:root {
  --ink: #121212;
  --body: #343434;
  --muted: #888888;
  --paper: #ffffff;
  --line: #e0e0e0;
  --cta-bg: #000000;
  --cta-fg: #ffffff;
  --block: #b00020;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

.report {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.report-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.report-header img {
  height: 40px;
  width: auto;
}

.report-header h1 {
  margin: 0;
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 700;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.25rem 0 0;
}

.section {
  margin: 1.75rem 0;
}

.section h2 {
  margin: 0 0 0.75rem;
  color: var(--ink);
  font-size: 1.1rem;
}

.headline {
  color: var(--ink);
  font-size: 1.05rem;
  margin: 0 0 1rem;
}

.dual-scales {
  display: grid;
  gap: 1.25rem;
}

.scale-block {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}

.scale-label {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.scale-track {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.scale-track li {
  flex: 1;
  text-align: center;
  border: 1px solid var(--line);
  padding: 0.45rem 0.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.scale-track li.is-selected {
  border-color: var(--ink);
  color: var(--ink);
  font-weight: 700;
  background: #f5f5f5;
}

.signal {
  border-left: 3px solid var(--line);
  padding: 0.5rem 0 0.5rem 0.75rem;
  margin: 0.75rem 0;
}

.signal.severity-INFO {
  border-left-color: var(--muted);
}

.signal.severity-WARN,
.signal.severity-LIMIT {
  border-left-color: var(--ink);
}

.signal.severity-BLOCK {
  border-left-color: var(--block);
}

.signal-sev {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.signal.severity-INFO .signal-sev {
  color: var(--muted);
}

.signal.severity-BLOCK .signal-sev {
  color: var(--block);
}

.signal-title {
  font-weight: 700;
  color: var(--ink);
  margin: 0.15rem 0;
}

.signal-body,
.signal-metrics,
.stack-note {
  margin: 0.25rem 0;
}

.signal-metrics,
.stack-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0.35rem;
  vertical-align: top;
}

.table th {
  color: var(--ink);
  font-size: 0.85rem;
}

.table img.thumb {
  display: block;
  max-height: 48px;
  width: auto;
  margin-bottom: 0.25rem;
}

details.more-detail {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}

details.more-detail summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
}

.detail-block {
  margin: 0.75rem 0;
}

.detail-block h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  color: var(--ink);
}

.detail-block pre {
  white-space: pre-wrap;
  margin: 0;
  font-family: inherit;
  color: var(--body);
}

.btn-primary {
  display: inline-block;
  background: var(--cta-bg);
  color: var(--cta-fg);
  text-decoration: none;
  padding: 0.65rem 1.1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-primary:focus-visible,
.link-secondary:focus-visible,
.drop-target:focus-visible,
input:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.link-secondary {
  color: var(--ink);
  text-decoration: underline;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
  margin-left: 1rem;
}

.shell {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.login-form {
  display: grid;
  gap: 1rem;
  max-width: 360px;
  margin: 1.5rem 0;
}

.login-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--ink);
  font-weight: 600;
}

.login-form input[type="text"],
.login-form input[type="password"] {
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  font: inherit;
}

.form-error {
  color: var(--block);
  font-weight: 600;
}

.footer-privacy,
.intake-hints {
  color: var(--muted);
  font-size: 0.9rem;
}

.header-link {
  margin-left: auto;
}

.report-header {
  flex-wrap: wrap;
}

.dual-zones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

@media (max-width: 900px) {
  .dual-zones {
    grid-template-columns: 1fr;
  }
}

.upload-zone h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--ink);
}

.drop-target {
  border: 1px dashed var(--line);
  padding: 1.25rem;
  text-align: center;
  color: var(--muted);
}

.drop-target.is-drag {
  border-color: var(--ink);
  color: var(--ink);
}

.file-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
}

.file-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}

.file-row .thumb {
  max-height: 40px;
  width: auto;
}

.case-actions {
  margin: 1rem 0 1.5rem;
}

.signals-host .sticky-signals {
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 2;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.progress-panel {
  margin: 1rem 0;
}

.progress-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.progress-steps li.is-active {
  color: var(--ink);
  font-weight: 700;
}

.progress-steps li.is-done {
  color: var(--body);
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}

.footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}

.footer .claim {
  color: var(--body);
  margin-bottom: 0.75rem;
}

.footer-meta {
  margin-top: 0.75rem;
}

/* PDF path (WeasyPrint uses body.report-pdf): expand More detail; hide download CTA */
body.report-pdf details.more-detail summary {
  display: none;
}

body.report-pdf .btn-primary {
  display: none;
}

@media print {
  details.more-detail summary {
    display: none;
  }

  details.more-detail .detail-inner {
    display: block !important;
  }

  .btn-primary {
    display: none;
  }

  body {
    font-size: 11pt;
  }

  .report {
    max-width: none;
    padding: 0;
  }
}