/* ═══════════════════════════════════════════════
   BASE — reset, tipografia e fundo da página

   box-sizing, scroll suave, body com as fontes do plano e o
   gradiente de fundo, utilitário .mono.

   Fonte única — importado por index.html e pelas páginas
   de trilha via <link>. Não duplicar inline.
═══════════════════════════════════════════════ */

/* ── reset ───────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text1);
  line-height: 1.7;
  margin: 0;
  background-image:
    radial-gradient(ellipse 80% 40% at 10% -4%, color-mix(in srgb, var(--state-success) 9%, transparent) 0%, transparent 50%),
    radial-gradient(ellipse 60% 35% at 92% 6%, color-mix(in srgb, var(--state-info) 7.000000000000001%, transparent) 0%, transparent 42%);
}

.mono {
  font-family: 'IBM Plex Mono', monospace
}

/* ── Cabeçalho global: O Sistema · Hub · Academia ───────────────────── */
.ac-system-header {
  position: relative;
  z-index: calc(var(--z-sticky) + 1);
  color: var(--text-1);
  background: color-mix(in srgb, var(--bg-deep) 96%, transparent);
  border-bottom: 1px solid var(--border);
}

.ac-system-container {
  width: min(100%, var(--content-max));
  min-width: 0;
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.ac-system-header__top {
  border-bottom: 1px solid var(--border);
}

.ac-system-header__top .ac-system-container {
  min-height: 3.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.ac-system-brand {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  color: var(--text-1);
  text-decoration: none;
}

.ac-system-brand strong {
  color: var(--accent);
  font: 700 .69rem/1.2 var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ac-system-brand span {
  overflow: hidden;
  color: var(--text-3);
  font: 500 .64rem/1.3 var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ac-system-header .ac-view-nav {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.ac-system-header .ac-view-nav a,
.ac-system-header .ac-view-nav span {
  min-height: 2.15rem;
  display: inline-flex;
  align-items: center;
  padding: .42rem .65rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-3);
  background: transparent;
  font: 600 .66rem/1.1 var(--font-mono);
  letter-spacing: .035em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: var(--transition-interactive);
}

.ac-system-header .ac-view-nav a:hover {
  border-color: var(--border-strong);
  color: var(--text-1);
  background: var(--surface-hover);
}

.ac-system-header .ac-view-nav a[aria-current="page"] {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
}

.ac-system-header .ac-view-nav span[aria-disabled="true"] {
  opacity: .52;
}

.ac-track-switcher .ac-system-container {
  min-height: 3rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
}

.ac-track-switcher__label {
  color: var(--text-3);
  font: 600 .61rem/1.2 var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ac-track-switcher nav {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: .2rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--accent-line) transparent;
  scrollbar-width: thin;
}

.ac-track-switcher a {
  min-height: 2rem;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: .38rem .56rem;
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  color: var(--text-3);
  font: 600 .63rem/1.1 var(--font-mono);
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition-interactive);
}

.ac-track-switcher a:hover {
  color: var(--text-1);
  background: var(--surface-hover);
}

.ac-track-switcher a[aria-current="page"] {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
}

@media (max-width: 760px) {
  .ac-system-header__top .ac-system-container {
    align-items: stretch;
    flex-direction: column;
    gap: .35rem;
    padding-block: .65rem;
  }

  .ac-system-brand {
    justify-content: space-between;
  }

  .ac-system-header .ac-view-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ac-system-header .ac-view-nav a,
  .ac-system-header .ac-view-nav span {
    justify-content: center;
    padding-inline: .35rem;
  }

  .ac-track-switcher .ac-system-container {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: .25rem;
    padding-block: .55rem;
  }
}

@media (max-width: 460px) {
  .ac-system-brand span {
    display: none;
  }

  .ac-system-header .ac-view-nav a,
  .ac-system-header .ac-view-nav span {
    min-width: 0;
    font-size: .59rem;
    white-space: normal;
    text-align: center;
  }
}

/* ═══════════════════════════════════════════════
   Progresso nas páginas de trilha (Etapa 8)
   base.css é carregado por index.html E pelas trilhas, então
   estes estilos valem no roadmap de cada página de trilha.
═══════════════════════════════════════════════ */

