/* ============================================================
   kleniopadilha.com — Site institucional de pesquisa
   Tema: DARK MODE minimalista moderno — preto/branco/cinza
   Sem Google Fonts, sem dependências externas.
   ============================================================ */

:root {
  --bg: #0a0a0a;
  --bg-soft: #111111;
  --bg-card: #141414;
  --bg-hover: #1a1a1a;
  --border: #262626;
  --border-soft: #1e1e1e;
  --text: #f5f5f5;
  --text-dim: #a3a3a3;
  --text-faint: #737373;
  --white: #ffffff;
  --black: #000000;
  --shadow: 0 1px 3px rgba(0,0,0,0.5);
  --radius: 4px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --maxw: 1000px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-wrap: break-word;
  -webkit-text-size-adjust: 100%;
}

img, video, canvas, svg, iframe { max-width: 100%; height: auto; }

/* Proteção: nada pode estourar a viewport horizontalmente */
.container, .article-body, .hero, .stats, .section,
.grid, .principle-grid, .legend, .link-grid, .social-list,
.kaggle-acc-body, .acc-block, .build-card, .repo-card, .transparency-block {
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
  min-width: 0;
}

/* Tabelas dentro de conteúdo: sempre scrollável em telas pequenas */
.table-wrap { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { max-width: 100%; }
th, td { overflow-wrap: break-word; word-wrap: break-word; }

::selection { background: var(--text); color: var(--bg); }

/* ---------- Layout ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.nav-brand {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.nav-brand .dot { color: var(--text-faint); }
.nav-links { display: flex; gap: 2px; align-items: center; }
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.78rem;
  padding: 6px 10px;
  transition: color 0.15s, background 0.15s;
  border-radius: 3px;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--white); background: var(--bg-soft); }
.nav-links a.active { color: var(--white); font-weight: 600; border-bottom: 2px solid var(--white); }

/* Dropdown "Mais" */
.nav-dropdown { position: relative; }
.nav-dropdown-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.78rem;
  padding: 6px 10px;
  cursor: pointer;
  transition: color 0.15s;
  font-family: inherit;
}
.nav-dropdown-btn:hover { color: var(--white); }
.nav-dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  min-width: 180px;
  padding: 6px 0;
  box-shadow: var(--shadow);
  z-index: 200;
}
.nav-dropdown-content.open { display: block; }
.nav-dropdown-content a {
  display: block;
  padding: 8px 16px;
  font-size: 0.8rem;
  border-radius: 0;
}
.nav-dropdown-content a:hover { background: var(--bg-hover); color: var(--white); }
.nav-dropdown-content a.active { color: var(--white); font-weight: 600; background: var(--bg-soft); }

/* Hambúrguer mobile — oculto em desktop */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu mobile — oculto em desktop */
.nav-mobile { display: none; }
.nav-overlay { display: none; }

/* Responsive: mobile (≤ 900px) */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }

  .nav-mobile {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    padding: 64px 24px 24px;
    z-index: 300;
    overflow-y: auto;
    transform: translateX(100%);
  }
  .nav-mobile.open {
    display: block;
    transform: translateX(0);
  }
  .nav-mobile a {
    display: block;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 1rem;
    padding: 12px 8px;
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-mobile a:hover { color: var(--white); }
  .nav-mobile a.active { color: var(--white); font-weight: 600; }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 250;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  .nav-overlay.open { opacity: 1; pointer-events: auto; }

  body.nav-open { overflow: hidden; }
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 48px; border-bottom: 1px solid var(--border); }
.hero-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
}
.hero-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  filter: grayscale(100%);
  transition: filter 0.3s ease, border-color 0.3s ease;
}
.hero-photo:hover { filter: grayscale(0%); border-color: var(--text-faint); }
.hero .eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  color: var(--white);
}
.hero .title {
  color: var(--text-dim);
  font-weight: 500;
  margin-top: 12px;
  font-size: 1.15rem;
}
.hero .bio {
  color: var(--text-dim);
  max-width: 640px;
  margin-top: 20px;
  font-size: 0.95rem;
  line-height: 1.85;
}
.hero .badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  font-weight: 500;
  padding: 5px 14px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-decoration: none;
  transition: all 0.15s;
}
.badge:hover { border-color: var(--text-faint); color: var(--white); background: var(--bg-soft); }

