/* =========================================================
   Chromium VRP — v0 / Vercel aesthetic
   Geist Sans + Geist Mono, monochromatic, elegant, quiet.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
    --sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;

    --radius-sm: 6px;
    --radius:    8px;
    --radius-lg: 12px;

    --maxw: 1200px;
    --gutter: clamp(1rem, 3vw, 2rem);
    --header-h: 56px;

    --ease: cubic-bezier(.4, 0, .2, 1);

    /* semantic signals — used sparingly */
    --red:    #e5484d;
    --amber:  #f1a10d;
    --green:  #30a46c;
    --blue:   #3b82f6;
}

/* Dark (default) — Vercel's signature */
html[data-theme="dark"] {
    --bg:          #0a0a0a;
    --bg-subtle:   #0f0f0f;
    --bg-elevated: #141414;
    --bg-hover:    #1a1a1a;
    --bg-active:   #202020;

    --border:        #1f1f1f;
    --border-strong: #2a2a2a;
    --border-hover:  #3a3a3a;

    --fg:        #ededed;
    --fg-muted:  #a1a1a1;
    --fg-subtle: #707070;
    --fg-faint:  #4a4a4a;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
    --shadow:    0 4px 12px rgba(0,0,0,.4);

    color-scheme: dark;
}

html[data-theme="light"] {
    --bg:          #ffffff;
    --bg-subtle:   #fafafa;
    --bg-elevated: #ffffff;
    --bg-hover:    #f5f5f5;
    --bg-active:   #ededed;

    --border:        #ebebeb;
    --border-strong: #e0e0e0;
    --border-hover:  #b8b8b8;

    --fg:        #0a0a0a;
    --fg-muted:  #525252;
    --fg-subtle: #737373;
    --fg-faint:  #a3a3a3;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow:    0 4px 12px rgba(0,0,0,.08);

    color-scheme: light;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.5;
    font-feature-settings: 'cv11', 'ss01', 'kern';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    letter-spacing: -0.005em;
}
img, svg, video, canvas { max-width: 100%; display: block; }
svg { vertical-align: middle; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea, button { font-family: inherit; color: inherit; }
code, pre { font-family: var(--mono); }
::selection { background: var(--fg); color: var(--bg); }

/* ---------- Masthead ---------- */
.masthead {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--border);
    height: var(--header-h);
}
.masthead-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    height: 100%;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--fg);
}
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--fg);
}
.brand-word { font-weight: 600; }
.brand-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: .02em;
    color: var(--fg-muted);
    text-transform: lowercase;
    margin-left: .1rem;
}

.mast-nav {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--fg-muted);
    transition: color .15s var(--ease), background .15s var(--ease);
}
.nav-link:hover { color: var(--fg); background: var(--bg-hover); }
.nav-link.active { color: var(--fg); background: var(--bg-hover); }
.nav-arrow {
    font-size: 10px;
    opacity: .6;
    transform: translateY(-.5px);
}
.nav-sep {
    width: 1px;
    height: 16px;
    background: var(--border-strong);
    margin: 0 .5rem;
}

.theme-toggle {
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    color: var(--fg-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color .15s, background .15s;
}
.theme-toggle:hover { color: var(--fg); background: var(--bg-hover); }

/* ---------- Page ---------- */
.page {
    flex: 1;
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 2.5rem var(--gutter) 4rem;
}
.loading-initial {
    font-family: var(--mono);
    color: var(--fg-subtle);
    text-align: center;
    padding: 6rem 0;
    font-size: 13px;
}

/* Generic page h1 */
.page > h1 {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.025em;
    color: var(--fg);
    margin: 0 0 2rem;
}

/* ---------- KPI strip ---------- */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0;
    margin-bottom: 2.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-subtle);
    overflow: hidden;
}
.stat-card {
    padding: 1.25rem 1.5rem;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: .35rem;
    position: relative;
}
.stat-card:last-child { border-right: 0; }
.stat-card .stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--fg-subtle);
    letter-spacing: -0.005em;
}
.stat-card .stat-value {
    font-size: 26px;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--fg);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}

/* ---------- Filters ---------- */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: stretch;
    margin-bottom: 1.25rem;
}
.filters input,
.filters select {
    height: 36px;
    padding: 0 12px;
    background: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--fg);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: var(--sans);
    transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
    min-width: 0;
}
.filters input::placeholder { color: var(--fg-faint); }
.filters input:hover,
.filters select:hover { border-color: var(--border-hover); }
.filters input:focus,
.filters select:focus {
    outline: none;
    border-color: var(--fg);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--fg) 10%, transparent);
}
.filters select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 28px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='4 6 8 10 12 6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
    cursor: pointer;
}
.filters .search-box {
    flex: 2;
    min-width: 220px;
}
.filters select { flex: 1; min-width: 130px; }