.roadmap-progress {
  background: var(--surface-2);
  border: 1px solid var(--border, rgba(255, 255, 255, .09));
  border-radius: 12px;
  padding: .9rem 1.1rem;
  margin-bottom: 1.2rem;
}

/* Estado funcional compartilhado: precisa vencer displays específicos dos cards. */
.is-hidden-by-search { display: none !important; }

.roadmap-progress-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: .5rem;
  font-size: .86rem;
  color: var(--text1, #e2e8f0);
}

.roadmap-progress-num {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: .82rem;
}

.roadmap-progress-hint {
  font-size: .76rem;
  color: var(--text3, #64748b);
  margin: .5rem 0 0;
}

.prog-track {
  height: 8px;
  background: var(--surface-3);
  border-radius: 20px;
  overflow: hidden;
}

.prog-fill {
  height: 100%;
  border-radius: 20px;
  transition: width .35s ease;
}

.prog-frac { color: var(--text3, #64748b); font-weight: 400; font-size: .72rem; }

/* checkbox de tópico no roadmap */
.roadmap-check { list-style: none; padding-left: 0; }

.roadmap-check li { margin-bottom: .4rem; }

.topic-check {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  cursor: pointer;
}

.topic-check input {
  margin-top: .25rem;
  accent-color: var(--accent, var(--mastery-mastered));
  flex-shrink: 0;
}

.topic-check span {
  font-size: .8rem;
  line-height: 1.55;
  color: var(--text2, #94a3b8);
  transition: color .14s, opacity .14s;
}

.roadmap-check li.is-done .topic-check span {
  text-decoration: line-through;
  opacity: .5;
}

/*
 * Escada de domínio por objetivo (DIDATIC-002/003)
 *
 * A assinatura visual é a régua de cinco segmentos: ela representa uma
 * progressão real, e não decoração. As cores avançam de leitura para retenção.
 */
.roadmap-list.roadmap-objectives {
  list-style: none;
  margin: 0;
  padding: 0;
}

.roadmap-list.roadmap-objectives > .topic-item {
  --topic-state-color: #8592a6;
  position: relative;
  margin: 0 0 .7rem;
  padding: .72rem;
  overflow: hidden;
  color: var(--text2, #94a3b8);
  background: rgba(5, 7, 12, .28);
  border: 1px solid var(--border, rgba(255, 255, 255, .09));
  border-left: 2px solid var(--topic-state-color);
  border-radius: 9px;
}

.roadmap-list.roadmap-objectives > .topic-item:last-child {
  margin-bottom: 0;
}

.topic-item.is-state-nao_iniciado { --topic-state-color: #8592a6; }
.topic-item.is-state-em_estudo { --topic-state-color: var(--mastery-studying); }
.topic-item.is-state-praticado { --topic-state-color: var(--mastery-practiced); }
.topic-item.is-state-validado { --topic-state-color: var(--state-validated); }
.topic-item.is-state-dominado { --topic-state-color: var(--mastery-mastered); }

.topic-objective-row {
  display: block;
}

.topic-objective-copy {
  min-width: 0;
}

.topic-state-rail {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 3px;
  width: 100%;
  margin-bottom: .55rem;
}

.topic-state-rail i {
  display: block;
  height: 3px;
  border-radius: 4px;
  background: var(--surface-3);
}

.topic-state-rail i.is-reached[data-rail-state="nao_iniciado"] { background: #8592a6; }
.topic-state-rail i.is-reached[data-rail-state="em_estudo"] { background: var(--mastery-studying); }
.topic-state-rail i.is-reached[data-rail-state="praticado"] { background: var(--mastery-practiced); }
.topic-state-rail i.is-reached[data-rail-state="validado"] { background: var(--state-validated); }
.topic-state-rail i.is-reached[data-rail-state="dominado"] { background: var(--mastery-mastered); }

.topic-objective-text {
  display: block;
  color: var(--text1, #e2e8f0);
  font-size: .79rem;
  line-height: 1.58;
}

.topic-next-step {
  display: block;
  margin-top: .35rem;
  color: var(--text3, #8592a6);
  font-size: .67rem;
  line-height: 1.45;
}

