:root {
  --bg: #0e0f12;
  --panel: #181a20;
  --fg: #e6e6e6;
  --muted: #8b8d94;
  --accent: #4f8cff;
  --good: #2ecc71;
  --bad: #e74c3c;
  --warn: #f1c40f;
  --border: #2a2c33;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem;
}

/* Top nav: brand on the left, links on the right */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--fg);
}
.brand__mark {
  font-size: 1.5rem;
  color: var(--accent);
}
.brand__wordmark {
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand__byline {
  color: var(--muted);
  font-size: 0.85rem;
}
.topnav nav {
  display: inline-flex;
  gap: 1.25rem;
}
.topnav nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.topnav nav a:hover { color: var(--accent); }

.hero h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.lede {
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 70ch;
}

.site-footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
.site-footer a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}
.site-footer a:hover { color: var(--accent); text-decoration-color: var(--accent); }

.back {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-block;
  margin-bottom: 0.5rem;
}
.back:hover { color: var(--accent); }

/* Drop zone */
.drop {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 3rem 1rem;
  text-align: center;
  margin: 1.5rem 0;
  transition: border-color 120ms, background 120ms;
}
.drop:hover, .drop--hot {
  border-color: var(--accent);
  background: rgba(79, 140, 255, 0.06);
}
.drop__label {
  display: block;
  cursor: pointer;
  color: var(--muted);
}
.drop__hint { font-size: 1rem; }

/* Add-to-recents toggle */
.recents-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0 1.25rem;
  font-size: 0.9rem;
  color: var(--fg);
  cursor: pointer;
}
.recents-toggle input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
  flex: none;
}
.recents-toggle__hint {
  color: var(--muted);
  font-size: 0.85rem;
}

/* "or" divider between drop zone and generate panel */
.or-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.or-divider::before,
.or-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--border);
}

/* Generate panel — always visible, primary CTA */
.generate {
  background: var(--panel);
  padding: 1.25rem 1.25rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.generate__title {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.generate__lede {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}
.generate__row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: stretch;
}
.generate__row input[type="text"] {
  flex: 1 1 18rem;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font: inherit;
}
.generate__row input[type="text"]:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.15);
}
.generate .btn-primary {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 0.6rem 1.1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.generate .btn-primary:hover { filter: brightness(1.1); }
.generate__advanced {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.generate__advanced summary {
  cursor: pointer;
  user-select: none;
}
.generate__advanced label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.5rem;
}
.generate__advanced input[type="text"] {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font: inherit;
}

.status {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.status--busy {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(79, 140, 255, 0.06);
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.status__msg { color: var(--fg); }
.status__elapsed { color: var(--muted); font-size: 0.85rem; }

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: spinner-spin 0.7s linear infinite;
  flex: none;
}
@keyframes spinner-spin {
  to { transform: rotate(360deg); }
}

/* While a probe / generate is in flight: dim the controls so the user can
   see the page is locked, and block pointer events on the drop zone so
   dragging a second image silently does nothing. */
body.is-busy .drop,
body.is-busy .generate {
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
}
body.is-busy .recents-toggle {
  opacity: 0.55;
  pointer-events: none;
}
.drop--locked { cursor: not-allowed; }

/* Report page hero: lead with the human-readable description (prompt /
   AI caption / filename), then the verdict pill, then the cert-chain
   summary as small muted meta. Inverts the old "verdict first, prompt
   buried" layout — the boring pkix story belongs below the fold. */
.kicker {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0.25rem 0 0.6rem;
}
.headline {
  font-size: clamp(1.6rem, 3vw + 0.5rem, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--fg);
  max-width: 62ch;
  word-break: break-word;
}

.verdict-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 0.85rem;
  margin: 0.25rem 0 0.75rem;
}
.verdict-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.verdict-pill[data-verdict="VERIFIED"] {
  color: var(--good);
  border-color: var(--good);
  background: rgba(46, 204, 113, 0.08);
}
.verdict-pill[data-verdict="SIGNATURE OK"],
.verdict-pill[data-verdict="SIGNATURE_OK"] {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(79, 140, 255, 0.08);
}
.verdict-pill[data-verdict="UNTRUSTED"] {
  color: var(--bad);
  border-color: var(--bad);
  background: rgba(231, 76, 60, 0.08);
}
.verdict-pill[data-verdict="NO MANIFEST"],
.verdict-pill[data-verdict="NO_MANIFEST"] {
  color: var(--warn);
  border-color: var(--warn);
  background: rgba(241, 196, 15, 0.08);
}

