@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap");

/* ==========================================================================
   Qualidade de Software — ADS Senac — Design System
   Blueprint técnico, paleta violeta + rosa, tema claro/escuro por tokens CSS
   ========================================================================== */

:root {
  color-scheme: light;

  /* -- paleta base -- */
  --accent: #7c3aed;
  --accent-strong: #6d28d9;
  --accent-soft: #a78bfa;
  --accent-pink: #ec4899;
  --accent-pink-strong: #db2777;

  /* -- superfícies (claro) -- */
  --bg: #faf9fd;
  --bg-raised: #ffffff;
  --bg-sunken: #f1edfb;
  --line: #ddd6f3;
  --line-strong: #c4b8ec;
  --grid-line: rgba(124, 58, 237, 0.07);

  /* -- texto -- */
  --ink: #1c1730;
  --ink-soft: #4b4462;
  --ink-faint: #746c8e;

  /* -- estados -- */
  --ok: #17924f;
  --ok-bg: #e6f7ee;
  --ok-line: #9bdcb9;
  --bad: #c0264d;
  --bad-bg: #fdeaf0;
  --bad-line: #f0aec4;
  --warn: #b45309;
  --warn-bg: #fef3e2;

  /* -- tipografia -- */
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* -- forma -- */
  --radius-s: 4px;
  --radius-m: 8px;
  --radius-l: 14px;
  --shadow-card: 0 1px 2px rgba(28, 23, 48, 0.04), 0 8px 24px -14px rgba(109, 40, 217, 0.25);

  --header-h: 60px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --accent: #a78bfa;
  --accent-strong: #c4b5fd;
  --accent-soft: #8b5cf6;
  --accent-pink: #f472b6;
  --accent-pink-strong: #fb7185;

  --bg: #120f1e;
  --bg-raised: #1a1530;
  --bg-sunken: #171227;
  --line: #362a5c;
  --line-strong: #4b3a7a;
  --grid-line: rgba(167, 139, 250, 0.08);

  --ink: #f1edfb;
  --ink-soft: #c8bfe6;
  --ink-faint: #8f83b8;

  --ok: #4ade80;
  --ok-bg: #12281c;
  --ok-line: #2c5f42;
  --bad: #fb7185;
  --bad-bg: #2c1420;
  --bad-line: #6b2540;
  --warn: #fbbf24;
  --warn-bg: #2c2210;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px -16px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --accent: #a78bfa;
    --accent-strong: #c4b5fd;
    --accent-soft: #8b5cf6;
    --accent-pink: #f472b6;
    --accent-pink-strong: #fb7185;

    --bg: #120f1e;
    --bg-raised: #1a1530;
    --bg-sunken: #171227;
    --line: #362a5c;
    --line-strong: #4b3a7a;
    --grid-line: rgba(167, 139, 250, 0.08);

    --ink: #f1edfb;
    --ink-soft: #c8bfe6;
    --ink-faint: #8f83b8;

    --ok: #4ade80;
    --ok-bg: #12281c;
    --ok-line: #2c5f42;
    --bad: #fb7185;
    --bad-bg: #2c1420;
    --bad-line: #6b2540;
    --warn: #fbbf24;
    --warn-bg: #2c2210;

    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px -16px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 14px);
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 34px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 34px 100%,
    var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 18px;
}

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

code, pre, kbd {
  font-family: var(--font-mono);
}

pre {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.55;
}

code:not(pre code) {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-size: 0.86em;
}

:focus-visible {
  outline: 2px solid var(--accent-pink);
  outline-offset: 2px;
  border-radius: 3px;
}

::selection {
  background: var(--accent-soft);
  color: #120f1e;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg-raised) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.brand .brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-pink));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
}

.brand {
  min-width: 0;
  flex-shrink: 1;
}

/* Só o texto do título encolhe/trunca; o selo "QS" e o sufixo "/ ADS"
   mantêm seu tamanho natural (o sufixo já some abaixo de 520px). */
.brand-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-actions {
  flex-shrink: 0;
}

/* telas pequenas: botão só com o ícone e sem o sufixo da marca */
.nav-toggle-label,
.brand .brand-sub {
  display: none;
}

@media (min-width: 520px) {
  .nav-toggle-label {
    display: inline;
  }
  .brand .brand-sub {
    display: inline;
  }
}

.brand .brand-sub {
  color: var(--ink-faint);
  font-weight: 400;
  font-size: 0.78rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--ink);
  cursor: pointer;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--ink);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

