:root {
    --bg: #111115;
    --surface: #1c1c22;
    --border: #2e2e38;
    --text: #e8e8ec;
    --text-muted: #9898ae;
    --accent: #D4944C;
    --accent-hover: #E8A85E;
    --accent-dim: rgba(212, 148, 76, 0.12);
    --green: #4ADE80;
    --green-dim: rgba(74, 222, 128, 0.12);
    --orange: #F59E0B;
    --red: #EF4444;
    --font-display: 'Satoshi', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'Geist Mono', monospace;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 0 0 1px var(--border);
    --radius: 8px;
}

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

html { color-scheme: dark; font-family: var(--font-body); }

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 100;
    padding: 8px 16px;
    background: var(--accent);
    color: var(--bg);
    border-radius: 0 0 6px 6px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus { top: 0; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

h1, h2, h3 { text-wrap: balance; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

header nav {
    display: flex;
    gap: 20px;
}

header a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 12px 4px;
    transition: color 150ms;
}

header a:hover { color: var(--text); }
header a[aria-current="page"] { color: var(--text); }

/* Dev mode toggle button in nav */
.dev-toggle {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    margin-left: auto;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: color 150ms, border-color 150ms;
}

.dev-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* Dev panel below header */
.dev-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4), 0 0 0 1px var(--border);
}

.dev-panel-header {
    font-family: 'DM Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.dev-backend-switch {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dev-label {
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.dev-backend-btn {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: color 150ms, border-color 150ms, background 150ms;
}

.dev-backend-btn:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

.dev-backend-btn.active {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(212, 148, 76, 0.12);
}

.dev-stats-log {
    margin-top: 12px;
    max-height: 240px;
    overflow-y: auto;
}

.dev-stat-entry {
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
}

.dev-stat-entry:last-child {
    border-bottom: none;
}

.dev-stat-sql {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.dev-stat-meta {
    display: flex;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dev-path {
    color: var(--text-muted);
}

.dev-path.star-tree {
    color: var(--green);
}

.dev-path.partial {
    color: var(--orange);
}

.dev-path.full-scan {
    color: var(--red);
}

.dev-backend-label {
    color: var(--accent);
}

.dev-elapsed {
    color: var(--text-muted);
}

.dev-segments {
    color: var(--text-muted);
}

.github-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 13px;
    margin-left: 4px;
    opacity: 0.4;
    transition: opacity 150ms;
}

.github-link:hover { opacity: 1; }

.github-link svg {
    width: 18px;
    height: 18px;
    fill: var(--text);
}

h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-card);
    transition: box-shadow 150ms;
}

.stat-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
}

.stat-card .label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.stat-card .value {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-top: 4px;
    letter-spacing: -0.5px;
    font-variant-numeric: tabular-nums;
}

.rolling-counter {
    display: inline-flex;
}

.counter-slot {
    display: inline-flex;
    align-items: center;
}

.rolling-digit {
    display: inline-block;
    height: 1em;
    overflow: hidden;
    line-height: 1;
    vertical-align: top;
}

.digit-roll {
    display: flex;
    flex-direction: column;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    will-change: transform;
}

.digit-roll.no-transition {
    transition: none;
}

.digit-roll > span {
    display: block;
    height: 1em;
    line-height: 1;
    flex-shrink: 0;
}

.counter-comma {
    margin: 0 1px;
}

/* Skeleton loading */
@keyframes shimmer {
    0% { opacity: 0.08; }
    50% { opacity: 0.16; }
    100% { opacity: 0.08; }
}

.skeleton-row { cursor: default !important; }
.skeleton-row:hover { background: none !important; }

.skel-bar {
    height: 12px;
    border-radius: 4px;
    background: var(--text);
    animation: shimmer 1.4s ease-in-out infinite;
}

.skel-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--text);
    flex-shrink: 0;
    animation: shimmer 1.4s ease-in-out infinite;
}

.skel-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.skel-lines {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.w-32 { width: 32px; }
.w-48 { width: 48px; }
.w-64 { width: 64px; }
.w-80 { width: 80px; }

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

thead th {
    text-align: left;
    padding: 10px 16px;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

tbody td {
    padding: 10px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
}

tbody tr {
    position: relative;
    cursor: pointer;
    transition: background 150ms;
}

.row-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
}

.row-link::after {
    content: '';
    position: absolute;
    inset: 0;
}

tbody tr:hover {
    background: var(--accent-dim);
}

tbody tr:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

tbody tr:last-child td {
    border-bottom: none;
}

.mono {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
}

.time-relative {
    color: var(--text-muted);
    font-size: 12px;
    font-family: var(--font-mono);
}