.topic-state-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .55rem;
  margin-top: .58rem;
  color: var(--text3, #8592a6);
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.topic-state-field select {
  min-width: 9.5rem;
  min-height: 2.5rem;
  max-width: 100%;
  padding: .3rem 1.6rem .3rem .48rem;
  color: var(--topic-state-color);
  background-color: var(--surface-2);
  border: 1px solid color-mix(in srgb, var(--topic-state-color) 45%, transparent);
  border-radius: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.topic-state-field select option {
  color: var(--text1, #e2e8f0);
  background: var(--surface-2);
}

.topic-proof-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .32rem .55rem;
  margin-top: .55rem;
  padding-top: .5rem;
  border-top: 1px solid var(--border, rgba(255, 255, 255, .09));
}

.topic-proof-toggle {
  min-height: 2.25rem;
  padding: .35rem 0;
  color: var(--topic-state-color);
  background: transparent;
  border: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .65rem;
  font-weight: 700;
  cursor: pointer;
}

.topic-proof-toggle:hover {
  color: var(--text1, #e2e8f0);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.topic-proof-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  color: var(--text2, #94a3b8);
  font-family: 'IBM Plex Mono', monospace;
  font-size: .62rem;
  text-decoration: none;
}

.topic-proof-link:hover {
  color: var(--text1, #e2e8f0);
}

.topic-proof-missing {
  color: var(--text3, #8592a6);
  font-size: .63rem;
}

.topic-d30-badge {
  margin-left: auto;
  padding: .12rem .36rem;
  color: var(--mastery-mastered);
  background: color-mix(in srgb, var(--state-success) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--state-success) 25%, transparent);
  border-radius: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .57rem;
  font-weight: 700;
  white-space: nowrap;
}

.topic-evidence-form {
  margin-top: .58rem;
  padding: .6rem;
  background: var(--surface-2);
  border: 1px solid var(--border, rgba(255, 255, 255, .09));
  border-radius: 7px;
}

.topic-evidence-form[hidden] {
  display: none;
}

.topic-evidence-form > label {
  display: block;
  margin-bottom: .28rem;
  color: var(--text2, #94a3b8);
  font-family: 'IBM Plex Mono', monospace;
  font-size: .62rem;
  font-weight: 700;
}

.topic-evidence-fields {
  display: flex;
  gap: .35rem;
}

.topic-evidence-fields input {
  min-width: 0;
  min-height: 2.5rem;
  flex: 1;
  padding: .42rem .48rem;
  color: var(--text1, #e2e8f0);
  background: var(--bg, #07090f);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: .7rem;
}

.topic-evidence-fields button {
  flex: 0 0 auto;
  min-height: 2.5rem;
  padding: .42rem .56rem;
  color: #05070c;
  background: var(--topic-state-color);
  border: 0;
  border-radius: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .63rem;
  font-weight: 700;
  cursor: pointer;
}

.topic-field-hint,
.topic-field-error {
  display: block;
  margin-top: .3rem;
  font-size: .61rem;
  line-height: 1.4;
}

.topic-field-hint { color: var(--text3, #8592a6); }
.topic-field-error { color: var(--state-warning); }
.topic-field-error:empty { display: none; }

.mastery-legend {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .6rem;
  margin-top: .72rem;
}

.mastery-legend-item {
  display: inline-flex;
  align-items: center;
  gap: .28rem;
  color: var(--text3, #8592a6);
  font-family: 'IBM Plex Mono', monospace;
  font-size: .59rem;
}

.mastery-legend-item i {
  display: grid;
  width: 1rem;
  height: 1rem;
  place-items: center;
  color: #05070c;
  border-radius: 50%;
  font-size: .52rem;
  font-style: normal;
  font-weight: 800;
}

.mastery-legend-item[data-legend-state="nao_iniciado"] i { background: #8592a6; }
.mastery-legend-item[data-legend-state="em_estudo"] i { background: var(--mastery-studying); }
.mastery-legend-item[data-legend-state="praticado"] i { background: var(--mastery-practiced); }
.mastery-legend-item[data-legend-state="validado"] i { background: var(--state-validated); }
.mastery-legend-item[data-legend-state="dominado"] i { background: var(--mastery-mastered); }

.roadmap-feedback {
  position: sticky;
  top: 4.5rem;
  z-index: 20;
  width: fit-content;
  max-width: min(34rem, 100%);
  height: 0;
  margin: 0 auto;
  padding: 0 .8rem;
  overflow: hidden;
  opacity: 0;
  color: var(--text1, #e2e8f0);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
  font-size: .76rem;
  transition: opacity .16s ease, height .16s ease, padding .16s ease;
}