.theme-toggle:hover, .nav-toggle:hover {
  border-color: var(--accent-soft);
}

.site-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 18px 30px -20px rgba(28, 23, 48, 0.35);
}

.site-menu[hidden] {
  display: none;
}

.site-menu .site-menu-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding-top: 10px;
  padding-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.site-menu-list a {
  display: block;
  overflow-wrap: anywhere;
  padding: 10px 12px;
  border-radius: var(--radius-s);
  color: var(--ink-soft);
  text-decoration: none;
}

.site-menu-list a:hover,
.site-menu-list a:focus-visible {
  color: var(--accent-strong);
  background: var(--bg-sunken);
}

@media (min-width: 700px) {
  .site-menu .site-menu-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 40px 0 28px;
}

.hero-card {
  position: relative;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 28px 22px 26px;
}

/* cantos em "colchete", como no visual de referência */
.hero-card::before,
.hero-card::after,
.sources-card::before,
.sources-card::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  pointer-events: none;
}

.hero-card::before,
.sources-card::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.hero-card::after,
.sources-card::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

@media (min-width: 640px) {
  .hero-card {
    padding: 40px 44px 38px;
  }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  transform: rotate(45deg);
  display: inline-block;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 5vw, 2.7rem);
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.hero h1 span {
  background: linear-gradient(120deg, var(--accent) 20%, var(--accent-pink) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lede {
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
  margin: 0 0 22px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
}

/* ==========================================================================
   Sheet / seções gerais
   ========================================================================== */

.sheet {
  padding: 40px 0;
}

.section-intro {
  max-width: 720px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-intro h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  margin: 0 0 10px;
}

.section-intro p {
  color: var(--ink-soft);
  margin: 0;
}

/* ==========================================================================
   Chapter (conteúdo teórico)
   ========================================================================== */

.chapter {
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--bg-raised);
  box-shadow: var(--shadow-card);
  margin-bottom: 22px;
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 14px);
}

.chapter-head {
  padding: 22px 22px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-sunken);
}

.chapter-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-pink-strong);
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: 8px;
}

.chapter-head h3 {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  margin: 0 0 8px;
  line-height: 1.3;
}

.chapter-head p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 68ch;
}

.chapter-body {
  padding: 22px;
}

.chapter-body h4 {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  margin: 28px 0 10px;
  color: var(--ink);
  border-left: 3px solid var(--accent-pink);
  padding-left: 10px;
}

.chapter-body h4:first-child {
  margin-top: 0;
}

.chapter-body h5 {
  font-size: 0.92rem;
  margin: 18px 0 8px;
  color: var(--accent-strong);
  font-family: var(--font-mono);
}

.chapter-body p {
  margin: 0 0 12px;
  color: var(--ink-soft);
}

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

.chapter-body ul, .chapter-body ol {
  margin: 0 0 14px;
  padding-left: 22px;
  color: var(--ink-soft);
}

.chapter-body li {
  margin-bottom: 6px;
}

.chapter-body li strong {
  color: var(--ink);
}

.chapter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 14px 0 18px;
}

@media (min-width: 700px) {
  .chapter-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
  }
  .chapter-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 14px 16px;
  background: var(--bg-sunken);
}

.card h5 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-pink-strong);
}

.card p {
  margin: 0;
  font-size: 0.9rem;
}

.card p:not(:last-child) {
  margin-bottom: 8px;
}

.callout {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--accent);
  background: var(--bg-sunken);
  border-radius: var(--radius-m);
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 0.9rem;
}

.callout.callout-warn {
  border-left-color: var(--warn);
  background: var(--warn-bg);
}

.callout.callout-bad {
  border-left-color: var(--bad);
  background: var(--bad-bg);
}

.callout.callout-ok {
  border-left-color: var(--ok);
  background: var(--ok-bg);
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: none;
  color: var(--accent-strong);
  margin-bottom: 4px;
}

.table-wrap {
  overflow-x: auto;
  margin: 14px 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

table.compare-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.86rem;
  min-width: 460px;
}

table.compare-table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  padding: 8px 12px;
}

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

table.compare-table thead th {
  background: var(--bg-sunken);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-strong);
  white-space: nowrap;
}

table.compare-table tbody tr:last-child td {
  border-bottom: none;
}

table.compare-table tbody tr:hover {
  background: var(--bg-sunken);
}

.term-list {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}

.term-list dt {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-strong);
  font-size: 0.9rem;
}