.flag { font-size: 16px; }

.device-icons {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.device-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--border);
}

.device-icon.active {
    color: var(--accent);
}

.device-icon svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.timeline-item .device-icon svg {
    width: 12px;
    height: 12px;
    vertical-align: -1px;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-mono);
}

.badge-active {
    background: var(--green-dim);
    color: var(--green);
}

.badge-event {
    background: var(--accent-dim);
    color: var(--accent);
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding: 0 4px;
}

.pagination-range {
    color: var(--text-muted);
    font-size: 13px;
    font-family: var(--font-mono);
}

.pagination-range strong {
    color: var(--text);
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination-page {
    color: var(--text-muted);
    font-size: 13px;
}

.pagination button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font-body);
    transition: border-color 150ms;
}

.pagination button:hover { border-color: var(--accent); }
.pagination button:disabled { opacity: 0.3; cursor: default; }

.back-link {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    font-size: 13px;
    margin-bottom: 16px;
    transition: color 150ms;
}

.back-link:hover { color: var(--accent-hover); }

.profile-header {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    min-height: 567px;
}

.profile-header h2 {
    margin-bottom: 4px;
}

.profile-header .subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 16px;
    min-height: 44px;
}
.subtitle-meta {
    margin-top: 4px;
}

.active-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    margin-right: 6px;
    vertical-align: middle;
    box-shadow: 0 0 6px rgba(74, 222, 128, 0.5);
}

.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

@keyframes timeline-expand {
    0% {
        max-height: 0;
        padding-top: 0;
        padding-bottom: 0;
        opacity: 0;
    }
    100% {
        max-height: 60px;
        padding-top: 8px;
        padding-bottom: 8px;
        opacity: 1;
    }
}

@keyframes timeline-dot-pop {
    0% { transform: scale(0); }
    60% { transform: scale(1.4); }
    100% { transform: scale(1); }
}

@keyframes timeline-highlight {
    0% { background: var(--accent-dim); }
    100% { background: transparent; }
}

.timeline-item-new {
    animation: timeline-expand 0.35s ease-out forwards,
               timeline-highlight 1.5s ease-out 0.35s forwards;
    overflow-x: visible;
    overflow-y: clip;
    background: var(--accent-dim);
}

.timeline-item-new::before {
    animation: timeline-dot-pop 0.3s ease-out 0.2s both;
}

.timeline-item {
    position: relative;
    padding: 8px 0 8px 16px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg);
}

.timeline-item .time {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.timeline-item .detail {
    font-size: 13px;
    margin-top: 2px;
}

@keyframes content-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.profile-header {
    animation: content-in 0.25s ease-out both;
}

.profile-placeholder {
    animation: none;
}
.profile-placeholder .stat-card,
.profile-placeholder .profile-identity,
.profile-placeholder .section-title,
.profile-placeholder .tag-list {
    animation: shimmer 1.4s ease-in-out infinite;
    color: transparent;
}

.skeleton-table .skeleton-row td {
    animation: shimmer 1.4s ease-in-out infinite;
    color: transparent;
}
.skeleton-table .skeleton-row .badge-event,
.skeleton-table .skeleton-row .user-petname,
.skeleton-table .skeleton-row .user-id-short,
.skeleton-table .skeleton-row .flag {
    color: transparent;
}

.timeline {
    animation: content-in 0.25s ease-out 0.05s both;
}

.timeline-placeholder {
    min-height: 200px;
}

.loading {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

.section-title {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    margin-top: 32px;
    letter-spacing: -0.2px;
}

.timeline-device {
    color: var(--text-muted);
    font-size: 12px;
}

.timeline-device .device-icon {
    display: inline;
    vertical-align: middle;
}

.flag-lg { font-size: 20px; }
.empty-hint { color: var(--text-muted); font-size: 12px; }

.tag-list {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

@keyframes row-cell-expand {
    0% {
        padding-top: 0;
        padding-bottom: 0;
        line-height: 0;
        opacity: 0;
        font-size: 0;
    }
    100% {
        padding-top: 10px;
        padding-bottom: 10px;
        line-height: 1.5;
        opacity: 1;
        font-size: 13px;
    }
}

@keyframes row-highlight {
    0% { background: var(--accent-dim); }
    100% { background: transparent; }
}

tr.row-new td {
    animation: row-cell-expand 0.35s ease-out forwards;
    overflow: hidden;
}

tr.row-new {
    animation: row-highlight 1.5s ease-out 0.35s forwards;
    background: var(--accent-dim);
}

/* User identity: avatar + petname */

.user-identity {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    display: flex;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
    width: 28px;
    height: 28px;
}