/* ---------- CV download buttons ---------- */
.cv-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.cv-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 9px 20px;
  border: 1px solid var(--white);
  background: var(--white);
  color: var(--black);
  text-decoration: none;
  transition: all 0.15s;
}
.cv-btn:hover { background: var(--bg-hover); color: var(--white); }
.cv-btn.ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}
.cv-btn.ghost:hover { border-color: var(--text-faint); color: var(--white); background: var(--bg-soft); }

/* ---------- Stats band ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 40px auto;
  align-items: stretch;
  justify-content: center;
  max-width: 960px;
}
.stats-head {
  grid-column: 1 / -1;
  text-align: center;
  padding: 18px 16px 4px;
  border-bottom: 1px solid var(--border-soft);
}
.stats-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
}
.stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 26px 12px 22px;
  text-align: center;
  border-right: 1px solid var(--border-soft);
  min-width: 0;
  max-width: 100%;
}
.stat:last-child { border-right: none; }
.stat-val {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}
.stat-label {
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stat-detail {
  font-size: 0.66rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  padding: 0 2px;
}
@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
  .stat { border-bottom: 1px solid var(--border-soft); }
  .stat:nth-child(4n) { border-right: none; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n) { border-right: none; }
  .stat:nth-child(4n) { border-right: 1px solid var(--border-soft); }
}

/* ---------- Sections ---------- */
.section { padding: 56px 0; border-bottom: 1px solid var(--border); }
.section:last-child { border-bottom: none; }
.section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.section .kicker {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--text-faint);
  margin-bottom: 8px;
}
.section .sub {
  color: var(--text-dim);
  max-width: 760px;
  margin-bottom: 28px;
  font-size: 0.92rem;
  line-height: 1.85;
}
.section .sub strong { color: var(--white); }

/* ---------- Category filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter-btn {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 7px 16px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn:hover { color: var(--white); border-color: var(--text-faint); }
.filter-btn.active { background: var(--white); color: var(--black); border-color: var(--white); }

/* ---------- Category legend ---------- */
.legend { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin-bottom: 32px; }
.legend-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-faint);
  padding: 16px;
}
.legend-item h4 { font-size: 0.9rem; margin-bottom: 4px; font-weight: 600; color: var(--white); }
.legend-item p { font-size: 0.82rem; color: var(--text-dim); }

/* ---------- Cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 16px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--text-faint); background: var(--bg-hover); transform: translateY(-2px); }
.card .card-cat {
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 2px 8px;
  align-self: flex-start;
}
.card h3 { font-size: 1.0rem; font-weight: 600; line-height: 1.35; color: var(--white); }
.card .card-sub { font-size: 0.8rem; color: var(--text-faint); }
.card .card-why {
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.65;
}
.card .card-links { display: flex; flex-wrap: wrap; gap: 6px; border-top: 1px solid var(--border-soft); padding-top: 12px; }
.mini-badge {
  font-size: 0.66rem;
  font-weight: 500;
  padding: 2px 8px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-decoration: none;
  transition: all 0.15s;
}
a.mini-badge:hover { border-color: var(--text-faint); color: var(--white); }
.mini-badge.doi { font-family: var(--font-mono); }
.mini-badge.branch { font-family: var(--font-mono); }
.mini-badge.prepatente {
  font-weight: 600;
  color: var(--white);
  border: 1px solid var(--white);
  background: var(--bg-soft);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--border);
}
.tl-item { position: relative; margin-bottom: 28px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--text-faint);
}
.tl-date { font-family: var(--font-mono); font-size: 0.74rem; color: var(--white); font-weight: 600; }
.tl-event { margin-top: 4px; font-size: 0.9rem; color: var(--text-dim); }
.tl-event .tl-cat {
  font-size: 0.64rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  margin-right: 8px;
  color: var(--text-faint);
}

