:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-2: #f0f2f7;
  --surface-3: #e7eaf2;
  --border: #dfe3ec;
  --border-strong: #c9cfdc;
  --text: #182032;
  --muted: #5a6478;
  --faint: #8a93a6;
  --accent: #2f5bea;
  --accent-ink: #ffffff;
  --accent-soft: #e8eefe;
  --spark: #d97757;
  --identical: #a3172b;
  --match: #dc3545;
  --partial: #d98400;
  --none: #1e9e5a;
  --na: #9aa3b5;
  --identical-soft: #fbe4e7;
  --match-soft: #fde8ea;
  --partial-soft: #fdf1dd;
  --none-soft: #e2f5ea;
  --na-soft: #eef0f5;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 16px rgba(16, 24, 40, 0.06);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0e121a;
    --surface: #161b25;
    --surface-2: #1c2230;
    --surface-3: #252c3b;
    --border: #2a3242;
    --border-strong: #39435a;
    --text: #e6e9f0;
    --muted: #a3acbf;
    --faint: #6f7a90;
    --accent: #6d8dff;
    --accent-ink: #0b1020;
    --accent-soft: #1f2a4d;
    --spark: #eb9473;
    --identical: #ff6b7d;
    --match: #ff7a85;
    --partial: #f5b14a;
    --none: #4ccf8a;
    --na: #6f7a90;
    --identical-soft: #3b1820;
    --match-soft: #3a1c22;
    --partial-soft: #3a2c14;
    --none-soft: #15301f;
    --na-soft: #1f2532;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 20px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0;
}

a {
  color: var(--accent);
}

button {
  font: inherit;
  color: inherit;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[hidden] {
  display: none !important;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ------------------------------------------------------------ top bar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-mark {
  width: 30px;
  height: 30px;
  stroke-width: 2;
}

.mark-a {
  stroke: var(--accent);
}

.mark-b {
  stroke: var(--accent);
  fill: var(--accent-soft);
}

.mark-scan {
  stroke: var(--partial);
  stroke-width: 2.2;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 14px;
}

.topnav a:hover {
  color: var(--text);
  background: var(--surface-2);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
}

.icon-btn:hover {
  background: var(--surface-2);
  color: var(--text);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* ------------------------------------------------------------ hero / upload */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px;
}

.hero {
  padding: 40px 0 24px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(26px, 4vw, 38px);
  letter-spacing: -0.02em;
}

/* the site's thesis, under the main heading */
.thesis {
  max-width: 760px;
  margin: 16px auto 0;
  padding: 14px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.thesis p {
  margin: 0;
  font-size: 14.5px;
  color: var(--muted);
}

.thesis .thesis-head {
  margin-bottom: 6px;
  font-size: 17px;
  color: var(--text);
}

.thesis strong {
  font-weight: 700;
}

.lede {
  max-width: 720px;
  margin: 12px auto 28px;
  color: var(--muted);
  font-size: 16px;
}

.lede strong {
  color: var(--text);
  font-weight: 600;
}

.drops {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
  max-width: 920px;
  margin: 0 auto;
}

.drop {
  position: relative;
  height: 260px;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  outline: none;
  overflow: hidden;
}

.drop:hover,
.drop:focus-visible {
  border-color: var(--accent);
}

.drop.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

.drop.filled {
  border-style: solid;
  border-color: var(--border);
  box-shadow: var(--shadow);
}

.drop-empty {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px;
  color: var(--muted);
  font-size: 13px;
}

.drop-empty strong {
  color: var(--text);
  font-size: 16px;
}

.drop-empty svg {
  width: 34px;
  height: 34px;
  color: var(--accent);
  margin-bottom: 4px;
}

.drop-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 14px;
  display: grid;
  place-items: center;
  z-index: 2;
}

.drop-filled {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background-color: var(--surface-2);
  background-image: linear-gradient(45deg, var(--surface-3) 25%, transparent 25%),
    linear-gradient(-45deg, var(--surface-3) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--surface-3) 75%),
    linear-gradient(-45deg, transparent 75%, var(--surface-3) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.drop-filled img {
  flex: 1;
  min-height: 0;
  width: 100%;
  object-fit: contain;
  padding: 10px;
}

.drop-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--muted);
  text-align: left;
}

.drop-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  font-weight: 500;
}

.drop-dims {
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 11.5px;
}

.drop-clear {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  z-index: 2;
}