.filters button,
.filters .outline,
.filters .clear-btn {
    height: 36px;
    padding: 0 14px;
    background: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--fg);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: -0.005em;
    transition: background .15s var(--ease), border-color .15s var(--ease);
}
.filters button:hover { background: var(--bg-hover); border-color: var(--border-hover); }

.result-count {
    font-size: 13px;
    color: var(--fg-subtle);
    margin: 0 0 .75rem;
}

/* ---------- Table card ---------- */
.table-wrapper {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    overflow: hidden;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.report-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.report-table thead { background: var(--bg-subtle); }
.report-table thead th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 500;
    color: var(--fg-subtle);
    letter-spacing: .04em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    position: sticky;
    top: var(--header-h);
    background: var(--bg-subtle);
    z-index: 1;
    transition: color .15s;
}
.report-table thead th:hover { color: var(--fg); }
.report-table thead th.sorted { color: var(--fg); }
.report-table thead th .sort-arrow {
    margin-left: 4px;
    opacity: .5;
    font-size: 9px;
}
.report-table thead th.sorted .sort-arrow { opacity: 1; }

.report-table tbody tr {
    border-top: 1px solid var(--border);
    cursor: pointer;
    transition: background .12s var(--ease);
}
.report-table tbody tr:first-child { border-top: 0; }
.report-table tbody tr:hover { background: var(--bg-subtle); }
.report-table td {
    padding: 12px 14px;
    vertical-align: middle;
    color: var(--fg);
    font-variant-numeric: tabular-nums;
}
.report-table .col-id { width: 120px; }
.report-table .col-id code {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--fg-muted);
    background: transparent;
    padding: 0;
}
.report-table .col-title {
    color: var(--fg);
    font-weight: 500;
    letter-spacing: -0.005em;
    max-width: 560px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.report-table tbody tr:hover .col-title { color: var(--fg); }
.report-table .col-bounty { width: 110px; text-align: right; }
.report-table .col-severity { width: 140px; }
.report-table .col-status { width: 110px; }
.report-table .col-date { width: 110px; color: var(--fg-subtle); }

/* ---------- Badges (pill style) ---------- */
.bounty-badge {
    display: inline-flex;
    align-items: baseline;
    gap: 1px;
    font-family: var(--mono);
    font-size: 12.5px;
    font-weight: 600;
    color: var(--fg);
    letter-spacing: -.01em;
    font-variant-numeric: tabular-nums;
    background: none;
    padding: 0;
    border-radius: 0;
}
.bounty-badge::before {
    content: '$';
    font-size: 10.5px;
    color: var(--fg-subtle);
    font-weight: 500;
    margin-right: 1px;
}

.severity-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 9px 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: -0.005em;
    background: var(--bg-hover);
    color: var(--fg-muted);
    border: 1px solid var(--border);
    white-space: nowrap;
}
.severity-badge::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--fg-faint);
    flex-shrink: 0;
}
.severity-badge.s0-critical { color: var(--red); border-color: color-mix(in srgb, var(--red) 30%, var(--border)); background: color-mix(in srgb, var(--red) 8%, var(--bg-subtle)); }
.severity-badge.s0-critical::before { background: var(--red); }
.severity-badge.s1-high     { color: #ff8a3d; border-color: color-mix(in srgb, #ff8a3d 30%, var(--border)); background: color-mix(in srgb, #ff8a3d 8%, var(--bg-subtle)); }
.severity-badge.s1-high::before { background: #ff8a3d; }
.severity-badge.s2-medium   { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 30%, var(--border)); background: color-mix(in srgb, var(--amber) 8%, var(--bg-subtle)); }
.severity-badge.s2-medium::before { background: var(--amber); }
.severity-badge.s3-low      { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 30%, var(--border)); background: color-mix(in srgb, var(--blue) 8%, var(--bg-subtle)); }
.severity-badge.s3-low::before { background: var(--blue); }
.severity-badge.s4-minimal  { color: var(--green); border-color: color-mix(in srgb, var(--green) 30%, var(--border)); background: color-mix(in srgb, var(--green) 8%, var(--bg-subtle)); }
.severity-badge.s4-minimal::before { background: var(--green); }

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    color: var(--fg-muted);
    background: var(--bg-hover);
    border: 1px solid var(--border);
    white-space: nowrap;
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: .5rem;
    margin-top: 1.5rem;
    font-family: var(--mono);
}
.pagination button {
    height: 32px;
    padding: 0 12px;
    background: var(--bg);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--fg);
    font-size: 12px;
    font-weight: 500;
    transition: background .15s var(--ease), border-color .15s var(--ease);
}
.pagination button:hover:not(:disabled) { background: var(--bg-hover); border-color: var(--border-hover); }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }
.pagination .page-info {
    font-size: 12px;
    color: var(--fg-subtle);
    padding: 0 .5rem;
}

