/* unslop — web app styles
   Editorial, calm, trustworthy. A writing tool, not a dashboard.
   System fonts only — no network requests, ever. */

/* ---------- design tokens ---------- */

:root {
  color-scheme: light;

  /* type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --font-mono: ui-monospace, "Cascadia Code", "Segoe UI Mono", Consolas, "Liberation Mono",
    Menlo, monospace;

  --measure: 68ch;

  /* light palette — warm near-white paper, deep ink, one accent */
  --paper: #f4efe6;
  --paper-raised: #fbf8f2;
  --ink: #20211f;
  --ink-soft: #4a4944;
  --ink-faint: #635f59;
  --line: #ddd6c8;
  --line-soft: #e9e3d6;
  --accent: #ad5a26;
  --accent-ink: #7a3f1a;
  --accent-tint: #f1e2d3;

  --good: #376b45;
  --good-tint: #e3efe3;
  --warn: #83560f;
  --warn-tint: #f5ecd9;
  --bad: #b23b2f;
  --bad-tint: #f6e3df;

  --focus-ring: #2f6fb0;

  /* category marks — muted highlighter set, tuned for AA text contrast (>=4.5:1) on the ink shown below */
  --mark-phrase: #d9c58a;
  --mark-phrase-ink: #5c4d15;
  --mark-buzzword: #cd9e6f;
  --mark-buzzword-ink: #43290d;
  --mark-construction: #c78a9a;
  --mark-construction-ink: #451c27;
  --mark-hedge: #b9c4a8;
  --mark-hedge-ink: #3d4630;
  --mark-emoji: #9fbfc7;
  --mark-emoji-ink: #1f4650;
  --mark-emdash: #a9aec9;
  --mark-emdash-ink: #2c2f52;
  --mark-bold-bullet: #cbb6d6;
  --mark-bold-bullet-ink: #4a2c56;

  --shadow-card: 0 1px 2px rgba(32, 33, 31, 0.06), 0 4px 16px rgba(32, 33, 31, 0.06);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --dur-fast: 120ms;
  --dur-med: 220ms;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #1c1c1a;
    --paper-raised: #242422;
    --ink: #ece7dc;
    --ink-soft: #c3beb2;
    --ink-faint: #8f8b80;
    --line: #38372f;
    --line-soft: #2b2a25;
    --accent: #e08a52;
    --accent-ink: #f2b587;
    --accent-tint: #3a2a1c;

    --good: #7fc491;
    --good-tint: #223226;
    --warn: #e0b85a;
    --warn-tint: #362c17;
    --bad: #e6867a;
    --bad-tint: #3a2320;

    --focus-ring: #7db3e8;

    --mark-phrase: #6b5d2c;
    --mark-phrase-ink: #f0e2ab;
    --mark-buzzword: #6b4a26;
    --mark-buzzword-ink: #f0cda3;
    --mark-construction: #6b3a48;
    --mark-construction-ink: #f0c1cf;
    --mark-hedge: #4a5539;
    --mark-hedge-ink: #d3e0bf;
    --mark-emoji: #2f5860;
    --mark-emoji-ink: #b9e2ea;
    --mark-emdash: #3d4270;
    --mark-emdash-ink: #ccd0f0;
    --mark-bold-bullet: #4d3956;
    --mark-bold-bullet-ink: #e6cdf0;

    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.25), 0 6px 20px rgba(0, 0, 0, 0.3);
  }
}