.drop-clear:hover {
  color: var(--match);
}

.swap {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--muted);
  box-shadow: var(--shadow);
}

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

.swap svg {
  width: 20px;
  height: 20px;
}

.linklike {
  background: none;
  border: 0;
  padding: 0;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  font-size: inherit;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  cursor: pointer;
  font-weight: 600;
  font-size: 14.5px;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}

.btn:hover:not(:disabled) {
  background: var(--surface-2);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  padding: 11px 26px;
  font-size: 15.5px;
}

.btn.primary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 88%, black);
}

.btn.primary-soft {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--accent);
}

.btn.small {
  padding: 7px 12px;
  font-size: 13px;
  border-radius: 8px;
}

.btn svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
}

.samples {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--muted);
}

.samples-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.pill {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text);
}

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

.download-note {
  font-size: 12.5px;
  color: var(--faint);
  margin: 14px auto 0;
  max-width: 640px;
}

/* ------------------------------------------------------------ results summary */

.results {
  padding: 8px 0 24px;
  scroll-margin-top: 70px;
}

.summary {
  display: grid;
  grid-template-columns: auto 1fr minmax(220px, 280px);
  gap: 24px;
  align-items: center;
  padding: 22px 24px;
}

.gauge {
  position: relative;
  width: 124px;
  height: 124px;
}

.gauge svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.gauge circle {
  fill: none;
  stroke-width: 10;
  stroke-linecap: butt;
  transition: stroke-dasharray 0.4s ease, stroke-dashoffset 0.4s ease;
}

.gauge-track {
  stroke: var(--surface-3);
}

.gauge-flag {
  stroke: var(--match);
}

.gauge-partial {
  stroke: var(--partial);
}

.gauge-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  padding-top: 40px;
  gap: 2px;
}

.gauge-num {
  font-size: 34px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.gauge-den {
  font-size: 15px;
  color: var(--muted);
}

.summary-kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--muted);
}

.summary-title {
  font-size: 26px;
  letter-spacing: -0.015em;
  margin: 2px 0 6px;
}

.summary[data-tone='identical'] .summary-title,
.summary[data-tone='match'] .summary-title {
  color: var(--match);
}

.summary[data-tone='partial'] .summary-title {
  color: var(--partial);
}

.summary[data-tone='none'] .summary-title {
  color: var(--none);
}

.summary[data-tone='similar'] .summary-title {
  color: var(--accent);
}

.summary-sub {
  margin: 0;
  color: var(--muted);
  max-width: 640px;
}

.summary-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.chip b {
  font-family: var(--mono);
  font-weight: 600;
}

.chip[data-verdict='identical'],
.chip[data-verdict='match'] {
  background: var(--match-soft);
  border-color: color-mix(in srgb, var(--match) 30%, transparent);
}

.chip[data-verdict='partial'] {
  background: var(--partial-soft);
  border-color: color-mix(in srgb, var(--partial) 30%, transparent);
}

.chip[data-verdict='none'] {
  background: var(--none-soft);
  border-color: color-mix(in srgb, var(--none) 30%, transparent);
}

.summary-side {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress {
  height: 6px;
  border-radius: 99px;
  background: var(--surface-3);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.25s ease;
}

.progress-text {
  font-size: 12.5px;
  color: var(--muted);
  min-height: 1.5em;
}

.summary-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------ tabs */

.tabs {
  display: flex;
  gap: 4px;
  margin: 22px 0 14px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tab {
  border: 0;
  background: none;
  padding: 10px 14px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
}

.tab[aria-selected='true'] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ------------------------------------------------------------ spotlight */

.spotlight {
  padding: 18px 22px;
  margin-bottom: 14px;
}

.spotlight h3 {
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.spotlight-intro {
  margin: 4px 0 14px;
  color: var(--muted);
  font-size: 13.5px;
}

.meter {
  display: grid;
  grid-template-columns: minmax(150px, 230px) 1fr 70px;
  gap: 14px;
  align-items: center;
  padding: 8px 0;
}

.meter + .meter {
  border-top: 1px dashed var(--border);
}

.meter-name {
  font-weight: 600;
  font-size: 14px;
}

.meter-name small {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 12px;
}

.meter-track {
  position: relative;
  height: 12px;
  border-radius: 99px;
  background: var(--surface-3);
  margin: 14px 0 18px;
}