/* ---------- Article page ---------- */
.article-head { padding: 48px 0 28px; border-bottom: 1px solid var(--border); }
.article-head .back { color: var(--text-dim); text-decoration: none; font-size: 0.8rem; }
.article-head .back:hover { color: var(--white); }
.article-head h1 { font-size: 1.9rem; margin-top: 16px; line-height: 1.25; font-weight: 700; color: var(--white); }
.article-head .subtitle { color: var(--text-dim); font-size: 0.98rem; margin-top: 8px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.article-body { padding: 40px 0; max-width: 800px; }
.article-body h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin: 32px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.article-body h2:first-child { margin-top: 0; }
.article-body p { color: var(--text-dim); margin-bottom: 12px; font-size: 0.93rem; line-height: 1.85; }
.article-body ul { list-style: none; margin: 8px 0 16px; }
.article-body ul li { position: relative; padding-left: 20px; margin-bottom: 8px; color: var(--text-dim); font-size: 0.93rem; }
.article-body ul li::before { content: "—"; position: absolute; left: 0; color: var(--text-faint); }
.article-body strong { color: var(--white); }

.link-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 16px; }
.link-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 14px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s;
}
.link-card:hover { border-color: var(--text-faint); }
.link-card .lk-label { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-faint); }
.link-card .lk-value { font-size: 0.86rem; font-weight: 500; margin-top: 4px; word-break: break-all; color: var(--text-dim); }
.link-card .lk-value a { color: var(--white); text-decoration: underline; text-underline-offset: 2px; }

.rel-list { display: flex; flex-wrap: wrap; gap: 8px; }
.rel-chip {
  font-size: 0.76rem;
  padding: 4px 12px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-decoration: none;
  transition: all 0.15s;
}
.rel-chip:hover { border-color: var(--text-faint); color: var(--white); }

/* ---------- P&B componentes institucionais ---------- */
.principle-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 24px 0; }
.principle {
  border: 1px solid var(--border);
  padding: 20px;
  background: var(--bg);
}
.principle h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; color: var(--white); }
.principle p { font-size: 0.84rem; color: var(--text-dim); line-height: 1.75; }

.big-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.big-number-label { font-size: 0.72rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 8px; }

.transparency-block {
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-faint);
  padding: 20px;
  margin-bottom: 20px;
  background: var(--bg);
}
.transparency-block h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; color: var(--white); }
.transparency-block .impact { font-size: 0.84rem; color: var(--text-dim); margin-bottom: 6px; }
.transparency-block .fix {
  font-size: 0.84rem;
  color: var(--white);
  border-top: 1px dashed var(--border);
  padding-top: 10px;
  margin-top: 10px;
}
.transparency-block .fix::before { content: "Correção: "; font-weight: 600; }

.data-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.86rem; }
.data-table th, .data-table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.data-table th { background: var(--bg-soft); font-weight: 600; color: var(--white); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.5px; }
.data-table td { color: var(--text-dim); }
.data-table tr:hover td { background: var(--bg-soft); }

/* ---------- Construção cards ---------- */
.build-card {
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 20px;
  background: var(--bg);
}
.build-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.build-head h3 { font-size: 1.05rem; font-weight: 700; color: var(--white); }
.build-status {
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid var(--border);
  padding: 2px 10px;
  color: var(--text-dim);
}
.build-meta { display: flex; gap: 8px; margin: 10px 0; flex-wrap: wrap; }
.build-private {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--text-faint);
  border-left: 3px solid var(--text-faint);
  background: var(--panel, #1a1a1a);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-dim);
}
.build-private strong { color: var(--white); display: block; margin-bottom: 4px; font-size: 0.9rem; }
.build-private-code {
  display: inline-block;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  color: var(--text);
  background: var(--panel-2, #222);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
}
.build-desc { color: var(--text-dim); font-size: 0.9rem; line-height: 1.75; margin-bottom: 8px; }
.build-state { font-size: 0.88rem; color: var(--text); margin-bottom: 8px; }
.build-state::before { content: "Estado atual: "; font-weight: 600; color: var(--white); }
.build-diff { font-size: 0.84rem; color: var(--text-dim); border-top: 1px dashed var(--border); padding-top: 10px; margin-top: 10px; }
.build-diff::before { content: "Dificuldades: "; font-weight: 600; color: var(--white); }

