@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,300;0,400;0,600;1,400&family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #111111;
  --paper: #f9f9f7;
  --mid: #525252;   /* #525252 on #f9f9f7 = 7.4:1 — passes WCAG AAA */
  --light: #e2e2de;
  --lighter: #f0f0ec;
  --serif: 'IBM Plex Serif', Georgia, serif;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Skip navigation (accessibility) ── */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 1rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  z-index: 9999;
  text-decoration: none;
}
.skip-nav:focus { top: 0; }

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

html { font-size: 17px; scroll-behavior: smooth; }
html.font-large { font-size: 20px; }

body {
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Navigation ── */
.site-nav {
  border-bottom: 1px solid var(--light);
  padding: 1rem 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}

.nav-logo sup {
  font-size: 0.65rem;
  color: var(--mid);
  letter-spacing: 0.06em;
  font-weight: 400;
}

.site-nav nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}

.site-nav nav a {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--mid);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.12s;
}

.site-nav nav a:hover,
.site-nav nav a.active { color: var(--ink); }

.nav-font-toggle {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--light);
  background: transparent;
  color: var(--mid);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all 0.12s;
  line-height: 1;
  flex-shrink: 0;
}

.nav-font-toggle:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.nav-font-toggle[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* ── Layout ── */
main {
  flex: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 4.5rem 2.5rem;
  width: 100%;
}

main.wide {
  max-width: 920px;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--light);
  padding: 1.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--mid);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer a { color: var(--mid); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }
.site-footer .footer-community { display: flex; gap: 0.75rem; align-items: center; }
.site-footer .footer-community a { color: var(--mid); text-decoration: none; }
.site-footer .footer-community a:hover { color: var(--ink); }

/* ── Typography ── */
h1 {
  font-family: var(--sans);
  font-size: 2.1rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

h2 {
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 3rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--light);
}

h3 {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mid);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--ink); text-underline-offset: 3px; }

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

li { margin-bottom: 0.35rem; }

code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: var(--lighter);
  padding: 0.1em 0.35em;
  border-radius: 2px;
  letter-spacing: -0.01em;
}

pre {
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--lighter);
  border: 1px solid var(--light);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  line-height: 1.65;
  margin-bottom: 1.25rem;
  border-radius: 2px;
}

pre code { background: none; padding: 0; font-size: inherit; }

hr { border: none; border-top: 1px solid var(--light); margin: 2.5rem 0; }

/* ── AIPM Mark ── */
.aipm-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 2px solid var(--ink);
  padding: 0.45rem 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1;
}

.aipm-badge .badge-version {
  font-size: 0.65rem;
  color: var(--mid);
  font-weight: 400;
  letter-spacing: 0.08em;
  border-left: 1px solid var(--light);
  padding-left: 0.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.6rem 1.3rem;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  line-height: 1.2;
}

.btn:hover { background: var(--ink); color: var(--paper); }

.btn-fill {
  background: var(--ink);
  color: var(--paper);
}

.btn-fill:hover { background: #333; color: var(--paper); }

.btn-sm { font-size: 0.78rem; padding: 0.45rem 0.9rem; }

/* ── Cards ── */
.card {
  border: 1px solid var(--light);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
}

/* ── Form Elements ── */
.field { margin-bottom: 1.35rem; }

.field-label {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mid);
  margin-bottom: 0.45rem;
}

.field-hint {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--mid);
  margin-top: 0.3rem;
}

input[type="text"],
input[type="date"],
textarea,
select {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--light);
  background: #fff;
  color: var(--ink);
  outline: none;
  border-radius: 0;
  appearance: none;
  transition: border-color 0.12s;
}

input[type="text"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus { border-color: var(--ink); }

textarea { resize: vertical; min-height: 80px; line-height: 1.55; }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235c5c5c' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
}

/* Radio buttons as pill-style toggles */
.radio-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.1rem;
}

.radio-pills input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }

.radio-pills label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--light);
  background: #fff;
  color: var(--mid);
  cursor: pointer;
  transition: all 0.12s;
  letter-spacing: 0.02em;
  user-select: none;
}