.meter-zone {
  position: absolute;
  top: 0;
  bottom: 0;
  opacity: 0.28;
}

.meter-zone.partial {
  background: var(--partial);
}

.meter-zone.match {
  background: var(--match);
}

.meter-zone.match:last-child {
  border-radius: 0 99px 99px 0;
}

.meter-tick {
  position: absolute;
  top: -5px;
  bottom: -5px;
  width: 2px;
  background: var(--border-strong);
}

.meter-tick span {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  font-family: var(--mono);
}

.meter-marker {
  position: absolute;
  top: 50%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--surface);
  border: 4px solid var(--na);
  transform: translate(-50%, -50%);
  transition: left 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: var(--shadow);
}

.meter[data-verdict='match'] .meter-marker,
.meter[data-verdict='identical'] .meter-marker {
  border-color: var(--match);
}

.meter[data-verdict='partial'] .meter-marker {
  border-color: var(--partial);
}

.meter[data-verdict='none'] .meter-marker {
  border-color: var(--none);
}

.meter-value {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
  text-align: right;
}

.meter-status {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--sans);
  font-weight: 400;
}

/* ------------------------------------------------------------ legend & groups */

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12.5px;
  color: var(--muted);
  margin: 4px 2px 12px;
  align-items: center;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-hint {
  margin-left: auto;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot.identical {
  background: var(--identical);
}

.dot.match {
  background: var(--match);
}

.dot.partial {
  background: var(--partial);
}

.dot.none {
  background: var(--none);
}

.dot.na {
  background: var(--na);
}

.group {
  margin-bottom: 14px;
  overflow: hidden;
}

.group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.group-head::-webkit-details-marker {
  display: none;
}

.group-head:hover {
  background: var(--surface-2);
}

.group-head h3 {
  font-size: 15.5px;
}

.group-chevron {
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.15s;
  flex: none;
  margin-right: 2px;
}

details[open] > .group-head .group-chevron {
  transform: rotate(45deg);
}

.group-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-left: auto;
}

.gdot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--surface-3);
}

.gdot[data-verdict='identical'] {
  background: var(--identical);
}

.gdot[data-verdict='match'] {
  background: var(--match);
}

.gdot[data-verdict='partial'] {
  background: var(--partial);
}

.gdot[data-verdict='none'] {
  background: var(--none);
}

.gdot[data-verdict='na'] {
  background: var(--na);
  opacity: 0.6;
}

.gdot[data-verdict='running'] {
  background: var(--accent);
}

details.group:not([open]) .group-head {
  border-bottom: 0;
}

details.group[open] .group-head {
  padding-bottom: 4px;
}

.legend-actions {
  display: inline-flex;
  gap: 12px;
}

.group-count {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
  min-width: 78px;
  text-align: right;
}

.group-count b {
  color: var(--match);
}

.group-blurb {
  padding: 0 18px 10px;
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  max-width: 900px;
}

.engines {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border);
}

.engine {
  border-bottom: 1px solid var(--border);
  min-width: 0;
}

.engines .engine:nth-child(odd) {
  border-right: 1px solid var(--border);
}

.engine.open {
  grid-column: 1 / -1;
  border-right: 0 !important;
  background: var(--surface-2);
}

.engine-main {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 18px;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
}

.engine-main:hover {
  background: var(--surface-2);
}

.engine-icon {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--na);
}

.engine-icon svg {
  width: 14px;
  height: 14px;
  stroke-width: 3;
}

.engine[data-verdict='identical'] .engine-icon {
  background: var(--identical);
}

.engine[data-verdict='match'] .engine-icon {
  background: var(--match);
}

.engine[data-verdict='partial'] .engine-icon {
  background: var(--partial);
}

.engine[data-verdict='none'] .engine-icon {
  background: var(--none);
}

.engine[data-verdict='pending'] .engine-icon {
  background: var(--surface-3);
}

.engine[data-verdict='running'] .engine-icon {
  background: transparent;
}

.engine-icon .loader-glyph {
  font-size: 18px;
}

.engine-icon .loader-verb {
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.engine-titles {
  flex: 1;
  min-width: 0;
}

.engine-name {
  display: block;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.engine-name .star {
  color: var(--partial);
  margin-left: 4px;
}

.engine-by {
  display: block;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.engine-result {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  max-width: 48%;
}

.engine-value {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
}

.engine-verdict {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--faint);
  white-space: nowrap;
}