/* manual override wins over the media query either direction */
:root[data-theme="light"] {
  color-scheme: light;
  --paper: #f4efe6;
  --paper-raised: #fbf8f2;
  --ink: #20211f;
  --ink-soft: #4a4944;
  --ink-faint: #635f59;
  --line: #ddd6c8;
  --line-soft: #e9e3d6;
  --accent: #ad5a26;
  --accent-ink: #7a3f1a;
  --accent-tint: #f1e2d3;
  --good: #376b45;
  --good-tint: #e3efe3;
  --warn: #83560f;
  --warn-tint: #f5ecd9;
  --bad: #b23b2f;
  --bad-tint: #f6e3df;
  --focus-ring: #2f6fb0;
  --mark-phrase: #d9c58a;
  --mark-phrase-ink: #5c4d15;
  --mark-buzzword: #cd9e6f;
  --mark-buzzword-ink: #43290d;
  --mark-construction: #c78a9a;
  --mark-construction-ink: #451c27;
  --mark-hedge: #b9c4a8;
  --mark-hedge-ink: #3d4630;
  --mark-emoji: #9fbfc7;
  --mark-emoji-ink: #1f4650;
  --mark-emdash: #a9aec9;
  --mark-emdash-ink: #2c2f52;
  --mark-bold-bullet: #cbb6d6;
  --mark-bold-bullet-ink: #4a2c56;
  --shadow-card: 0 1px 2px rgba(32, 33, 31, 0.06), 0 4px 16px rgba(32, 33, 31, 0.06);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #1c1c1a;
  --paper-raised: #242422;
  --ink: #ece7dc;
  --ink-soft: #c3beb2;
  --ink-faint: #8f8b80;
  --line: #38372f;
  --line-soft: #2b2a25;
  --accent: #e08a52;
  --accent-ink: #f2b587;
  --accent-tint: #3a2a1c;
  --good: #7fc491;
  --good-tint: #223226;
  --warn: #e0b85a;
  --warn-tint: #362c17;
  --bad: #e6867a;
  --bad-tint: #3a2320;
  --focus-ring: #7db3e8;
  --mark-phrase: #6b5d2c;
  --mark-phrase-ink: #f0e2ab;
  --mark-buzzword: #6b4a26;
  --mark-buzzword-ink: #f0cda3;
  --mark-construction: #6b3a48;
  --mark-construction-ink: #f0c1cf;
  --mark-hedge: #4a5539;
  --mark-hedge-ink: #d3e0bf;
  --mark-emoji: #2f5860;
  --mark-emoji-ink: #b9e2ea;
  --mark-emdash: #3d4270;
  --mark-emdash-ink: #ccd0f0;
  --mark-bold-bullet: #4d3956;
  --mark-bold-bullet-ink: #e6cdf0;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.25), 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* ---------- reset-ish ---------- */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--dur-med) var(--ease), color var(--dur-med) var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

img, svg { display: block; max-width: 100%; }

button {
  font: inherit;
  color: inherit;
}

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

:focus-visible {
  outline: 2.5px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

/* skip link */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--paper-raised);
  color: var(--ink);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  z-index: 100;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus {
  top: 1rem;
}

/* ---------- layout shell ---------- */

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  padding-top: 2.5rem;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--paper-raised);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}
.icon-button:hover {
  border-color: var(--ink-faint);
  background: var(--line-soft);
}
.icon-button:active {
  transform: scale(0.96);
}
.icon-button svg {
  width: 19px;
  height: 19px;
  stroke: var(--ink-soft);
}

.theme-icon-dark { display: none; }
:root[data-theme="dark"] .theme-icon-light { display: none; }
:root[data-theme="dark"] .theme-icon-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-light { display: none; }
  :root:not([data-theme="light"]) .theme-icon-dark { display: block; }
}

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

.hero {
  padding: 0.5rem 0 2rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 1.4rem + 2vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 0.85rem;
  max-width: 22ch;
}

.hero p.tagline {
  font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 1.1rem;
}

.privacy-line {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.55rem;
  background: var(--good-tint);
  color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--good) 35%, var(--line));
  border-radius: var(--radius-md);
  padding: 0.6rem 0.9rem;
  font-size: 0.9rem;
  line-height: 1.45;
  max-width: 62ch;
}

.privacy-line svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 0.15rem;
  stroke: var(--good);
}

.privacy-line strong {
  font-weight: 600;
}

/* ---------- toolbar ---------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 1.5rem 0 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--paper-raised);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:hover {
  border-color: var(--ink-faint);
  background: var(--line-soft);
}
.btn:active {
  transform: scale(0.98);
}
.btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff8f0;
}
.btn-primary:hover {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
}

.btn-ghost {
  background: transparent;
}

.toolbar-spacer { flex: 1 1 auto; }

.word-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* ---------- editor + backdrop overlay ---------- */

.editor-shell {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--paper-raised);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.editor-shell:focus-within {
  border-color: var(--focus-ring);
  box-shadow: var(--shadow-card), 0 0 0 3px color-mix(in srgb, var(--focus-ring) 25%, transparent);
}