/* ---------- Report detail ---------- */
.report-detail {
    max-width: 760px;
    margin: 0 auto;
}
.report-detail .back-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: 13px;
    color: var(--fg-muted);
    margin-bottom: 2rem;
    transition: color .15s;
}
.report-detail .back-link:hover { color: var(--fg); }

.report-header {
    margin-bottom: 2rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--border);
}
.report-header h1 {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.025em;
    color: var(--fg);
    margin: 0 0 .75rem;
}
.report-header a[target="_blank"] {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: 13px;
    color: var(--fg-muted);
    transition: color .15s;
}
.report-header a[target="_blank"]:hover { color: var(--fg); }

/* section sub-headings inside detail (Report, Attachments, Timeline) */
.report-detail > h2,
.report-detail .attachments-section h2 {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--fg);
    margin: 2.5rem 0 1rem;
}

/* Metadata grid as card */
.metadata-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-subtle);
    overflow: hidden;
}
.metadata-item {
    padding: 12px 16px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.metadata-item .meta-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--fg-subtle);
    margin-bottom: 2px;
    letter-spacing: -0.005em;
}
.metadata-item .meta-value {
    font-size: 13px;
    font-weight: 500;
    color: var(--fg);
    font-variant-numeric: tabular-nums;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Markdown ---------- */
.markdown-content {
    font-size: 15px;
    line-height: 1.7;
    color: var(--fg);
    letter-spacing: -0.003em;
}
.markdown-content > *:first-child { margin-top: 0; }
.markdown-content > *:last-child { margin-bottom: 0; }
.markdown-content p { margin: 0 0 1rem; }
.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin: 1.75rem 0 .75rem;
    color: var(--fg);
}
.markdown-content h1 { font-size: 22px; }
.markdown-content h2 { font-size: 18px; }
.markdown-content h3 { font-size: 16px; }
.markdown-content h4 { font-size: 14px; }
.markdown-content a { color: var(--fg); border-bottom: 1px solid var(--border-hover); transition: border-color .15s; }
.markdown-content a:hover { border-color: var(--fg); }
.markdown-content code {
    font-family: var(--mono);
    font-size: .88em;
    background: var(--bg-hover);
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid var(--border);
    color: var(--fg);
}
.markdown-content pre {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    font-family: var(--mono);
    font-size: 12.5px;
    line-height: 1.6;
    overflow-x: auto;
    margin: 1.25rem 0;
}
.markdown-content pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.markdown-content blockquote {
    border-left: 2px solid var(--border-hover);
    padding: .25rem 0 .25rem 1rem;
    margin: 1rem 0;
    color: var(--fg-muted);
}
.markdown-content table {
    font-size: 13px;
    border-collapse: collapse;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    margin: 1.25rem 0;
    overflow: hidden;
}
.markdown-content th {
    background: var(--bg-subtle);
    text-align: left;
    font-weight: 500;
    color: var(--fg-muted);
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
}
.markdown-content td {
    padding: 8px 12px;
    border-top: 1px solid var(--border);
}
.markdown-content ul, .markdown-content ol { padding-left: 1.4rem; margin: 0 0 1rem; }
.markdown-content li { margin-bottom: .35rem; }
.markdown-content hr { border: 0; border-top: 1px solid var(--border); margin: 1.75rem 0; }
.markdown-content img {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    margin: 1rem 0;
}

/* ---------- Attachments ---------- */
.attachments-section { margin: 2.5rem 0 0; }
.attachment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 8px;
}
.attachment-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--fg);
    transition: border-color .15s var(--ease), background .15s var(--ease);
    min-width: 0;
}
.attachment-card:hover { border-color: var(--border-hover); background: var(--bg-subtle); }
.attachment-icon {
    font-size: 16px;
    width: 28px; height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    border-radius: 6px;
    color: var(--fg-muted);
    flex-shrink: 0;
}
.attachment-info { min-width: 0; }
.attachment-info .att-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--fg);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.attachment-info .att-meta {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-subtle);
    margin-top: 1px;
}

/* Inline previews */
.inline-preview { margin: 1rem 0; }
.inline-preview img,
.inline-preview video {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    max-width: 100%;
    display: block;
}