.engine[data-verdict='identical'] .engine-verdict {
  color: var(--identical);
}

.engine[data-verdict='match'] .engine-verdict {
  color: var(--match);
}

.engine[data-verdict='partial'] .engine-verdict {
  color: var(--partial);
}

.engine[data-verdict='none'] .engine-verdict {
  color: var(--none);
}

.engine-more {
  padding: 2px 18px 16px 52px;
  font-size: 13.5px;
}

.engine-more p {
  margin: 6px 0;
}

.engine-more h4 {
  margin: 12px 0 4px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 3px 14px;
  margin: 6px 0;
  font-size: 12.5px;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
  font-family: var(--mono);
  word-break: break-all;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--none-soft);
  color: color-mix(in srgb, var(--none) 75%, var(--text));
}

.tag.weak {
  background: var(--match-soft);
  color: color-mix(in srgb, var(--match) 75%, var(--text));
}

.note {
  margin: 8px 0;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--partial-soft);
  font-size: 13px;
}

.refs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 12.5px;
}

/* ------------------------------------------------------------ viewer */

.viewmodes {
  margin-bottom: 12px;
}

.viewmodes .pill[aria-pressed='true'] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.viewer {
  padding: 16px;
  display: grid;
  place-items: center;
  min-height: 240px;
  overflow: hidden;
}

.viewer canvas,
.viewer img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.view-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  width: 100%;
}

.view-pair figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.view-pair figcaption {
  font-size: 12.5px;
  color: var(--muted);
}

.swipe {
  position: relative;
  max-width: 100%;
  user-select: none;
  touch-action: none;
}

.swipe canvas {
  border-radius: 8px;
}

.swipe .swipe-top {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.swipe .swipe-top canvas {
  max-width: none;
}

.swipe-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3);
  cursor: ew-resize;
}

.swipe-handle::after {
  content: '⇆';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #fff;
  color: #222;
  display: grid;
  place-items: center;
  font-size: 15px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.swipe-label {
  position: absolute;
  top: 8px;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.viewer-caption {
  font-size: 13px;
  color: var(--muted);
  margin: 10px 2px;
}

.viewer-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.colorbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.colorbar i {
  width: 160px;
  height: 10px;
  border-radius: 4px;
  background: linear-gradient(90deg, #000004, #420a68, #932667, #dd513a, #fca50a, #fcffa4);
}

/* ------------------------------------------------------------ details */

.table-card {
  overflow-x: auto;
}

.details {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.details th,
.details td {
  text-align: left;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.details thead th {
  background: var(--surface-2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.details tbody th {
  color: var(--muted);
  font-weight: 500;
  white-space: nowrap;
  width: 1%;
}

.details td {
  font-family: var(--mono);
  word-break: break-all;
  font-size: 12.5px;
}

.details tr.same td {
  background: var(--match-soft);
}

.details tr.section th {
  padding-top: 16px;
  color: var(--text);
  font-weight: 700;
  background: var(--surface);
}

/* ------------------------------------------------------------ how it works */

.how {
  padding: 36px 0 20px;
  scroll-margin-top: 60px;
}

.how > h2 {
  font-size: 24px;
  margin-bottom: 14px;
}

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

.how-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.how-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.how-card p {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
}

.catalogue {
  margin-top: 28px;
  scroll-margin-top: 60px;
}

.catalogue > h2 {
  font-size: 22px;
  margin-bottom: 4px;
}

.catalogue > p {
  color: var(--muted);
  margin: 0 0 16px;
}

.cat-group {
  border-top: 1px solid var(--border);
  padding: 4px 0;
}

.cat-group > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 2px;
  cursor: pointer;
  list-style: none;
}

.cat-group > summary::-webkit-details-marker {
  display: none;
}

.cat-group[open] > summary .group-chevron {
  transform: rotate(45deg);
}

.cat-group h3 {
  font-size: 16px;
}

.cat-group > p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 13.5px;
  max-width: 900px;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 10px;
}

.cat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 13.5px;
}

.cat-card h4 {
  margin: 0;
  font-size: 14.5px;
}

.cat-card .by {
  color: var(--muted);
  font-size: 12px;
}

.cat-card p {
  margin: 8px 0;
}

.cat-card .thr {
  font-size: 12.5px;
  color: var(--muted);
}

.cat-card .refs {
  margin-top: 10px;
}

.engine-more .refs {
  margin-top: 2px;
}

/* ------------------------------------------------------------ dialogs */

.dialog {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
}

.dialog::backdrop {
  background: rgba(10, 14, 22, 0.55);
}

.dialog-inner {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dialog-head h2 {
  font-size: 18px;
}