.verdict-detail {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

.banner {
  font-size: 1.05rem;
  margin: 0.5rem 0 0.5rem;
  line-height: 1.5;
  color: var(--fg);
}
.banner--meta {
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 80ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
  margin-top: 0.75rem;
}
.actions button,
.actions a[download] {
  background: var(--panel);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
}
.actions button:hover,
.actions a[download]:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.copy-status {
  color: var(--muted);
  font-size: 0.85rem;
}

/* Stack images vertically, each at full content width — the summary card
   is rendered at 1200×2100 so the previous 2-column grid was downscaling
   it by 60%+ and looked muddy. Single column gives ~980px, ≈18%
   downscale, sharp enough. Click-through opens the raw native PNG. */
.images {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.images figure {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem;
}
.images figcaption {
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.images figcaption .hint {
  font-size: 0.7rem;
  opacity: 0.7;
}
.images a {
  display: block;
  line-height: 0;
  border-radius: 6px;
  outline: 0;
  transition: opacity 100ms ease;
  /* Center smaller-than-column images so they don't get stretched. */
  text-align: center;
}
.images a:hover {
  opacity: 0.85;
}
.images a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.images img {
  /* Don't upscale beyond native resolution — caps at the source's true
     pixel width so a small uploaded image stays sharp. */
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  display: inline-block;
  cursor: zoom-in;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}
.panel h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.panel__head h2 { margin-bottom: 0; }

/* Inline copy buttons next to JSON / report blocks. */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  transition: color 100ms, border-color 100ms;
}
.copy-btn:hover,
.copy-btn:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  outline: 0;
}
.copy-btn[data-state="copied"] {
  color: var(--good);
  border-color: var(--good);
}
.copy-btn svg { display: block; }

/* Glossary popovers — let visitors hover acronyms (OCSP, CRL, CA, …)
   for a definition. Underline gently so the affordance is discoverable
   without screaming "click me". */
abbr[title] {
  text-decoration: underline dotted var(--muted);
  text-underline-offset: 2px;
  cursor: help;
}

/* Index explainer block: "what does this tool actually do?" */
.explainer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--fg);
}
.explainer__title {
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
}
.explainer__steps {
  margin: 0 0 1rem 1.25rem;
  padding: 0;
  font-size: 0.95rem;
  line-height: 1.5;
}
.explainer__steps li { margin-bottom: 0.5rem; }
.explainer__caveat {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
  border-left: 3px solid var(--warn);
  padding: 0.5rem 0 0.5rem 0.75rem;
  background: rgba(241, 196, 15, 0.04);
  border-radius: 0 4px 4px 0;
}

/* Report-page verdict explainer (collapsed by default) — addresses the
   "verdict laundering" concern: a green check is just a receipt, not a
   guarantee that the depicted content is real. */
.verdict-explainer {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}
.verdict-explainer summary {
  cursor: pointer;
  color: var(--muted);
}
.verdict-explainer summary:hover { color: var(--accent); }
.verdict-explainer__body {
  margin-top: 0.5rem;
  padding: 0.75rem 0.9rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  color: var(--fg);
  line-height: 1.55;
}
.verdict-explainer__body p { margin: 0 0 0.5rem; }
.verdict-explainer__body p:last-child { margin-bottom: 0; }

/* The primary view on /r/{id}: render the CLI's long-form markdown
   report as the lead artifact. Everything else (panels, raw JSON) is
   reference material below. */
.md-report {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin: 1.25rem 0 1.5rem;
  line-height: 1.6;
  color: var(--fg);
}
.md-report h1 {
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}
.md-report h2 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.5rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--fg);
}
.md-report h3 {
  font-size: 1rem;
  margin: 1.1rem 0 0.4rem;
  color: var(--fg);
}
.md-report p { margin: 0.5rem 0; }
.md-report blockquote {
  margin: 0.75rem 0;
  padding: 0.6rem 0.9rem;
  border-left: 3px solid var(--accent);
  background: rgba(79, 140, 255, 0.06);
  border-radius: 0 6px 6px 0;
  color: var(--fg);
}
.md-report blockquote em {
  color: var(--muted);
  font-style: italic;
}
.md-report ul, .md-report ol {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
}
.md-report li { margin: 0.2rem 0; }
.md-report code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
  font-size: 0.88em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.md-report pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
  overflow-x: auto;
  font-size: 0.85rem;
}
.md-report pre code {
  background: transparent;
  border: 0;
  padding: 0;
}
.md-report a { color: var(--accent); }
.md-report img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 0.75rem 0;
}
.md-report table {
  width: 100%;
  margin: 0.75rem 0;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.md-report table th,
.md-report table td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
.md-report table th {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

