:root {
  --bg: #eceff2;
  --surface: #ffffff;
  --sunk: #f5f7f9;
  --ink: #12171d;
  --ink-2: #333c47;
  --muted: #56606b;
  --line: #dde2e7;
  --line-2: #e9edf0;
  --accent: #0d7068;
  --accent-ink: #0a5a53;
  --accent-soft: #e2f3f0;
  --ok: #1d6b47;
  --ok-soft: #e1f2e9;
  --error: #b42318;
  --error-soft: #fdeceb;
  --warning: #8a4f06;
  --warning-soft: #fcf1de;
  --info: #2b579e;
  --info-soft: #e7eefa;
  --view: #161b21;
  --view-ink: #e8edf2;
  --view-muted: #a5b0bb;
  --amber: #f5b544;
  --red: #ff5d5d;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(18 23 29 / 5%), 0 8px 24px -14px rgb(18 23 29 / 22%);
  --sans: "Inter Variable", system-ui, sans-serif;
  --display: "Space Grotesk Variable", "Inter Variable", system-ui, sans-serif;
  --mono: "JetBrains Mono Variable", ui-monospace, monospace;
  --enter: 1;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
}
body {
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 var(--sans);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  min-width: 320px;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
[hidden] {
  display: none !important;
}

/* Top bar ------------------------------------------------------------------ */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 58px;
  padding: 0 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 600 16px/1 var(--display);
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 28px;
  height: 28px;
}
.mark-tile {
  fill: var(--view);
}
.mark-wire {
  fill: none;
  stroke: #7fd1c6;
  stroke-width: 1.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.topbar-note {
  margin: 0 0 0 auto;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lock {
  width: 10px;
  height: 12px;
  border: 1.6px solid currentColor;
  border-radius: 2.5px;
  position: relative;
  margin-top: 4px;
}
.lock::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -7px;
  width: 6px;
  height: 7px;
  margin-left: -4.6px;
  border: 1.6px solid currentColor;
  border-bottom: 0;
  border-radius: 4px 4px 0 0;
}
.sample-note {
  margin: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

/* Layout ------------------------------------------------------------------- */
.app {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 28px 40px;
  max-width: 1680px;
  margin: 0 auto;
}
.side,
.main {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}
.main > * {
  opacity: var(--enter);
  transform: translateY(calc((1 - var(--enter)) * 8px));
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  min-width: 0;
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.card-head.tight {
  margin-bottom: 10px;
}
.card-title {
  margin: 0;
  font: 600 15px/1.3 var(--display);
  letter-spacing: -0.005em;
}
.card-head .card-title {
  margin: 0;
}
.card > .card-title {
  margin-bottom: 10px;
}
.count {
  color: var(--muted);
  font: 500 12.5px var(--sans);
  margin-left: 6px;
  font-variant-numeric: tabular-nums;
}
.card-lede {
  margin: -4px 0 14px;
  color: var(--muted);
  font-size: 13px;
}

/* Buttons and chips -------------------------------------------------------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.button:hover {
  background: var(--accent-ink);
}
.button.small {
  min-height: 32px;
  padding: 0 12px;
  font-size: 13px;
}
.button.quiet {
  background: var(--surface);
  color: var(--ink-2);
  border-color: var(--line);
}
.button.quiet:hover {
  background: var(--sunk);
  border-color: #c9d0d7;
}
.button.wide {
  width: 100%;
}
.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.text-button {
  border: 0;
  background: none;
  padding: 2px 0;
  color: var(--accent-ink);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.text-button:hover {
  text-decoration: underline;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}
.chip b {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.chip.active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}
.chip:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.sev-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.sev-dot.error {
  background: var(--error);
}
.sev-dot.warning {
  background: #d58a12;
}
.sev-dot.info {
  background: var(--info);
}

/* Input card --------------------------------------------------------------- */
.samples {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}
.sample {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 8px 9px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--sunk);
  cursor: pointer;
  text-align: left;
  min-width: 0;
}
.sample:hover {
  border-color: #c4ccd4;
}
.sample.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.sample-label {
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.2;
}
.sample-detail {
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.2;
}
.drop {
  border: 1.5px dashed #bcc5ce;
  border-radius: 12px;
  padding: 16px 14px 14px;
  text-align: center;
  background: var(--sunk);
  transition: border-color 0.15s, background 0.15s;
}
.drop.over {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.drop > svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.drop-title {
  margin: 4px 0 2px;
  font-weight: 600;
  font-size: 13.5px;
}
.drop-hint {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12.5px;
}
.drop-actions,
.paste-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.paste-panel {
  margin-top: 12px;
}
.paste-panel textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  font: 12px/1.5 var(--mono);
  background: var(--sunk);
  margin: 6px 0 10px;
}
.paste-actions {
  justify-content: flex-start;
}
.file-error {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--error-soft);
  color: var(--error);
  font-size: 13px;
  font-weight: 500;
}
.file-meta {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  font-size: 13px;
}
.file-meta div {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 8px;
}
.file-meta dt {
  color: var(--muted);
}
.file-meta dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