.radio-pills input[type="radio"]:checked + label {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.radio-pills label:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* ── Role spectrum — single-column, abbrev + label layout ── */
.role-spectrum {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.1rem;
}

.role-spectrum input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.role-spectrum label {
  display: flex;
  align-items: stretch;
  width: 100%;
  border: 1px solid var(--light);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
  user-select: none;
  color: var(--mid);
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1;
}

.role-spectrum .role-abbrev {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.42rem 0;
  width: 3rem;
  min-width: 3rem;
  text-align: center;
  border-right: 1px solid var(--light);
  color: var(--mid);
  letter-spacing: 0.04em;
  flex-shrink: 0;
  transition: color 0.12s, border-color 0.12s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.role-spectrum .role-name {
  padding: 0.42rem 0.75rem;
  flex: 1;
  display: flex;
  align-items: center;
}

.role-spectrum input[type="radio"]:checked + label {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.role-spectrum input[type="radio"]:checked + label .role-abbrev {
  color: var(--paper);
  border-right-color: #444;
}

.role-spectrum label:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.role-spectrum label:hover .role-abbrev {
  color: var(--ink);
}

.role-spectrum input[type="radio"]:focus-visible + label {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* ── Badge button groups ── */
.badge-group-label {
  font-family: var(--sans);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mid);
  margin-bottom: 0.2rem;
}

.badge-group + .badge-group {
  margin-top: 0.5rem;
}

.badge-btn-image-only.btn {
  border-color: var(--light);
  color: var(--mid);
  font-size: 0.65rem;
}

.badge-btn-image-only.btn:hover {
  border-color: var(--mid);
  background: var(--lighter);
  color: var(--ink);
}

/* ── URL Preview ── */
.url-preview-wrap {
  margin-bottom: 1.5rem;
}

.url-preview-wrap .field-label { margin-bottom: 0.3rem; }

.url-preview {
  font-family: var(--mono);
  font-size: 0.72rem;
  background: var(--lighter);
  border: 1px solid var(--light);
  padding: 0.75rem 1rem;
  word-break: break-all;
  color: var(--mid);
  line-height: 1.6;
  min-height: 2.5rem;
}

/* ── QR Output ── */
#qr-output {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.75rem;
  border: 1px solid var(--light);
  background: #fff;
}

#qr-canvas-wrap { line-height: 0; }
#qr-canvas-wrap canvas, #qr-canvas-wrap img { display: block; }

/* ── Provenance Card ── */
.provenance-card {
  border: 2px solid var(--ink);
  padding: 2.25rem;
  margin-bottom: 2rem;
}

.provenance-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--light);
  flex-wrap: wrap;
}

.provenance-header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  letter-spacing: -0.01em;
}

.provenance-header p {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--mid);
  margin: 0;
}

.prov-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.5rem 1.25rem;
  align-items: baseline;
  margin-bottom: 0.9rem;
  font-size: 0.95rem;
}

.prov-key {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mid);
  padding-top: 0.15rem;
}

.prov-val { font-family: var(--serif); }

/* ── Tables ── */
table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--ink);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--light);
  vertical-align: top;
}

/* ── Hero area ── */
.hero {
  margin-bottom: 3rem;
}

.hero-mark {
  margin-bottom: 2rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--mid);
  max-width: 560px;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--light);
  border: 1px solid var(--light);
  margin: 2.5rem 0;
}

.feature-cell {
  background: var(--paper);
  padding: 1.5rem;
}

.feature-cell h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 0.68rem;
}

.feature-cell p {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--mid);
  line-height: 1.55;
  margin: 0;
}

/* ── Notice / empty state ── */
.notice {
  border: 1px solid var(--light);
  background: var(--lighter);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--mid);
}

.notice strong { color: var(--ink); }

/* ── Generate layout ── */
.gen-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 680px) {
  .gen-layout { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  html { font-size: 15px; }
  main { padding: 2.5rem 1.5rem; }
  .site-nav { padding: 1rem 1.5rem; }
  .site-nav nav { gap: 1rem; }
  h1 { font-size: 1.65rem; }
}