.roadmap-feedback.is-visible {
  height: auto;
  margin-bottom: .7rem;
  padding: .55rem .8rem;
  opacity: 1;
}

.roadmap-feedback[data-type="success"] { border-color: color-mix(in srgb, var(--state-success) 42%, transparent); }
.roadmap-feedback[data-type="warning"] { border-color: color-mix(in srgb, var(--state-warning) 50%, transparent); }

@media (max-width: 420px) {
  .topic-state-field {
    align-items: stretch;
    flex-direction: column;
  }

  .topic-state-field select {
    width: 100%;
  }

  .topic-evidence-fields {
    flex-direction: column;
  }
}

/* checkboxes persistidos de financeiro.html */
.check-item.is-checked span { opacity: .6; text-decoration: line-through; }

/* ═══════════════════════════════════════════════
   Acessibilidade (Etapa 9)
═══════════════════════════════════════════════ */

/* STUDY-062: skip-link — primeiro elemento focável, fora da tela até receber foco */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 2000;
  background: var(--accent, var(--mastery-mastered));
  color: #05070c;
  font-weight: 700;
  padding: .6rem 1rem;
  border-radius: 0 0 8px 0;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
}

/*
 * Botão "voltar ao dashboard" (.nav-back). Componente compartilhado por hubs
 * (body.is-hub) e subpáginas de Academia (body.is-academy); definido aqui, em
 * base.css, para renderizar idêntico em todas as páginas onde existe.
 */
.nav-back {
  display: inline-flex;
  min-height: 2.25rem;
  align-items: center;
  justify-content: center;
  padding: .45rem .64rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-3);
  font: 600 .7rem/1.15 var(--font-mono);
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition-interactive);
}

.nav-back:hover {
  border-color: var(--border);
  color: var(--text-1);
  background: var(--surface-hover);
}

/* STUDY-063: foco visível consistente em tudo que é interativo */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible,
.nav-link:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent, var(--mastery-mastered));
  outline-offset: 2px;
  border-radius: 4px;
}

/* remove o outline só de quem usa mouse; mantém para teclado */
:focus:not(:focus-visible) {
  outline: none;
}

/* STUDY-065: respeita quem pediu menos movimento */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Trilhas relacionadas (STUDY-057) — nas páginas de trilha ── */
.related-tracks {
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border, rgba(255, 255, 255, .09));
}

.related-label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text3, #8592a6);
  margin-bottom: .6rem;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.related-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  gap: .35rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--rel-color, var(--accent, var(--mastery-mastered)));
  border: 1px solid var(--rel-color, var(--accent, var(--mastery-mastered)));
  background: color-mix(in srgb, var(--rel-color, var(--mastery-mastered)) 10%, transparent);
  border-radius: 8px;
  padding: .35rem .7rem;
  text-decoration: none;
  transition: background .14s;
}

.related-chip:hover {
  background: color-mix(in srgb, var(--rel-color, var(--mastery-mastered)) 22%, transparent);
}

.related-arrow { opacity: .7; }

/* ── histórico de evidências (DIDATIC-025) ── */
.topic-evidence-history {
  margin-top: .75rem;
  border-top: 1px solid var(--border);
  padding-top: .65rem;
}

.topic-evidence-history summary {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  max-width: 100%;
  cursor: pointer;
  color: var(--text2);
  font-family: 'IBM Plex Mono', monospace;
  font-size: .7rem;
  font-weight: 700;
}

.topic-evidence-history ol {
  display: grid;
  gap: .4rem;
  margin: .65rem 0 0;
  padding: 0;
  list-style: none;
}

.topic-evidence-history li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .7rem;
  align-items: center;
  padding: .45rem .55rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-2);
}

.topic-evidence-history a {
  overflow: hidden;
  color: var(--accent);
  font-size: .7rem;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topic-evidence-history time {
  color: var(--text3);
  font-family: 'IBM Plex Mono', monospace;
  font-size: .62rem;
}

@media (max-width: 560px) {
  .topic-evidence-history li { grid-template-columns: 1fr; gap: .2rem; }
}