/* Settings ----------------------------------------------------------------- */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 10px;
  min-width: 0;
}
.field-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  display: flex;
  justify-content: space-between;
}
.field-label output {
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
select {
  appearance: none;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0 30px 0 10px;
  background:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%) calc(100% - 15px) 15px / 5px 5px no-repeat,
    linear-gradient(135deg, var(--muted) 50%, transparent 50%) calc(100% - 10px) 15px / 5px 5px no-repeat,
    var(--surface);
  font-size: 13px;
  cursor: pointer;
  min-width: 0;
  width: 100%;
}
select:hover {
  border-color: #c4ccd4;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  margin: 4px 0 0;
}
.field-note {
  margin: -2px 0 10px;
  color: var(--muted);
  font-size: 12.5px;
}
.field .field-note {
  margin: 2px 0 0;
}

/* Verdict ------------------------------------------------------------------ */
.verdict {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  padding: 4px 2px 2px;
}
.verdict-file {
  margin: 0 0 4px;
  font: 500 12.5px var(--mono);
  color: var(--muted);
}
.verdict h1 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font: 600 27px/1.12 var(--display);
  letter-spacing: -0.02em;
}
.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 5px var(--line-2);
  flex: none;
}
[data-level="ready"] .status-dot {
  background: var(--ok);
  box-shadow: 0 0 0 5px var(--ok-soft);
}
[data-level="review"] .status-dot {
  background: #d58a12;
  box-shadow: 0 0 0 5px var(--warning-soft);
}
[data-level="fix"] .status-dot,
[data-level="unreadable"] .status-dot {
  background: var(--error);
  box-shadow: 0 0 0 5px var(--error-soft);
}
.verdict-line {
  margin: 8px 0 0;
  color: var(--ink-2);
  max-width: 62ch;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(104px, auto));
  gap: 8px;
  margin: 0;
}
.metric {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px 11px;
  min-width: 0;
}
.metric dt {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}
.metric dd {
  margin: 2px 0 0;
  font: 600 24px/1.15 var(--display);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.metric-sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Workspace: viewer + findings ---------------------------------------------- */
.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 1fr);
  gap: 16px;
  align-items: stretch;
}
.viewer-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--view);
  border-color: #0e1216;
}
.viewer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px 12px 18px;
  color: var(--view-ink);
  border-bottom: 1px solid #262e37;
}
.viewer-head .count {
  color: var(--view-muted);
}
.viewer-tools {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.viewer-tools .chip {
  background: #1f262e;
  border-color: #333d48;
  color: var(--view-ink);
}
.viewer-tools .chip.active {
  background: #e8edf2;
  border-color: #e8edf2;
  color: var(--view);
}
.edge-key {
  width: 14px;
  height: 3px;
  border-radius: 2px;
  display: inline-block;
}
.edge-key.open {
  background: var(--amber);
}
.edge-key.bad {
  background: var(--red);
}
.viewport {
  position: relative;
  flex: 1;
  min-height: 430px;
  background:
    radial-gradient(120% 90% at 50% 38%, #2a333e 0%, #1c232b 48%, var(--view) 100%);
}
.viewport canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
.viewport canvas:active {
  cursor: grabbing;
}
.viewport-note {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  color: var(--view-ink);
  font-size: 14px;
}
.viewport-legend {
  position: absolute;
  top: 12px;
  left: 16px;
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--view-muted);
  pointer-events: none;
}
.viewport-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.viewport-dims {
  position: absolute;
  left: 16px;
  bottom: 12px;
  margin: 0;
  color: var(--view-ink);
  font-size: 12.5px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}
.viewport-hint {
  position: absolute;
  right: 16px;
  bottom: 12px;
  margin: 0;
  color: var(--view-muted);
  font-size: 12px;
  pointer-events: none;
}
.capture .viewport-hint {
  display: none;
}