/* ── AIPM 1.1 additions ── */

/* Compression status indicator */
.compression-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--light);
  color: var(--mid);
  margin-top: 0.4rem;
  transition: all 0.15s;
}

.compression-indicator.active {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--lighter);
}

.compression-indicator .ci-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--light);
  flex-shrink: 0;
}

.compression-indicator.active .ci-dot {
  background: var(--ink);
}

/* Show mode toggle */
.toggle-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
}

.toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--light);
  border: 1px solid var(--light);
  cursor: pointer;
  transition: background 0.15s;
}

.toggle-track::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 2px;
  top: 2px;
  background: white;
  transition: transform 0.15s;
}

.toggle-switch input:checked + .toggle-track {
  background: var(--ink);
  border-color: var(--ink);
}

.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(16px);
}

.toggle-label {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink);
  cursor: pointer;
  user-select: none;
}

.toggle-hint {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--mid);
}

/* Try It links */
.try-it-section {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--light);
}

.try-it-label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mid);
  margin-bottom: 0.75rem;
}

.try-it-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.try-it-link {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--light);
  color: var(--ink);
  text-decoration: none;
  transition: all 0.12s;
  white-space: nowrap;
  cursor: pointer;
  background: transparent;
}

.try-it-link:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

/* Copy-first tools (e.g. Gemini, Copilot) — dashed border signals different behavior */
.try-it-link.try-it-copy-open {
  border-style: dashed;
}

.try-it-link.try-it-copy-open:hover {
  border-style: dashed;
}

.try-it-copy {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.12s;
  white-space: nowrap;
}

.try-it-copy:hover {
  background: var(--ink);
  color: var(--paper);
}

/* Show mode badge on display page */
.show-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid var(--mid);
  color: var(--mid);
  padding: 0.2rem 0.5rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* Update mark link */
.update-mark-link {
  display: block;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--light);
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--mid);
  text-align: center;
}

.update-mark-link a {
  color: var(--mid);
  text-decoration: none;
  border-bottom: 1px solid var(--light);
  padding-bottom: 1px;
  transition: color 0.12s, border-color 0.12s;
}

.update-mark-link a:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* Prov val links */
.prov-val a {
  color: var(--ink);
  word-break: break-all;
}

/* Copyable code block */
.copy-block {
  position: relative;
}

.copy-block pre {
  padding-right: 5rem;
}

.copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--light);
  background: var(--lighter);
  color: var(--mid);
  cursor: pointer;
  transition: all 0.12s;
}

.copy-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* ── AIPM 1.2 additions ── */

/* Drop zone — file upload / hash verification */
.drop-zone {
  border: 2px dashed var(--light);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  background: #fff;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--ink);
  background: var(--lighter);
}

.drop-zone-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--mid);
  line-height: 1.5;
}

.drop-zone-label strong { color: var(--ink); }

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-zone-btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.12s, color 0.12s;
}

.drop-zone-btn:hover { background: var(--ink); color: var(--paper); }

/* Hash result */
.hash-result {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--light);
  margin-top: 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.hash-result.verified {
  border-color: #2a6e2a;
  background: #f0f7f0;
  color: #1a4f1a;
}

.hash-result.failed {
  border-color: #8b2020;
  background: #fdf0f0;
  color: #6b1010;
}

.hash-result-icon { font-size: 1rem; }

.hash-value {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--mid);
  word-break: break-all;
  margin-top: 0.25rem;
}

/* Progress indicator */
.hash-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--mid);
}

/* Paste and compare */
.paste-compare-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  align-items: stretch;
}

.paste-compare-row input[type="text"] {
  flex: 1;
  font-size: 0.78rem;
}

/* Performance timing hint */
.perf-hint {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--mid);
  margin-top: 0.3rem;
}

/* Privacy warning */
.privacy-warning {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.6rem 0.75rem;
  background: var(--lighter);
  border-left: 2px solid var(--mid);
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--mid);
  margin-top: 0.4rem;
  line-height: 1.45;
}

.privacy-warning strong { color: var(--ink); }

/* EU AI Act notice on display page */
.eu-notice {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--mid);
  border: 1px solid var(--light);
  padding: 0.25rem 0.5rem;
  margin-top: 0.25rem;
}