/* ---------- Timeline ---------- */
.timeline {
    margin: 1rem 0 0;
    padding-left: 1.25rem;
    border-left: 1px solid var(--border);
    position: relative;
}
.timeline-entry {
    margin-bottom: 1.5rem;
    position: relative;
}
.timeline-entry:last-child { margin-bottom: 0; }
.timeline-entry::before {
    content: '';
    position: absolute;
    left: -1.55rem;
    top: .5rem;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--border-hover);
}
.timeline-entry.bounty-entry::before {
    background: var(--fg);
    border-color: var(--fg);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--fg) 15%, transparent);
}
.timeline-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 12px;
    color: var(--fg-subtle);
    margin-bottom: .35rem;
}
.timeline-author { color: var(--fg); font-weight: 500; }
.timeline-text {
    font-size: 13.5px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--fg-muted);
}

/* Report actions (report.json / report.md links row) */
.report-detail > div:last-child a {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--fg);
    font-family: var(--mono);
    font-size: 12px;
    transition: background .15s, border-color .15s;
}
.report-detail > div:last-child a:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

/* ---------- Stats page ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 16px;
    margin-top: 1.5rem;
}
.chart-card {
    padding: 1.25rem 1.25rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    transition: border-color .2s var(--ease);
}
.chart-card:hover { border-color: var(--border-hover); }
.chart-card h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--fg);
    margin: 0 0 1rem;
    letter-spacing: -0.01em;
}
.chart-card canvas { max-height: 280px; }

.top-bounties-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.top-bounties-table thead {
    background: var(--bg-subtle);
}
.top-bounties-table thead th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 500;
    color: var(--fg-subtle);
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--border);
}
.top-bounties-table tbody tr { border-top: 1px solid var(--border); }
.top-bounties-table tbody tr:hover { background: var(--bg-subtle); }
.top-bounties-table td { padding: 11px 14px; font-variant-numeric: tabular-nums; }
.top-bounties-table .rank {
    width: 40px;
    text-align: center;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--fg-subtle);
    font-weight: 500;
}

/* ---------- Error banner ---------- */
.error-banner {
    max-width: 480px;
    margin: 5rem auto;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-subtle);
    text-align: center;
}
.error-banner strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--fg);
    margin-bottom: .5rem;
    letter-spacing: -0.015em;
}
.error-banner p {
    font-size: 13px;
    color: var(--fg-muted);
    margin-bottom: 1.25rem;
    font-family: var(--mono);
}
.error-banner button,
.error-banner a {
    display: inline-block;
    margin: 0 .25rem;
    padding: 7px 14px;
    background: var(--bg);
    color: var(--fg);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: background .15s, border-color .15s;
}
.error-banner button:hover,
.error-banner a:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

/* ---------- Skeleton ---------- */
@keyframes skeleton-pulse {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
.skeleton-line {
    border-radius: 4px;
    background: linear-gradient(
        90deg,
        var(--bg-hover) 25%,
        var(--bg-active) 50%,
        var(--bg-hover) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-pulse 1.4s ease infinite;
}

/* ---------- Colophon ---------- */
.colophon {
    margin-top: auto;
    border-top: 1px solid var(--border);
    background: var(--bg-subtle);
}
.colophon-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 2rem var(--gutter);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    font-size: 13px;
}
.colophon-col { display: flex; flex-direction: column; gap: .4rem; }
.colophon-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--fg-subtle);
    margin-bottom: .1rem;
    letter-spacing: -0.005em;
}
.colophon-col a {
    color: var(--fg-muted);
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    transition: color .15s;
    width: fit-content;
}
.colophon-col a:hover { color: var(--fg); }
.colophon-col span { color: var(--fg-muted); }
.colophon-meta .colophon-label + span { color: var(--fg); font-weight: 500; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .stats-grid { grid-template-columns: 1fr; }
    .colophon-inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    body { font-size: 13.5px; }
    .page { padding: 2rem var(--gutter) 3rem; }
    .brand-badge { display: none; }
    .nav-sep { display: none; }
    .nav-link { padding: 6px 8px; font-size: 12.5px; }
    .filters { flex-direction: column; }
    .filters .search-box,
    .filters select,
    .filters button { flex: 0 0 auto; width: 100%; }
    .stats-bar { grid-template-columns: 1fr 1fr; }
    .stat-card:nth-child(odd) { border-right: 1px solid var(--border); }
    .stat-card { border-bottom: 1px solid var(--border); }
    .stat-card:nth-last-child(-n+2) { border-bottom: 0; }
    .report-table { font-size: 12.5px; }
    .report-table .col-status,
    .report-table .col-date { display: none; }
    .report-table thead th { top: 0; }
    .metadata-grid { grid-template-columns: 1fr 1fr; }
    .colophon-inner { grid-template-columns: 1fr 1fr; }
    .page > h1 { font-size: 24px; }
    .report-header h1 { font-size: 22px; }
}