/* Findings ----------------------------------------------------------------- */
.review-card {
  display: flex;
  flex-direction: column;
  max-height: 560px;
}
.filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.findings {
  list-style: none;
  margin: 0 -8px 0 0;
  padding: 0 8px 0 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
  flex: 1;
  /* A soft fade at the bottom says the list scrolls. */
  mask-image: linear-gradient(to bottom, #000 calc(100% - 28px), transparent);
  padding-bottom: 20px;
}
.finding {
  border: 1px solid var(--line-2);
  border-left: 3px solid var(--info);
  border-radius: 10px;
  padding: 10px 12px 9px;
  background: var(--surface);
}
.finding.error {
  border-left-color: var(--error);
  background: linear-gradient(90deg, var(--error-soft), var(--surface) 45%);
}
.finding.warning {
  border-left-color: #d58a12;
  background: linear-gradient(90deg, var(--warning-soft), var(--surface) 45%);
}
.finding.empty,
.finding.more {
  border-left-color: var(--line);
  color: var(--muted);
}
.finding.empty p,
.finding.more p {
  margin: 0;
}
.finding-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.finding-head h3 {
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.3;
}
.sev {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex: none;
}
.sev.error {
  color: var(--error);
}
.sev.warning {
  color: var(--warning);
}
.sev.info {
  color: var(--info);
}
.finding-text {
  margin: 4px 0 4px;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.45;
}
.finding-rule {
  margin: 0;
  color: var(--muted);
  font-size: 11.5px;
}
.finding-rule code {
  font: 500 11px var(--mono);
}

/* Export ------------------------------------------------------------------- */
.report-actions {
  display: flex;
  gap: 8px;
}
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: thin;
}
.tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  border: 0;
  background: none;
  padding: 8px 14px 10px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  white-space: nowrap;
  color: var(--muted);
}
.tab-label {
  font-weight: 600;
  font-size: 13.5px;
}
.tab-ext {
  font: 500 11.5px var(--mono);
}
.tab.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}
.tab:hover {
  color: var(--ink);
}
.export-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  padding-top: 14px;
}
.export-what {
  margin: 0 0 8px;
  font-weight: 500;
}
.changes {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-2);
  font-size: 13px;
  display: grid;
  gap: 4px;
}
.changes li::marker {
  color: var(--accent);
}
.out-settings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.export-check {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}

/* Tables ------------------------------------------------------------------- */
.tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.facts {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.facts th,
.facts td {
  text-align: left;
  padding: 7px 0;
  border-bottom: 1px solid var(--line-2);
  vertical-align: top;
}
.facts th {
  width: 36%;
  padding-right: 12px;
  color: var(--muted);
  font-weight: 500;
}
.facts td {
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.facts tr:last-child th,
.facts tr:last-child td {
  border-bottom: 0;
}
.sub-title {
  margin: 16px 0 6px;
  font: 600 13px var(--display);
}
.table-wrap {
  overflow-x: auto;
}
.parts {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 420px;
}
.parts th,
.parts td {
  text-align: left;
  padding: 6px 10px 6px 0;
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
.parts thead th {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
}
.parts tbody th {
  font-weight: 600;
}
.parts .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.swatch {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 3px;
  background: var(--swatch);
  margin-right: 7px;
  vertical-align: -1px;
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 15%);
}
.swatch.missing {
  background: repeating-linear-gradient(45deg, #c8ced5 0 3px, #eef1f4 3px 6px);
}

/* Capture: nothing focused or moving --------------------------------------- */
.capture * {
  transition: none !important;
}

/* Responsive --------------------------------------------------------------- */
@media (max-width: 1280px) {
  .verdict {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
@media (max-width: 1100px) {
  .app {
    grid-template-columns: 1fr;
  }
  .side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .workspace {
    grid-template-columns: 1fr;
  }
  .review-card {
    max-height: none;
  }
  .findings {
    max-height: 520px;
  }
}
@media (max-width: 760px) {
  .topbar {
    height: auto;
    flex-wrap: wrap;
    gap: 6px 14px;
    padding: 12px 16px;
  }
  .topbar-note {
    order: 3;
    margin: 0;
    width: 100%;
    font-size: 12.5px;
  }
  .sample-note {
    margin-left: auto;
  }
  .app {
    padding: 14px 16px 32px;
    gap: 14px;
  }
  /* One column: the file, then its result, then the reading settings. */
  .side,
  .main {
    display: contents;
  }
  .file-card {
    order: 1;
  }
  .verdict {
    order: 2;
  }
  .workspace {
    order: 3;
  }
  .settings-card {
    order: 4;
  }
  .export-card {
    order: 5;
  }
  .tables {
    order: 6;
  }
  .card {
    padding: 16px;
  }
  .card.viewer-card {
    padding: 0;
  }
  .verdict h1 {
    font-size: 24px;
  }
  .metrics {
    grid-template-columns: 1fr 1fr;
  }
  .metric dd {
    font-size: 21px;
  }
  .metric-sub {
    white-space: normal;
  }
  .viewport {
    min-height: 320px;
  }
  .viewport-hint {
    display: none;
  }
  .export-body,
  .tables {
    grid-template-columns: 1fr;
  }
  .card-head {
    align-items: flex-start;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}