/* Confidence panel — plain-English bullets summarising why we trust
   (or don't trust) the verdict. The headline tier sets the colour. */
.confidence-headline {
  font-size: 1.05rem;
  margin: 0 0 0.6rem;
  color: var(--fg);
}
.confidence-headline[data-tier="high"]   { color: var(--good); }
.confidence-headline[data-tier="medium"] { color: var(--warn); }
.confidence-headline[data-tier="low"]    { color: var(--bad); }
.confidence-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.92rem;
}
.confidence-bullets li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
}
.confidence-bullets li[data-ok="yes"] .confidence-icon { color: var(--good); }
.confidence-bullets li[data-ok="no"]  .confidence-icon { color: var(--bad); }
.confidence-icon { font-weight: 700; flex: none; width: 0.9rem; }

/* External-verifier cross-check panel: a row of external links that take
   the same image to other public C2PA verifiers. Disagreements between
   verifiers are the highest-signal check this tool can give a journalist. */
.cross-check__lede {
  margin: 0 0 0.6rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.cross-check__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}
.cross-check__links a {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.85rem;
}
.cross-check__links a:hover,
.cross-check__links a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: 0;
}

/* Drop-zone secondary line — file-format hint under the main affordance. */
.drop__sub {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted);
}

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1rem;
  margin: 0;
  font-size: 0.92rem;
}
dt {
  color: var(--muted);
}
dd {
  margin: 0;
  word-break: break-word;
}

.chain-row {
  border-top: 1px solid var(--border);
  padding: 0.6rem 0;
}
.chain-row:first-child { border-top: 0; }
.chain-row summary {
  cursor: pointer;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.92rem;
}
.chain-row dl {
  margin-top: 0.5rem;
  padding-left: 1rem;
}

#raw-json {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  overflow-x: auto;
  font-size: 0.78rem;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Recent runs table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table th, table td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
table th {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
table a {
  color: var(--accent);
  text-decoration: none;
}
table a:hover { text-decoration: underline; }
.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.78rem;
  background: var(--bg);
  border: 1px solid var(--border);
}
.badge[data-verdict="VERIFIED"] { color: var(--good); border-color: var(--good); }
.badge[data-verdict="SIGNATURE OK"] { color: var(--accent); border-color: var(--accent); }
.badge[data-verdict="UNTRUSTED"] { color: var(--bad); border-color: var(--bad); }
.badge[data-verdict="NO MANIFEST"] { color: var(--warn); border-color: var(--warn); }

/* Recent runs: label column ellipsizes long prompts/filenames so the
   table stays readable. Hover to see the full text via title attr. */
.label-cell {
  max-width: 32ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.label-cell .muted { color: var(--muted); }
table time { font-variant-numeric: tabular-nums; color: var(--muted); }

/* Whole-row clickable navigation in the recent runs table. */
.runs-table tbody .row-link {
  cursor: pointer;
  transition: background-color 100ms ease;
}
.runs-table tbody .row-link:hover,
.runs-table tbody .row-link:focus-visible {
  background: rgba(79, 140, 255, 0.08);
  outline: 0;
}
.runs-table tbody .row-link:focus-visible td:first-child {
  box-shadow: inset 3px 0 0 var(--accent);
}
.runs-table code {
  color: var(--muted);
  font-size: 0.85rem;
}

/* Shimmer placeholder rows shown during pager fetches so the table never
   collapses to a blank panel between clicks. */
.row-skeleton td {
  height: 2.25rem;
}
.row-skeleton td::after {
  content: "";
  display: block;
  height: 0.75rem;
  width: 70%;
  border-radius: 4px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04) 0%,
    rgba(255, 255, 255, 0.10) 50%,
    rgba(255, 255, 255, 0.04) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.1s linear infinite;
}
.row-skeleton td:nth-child(2)::after { width: 90%; }
.row-skeleton td:nth-child(6)::after { width: 50%; }
@keyframes skeleton-shimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* Pagination controls beneath the recent runs table. */
.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.pager__btn {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.85rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 100ms, color 100ms;
}
.pager__btn:hover:not(:disabled),
.pager__btn:focus-visible:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  outline: 0;
}
.pager__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pager__meta {
  color: var(--muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