.dialog-head .icon-btn {
  font-size: 22px;
  line-height: 1;
}

.dialog-foot {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding-top: 6px;
}

.dialog p {
  margin: 0;
  font-size: 13.5px;
}

.model-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.model-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.model-row:last-child {
  border-bottom: 0;
}

.model-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.model-row strong {
  display: block;
  font-size: 14px;
}

.model-row small {
  color: var(--muted);
  font-size: 12px;
}

.model-size {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}

.model-size .cached {
  display: block;
  color: var(--none);
  font-family: var(--sans);
}

.dialog.lab {
  width: min(980px, calc(100vw - 32px));
}

.lab-body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  min-height: 0;
}

.lab-preview {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lab-preview img {
  width: 100%;
  max-height: 60vh;
  object-fit: contain;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.lab-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 64vh;
  overflow-y: auto;
  padding-right: 4px;
}

.lab-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 4px;
}

.ctl {
  display: grid;
  grid-template-columns: 110px 1fr 54px;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.ctl output {
  font-family: var(--mono);
  font-size: 12px;
  text-align: right;
  color: var(--muted);
}

.ctl input[type='range'] {
  width: 100%;
  accent-color: var(--accent);
}

.ctl input[type='text'],
.ctl select {
  grid-column: 2 / 4;
  padding: 6px 8px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.ctl-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.ctl-check input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

.ctl-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.ctl-section {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--faint);
  font-weight: 700;
  margin-top: 6px;
}

/* ------------------------------------------------------------ where card */

.where {
  padding: 16px 18px;
  margin-bottom: 14px;
}

.where-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.where-head h3 {
  font-size: 15.5px;
}

.where .lens-pills {
  margin-bottom: 10px;
}

.where-note {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ------------------------------------------------------------ lenses & spectrum */

.viewmodes {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lens-group {
  display: grid;
  grid-template-columns: minmax(180px, 300px) 1fr;
  gap: 6px 16px;
  align-items: center;
}

.lens-q strong {
  display: block;
  font-size: 14px;
}

.lens-q span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.lens-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.lens-pills .pill[aria-pressed='true'] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.lens-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.lens-view canvas {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.lens-explain {
  padding: 14px 18px;
  margin-top: 4px;
}

.lens-explain h4 {
  margin: 8px 0 2px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.lens-explain h4:first-child {
  margin-top: 0;
}

.lens-explain p {
  margin: 0 0 4px;
  font-size: 14px;
  max-width: 900px;
}

.spectrum {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.spectrum-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 8px;
}

.spectrum-steps {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.spectrum-steps li {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 4px;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--faint);
  border: 1px solid var(--border);
}

.spectrum-steps li.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.spectrum-means {
  margin: 10px 0 0;
  font-size: 13.5px;
  color: var(--muted);
}

.spectrum-means b {
  color: var(--text);
}

.spectrum-guide {
  margin-top: 16px;
  padding: 18px 20px;
}

.spectrum-guide h3 {
  font-size: 17px;
}

.spectrum-guide > p {
  margin: 4px 0 12px;
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: lvl;
}

.guide-steps li {
  counter-increment: lvl;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--surface-2);
}

.guide-steps li strong::before {
  content: counter(lvl) '. ';
  color: var(--accent);
}

.guide-tests {
  display: block;
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 2px;
}

.guide-steps p {
  margin: 6px 0 0;
  font-size: 13px;
}

/* ------------------------------------------------------------ objects tab */

.objects-card {
  padding: 16px 18px;
}

.objects-empty {
  margin: 8px 0;
}

.objects-head p {
  margin: 0 0 10px;
  font-size: 14px;
}

.objects-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-bottom: 12px;
}

.objects-controls .pill[aria-pressed='true'] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.objects-legend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-size: 12.5px;
  color: var(--muted);
}

.objects-legend .dot {
  margin-left: 6px;
}

.objects-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.objects-images figure {
  margin: 0;
  min-width: 0;
}

.objects-canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  background: var(--surface-2);
}

.objects-images figcaption {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 4px;
}

.objects-list {
  margin-top: 16px;
  border-top: 1px solid var(--border);
}

.obj-row {
  display: grid;
  grid-template-columns: 28px auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--border);
}