/* Shared box metrics — these two rules MUST match exactly, character for
   character, for the highlight overlay to align with the live textarea. */
.editor-surface {
  margin: 0;
  padding: 1.5rem 1.6rem;
  font-family: var(--font-serif);
  font-size: 1.14rem;
  line-height: 1.75;
  letter-spacing: 0;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: normal;
  tab-size: 2;
}

.editor-backdrop {
  position: absolute;
  inset: 0;
  overflow: auto;
  pointer-events: none;
  color: var(--ink-faint);
  z-index: 1;
}

.editor-backdrop mark {
  border-radius: 3px;
  padding: 0.05em 0;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  cursor: help;
  pointer-events: auto;
}
.editor-backdrop mark:focus-visible,
.editor-backdrop mark:hover {
  outline: 2px solid currentColor;
  outline-offset: 1px;
}

mark.m-phrase { background: var(--mark-phrase); color: var(--mark-phrase-ink); }
mark.m-buzzword { background: var(--mark-buzzword); color: var(--mark-buzzword-ink); }
mark.m-construction { background: var(--mark-construction); color: var(--mark-construction-ink); }
mark.m-hedge { background: var(--mark-hedge); color: var(--mark-hedge-ink); }
mark.m-emoji { background: var(--mark-emoji); color: var(--mark-emoji-ink); }
mark.m-emdash { background: var(--mark-emdash); color: var(--mark-emdash-ink); }
mark.m-bold-bullet { background: var(--mark-bold-bullet); color: var(--mark-bold-bullet-ink); }

.editor-textarea {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  resize: none;
  overflow: auto;
  border: 0;
  background: transparent;
  color: transparent;
  caret-color: var(--ink);
  /* Must match .editor-surface (the backdrop) exactly, not inherit the body
     sans stack - otherwise a serif backdrop over a sans textarea drift apart
     and the highlight marks slide out of alignment as the text grows. */
  font-family: var(--font-serif);
  outline: none;
}
.editor-textarea::selection {
  background: color-mix(in srgb, var(--focus-ring) 35%, transparent);
  color: transparent;
}
.editor-textarea::placeholder {
  color: var(--ink-faint);
  opacity: 1;
}

.editor-frame {
  position: relative;
  height: 340px;
}

@media (max-width: 480px) {
  .editor-frame { height: 300px; }
}

/* empty state hint painted by the backdrop text color itself; placeholder
   text lives in the actual textarea placeholder attribute */

.editor-footer-hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 1.1rem;
  border-top: 1px solid var(--line-soft);
  background: var(--paper);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.05rem 0.4rem;
}

/* ---------- score panel ---------- */

.results-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
  margin: 1.75rem 0 3rem;
}

@media (min-width: 860px) {
  .results-grid {
    grid-template-columns: 280px minmax(0, 1fr);
    align-items: start;
  }
}

.score-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--paper-raised);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  position: sticky;
  top: 1rem;
}

.score-card[data-verdict="good"] { border-color: color-mix(in srgb, var(--good) 45%, var(--line)); }
.score-card[data-verdict="warn"] { border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); }
.score-card[data-verdict="bad"] { border-color: color-mix(in srgb, var(--bad) 45%, var(--line)); }

.score-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.score-number {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.6rem, 2.2rem + 2vw, 3.4rem);
  font-weight: 600;
  line-height: 1;
  margin: 0;
  letter-spacing: -0.02em;
  transition: color var(--dur-med) var(--ease);
}
.score-number .unit {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink-faint);
  margin-left: 0.3rem;
  letter-spacing: normal;
}

.score-card[data-verdict="good"] .score-number { color: var(--good); }
.score-card[data-verdict="warn"] .score-number { color: var(--warn); }
.score-card[data-verdict="bad"] .score-number { color: var(--bad); }

.score-verdict {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
}
.score-card[data-verdict="good"] .score-verdict { background: var(--good-tint); color: var(--good); }
.score-card[data-verdict="warn"] .score-verdict { background: var(--warn-tint); color: var(--warn); }
.score-card[data-verdict="bad"] .score-verdict { background: var(--bad-tint); color: var(--bad); }

.score-verdict svg { width: 16px; height: 16px; flex-shrink: 0; }

.score-meta {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.85rem;
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.score-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}
.score-meta-row span:last-child {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ---------- breakdown panel ---------- */

