    color: #fff;
}
.cluster-0  { background-color: #4e79a7; }
.cluster-1  { background-color: #f28e2b; }
.cluster-2  { background-color: #e15759; }
.cluster-3  { background-color: #76b7b2; }
.cluster-4  { background-color: #59a14f; }
.cluster-5  { background-color: #edc948; }
.cluster-6  { background-color: #b07aa1; }
.cluster-7  { background-color: #ff9da7; }
.cluster-8  { background-color: #9c755f; }
.cluster-9  { background-color: #bab0ac; }
.cluster-10 { background-color: #a0cbe8; }
.cluster-11 { background-color: #ffbe7d; }

/* ── Cluster panel ── */
.cluster-scroll {
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    padding: 4px;
}
.cluster-panel .cluster-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-fg);
    border-radius: var(--radius);
}
.cluster-panel .cluster-row:hover {
    background-color: var(--color-bg-warm);
}
.cluster-panel .cluster-row.active {
    background-color: var(--color-user-bubble);
}
.cluster-label-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}
.cluster-count-text {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--color-fg-light);
    white-space: nowrap;
    flex-shrink: 0;
}
.cluster-clear-x {
    font-size: 16px;
    font-weight: 700;
    color: #999;
    line-height: 1;
    padding: 0 4px;
    flex-shrink: 0;
    cursor: pointer;
}
.cluster-clear-x:hover {
    color: #c00;
}

/* ── Diff highlighting ── */
.diff-ins {
    background-color: #d4edda;
    padding: 1px 3px;
    border-radius: 3px;
}
.diff-del {
    background-color: #f8d7da;
    text-decoration: line-through;
    padding: 1px 3px;
    border-radius: 3px;
    opacity: 0.7;
}

/* ── Search bar ── */
#search-bar {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition);
    overflow: hidden;
}
#search-bar:focus-within {
    border-color: var(--color-fg);
}
#search-bar input {
    font-family: var(--font-serif);
    font-size: 16px;
    border: none;
    box-shadow: none !important;
}
#search-bar input::placeholder {
    color: var(--color-fg-light);
}
#search-bar .btn {
    font-family: var(--font-sans);
    font-weight: 600;
    border: none;
    border-left: 1px solid var(--color-border-light);
    border-radius: 0;
}

/* ── Buttons ── */
.btn-primary {
    background-color: var(--color-fg);
    border-color: var(--color-fg);
    font-family: var(--font-sans);
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
}
.btn-primary:hover {
    background-color: #1a1a1a;
    border-color: #1a1a1a;
}
.btn-primary:active {
    transform: scale(0.97);
}
.btn-outline-primary {
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--color-fg);
    border-color: var(--color-border);
    border-radius: var(--radius);
    transition: all var(--transition);
}
.btn-outline-primary:hover {
    background: var(--color-fg);
    border-color: var(--color-fg);
    color: #fff;
}
.btn-outline-secondary {
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--color-fg);
    border-color: var(--color-border);
    border-radius: var(--radius);
    transition: all var(--transition);
}
.btn-outline-secondary:hover {
    background: var(--color-bg-warm);
    border-color: var(--color-border);
    color: var(--color-fg);
}
.btn-outline-secondary.active {
    background: var(--color-selection);
    border-color: var(--color-border);
    color: var(--color-fg);
}

/* ── Demo showcase ── */
.demo-showcase {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    padding: 28px 28px 20px;
    margin-bottom: 16px;
    overflow: hidden;
}
.demo-lead {
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-fg);
    margin-bottom: 12px;
}
.demo-body {
    font-family: var(--font-serif);
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-fg);
    margin-bottom: 12px;
}
.demo-link {
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--color-fg);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1px;
    transition: border-color var(--transition);
}
.demo-link:hover {
    border-color: var(--color-fg);
    color: var(--color-fg);
}
.demo-prompts {
    padding-left: 14px;
    border-left: 3px solid var(--color-user-bubble);
    overflow: hidden;
}
.demo-role-label {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--color-fg);
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}
.demo-user-label {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-fg);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border-light);
}
.demo-user-label a {
    color: var(--color-fg);
    text-decoration: underline;
    text-decoration-style: dotted;
}
.demo-exchange {
    display: flex;
    gap: 10px;
    margin-bottom: 6px;
}
.demo-ts {
    font-family: var(--font-sans);
    font-size: 10px;
    color: var(--color-fg-light);
    white-space: nowrap;
    padding-top: 10px;
    min-width: 38px;
    text-align: right;
    flex-shrink: 0;
}
.demo-exchange-content {
    flex: 1;
    min-width: 0;
}
.demo-exchange-content .preview-user,
.demo-exchange-content .preview-bot {
    font-size: 13px;
    padding: 6px 10px;
    color: #000;
}
.demo-exchange-content .preview-bot {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.demo-common {
    font-weight: 600;
}
.demo-spacer {
    text-align: center;
    color: var(--color-border);
    font-size: 14px;
    letter-spacing: 4px;
    padding: 3px 0;
}
.demo-elapsed {
    text-align: center;
    font-size: 11px;
    color: #999;
    font-style: italic;
    padding: 4px 0;
}
.demo-more {
    text-align: right;
    font-family: var(--font-serif);
    font-size: 12px;
    color: var(--color-fg-light);
    font-style: italic;
    margin-top: 6px;
}
.demo-more-link {
    display: block;
    text-align: right;
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-fg);
    font-weight: 500;
    margin-top: 8px;
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    display: inline-block;
    float: right;
    padding-bottom: 1px;
    transition: border-color var(--transition);
}
.demo-more-link:hover {
    border-color: var(--color-fg);
    color: var(--color-fg);
}