.obj-row:hover {
  background: var(--surface-2);
}

.obj-n {
  font-weight: 700;
  text-align: center;
  color: var(--muted);
}

.obj-thumbs {
  display: flex;
  gap: 6px;
}

.obj-thumbs figure {
  margin: 0;
  text-align: center;
}

.obj-thumbs canvas {
  height: 64px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  border-radius: 6px;
  background: var(--surface-2);
  display: block;
}

.obj-thumbs figcaption {
  font-size: 10.5px;
  color: var(--faint);
}

.obj-info strong {
  font-size: 14px;
}

.obj-metrics {
  font-size: 12.5px;
  color: var(--muted);
}

.obj-verdict {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.obj-row[data-verdict='match'] .obj-verdict {
  color: var(--none);
}

.obj-row[data-verdict='partial'] .obj-verdict {
  color: var(--partial);
}

.obj-row[data-verdict='none'] .obj-verdict {
  color: var(--match);
}

/* ------------------------------------------------------------ copyright cases */

.cases-pointer {
  margin: 12px 0 0;
  font-size: 13.5px;
  color: var(--muted);
}

.cases {
  padding: 36px 0 8px;
  scroll-margin-top: 60px;
}

.cases > h2 {
  font-size: 24px;
}

.cases-intro {
  color: var(--muted);
  margin: 6px 0 18px;
  max-width: 820px;
}

.case-pick {
  max-width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13.5px;
}

.case-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
}

.case-table-box {
  margin: 0 0 24px;
}

.case-table-box h3 {
  font-size: 16.5px;
}

.case-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.case-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.case-table th,
.case-table td {
  padding: 9px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

.case-table th {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  vertical-align: bottom;
  background: var(--surface-2);
}

.case-table tbody tr {
  cursor: pointer;
}

.case-table tbody tr:hover,
.case-table tbody tr:focus-visible {
  background: var(--accent-soft);
  outline: none;
}

.case-table td.num {
  font-family: var(--mono);
  white-space: nowrap;
}

.case-table td[data-tone='identical'],
.case-table td[data-tone='match'] {
  color: var(--match);
  font-weight: 600;
}

.case-table td[data-tone='partial'] {
  color: var(--partial);
  font-weight: 600;
}

.case-table td[data-tone='similar'] {
  color: var(--accent);
  font-weight: 600;
}

.case-table td[data-tone='none'] {
  color: var(--none);
  font-weight: 600;
}

.case-table .case-outcome {
  white-space: nowrap;
}

/* keep case names and holdings from wrapping word by word */
.case-table td:first-child {
  min-width: 13em;
}

.case-table td:nth-child(2) {
  min-width: 11em;
}

.case-table td:nth-child(3) {
  min-width: 10.5em;
}

.case-group {
  margin-bottom: 24px;
}

.case-group-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.case-group-head h3 {
  font-size: 16.5px;
}

.case-group-blurb {
  margin: 2px 0 10px;
  color: var(--muted);
  font-size: 13.5px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 12px;
}

.case-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.case-thumbs {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 6px;
  padding: 10px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  height: 128px;
}

.case-thumbs img,
.case-thumb-empty {
  width: 100%;
  height: 106px;
  border-radius: 6px;
}

.case-thumbs img {
  object-fit: contain;
}

.case-thumb-empty {
  display: grid;
  place-items: center;
  border: 1.5px dashed var(--border-strong);
  color: var(--faint);
  font-weight: 700;
}

.case-arrow {
  color: var(--faint);
  font-size: 18px;
}

.case-body {
  padding: 12px 14px 4px;
  flex: 1;
  font-size: 13.5px;
}

.case-body h4 {
  margin: 6px 0 0;
  font-size: 14.5px;
}

.case-cite {
  font-size: 12px;
  color: var(--muted);
}

.case-pairing {
  margin: 8px 0 4px;
}

.case-note {
  margin: 0 0 6px;
  color: var(--muted);
}

.case-caution {
  margin: 6px 0;
  padding: 7px 9px;
  border-radius: 8px;
  background: var(--partial-soft);
  font-size: 12.5px;
}

.case-caution::before {
  content: 'Note: ';
  font-weight: 700;
}

.case-foot {
  padding: 8px 14px 14px;
}

.case-outcome {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1.5px solid currentColor;
}

.case-outcome[data-group='liable'] {
  color: var(--identical);
}

.case-outcome[data-group='fairuse'] {
  color: var(--accent);
}

.case-outcome[data-group='nosim'] {
  color: var(--none);
}

.case-outcome[data-final='false'] {
  color: var(--partial);
  border-style: dashed;
}