/* Section headers in generator */
.field-section-header {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--mid);
  border-top: 1px solid var(--light);
  padding-top: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.field-section-header:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }

/* URL field with clear button */
/* field-input-row: flex container for text/URL/hash input + action buttons.
   Named url-input-row in HTML for legacy reasons — applies to URL, hash, and text fields alike. */
.field-input-row,
.url-input-row {
  display: flex;
  gap: 0;
  align-items: stretch;
  position: relative;
  border-left: 2px solid transparent;
  transition: border-color 0.12s;
}

.field-input-row.has-value,
.url-input-row.has-value { border-left-color: var(--ink); }

.field-input-row input[type="text"],
.url-input-row input[type="text"] { flex: 1; }

.btn-clear {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 0 0.6rem;
  border: 1px solid var(--light);
  border-left: none;
  background: var(--lighter);
  color: var(--light);
  cursor: default;
  line-height: 1;
  transition: all 0.12s;
  flex-shrink: 0;
}

.btn-clear.has-value {
  color: var(--mid);
  cursor: pointer;
}

.btn-clear.has-value:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Field accent for text fields with value */
.field.field-has-value > .field-label { color: var(--ink); }

/* Truncation panel */
.truncation-panel {
  border: 1px solid var(--ink);
  padding: 1.25rem 1.5rem;
  margin-top: 0.75rem;
  background: var(--lighter);
}

.truncation-panel h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  color: var(--ink);
}

.truncation-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}


/* ── Textarea resize handle ── */
/* Full-width drag strip below the textarea — click and drag to resize.
   The native browser resize:none is disabled in favour of this custom handle
   which works consistently across browsers and is easily clickable/touchable. */
.textarea-resize-wrap {
  display: block;
  position: relative;
}

.textarea-resize-wrap textarea {
  display: block;
  width: 100%;
  box-sizing: border-box;
  resize: none;    /* native handle removed — use .textarea-drag-handle instead */
  border-bottom: none;
}

.textarea-drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 14px;
  background: var(--lighter);
  border: 1px solid var(--light);
  border-top: none;
  cursor: ns-resize;
  user-select: none;
  touch-action: none;
  flex-shrink: 0;
  transition: background 0.12s;
}

.textarea-drag-handle::before {
  content: '';
  display: block;
  width: 32px;
  height: 3px;
  border-top: 1.5px solid #bbb;
  border-bottom: 1.5px solid #bbb;
}

.textarea-drag-handle:hover,
.textarea-drag-handle:focus,
.textarea-drag-handle.dragging {
  background: #e0e0dc;
  outline: none;
}

.textarea-drag-handle:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 0;
}

/* ── Test markers (testing page) ── */
.test-marker {
  display: inline-flex;
  align-items: stretch;
  width: 46px;
  min-width: 46px;
  height: 1.9em;
  flex-shrink: 0;
  border: 2px solid #555;
  cursor: pointer;
  user-select: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  margin-top: 0.1rem;
  margin-right: 0.35rem;
  overflow: hidden;
  transition: border-color 0.12s;
}

.test-marker-check {
  flex: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  transition: background 0.12s, color 0.12s;
}

.test-marker-fail {
  flex: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 2px solid #555;
  background: var(--lighter);
  color: #aaa;
  font-size: 0.65rem;
  transition: background 0.12s, color 0.12s;
}

/* State 1 — checked (green) */
.test-marker[data-state="1"] { border-color: #2a6e2a; }
.test-marker[data-state="1"] .test-marker-check { background: #e8f5e9; color: #2a6e2a; }
.test-marker[data-state="1"] .test-marker-fail  { border-left-color: #2a6e2a; color: #c5dfc5; }

/* State 2 — failed (red) */
.test-marker[data-state="2"] { border-color: #c00; }
.test-marker[data-state="2"] .test-marker-check { background: #fff0f0; color: #c00; }
.test-marker[data-state="2"] .test-marker-fail  { background: #fff0f0; border-left-color: #c00; color: #c00; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}