.breakdown {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--paper-raised);
  box-shadow: var(--shadow-card);
  padding: 1.5rem 1.6rem;
}

.breakdown h2 {
  font-size: 1.05rem;
  margin: 0 0 1rem;
  font-weight: 600;
}

.clean-state {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0.25rem;
  color: var(--ink-soft);
}
.clean-state svg {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  stroke: var(--good);
}
.clean-state strong {
  display: block;
  color: var(--ink);
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.breakdown-section {
  margin-bottom: 1.4rem;
}
.breakdown-section:last-child { margin-bottom: 0; }

.breakdown-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin: 0 0 0.65rem;
}

.swatch {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  flex-shrink: 0;
}
.swatch-phrase { background: var(--mark-phrase); }
.swatch-buzzword { background: var(--mark-buzzword); }
.swatch-construction { background: var(--mark-construction); }
.swatch-hedge { background: var(--mark-hedge); }
.swatch-emoji { background: var(--mark-emoji); }
.swatch-emdash { background: var(--mark-emdash); }
.swatch-bold-bullet { background: var(--mark-bold-bullet); }

.finding-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.finding-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.15rem 0.6rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--paper);
  border: 1px solid var(--line-soft);
}

.finding-term {
  font-weight: 600;
  font-size: 0.94rem;
}

.finding-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  color: var(--ink-faint);
}

.finding-lines {
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.finding-hint {
  flex-basis: 100%;
  font-size: 0.85rem;
  color: var(--accent-ink);
  display: flex;
  gap: 0.4rem;
}
.finding-hint svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 0.15rem;
  stroke: currentColor;
}

.surface-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.6rem;
}

.stat-tile {
  border: 1px solid var(--line-soft);
  background: var(--paper);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
}
.stat-tile[data-flag="true"] {
  border-color: color-mix(in srgb, var(--warn) 45%, var(--line));
  background: var(--warn-tint);
}
.stat-tile-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.2;
}
.stat-tile-label {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 0.1rem;
}

/* ---------- explainer (collapsible) ---------- */

.explainer {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--paper-raised);
  margin-bottom: 3rem;
  overflow: hidden;
}

.explainer summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.98rem;
  user-select: none;
}
.explainer summary::-webkit-details-marker { display: none; }

.explainer summary .chevron {
  width: 16px;
  height: 16px;
  stroke: var(--ink-soft);
  transition: transform var(--dur-fast) var(--ease);
  margin-left: auto;
  flex-shrink: 0;
}
.explainer[open] summary .chevron { transform: rotate(180deg); }

.explainer-body {
  padding: 0 1.5rem 1.4rem;
  color: var(--ink-soft);
}

.explainer-body dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1rem;
  margin: 0;
}
.explainer-body dt {
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}
.explainer-body dd {
  margin: 0;
  font-size: 0.94rem;
}

@media (max-width: 640px) {
  .explainer-body dl {
    grid-template-columns: 1fr;
  }
  .explainer-body dd {
    margin-bottom: 0.6rem;
  }
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 3rem;
  color: var(--ink-faint);
  font-size: 0.88rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}

.site-footer code {
  font-family: var(--font-mono);
  background: var(--line-soft);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.85em;
  color: var(--ink-soft);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ---------- visually-hidden utility ---------- */

.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;
}

/* ---------- small screens ---------- */

@media (max-width: 480px) {
  .page { padding: 0 1rem; }
  .editor-surface { padding: 1.1rem 1.1rem; font-size: 1.05rem; }
  .toolbar { gap: 0.45rem; }
  .btn { padding: 0.45rem 0.7rem; font-size: 0.85rem; }
  .score-card { position: static; }
  .site-footer { flex-direction: column; }
}

/* ---------- tooltip (native title-like, but styled) ---------- */

.mark-tooltip {
  position: fixed;
  z-index: 50;
  max-width: 280px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.8rem;
  line-height: 1.4;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  pointer-events: none;
  opacity: 0;
  transform: translateY(2px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.mark-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}
.mark-tooltip .tt-label {
  font-weight: 600;
  display: block;
}
.mark-tooltip .tt-hint {
  color: color-mix(in srgb, var(--paper) 80%, transparent);
  display: block;
  margin-top: 0.15rem;
}