.user-avatar svg {
    width: 28px;
    height: 28px;
    display: block;
}

.user-names {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.user-petname {
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
}

.user-id-short {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
}

/* Profile detail avatar */

.profile-identity {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.profile-avatar {
    display: flex;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
    width: 48px;
    height: 48px;
}

.profile-avatar svg {
    width: 48px;
    height: 48px;
    display: block;
}

.profile-identity h2 {
    margin-bottom: 2px;
}

/* Filter bar */

.filter-bar {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.filter-bar select {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 13px;
    padding: 6px 12px;
    cursor: pointer;
    transition: border-color 150ms;
    appearance: none;
    padding-right: 28px;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%238888a0' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.filter-bar select:hover {
    border-color: var(--accent);
}

.filter-bar select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-color: var(--accent);
}

/* Event type badges */

.badge-event {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-mono);
}

.badge-page-view { background: rgba(96, 165, 250, 0.12); color: #60A5FA; }
.badge-click { background: var(--accent-dim); color: var(--accent); }
.badge-signup { background: var(--green-dim); color: var(--green); }
.badge-login { background: rgba(167, 139, 250, 0.12); color: #A78BFA; }
.badge-feature { background: rgba(251, 191, 36, 0.12); color: #FBBF24; }
.badge-default { background: rgba(136, 136, 160, 0.12); color: var(--text-muted); }

/* Event table compact user identity */

.user-identity.compact {
    gap: 8px;
}

.user-identity.compact .user-avatar {
    width: 22px;
    height: 22px;
}

.user-identity.compact .user-avatar svg {
    width: 22px;
    height: 22px;
}

/* Inline device icon for event table */

.device-inline {
    display: inline-flex;
    vertical-align: -3px;
    color: var(--accent);
}

.device-inline svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.page-url {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.empty-state {
    text-align: center;
    padding: 80px 24px;
    color: var(--text-muted);
}

.empty-icon {
    width: 48px;
    height: 48px;
    color: var(--accent);
    margin-bottom: 16px;
}

.empty-state p {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.empty-state .empty-sub {
    font-size: 13px;
}

/* Stats page */

.stats-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 16px;
}

.live-callout {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--surface);
    border-left: 3px solid var(--accent);
    border-radius: 0 6px 6px 0;
    padding: 10px 16px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

.live-callout .live-dot {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
}

.metric-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.metric-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-card);
    border: 1px solid transparent;
    transition: border-color 150ms;
}

.metric-card:hover {
    border-color: var(--accent-dim);
}

.metric-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 4px;
}

.metric-subtitle {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
}

.range-selector {
    display: flex;
    gap: 4px;
    background: var(--surface);
    border-radius: 6px;
    padding: 4px;
    border: 1px solid var(--border);
}

.range-selector button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    padding: 8px 14px;
    min-width: 44px;
    min-height: 44px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 150ms, color 150ms;
}

.range-selector button:hover {
    color: var(--text);
}

.range-selector button.active {
    background: var(--accent-dim);
    color: var(--accent);
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.chart-panel {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-card);
    min-height: 483px;
    overflow: hidden;
}

.chart-panel.span-2 {
    grid-column: span 2;
}

.chart-loading,
.chart-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 13px;
}

/* ChartML design system integration */

.chart-panel {
    --chartml-axis-line: var(--border);
    --chartml-grid: var(--border);
    --chartml-text-secondary: var(--text-muted);
    --chartml-text-strong: var(--text);
    --chartml-bg: var(--surface);
    --chartml-title-font: var(--font-display);
    --chartml-title-font-size: 14px;
    --chartml-title-font-weight: 600;
    --chartml-label-font: var(--font-body);
    --chartml-label-font-size: 11px;
    --chartml-numeric-font: var(--font-mono);
    --chartml-numeric-font-size: 11px;
    --chartml-legend-font: var(--font-body);
    --chartml-legend-font-size: 11px;
    --chartml-dot-radius: 3px;
    --chartml-series-line-weight: 2px;
}

.chart-panel .chartml-container {
    width: 100%;
    max-width: 100%;
}

.chart-panel .chartml-container svg {
    max-width: 100%;
    height: auto;
}

.chart-panel .chart-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.2px;
    color: var(--text);
    margin-bottom: 12px;
}

.chart-panel .chartml-tooltip {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    font-family: var(--font-body);
}

.chart-panel .chartml-tooltip-label {
    color: var(--text-muted);
}

.chart-panel .chartml-spinner {
    border-color: var(--border);
    border-top-color: var(--accent);
}

.chart-panel .chartml-pie-slice {
    stroke: var(--surface);
}

.chart-panel .chartml-line-dot,
.chart-panel .chartml-area-dot {
    stroke: var(--surface);
}