.term-list dd {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  margin: 0 6px 6px 0;
}

/* ==========================================================================
   Quiz
   ========================================================================== */

.quiz-block {
  border-top: 1px dashed var(--line-strong);
  padding: 22px;
  background: var(--bg-sunken);
}

.quiz-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.quiz-block-head h4 {
  margin: 0;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.quiz-meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
}

.quiz-intro {
  padding: 14px 0;
}

.quiz-intro p {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0 0 14px;
}

.quiz-progress {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
  margin-bottom: 16px;
}

.quiz-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-pink));
  transition: width 0.25s ease;
}

.quiz-status {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
  margin-bottom: 10px;
}

.question-card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px;
}

.question-card .q-kind {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-pink-strong);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 2px 8px;
  margin-bottom: 10px;
}

.question-card .q-text {
  font-size: 1rem;
  margin: 0 0 16px;
  line-height: 1.5;
}

.options {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--ink);
  border-radius: var(--radius-m);
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.option:hover:not(:disabled) {
  border-color: var(--accent-soft);
}

.option .opt-letter {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  flex: 0 0 auto;
  width: 1.4em;
}

.option:disabled {
  cursor: default;
}

.option.is-correct {
  border-color: var(--ok-line);
  background: var(--ok-bg);
}

.option.is-correct .opt-letter {
  color: var(--ok);
}

.option.is-wrong {
  border-color: var(--bad-line);
  background: var(--bad-bg);
}

.option.is-wrong .opt-letter {
  color: var(--bad);
}

.option.is-muted {
  opacity: 0.55;
}

.feedback {
  border-radius: var(--radius-m);
  padding: 12px 14px;
  font-size: 0.9rem;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  display: none;
}

.feedback.is-visible {
  display: block;
}

.feedback.correct {
  background: var(--ok-bg);
  border-color: var(--ok-line);
  color: var(--ink);
}

.feedback.incorrect {
  background: var(--bad-bg);
  border-color: var(--bad-line);
  color: var(--ink);
}

.feedback strong.verdict {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 4px;
}

.feedback .correct & strong.verdict { color: var(--ok); }

.feedback-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  margin-top: 8px;
}

.q-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.essay-area {
  width: 100%;
  min-height: 110px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg-sunken);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  padding: 10px 12px;
  margin-bottom: 12px;
  resize: vertical;
}

.essay-answer {
  display: none;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-m);
  padding: 12px 14px;
  background: var(--bg-sunken);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.essay-answer.is-visible {
  display: block;
}

.essay-answer .verdict {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-pink-strong);
  margin-bottom: 6px;
}

.quiz-result {
  text-align: center;
  padding: 20px 10px;
}

.quiz-result .score-big {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  color: var(--accent-strong);
  margin: 6px 0;
}

.quiz-result p {
  color: var(--ink-soft);
  max-width: 50ch;
  margin: 0 auto 16px;
}

/* ==========================================================================
   Botões
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  border-radius: var(--radius-s);
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  background: var(--bg-raised);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
}

.btn:hover:not(:disabled) {
  border-color: var(--accent-soft);
}

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

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-pink));
  border-color: transparent;
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
}

/* ==========================================================================
   Rodapé
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 48px;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

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

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.footer-links a {
  color: var(--ink-soft);
}

.footer-links a:hover {
  color: var(--accent-strong);
}

@media (min-width: 700px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ==========================================================================
   Fontes (card final)
   ========================================================================== */

.sources-card {
  position: relative;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 26px 22px;
}

.sources-card h2 {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  margin: 0 0 10px;
}

.sources-card p {
  color: var(--ink-soft);
  max-width: 68ch;
  margin: 0 0 20px;
}

.toc-inline {
  margin-bottom: 0;
}

.loading {
  text-align: center;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.loading-error {
  color: var(--bad);
}

/* ==========================================================================
   Toc lateral simples (índice de conteúdos)
   ========================================================================== */

.toc {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0 0 34px;
}

@media (min-width: 700px) {
  .toc {
    grid-template-columns: repeat(4, 1fr);
  }
}

.toc a {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg-raised);
  padding: 10px 12px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.8rem;
}

.toc a:hover {
  border-color: var(--accent-soft);
}

.toc a .toc-n {
  display: block;
  font-family: var(--font-mono);
  color: var(--accent-pink-strong);
  font-size: 0.7rem;
  margin-bottom: 3px;
}

/* ==========================================================================
   Acessibilidade / motion
   ========================================================================== */

.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;
}

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