/* ============================================================================
   TOKENS
============================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600&family=Barlow+Condensed:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* cor — papel claro, acento verde pastel */
  --bg: #f4f4f2;
  --bg-panel: #ececea;
  --ink: #1d1f20;
  --ink-dim: color-mix(in srgb, var(--ink) 68%, transparent);
  --ink-faint: color-mix(in srgb, var(--ink) 48%, transparent);
  --line: color-mix(in srgb, var(--ink) 15%, transparent);

  --accent: #7fad8b;
  --accent-600: #6c9c79;
  --accent-700: #4f7a5c;
  --accent-800: #395a43;
  --accent-100: #e6f1e9;

  /* tipografia */
  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-body: "Barlow", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* escala */
  --space-1: 0.5rem;
  --space-2: 0.875rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;

  --radius: 2px;
  --max-width: 72rem;
  --measure: 38rem;
}

/* Tema escuro: aplicado via [data-theme="dark"] (escolha explícita, ver
   .theme-toggle) ou automaticamente pelo prefers-color-scheme do sistema
   quando não há escolha salva (ver regra @media logo abaixo). */
:root[data-theme='dark'] {
  --bg: #17181a;
  --bg-panel: #1f2123;
  --ink: #edf0ee;

  --accent: #8fbf9b;
  --accent-600: #a3cdad;
  --accent-700: #bcdcc4;
  --accent-800: #d8ecdd;
  --accent-100: #223229;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #17181a;
    --bg-panel: #1f2123;
    --ink: #edf0ee;

    --accent: #8fbf9b;
    --accent-600: #a3cdad;
    --accent-700: #bcdcc4;
    --accent-800: #d8ecdd;
    --accent-100: #223229;
  }
}

/* ============================================================================
   RESET
============================================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  transition: background-color 0.2s ease, color 0.2s ease;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; font-family: var(--font-heading); font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: var(--accent); }
a:hover { color: var(--accent-800); }
img { max-width: 100%; display: block; }

button { font-family: inherit; }

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

.eyebrow-mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-700);
}

.text-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-700);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.text-link:hover { border-color: var(--accent-700); color: var(--accent-800); }

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

/* ============================================================================
   TAGS
============================================================================ */
.tag {
  display: inline-flex; align-items: center; font-size: 0.72rem;
  letter-spacing: 0.02em; padding: 3px 10px; border-radius: var(--radius);
  font-family: var(--font-mono);
}
.tag-accent { background: var(--accent-100); color: var(--accent-800); }
.tag-outline { border: 1px solid var(--line); color: var(--ink-dim); }
.tag-muted { border: 1px solid var(--line); color: var(--ink-faint); }

/* ============================================================================
   BOTÕES
============================================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: 600;
  font-size: 0.95rem; letter-spacing: 0.01em; color: var(--ink);
  background: transparent; border: 1px solid var(--line);
  padding: 0.7rem 1.15rem; border-radius: var(--radius);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-700); border-color: var(--accent-700); color: #fff; }
.btn-secondary:hover { background: color-mix(in srgb, var(--ink) 6%, transparent); }
.btn-ghost { border-color: transparent; color: var(--accent-700); padding-inline: 0.2rem; }
.btn-ghost:hover { color: var(--accent-800); background: none; }
.btn-block { width: 100%; }
.btn[aria-disabled='true'] {
  opacity: 0.45; cursor: default; pointer-events: none;
}

/* ============================================================================
   CABEÇALHO
============================================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding-block: var(--space-3) var(--space-2);
  transform: translateY(0);
  transition: transform 0.35s ease;
}
.site-header--hidden { transform: translateY(-100%); }

.header-stack {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.brand-mark {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 2.4rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink);
}

/* Botão hamburguer que abre o menu em overlay (ver .nav-overlay) */
.nav-toggle {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Alternador de tema claro/escuro (ver setupThemeToggle em src/main.ts) */
.theme-toggle {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}
.theme-toggle-track {
  display: block;
  width: 2.75rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  position: relative;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: calc(1.5rem - 6px);
  height: calc(1.5rem - 6px);
  border-radius: 50%;
  background: var(--ink);
  transition: transform 0.25s ease, background-color 0.2s ease;
}
.theme-toggle[aria-checked='true'] .theme-toggle-thumb {
  transform: translateX(1.25rem);
  background: var(--accent);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Overlay de navegação (aberto pelo .nav-toggle): fundo escurecido em tela
   cheia (fecha ao clicar fora) + gaveta lateral de até 50% da largura */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(0, 0, 0, 0.25);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-overlay-panel {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: min(50%, 24rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  background: var(--bg);
  box-shadow: 6px 0 24px rgba(0, 0, 0, 0.15);
  transform: translateX(-100%);
  transition: transform 0.35s ease;
}
.nav-overlay.is-open .nav-overlay-panel { transform: translateX(0); }

.nav-overlay-panel a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
  transition: color 0.2s ease;
}
.nav-overlay-panel a:hover, .nav-overlay-panel a[aria-current='page'] { color: var(--accent-700); }

.nav-overlay-close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: none;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--ink);
  cursor: pointer;
}

body.nav-open { overflow: hidden; }

/* ============================================================================
   CABEÇALHO DE PÁGINA
============================================================================ */
.page-header {
  padding-block: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--line);
}
.page-header h1 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  text-transform: uppercase;
  margin-block: var(--space-2);
}
.page-header p {
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: var(--measure);
}

/* ============================================================================
   SEÇÕES
============================================================================ */
.section {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--line);
}
.section:last-of-type { border-bottom: none; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.section-head h2 { font-size: 2rem; }

.empty-state {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink-faint);
  padding-block: var(--space-3);
}