/* Live pulse bar */
.pulse-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.pulse-metric {
    flex: 1;
    min-height: 68px;
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    flex-shrink: 0;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
}

.pulse-value {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.pulse-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Install CTA */
.install-section {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--surface);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow-card);
    margin-bottom: 16px;
}

.install-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.install-cmd {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent);
    background: var(--bg);
    padding: 10px 16px;
    border-radius: 6px;
    border: 1px solid var(--border);
    overflow-x: auto;
    white-space: nowrap;
}

.install-copy {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    background: var(--accent-dim);
    border: 1px solid rgba(212, 148, 76, 0.3);
    padding: 10px 16px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 150ms, border-color 150ms;
}

.install-copy:hover {
    background: rgba(212, 148, 76, 0.2);
    border-color: var(--accent);
}

.install-copy.copied {
    background: var(--green-dim);
    border-color: var(--green);
    color: var(--green);
}

/* See live data link */
.see-live-link {
    text-align: center;
    padding: 16px 0 32px;
}

.see-live-link a {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    transition: color 150ms;
    display: inline-block;
    padding: 14px 16px;
}

.see-live-link a:hover {
    color: var(--accent-hover);
}

/* Page header row (compact stats) */
.page-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.page-title-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-title-group h2 {
    margin-bottom: 0;
}

.live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse-glow 2s ease-in-out infinite;
}

.live-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    min-height: 44px;
    border-radius: 100px;
    cursor: pointer;
    border: none;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: inherit;
    transition: background 150ms, color 150ms;
    background: var(--green-dim);
    color: var(--green);
}
.live-toggle.paused {
    background: rgba(245, 158, 11, 0.12);
    color: var(--orange);
}
.live-toggle.paused .live-dot {
    background: var(--orange);
    animation: none;
}

.compact-stats {
    display: flex;
    gap: 24px;
}

.compact-stat {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.compact-stat-value {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.compact-stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

/* Stats header h2 override */
.stats-header h2 {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .container { padding: 16px; }

    header { flex-wrap: wrap; gap: 8px; padding: 10px 16px; }
    header h1 { font-size: 16px; }
    header nav { gap: 12px; }
    header a { font-size: 12px; padding: 10px 2px; }

    .stats-row {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 8px;
    }

    .stat-card { padding: 12px; }
    .stat-card .value { font-size: 20px; }

    thead th, tbody td { padding: 8px 10px; font-size: 12px; }
    .hide-mobile { display: none; }

    .filter-bar { flex-direction: column; gap: 8px; }

    .charts-grid { grid-template-columns: 1fr; }
    .chart-panel.span-2 { grid-column: span 1; }
    .stats-header { flex-direction: column; gap: 12px; align-items: flex-start; }

    .metric-cards { grid-template-columns: repeat(2, 1fr); }
    .metric-cards .metric-card:last-child { grid-column: span 2; }
    .metric-value { font-size: 20px; }

    .chart-panel { min-height: 406.5px; padding: 16px; }


    .pulse-bar { flex-direction: column; }
    .compact-stats { display: none; }
    .install-section { flex-direction: column; align-items: stretch; }
}

@media (max-width: 640px) {
    .stats-row { grid-template-columns: 1fr 1fr; }

    .pagination { flex-direction: column; gap: 8px; align-items: stretch; text-align: center; }
    .pagination-controls { justify-content: center; }
}

/* ─── About / Architecture Page ─────────────────────────────────────────── */

.about-hero {
    text-align: center;
    padding: 40px 0 32px;
}

.about-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-mono);
    background: var(--accent-dim);
    color: var(--accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.about-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.about-desc {
    color: var(--text-muted);
    font-size: 15px;
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.6;
}

.about-hint {
    color: var(--text-muted);
    font-size: 12px;
    font-family: var(--font-mono);
    margin-top: 20px;
    opacity: 0.6;
}

/* Diagram */

.about-diagram {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    margin-bottom: 24px;
    overflow-x: auto;
}

.arch-svg {
    width: 100%;
    min-width: 700px;
    height: auto;
    display: block;
}

.arch-rect {
    fill: var(--bg);
    stroke: var(--border);
    stroke-width: 1.5;
    transition: stroke 200ms, fill 200ms, filter 200ms;
}

.arch-node {
    cursor: pointer;
}

.arch-node:hover .arch-rect {
    stroke: var(--accent);
    fill: rgba(17, 17, 21, 0.8);
}