.case-banner {
  padding: 14px 20px;
  margin-bottom: 12px;
  border-left: 4px solid var(--accent);
}

.case-banner[data-group='liable'] {
  border-left-color: var(--identical);
}

.case-banner[data-group='nosim'] {
  border-left-color: var(--none);
}

.case-banner-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
}

.case-banner-name {
  font-size: 16px;
  font-weight: 600;
}

.case-banner p {
  margin: 6px 0 0;
}

.case-banner-pairing {
  font-size: 14px;
}

.case-banner-labels {
  font-size: 13px;
  color: var(--muted);
}

/* ------------------------------------------------------------ footer */

.footer {
  border-top: 1px solid var(--border);
  margin-top: 30px;
  padding: 18px 16px 32px;
  text-align: center;
  font-size: 12.5px;
  color: var(--faint);
}

.footer p {
  max-width: 900px;
  margin: 0 auto;
}

.footer-signoff {
  max-width: 900px;
  margin: 0 auto 10px;
  font-size: 14px;
  color: var(--muted);
}

.footer-signoff strong {
  color: var(--text);
}

.gh-link {
  text-decoration: none;
}

.gh-link .gh-fill {
  fill: currentColor;
  stroke: none;
}

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--surface);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13.5px;
  box-shadow: var(--shadow);
  z-index: 50;
  max-width: calc(100vw - 32px);
}

/* ------------------------------------------------------------ responsive */

@media (max-width: 960px) {
  .summary {
    grid-template-columns: auto 1fr;
  }

  .summary-side {
    grid-column: 1 / -1;
  }

  .how-grid {
    grid-template-columns: 1fr 1fr;
  }

  .lab-body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .drops {
    grid-template-columns: 1fr;
  }

  .swap {
    justify-self: center;
    transform: rotate(90deg);
  }

  .drop {
    height: 210px;
  }

  .engines {
    grid-template-columns: 1fr;
  }

  .engines .engine:nth-child(odd) {
    border-right: 0;
  }

  .summary {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .summary-chips,
  .summary-actions {
    justify-content: center;
  }

  .meter {
    grid-template-columns: 1fr 64px;
  }

  .meter-track {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .how-grid {
    grid-template-columns: 1fr;
  }

  .topnav a {
    display: none;
  }

  .legend-hint {
    margin-left: 0;
  }

  .view-pair,
  .objects-images {
    grid-template-columns: 1fr;
  }

  .obj-row {
    grid-template-columns: 22px 1fr;
  }

  .obj-row .obj-thumbs,
  .obj-row .obj-verdict {
    grid-column: 2;
  }

  .group-dots {
    display: none;
  }

  .lens-group {
    grid-template-columns: 1fr;
  }

  .spectrum-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .engine-more {
    padding-left: 18px;
  }
}

/* ------------------------------------------------------------ marked-up views */

.ann-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.ann-stage {
  display: flex;
  justify-content: center;
  width: 100%;
}

.ann-stage canvas {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  touch-action: manipulation;
}

.ann-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 8px;
}

.ann-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  transition:
    border-color 0.15s,
    box-shadow 0.15s,
    transform 0.15s;
}

.ann-list li:hover,
.ann-list li:focus-visible,
.ann-list li.on {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
  outline: none;
}

.ann-list li.on {
  transform: translateY(-1px);
}

.ann-num {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  box-shadow: 0 0 0 2px #fff, 0 1px 4px rgba(0, 0, 0, 0.3);
}

.ann-thumbs {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ann-thumbs canvas {
  width: auto;
  height: 46px;
  max-width: 64px;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.ann-to {
  font-weight: 800;
  font-size: 15px;
}

.ann-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.3;
}

.ann-text strong {
  font-size: 13.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

@media (max-width: 560px) {
  .ann-list {
    grid-template-columns: 1fr;
  }
}

/* copy-score breakdown and point-and-compare */

.score-break {
  width: 100%;
  max-width: 760px;
}

.sb-bar {
  display: flex;
  height: 14px;
  border-radius: 7px;
  overflow: hidden;
  background: var(--surface-3);
}

.sb-bar i {
  display: block;
  height: 100%;
  min-width: 2px;
  border-right: 2px solid var(--surface);
}

.sb-bar i.sb-rest {
  background: repeating-linear-gradient(135deg, var(--border-strong) 0 6px, var(--surface-3) 6px 12px);
}