/* ---------- Fluxo do encaixe ---------- */
.flow { display: flex; flex-direction: column; gap: 0; margin: 24px 0; }
.flow-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.flow-item:last-child { border-bottom: none; }
.flow-num {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--black);
  background: var(--white);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.flow-text { font-size: 0.92rem; color: var(--text); }
.flow-text .flow-dim { color: var(--text-faint); font-size: 0.8rem; }

/* ---------- Repos/notebooks/zenodo detail ---------- */
.repo-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 20px;
}
.repo-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.repo-head h3 { font-size: 1.05rem; font-weight: 700; color: var(--white); }
.repo-meta { display: flex; gap: 8px; margin: 10px 0; flex-wrap: wrap; }
.repo-desc { color: var(--text-dim); font-size: 0.88rem; margin-bottom: 16px; }
.repo-evolution { border-left: 2px solid var(--border); padding-left: 16px; }
.evo-item { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px dashed var(--border); }
.evo-item:last-child { border-bottom: none; margin-bottom: 0; }
.evo-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.evo-version {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 10px;
  border: 1px solid var(--text-faint);
  color: var(--white);
}
.evo-commit { font-size: 0.68rem; color: var(--text-faint); font-family: var(--font-mono); }
.evo-msg { font-size: 0.84rem; color: var(--text); font-style: italic; margin-bottom: 10px; }
.evo-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.evo-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg-soft);
  padding: 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.evo-block.melhoria { border-left: 3px solid var(--text-faint); }
.evo-block.regressao { border-left: 3px solid var(--white); border-left-style: double; }
.evo-label { font-size: 0.64rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--white); }
.evo-label.melhoria, .evo-label.regressao { color: var(--white); }

.notebook-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 16px;
}
.notebook-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.notebook-head h3 { font-size: 0.98rem; font-weight: 600; color: var(--white); }
.notebook-meta { display: flex; gap: 8px; margin: 8px 0; flex-wrap: wrap; }
.notebook-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.notebook-why { color: var(--text-dim); font-size: 0.86rem; margin-top: 10px; }
.notebook-objective {
  color: var(--text);
  font-size: 0.88rem;
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-faint);
  line-height: 1.7;
}
.notebook-objective .evo-label { display: block; margin-bottom: 4px; }
.notebook-math {
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg);
}
.notebook-math summary {
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  padding: 8px 12px;
  user-select: none;
  transition: color 0.15s;
}
.notebook-math summary:hover { color: var(--white); }
.notebook-math summary::after { content: " ▾"; color: var(--text-faint); }
.notebook-math p {
  padding: 0 12px 12px;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.7;
  white-space: pre-line;
}
.notebook-tec {
  color: var(--text);
  font-size: 0.84rem;
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--bg-soft);
  border-left: 2px solid var(--text-faint);
}
.notebook-tec::before { content: "Técnica: "; font-weight: 600; color: var(--white); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.5px; }
.notebook-why::before { content: "Por que foi criado: "; color: var(--white); font-weight: 600; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.5px; }
.notebook-resolve { color: var(--text-dim); font-size: 0.86rem; margin-top: 6px; }
.notebook-resolve::before { content: "O que resolve: "; color: var(--white); font-weight: 600; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.5px; }
.notebook-results { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.notebook-evo { display: flex; flex-direction: column; gap: 4px; border-top: 1px solid var(--border); padding-top: 10px; font-size: 0.8rem; color: var(--text-dim); }

.zenodo-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 16px;
}
.zenodo-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.zenodo-head h3 { font-size: 0.98rem; font-weight: 600; color: var(--white); }
.zenodo-posicao {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg-soft);
  padding: 12px;
  margin: 12px 0;
  font-size: 0.86rem;
  color: var(--text-dim);
}
.zenodo-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