.arch-node:hover {
    filter: drop-shadow(0 0 6px rgba(212, 148, 76, 0.25));
}

.arch-node.active .arch-rect {
    stroke: var(--accent);
    stroke-width: 2;
    fill: var(--accent-dim);
}

.arch-node.active {
    filter: drop-shadow(0 0 10px rgba(212, 148, 76, 0.4));
}

.arch-label {
    fill: var(--text);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    text-anchor: middle;
    pointer-events: none;
}

.arch-sublabel {
    fill: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 9px;
    text-anchor: middle;
    pointer-events: none;
}

.arch-divider {
    stroke: var(--border);
    stroke-width: 1;
}

.arch-job {
    fill: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    text-anchor: middle;
    pointer-events: none;
}

.pipe-base {
    stroke: var(--border);
    stroke-width: 2;
    fill: none;
    pointer-events: none;
}

.pipe-flow {
    stroke: var(--accent);
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 6 14;
    opacity: 0.4;
    animation: dash-flow 1.5s linear infinite;
    pointer-events: none;
}

@keyframes dash-flow {
    to { stroke-dashoffset: -20; }
}

/* Node Detail Panel */

.node-detail {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    margin-bottom: 24px;
    animation: detail-enter 0.25s ease-out;
    border-top: 2px solid var(--accent);
}

@keyframes detail-enter {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.node-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 16px;
}

.node-detail-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.3px;
    margin-bottom: 6px;
}

.node-detail-desc {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
    max-width: 600px;
}

.node-detail-close {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 10px;
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    line-height: 1;
    transition: border-color 150ms, color 150ms;
    flex-shrink: 0;
}

.node-detail-close:hover {
    border-color: var(--accent);
    color: var(--text);
}

.node-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

.detail-point {
    padding: 14px;
    background: var(--bg);
    border-radius: 6px;
    border: 1px solid var(--border);
}

.detail-point-title {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 4px;
}

.detail-point-text {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Sections */

.about-section {
    margin-top: 48px;
}

.about-section h2 {
    margin-bottom: 20px;
}

/* Guarantee cards */

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.guarantee-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-card);
    border-top: 2px solid var(--accent);
    transition: box-shadow 150ms;
}

.guarantee-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
}

.guarantee-title {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.guarantee-text {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Tech stack */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.tech-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-card);
    transition: box-shadow 150ms;
}

.tech-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 0 1px var(--accent);
}

.tech-name {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.tech-role {
    font-size: 12px;
    color: var(--accent);
    font-family: var(--font-mono);
    margin-bottom: 6px;
}

.tech-detail {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Design decisions */

.decisions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.decision-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.decision-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    text-align: left;
    transition: background 150ms;
    font-family: var(--font-body);
    gap: 16px;
}

.decision-header:hover {
    background: var(--accent-dim);
}

.decision-title {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.decision-summary {
    font-size: 12px;
    color: var(--text-muted);
}

.decision-chevron {
    font-size: 20px;
    color: var(--text-muted);
    transition: transform 200ms, color 200ms;
    flex-shrink: 0;
}

.decision-card.expanded .decision-chevron {
    transform: rotate(90deg);
    color: var(--accent);
}

.decision-content {
    padding: 0 20px 16px;
    border-top: 1px solid var(--border);
    animation: detail-enter 0.2s ease-out;
}

.decision-content p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    padding-top: 16px;
    max-width: 640px;
}

/* About page responsive */

@media (max-width: 768px) {
    .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .about-title { font-size: 22px; }
    .node-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .guarantee-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .about-hero { padding: 24px 0 20px; }
}

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

/* Event detail */

.event-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.event-header .badge {
    font-size: 14px;
    padding: 6px 14px;
    width: fit-content;
}

.event-header .event-time {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}

.event-header .event-time .time-relative {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
}

.event-header .event-id {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-muted);
}

.event-user-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 24px;
    transition: border-color 150ms ease-out;
    text-decoration: none;
    color: inherit;
}

.event-user-card:hover {
    border-color: var(--accent);
}

.event-user-card .user-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.event-user-card .user-meta {
    font-size: 13px;
    color: var(--text-muted);
}

.event-user-card .user-meta .mono {
    font-family: var(--font-mono);
    color: var(--accent);
}

.event-props {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 12px 16px;
    margin-bottom: 24px;
}

.event-props .prop-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-props .prop-value {
    font-size: 14px;
    color: var(--text);
}

.event-props .prop-value.mono {
    font-family: var(--font-mono);
    font-size: 13px;
}

.timeline-item-current {
    border-left-color: var(--accent) !important;
    background: var(--accent-dim);
    border-radius: 0 6px 6px 0;
}

.timeline a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.timeline a:hover .detail {
    color: var(--text);
}