/* Demo gallery — grid overlap so container = tallest slide */
.demo-slides-wrap {
    display: grid;
    min-width: 0;
    overflow: hidden;
}
.demo-slides-wrap.demo-gallery-scroll {
    max-height: 420px;
    overflow-y: auto;
    padding: 8px;
    background: #ffffff;
}
.demo-slides-wrap > .demo-slide {
    grid-area: 1 / 1;
    min-width: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.demo-slides-wrap > .demo-slide.active {
    visibility: visible;
    opacity: 1;
}
.demo-gallery-scroll > .demo-slide.active {
    overflow: visible;
}
@keyframes demoFadeIn {
    from { opacity: 0; transform: translateX(8px); }
    to { opacity: 1; transform: translateX(0); }
}
.demo-caption {
    display: none;
    margin-top: 12px;
    padding: 14px 16px;
    background: #f8f8f6;
    border-radius: var(--radius);
    border-left: 3px solid var(--color-fg);
}
.demo-caption .demo-lead {
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 8px;
}
.demo-caption .demo-body {
    font-size: 12px !important;
    margin-bottom: 8px;
    color: #555;
}
.demo-caption .demo-link {
    font-size: 13px;
}
.demo-caption.active {
    display: block;
}
.demo-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
    clear: both;
}
.demo-nav-btn {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    font-size: 13px;
    color: var(--color-fg-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.demo-nav-btn:hover {
    background: var(--color-bg-warm);
    border-color: var(--color-fg-light);
    color: var(--color-fg);
}
.demo-nav-btn:active {
    transform: scale(0.93);
}
.demo-nav-dots {
    display: flex;
    gap: 6px;
}
.demo-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: var(--color-border);
    cursor: pointer;
    transition: background var(--transition);
}
.demo-dot.active {
    background: var(--color-fg);
}
.demo-replay {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 2px 10px;
    font-size: 11px;
    font-family: var(--font-sans);
    color: var(--color-fg-light);
    cursor: pointer;
    margin-left: 4px;
    transition: all var(--transition);
}
.demo-replay:hover {
    border-color: var(--color-fg-light);
    color: var(--color-fg);
}

/* ── Mobile responsive ── */
@media (max-width: 767.98px) {
    .ip-group-header .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 4px;
    }
    .ip-group-item .meta-row {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 6px;
    }
    .ip-group-item .meta-row .ms-auto {
        margin-left: 0 !important;
    }
    .chat-bubble {
        max-width: 95%;
    }
    .about-title {
        font-size: 1.6rem;
    }
    .about-subtitle {
        font-size: 1rem;
    }
    #preview-toggle {
        display: none;
    }
    .navbar-brand {
        font-size: 0.85rem;
    }
    /* User detail page */
    #user-search-form {
        flex-wrap: wrap;
        width: 100%;
    }
    #user-search-form input[name="q"] {
        width: 100% !important;
        max-width: none !important;
    }
    /* Meta row on conversation cards */
    .result-card .meta-row {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 6px;
    }
    .result-card .meta-row .ms-auto {
        margin-left: 0 !important;
    }
    .result-card .meta-row .d-flex.gap-1 {
        flex-wrap: wrap;
    }
    /* Cluster scroll */
    .cluster-scroll {
        max-height: 200px;
    }
    /* Demo */
    .demo-showcase {
        padding: 18px 16px 14px;
    }
    .demo-lead {
        font-size: 16px;
    }
    .demo-bubble {
        font-size: 13px;
        padding: 8px 12px;
    }
    .demo-slides-wrap.demo-gallery-scroll {
        max-height: 320px;
    }
    .demo-exchange-content .preview-user,
    .demo-exchange-content .preview-bot {
        font-size: 12px;
        padding: 4px 8px;
    }
    .demo-ts {
        font-size: 9px;
    }
    .demo-elapsed {
        font-size: 10px;
    }
    /* Slider row compact on mobile */
    #search {
        gap: 8px !important;
    }
    #search-bar {
        flex: 1 1 100% !important;
        min-width: 0 !important;
    }
    .convos-slider-row {
        flex: 1 1 100% !important;
    }
    .convos-slider-row .d-flex {
        flex-wrap: wrap;
    }
    .convos-slider-row label {
        font-size: 10px !important;
    }
    .convos-slider-row .slider-track {
        width: 120px !important;
        flex-shrink: 1;
    }
    #convos-label {
        font-size: 10px !important;
    }
}