/* ---------- Sobre: redes sociais ---------- */
.social-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; margin: 24px 0; }
.social-card {
  border: 1px solid var(--border);
  padding: 16px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}
.social-card:hover { border-color: var(--text-faint); background: var(--bg-soft); }
.social-card .sc-name { font-weight: 700; font-size: 0.92rem; color: var(--white); }
.social-card .sc-url { font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-faint); margin-top: 4px; word-break: break-all; }
.social-card .sc-desc { font-size: 0.8rem; color: var(--text-dim); margin-top: 8px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; margin-top: 48px; color: var(--text-faint); font-size: 0.78rem; overflow: hidden; }
.site-footer .inner { display: flex; flex-direction: column; gap: 6px; max-width: 100%; overflow-wrap: break-word; word-wrap: break-word; }
.site-footer .inner > span { max-width: 100%; display: inline-block; }
.site-footer a { color: var(--text-dim); text-decoration: underline; text-underline-offset: 2px; overflow-wrap: break-word; word-wrap: break-word; }
.site-footer a:hover { color: var(--white); }

/* Doação — destacada do resto do rodapé, mas sem virar botão chamativo */
.footer-doacao {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
  line-height: 1.7;
}
.footer-doacao a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 2px;
  white-space: nowrap;
}
.footer-doacao a:hover { color: var(--white); }

/* ---------- Utilities ---------- */
.mono { font-family: var(--font-mono); }
.muted { color: var(--text-dim); }
.hidden { display: none !important; }
.empty-state { text-align: center; color: var(--text-faint); padding: 48px 0; font-size: 0.88rem; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 24px; justify-items: center; text-align: center; }
  .hero-photo { width: 150px; height: 150px; }
  .hero .bio { margin-left: auto; margin-right: auto; }
  .hero .badges { justify-content: center; }
  .article-body { padding: 28px 0; }
  .section { padding: 40px 0; }
  .hero { padding: 48px 0 32px; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 1.7rem; }
  .grid { grid-template-columns: 1fr; }
  .article-head h1 { font-size: 1.35rem; }
  .evo-detail, .zenodo-detail { grid-template-columns: 1fr; }
  .big-number { font-size: 2.2rem; }
  .container { padding: 0 16px; }
  .site-footer .inner { font-size: 0.72rem; }
  .stats { margin: 24px 0; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.5rem; }
  .hero .title { font-size: 1rem; }
  .nav-brand { font-size: 0.82rem; }
  .mini-badge { font-size: 0.6rem; }
  .filter-btn { padding: 6px 12px; font-size: 0.72rem; }
  .stat-val { font-size: 1.25rem; }
  .stat-label { font-size: 0.52rem; }
  .stat-detail { font-size: 0.58rem; }
  .article-head { padding: 32px 0 20px; }
  .article-body h2 { font-size: 0.95rem; }
  .principle, .card, .build-card, .repo-card { padding: 16px; }
}

/* ============================================================
   Kaggle — acordeão (tudo na mesma página, sem abrir novas)
   ============================================================ */
.kaggle-acc-list { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }

.kaggle-acc {
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.kaggle-acc:hover { border-color: var(--text-faint); }
.kaggle-acc[open] { border-color: var(--text-faint); }

.kaggle-acc-head {
  list-style: none;
  cursor: pointer;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  user-select: none;
}
.kaggle-acc-head::-webkit-details-marker { display: none; }
.kaggle-acc-head::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-faint);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.kaggle-acc[open] .kaggle-acc-head::after { content: "−"; }

.kaggle-acc-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; min-width: 0; }
.kaggle-acc-version {
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 9px;
  border: 1px solid var(--text-faint);
  color: var(--white);
  white-space: nowrap;
}
.kaggle-acc-name { font-size: 0.98rem; font-weight: 600; color: var(--white); }
.kaggle-acc-meta { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.kaggle-link { color: var(--white); border-color: var(--text-faint); }

.kaggle-acc-body {
  padding: 4px 20px 20px;
  border-top: 1px solid var(--border-soft);
}
.acc-block { margin-top: 14px; }
.acc-block .evo-label { display: block; margin-bottom: 5px; }
.acc-block p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.75; margin: 0; white-space: pre-line; }
.acc-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.acc-results { display: flex; flex-wrap: wrap; gap: 6px; }