/* ---- links de assinatura (subscribe) ---- */
.subscribe-row { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* ---- episódios: lista ---- */
#episode-list { display: flex; flex-direction: column; gap: var(--space-2); }

.episode-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease;
}
.episode-row:hover { border-color: var(--accent-700); }

.episode-row-number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--accent-700);
  flex: none;
  white-space: nowrap;
}
.episode-row-main { flex: 1; min-width: 0; }
.episode-row-title { font-family: var(--font-heading); font-weight: 600; font-size: 1.15rem; }
.episode-row-desc { font-size: 0.85rem; color: var(--ink-dim); margin-top: 2px; }
.episode-row-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
  flex: none;
  white-space: nowrap;
}

/* ---- episódio: detalhe ---- */
.episode-detail-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-bottom: var(--space-4);
}

.episode-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 32 / 9; /* metade da altura de um banner 16:9 na mesma largura */
  min-height: 8rem; /* piso pro texto sobreposto não ficar espremido em telas estreitas */
  background: var(--accent-100);
  overflow: hidden;
  margin-bottom: var(--space-3);
}
.episode-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Título/etiqueta/meta ficam sobrepostos no canto inferior esquerdo da
   imagem (em vez de abaixo dela) para o player vir logo em seguida. */
.episode-cover-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-3);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0) 85%);
}
.episode-cover-overlay .tag-accent { margin-bottom: var(--space-1); }
.episode-cover-overlay h1 { color: #fff; }
.episode-cover-overlay .episode-detail-meta { color: rgba(255, 255, 255, 0.8); margin-bottom: 0; }

.player-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-700);
  margin-bottom: 4px;
}

.player-panel {
  border: 1px solid var(--line);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
}
.player-panel audio { width: 100%; display: block; }

.episode-description {
  font-size: 0.9rem;
  line-height: 1.65;
  max-width: var(--measure);
  color: var(--ink-dim);
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
}

.episode-body {
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: var(--measure);
}
.episode-body p + p { margin-top: var(--space-3); }

.transcript-heading {
  font-size: 1.3rem;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.transcript-wrap {
  overflow: hidden;
  max-height: 4000px; /* expandido: alto o bastante pra qualquer transcrição */
  transition: max-height 0.4s ease;
}
.transcript-wrap.collapsed {
  max-height: 8rem;
  -webkit-mask-image: linear-gradient(to bottom, #000 60%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 60%, transparent 100%);
}

.transcript-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-2);
  padding: 0;
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-700);
}
.transcript-toggle:hover { color: var(--accent-800); }
.transcript-toggle .chevron { display: inline-block; transition: transform 0.2s ease; }

/* ---- artigos: grade estilo "pôster", altura uniforme ---- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: var(--space-4) var(--space-3);
}

.article-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.article-card-image {
  aspect-ratio: 3 / 4;
  background: var(--accent-100);
  border: 1px solid var(--line);
  overflow: hidden;
  margin-bottom: var(--space-2);
}
.article-card-image img { width: 100%; height: 100%; object-fit: cover; }
.article-card:hover .article-card-image { border-color: var(--accent-700); }
.article-card-kicker { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-700); margin-bottom: 4px; }
.article-card-title {
  font-family: var(--font-heading); font-weight: 600; font-size: 1.05rem; line-height: 1.25;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-card-meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-faint); margin-top: 4px; }

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: border-color 0.2s ease;
}
.card:hover { border-color: var(--accent-700); }
.card-kicker { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-700); }
.card-title { font-family: var(--font-heading); font-weight: 600; font-size: 1.15rem; }
.card-body { font-size: 0.88rem; color: var(--ink-dim); flex: 1; }
.card-meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); display: flex; gap: 6px; align-items: center; }

/* ---- artigo: detalhe ---- */
.article-body {
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: var(--measure);
}
.article-body p + p { margin-top: var(--space-3); }
.article-subtitle {
  font-family: var(--font-heading);
  font-style: italic;
  color: var(--ink-dim);
  font-size: 1.1rem;
  margin: var(--space-1) 0 var(--space-3);
}

/* ---- painel de destaque (home) ---- */
.feature-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.feature-panel-copy { max-width: 40ch; }
.feature-panel-copy h2 { font-size: 2rem; margin: 0; }
.feature-panel-episode {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ---- sobre: cartões de método ---- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

/* ---- contato ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-5);
}
.contact-placeholder {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
  border: 1px dashed var(--line);
  padding: 2px 6px;
}

/* ============================================================================
   RODAPÉ
============================================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: var(--space-5);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: flex-start;
  padding-block: var(--space-4);
}
.footer-brand { max-width: 32ch; }
.footer-word { font-family: var(--font-heading); font-weight: 600; font-size: 1.1rem; }
.footer-tagline { font-size: 0.85rem; color: var(--ink-faint); margin-top: 0.4rem; }
.footer-cols { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: var(--space-1); }
.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 2px;
}
.footer-col a { font-size: 0.85rem; text-decoration: none; color: var(--ink-dim); }
.footer-col a:hover { color: var(--accent-700); }
.footer-soon { font-size: 0.85rem; color: var(--ink-faint); }
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  padding-bottom: var(--space-3);
}

/* ============================================================================
   RESPONSIVO
============================================================================ */
@media (max-width: 640px) {
  .episode-row { flex-wrap: wrap; }
  .episode-row-meta { width: 100%; }
  .method-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-mark { font-size: 1.7rem; }
  .nav-overlay-panel {
    width: 100%;
    align-items: center;
    text-align: center;
  }
  .nav-overlay-panel a { font-size: clamp(2.8rem, 13vw, 4rem); }
}