/* Datatable toolbar: filter input + verdict chips above the runs table. */
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.table-toolbar__filter {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1 1 18rem;
  min-width: 12rem;
}
#filter {
  flex: 1;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.7rem;
  font: inherit;
  font-size: 0.9rem;
}
#filter:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.18);
}
#filter::-webkit-search-cancel-button { filter: invert(0.7); }
.filter__count {
  color: var(--muted);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.chips {
  display: inline-flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}
.chip {
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color 100ms, color 100ms, background 100ms;
}
.chip:hover { color: var(--fg); border-color: var(--accent); }
.chip.is-active {
  color: var(--fg);
  border-color: var(--accent);
  background: rgba(79, 140, 255, 0.12);
}

/* Sticky thead so the column labels stay visible while scrolling a long
   table, plus sortable header buttons. */
.runs-wrap { position: relative; }
.runs-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 1;
}
.th-sort {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: 0;
  color: inherit;
  font: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  padding: 0;
}
.th-sort:hover { color: var(--fg); }
.th-sort__arrow::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0;
  transition: opacity 100ms, transform 100ms;
}
.runs-table th.is-sorted .th-sort { color: var(--accent); }
.runs-table th.is-sorted .th-sort__arrow::after { opacity: 1; }
.runs-table th.is-sorted.is-asc .th-sort__arrow::after {
  transform: rotate(180deg);
}

.no-match {
  color: var(--muted);
  padding: 1rem 0;
  text-align: center;
  font-size: 0.9rem;
}

.kbd-hint {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: right;
}
.kbd-hint kbd {
  display: inline-block;
  padding: 0.05rem 0.4rem;
  margin: 0 0.1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  color: var(--fg);
}

/* Floating thumbnail of the rendered summary card on row hover. Lives at
   the document root in fixed-position so it can escape the table's stacking
   context and follow the cursor without scrolling oddities. */
.row-preview {
  position: fixed;
  width: 320px;
  pointer-events: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 6px 4px;
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.55),
    0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 100;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  transition: opacity 130ms ease, transform 130ms ease;
}
.row-preview.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.row-preview img {
  display: block;
  width: 100%;
  border-radius: 6px;
  background: var(--bg);
}
.row-preview__hint {
  text-align: center;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 0 2px;
}

/* ===== mobile breakpoint ====================================================
   The desktop layout assumed a 980px column. Below ~640px (most phones),
   we collapse the recent runs table into stacked cards, drop hover-only
   affordances, and grow the hero text so it reads on a 375px screen. */
@media (max-width: 640px) {
  main { padding: 0.75rem 0.75rem 4rem; }
  .hero h1 { font-size: 1.5rem; line-height: 1.2; }
  .hero--report h1 { font-size: 1.6rem; }

  /* Drop zone: tap-to-pick on touch, drag prompt off — mobile users can't
     drag images from another app. */
  .drop { padding: 2rem 0.75rem; }
  @media (hover: none) {
    .drop__hint::before { content: "tap to pick a photo"; }
    .drop__hint { font-size: 0; }
    .drop__hint::before { font-size: 1rem; }
  }

  .generate__row { flex-direction: column; }
  .generate .btn-primary { width: 100%; }

  /* Collapse the 6-col recent table into stacked cards. Each row becomes a
     vertical block: label + status badge top, signer + root underneath,
     timestamp + sha at the bottom. */
  .runs-table thead { display: none; }
  .runs-table,
  .runs-table tbody,
  .runs-table tr,
  .runs-table td { display: block; width: 100%; }
  .runs-table tr.row-link {
    border-top: 1px solid var(--border);
    padding: 0.6rem 0.5rem;
  }
  .runs-table tr.row-link:first-child { border-top: 0; }
  .runs-table td {
    padding: 0.15rem 0;
    border: 0;
  }
  .label-cell {
    max-width: 100%;
    white-space: normal;
    font-weight: 500;
  }

  /* Hero report card stacks at full width; verdict pill becomes block-level. */
  .verdict-row { flex-wrap: wrap; gap: 0.4rem; }
  .actions { gap: 0.4rem; }

  /* Pager buttons: full-width, sticky to thumb zone for one-handed use. */
  .pager {
    position: sticky;
    bottom: env(safe-area-inset-bottom, 0);
    background: var(--bg);
    margin: 1rem -0.75rem 0;
    padding: 0.75rem 0.75rem env(safe-area-inset-bottom, 0.75rem);
  }

  /* Toolbar wraps so chips don't overflow viewport. */
  .table-toolbar { flex-direction: column; align-items: stretch; gap: 0.5rem; }
}
}