.acc-sub {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg-soft);
}
.acc-sub summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 14px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.9px;
  color: var(--text-dim);
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.acc-sub summary::-webkit-details-marker { display: none; }
.acc-sub summary::before { content: "▸"; color: var(--text-faint); transition: transform 0.2s; }
.acc-sub[open] summary::before { transform: rotate(90deg); }
.acc-sub summary:hover { color: var(--white); }
.acc-sub-body { padding: 0 14px 14px; }
.acc-sub-body p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin: 0;
  white-space: pre-line;
}

@media (max-width: 640px) {
  .acc-grid2 { grid-template-columns: 1fr; }
  .kaggle-acc-head { padding: 14px 16px; }
  .kaggle-acc-body { padding: 4px 16px 16px; }
}

/* ============================================================
   Glossário — manual descritivo
   ============================================================ */
.glossario-list { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.glossario-item {
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg);
  overflow: hidden;
}
.glossario-item[open] { border-color: var(--text-faint); }
.glossario-item summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  user-select: none;
}
.glossario-item summary::-webkit-details-marker { display: none; }
.glossario-item summary::after { content: "+"; font-size: 1.2rem; color: var(--text-faint); }
.glossario-item[open] summary::after { content: "−"; }
.glossario-termo { font-size: 0.95rem; font-weight: 600; color: var(--white); }
.glossario-cat {
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  white-space: nowrap;
}
.glossario-body { padding: 4px 16px 16px; border-top: 1px solid var(--border-soft); }
.glossario-body .mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-soft);
  padding: 10px 12px;
  border-left: 2px solid var(--text-faint);
  white-space: pre-line;
  color: var(--text);
}

/* Badge de link não publicado */
.kaggle-pending {
  color: var(--text-faint);
  border-style: dashed;
  border-color: var(--border);
  font-style: italic;
}

/* Destaque "Por que publiquei" no academia */
.acc-destaque {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--white);
  padding: 14px 16px;
  margin-top: 16px;
}
.acc-destaque p {
  font-size: 0.92rem;
  line-height: 1.8;
}

/* Poemas */
.pensador-texto {
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--text);
  white-space: pre-line;
  padding: 4px 0;
}

/* ---------- Página História — formato editorial de revista ---------- */
.editorial-head {
  padding: 40px 0 24px;
  border-bottom: 2px solid var(--white);
  margin-bottom: 32px;
}
.editorial-head .ed-kicker {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-faint);
  margin-bottom: 12px;
}
.editorial-head h1 {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  letter-spacing: -0.5px;
}
.editorial-head .ed-deck {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 680px;
}
.editorial-head .ed-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.editorial-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 0 56px;
}
.editorial-body h2 {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  margin: 40px 0 14px;
  padding-top: 8px;
}
.editorial-body h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--text-faint);
  margin-top: 10px;
}
.editorial-body p {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 16px;
}
.editorial-body p strong { color: var(--white); }

/* Drop cap no primeiro parágrafo de cada capítulo */
.editorial-body .ed-dropcap::first-letter {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 0.85;
  float: left;
  padding-right: 8px;
  color: var(--white);
}

/* Citação central em destaque */
.editorial-pullquote {
  border-left: 3px solid var(--white);
  border-right: 3px solid var(--white);
  padding: 24px 28px;
  margin: 32px 0;
  text-align: center;
  background: var(--bg-soft);
}
.editorial-pullquote p {
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--white);
  line-height: 1.7;
  margin: 0;
}
.editorial-pullquote .ed-pullcite {
  font-style: normal;
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-top: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Box de destaque lateral (fato/chave) */
.editorial-fact {
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-faint);
  padding: 18px 20px;
  margin: 24px 0;
  background: var(--bg);
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.75;
}
.editorial-fact strong {
  color: var(--white);
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 6px;
}

/* Linha do tempo editorial */
.editorial-timeline {
  margin: 28px 0;
  border-top: 1px solid var(--border);
}
.ed-tl-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.ed-tl-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  text-align: right;
}
.ed-tl-text { color: var(--text-dim); font-size: 0.95rem; line-height: 1.7; }
.ed-tl-text strong { color: var(--white); }