.score-break p {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

.score-break strong {
  color: var(--text);
}

.sb-chip {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: #fff;
  font-size: 11px;
  vertical-align: -3px;
}

.probe-pills {
  justify-content: center;
}

.probe-readout {
  min-height: 1.4em;
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

.score-break p.sb-pattern {
  margin-top: 2px;
  color: var(--text);
  font-weight: 600;
}

.ann-list li.ann-unmatched {
  cursor: default;
}

.ann-hatch {
  flex: none;
  width: 42px;
  height: 30px;
  border-radius: 6px;
  background: repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.55) 0 5px, rgba(255, 255, 255, 0.75) 5px 7px);
  border: 1px solid var(--border);
}

.two-legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 760px;
  font-size: 13px;
  color: var(--muted);
}

.two-legend i {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 6px;
  border-radius: 4px;
  vertical-align: -2px;
}

.two-legend b {
  color: var(--text);
}

.sw-copied {
  background: rgba(239, 35, 60, 0.75);
}

.sw-similar {
  background: rgba(245, 158, 11, 0.75);
}

.cover-controls {
  align-items: center;
}

.cover-sizes {
  display: inline-flex;
  gap: 4px;
}

.cover-readout {
  margin: 0;
  max-width: 760px;
  font-size: 13.5px;
  color: var(--muted);
  text-align: center;
}

.cover-readout strong {
  color: var(--text);
}

.engine[data-verdict='info'] .engine-icon {
  background: var(--accent);
}

.gdot[data-verdict='info'] {
  background: var(--accent);
}

.chip[data-verdict='info'] {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ------------------------------------------------------------ working indicators */

/* In the spirit of Claude Code's spinner: a morphing star and a phrase that
   changes (both set by app.js), the time so far and how much is done. */

.loader {
  color: var(--muted);
  font-size: 13.5px;
}

.loader-line {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  max-width: 100%;
}

.loader-glyph {
  display: inline-block;
  width: 1.15em;
  text-align: center;
  color: var(--spark);
  font-weight: 700;
  line-height: 1;
}

.loader-verb {
  display: inline-block;
  background: linear-gradient(90deg, var(--muted) 0 38%, var(--text) 50%, var(--muted) 62% 100%);
  background-size: 260% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: loader-shimmer 2.4s linear infinite;
}

.loader-verb.loader-swap {
  animation:
    loader-shimmer 2.4s linear infinite,
    loader-in 0.35s ease-out;
}

.loader-time,
.loader-pct {
  color: var(--faint);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.loader-line .loader-pct {
  color: var(--accent);
  font-weight: 600;
}

@keyframes loader-shimmer {
  from {
    background-position: 100% 0;
  }
  to {
    background-position: 0 0;
  }
}

@keyframes loader-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
}

/* progress: a slim bar and the percentage of the scan done */

.loader-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(320px, 100%);
}

.loader-track {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--surface-3);
  overflow: hidden;
}

.loader-track i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 3px;
  background: var(--accent);
  transition: width 0.3s linear;
}

.loader-bar .loader-pct {
  min-width: 3.2em;
  text-align: right;
  color: var(--accent);
  font-weight: 600;
}

/* on the panels: centred, with a line about what will appear */

.loader-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 26px 12px 28px;
  text-align: center;
}

.loader-panel .loader-line {
  font-size: 14.5px;
}

.loader-note {
  margin: 0;
  max-width: 52ch;
  font-size: 12.5px;
  color: var(--faint);
}

.scan-status {
  margin-bottom: 8px;
}

.meter-value .loader {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 400;
}

.cover-readout .loader {
  display: inline-block;
}

.spectrum .loader {
  margin-top: 10px;
}

.case-table .loader-bar {
  margin-top: 6px;
}

/* the all-cases table: the case being scanned, and those still to come */

.case-table tbody tr.case-row-now,
.case-table tbody tr.case-row-waiting {
  cursor: default;
}

.case-table tbody tr.case-row-now {
  background: var(--accent-soft);
}

.case-table tbody tr.case-row-waiting:hover {
  background: none;
}

.case-table tr.case-row-waiting td {
  opacity: 0.5;
}

.run-all-bar {
  width: min(260px, 100%);
}

@media (prefers-reduced-motion: reduce) {
  .loader-verb,
  .loader-verb.loader-swap {
    animation: none;
    color: var(--muted);
    background: none;
  }

  .loader-track i {
    transition: none;
  }
}