@media (max-width: 640px) {
  .editorial-head h1 { font-size: 1.7rem; }
  .editorial-body h2 { font-size: 1.15rem; }
  .ed-tl-item { grid-template-columns: 1fr; gap: 4px; }
  .ed-tl-year { text-align: left; }
  .editorial-pullquote { padding: 18px; }
  .editorial-pullquote p { font-size: 1.05rem; }
}

/* ---------- Tabelas inline (renderizadas por JS) — responsivas ---------- */
@media (max-width: 700px) {
  .kaggle-acc-body table,
  .build-card table,
  .transparency-block table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 0.72rem !important;
  }
  .kaggle-acc-body table th,
  .kaggle-acc-body table td,
  .build-card table th,
  .build-card table td,
  .transparency-block table th,
  .transparency-block table td {
    padding: 5px 8px !important;
  }
}

/* ============================================================
   Blog editorial — índice (/blog.php) e posts (/blog/*.html)
   Herda o tema P&B. Adiciona suporte a prosa longa: blockquotes,
   código, tabelas, notas, TOC e navegação entre posts.
   ============================================================ */

/* ---------- Índice: lista de posts ---------- */
.post-list { display: flex; flex-direction: column; gap: 0; }

.post-card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  transition: opacity 0.15s;
}
.post-card:first-child { padding-top: 8px; }
.post-card:last-child { border-bottom: none; }
.post-card:hover { opacity: 0.78; }

.post-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.post-dot { color: var(--border); }
.post-doi { color: var(--white); }

.post-card h2 {
  font-size: 1.28rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
  margin: 10px 0 6px;
  border-bottom: none;
  padding-bottom: 0;
}
.post-card:hover h2 { text-decoration: underline; text-underline-offset: 4px; }

.post-card-sub {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}
.post-card-desc {
  font-size: 0.86rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 0;
}
.post-card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

/* ---------- Post: corpo em prosa longa ---------- */
/* --maxw do site é 1000px; para leitura longa travamos em ~72ch. */
.post-body {
  max-width: 760px;
  font-size: 1rem;
}

/* ---------- Post: demo GLSL embutido ----------
   A demo ocupa a largura toda do texto, mas o canvas em 16:9 fica
   estreito em 760px. Damos um respiro e deixamos o bloco se destacar
   do corpo da prosa, sem quebrar a leitura. */
.post-demo {
  margin: 40px 0 8px;
  padding: 26px 0 0;
  border-top: 1px solid var(--border);
}
.post-demo h2 { margin-top: 0; }
.post-demo-legenda {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 20px;
}
.post-demo .glsl-item-head h3 {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 6px;
}
.post-demo .glsl-item { padding: 0; border-top: none; }
.post-demo .glsl-didatica { margin: 0 0 16px; }
.post-demo .glsl-item-foot { margin-top: 12px; }

/* Blocos didáticos dentro do post reaproveitam o visual da página GLSL */
.post-demo-bloco {
  background: var(--bg-soft);
  border-left: 2px solid var(--border);
  padding: 12px 14px;
  margin-bottom: 1px;
}
.post-demo-bloco p {
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--text-dim);
  margin: 0;
}
.post-demo-rot {
  display: block;
  font-size: 0.64rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.post-demo-bloco.is-honesta { border-left-color: #ff8080; }
.post-demo-bloco.is-honesta .post-demo-rot { color: #ff8080; }
.post-demo-bloco.is-honesta p { color: var(--text); }
.post-demo-bloco.is-custo { border-left-color: var(--text-faint); }
.post-demo-bloco.is-custo p { font-size: 0.82rem; }

.post-body p {
  font-size: 1.0rem;
  line-height: 1.85;
  margin-bottom: 18px;
  color: var(--text-dim);
}

.post-body h2 {
  font-size: 1.32rem;
  margin: 44px 0 16px;
  padding-bottom: 8px;
}
.post-body h3 {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--white);
  margin: 32px 0 12px;
}
.post-body h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin: 24px 0 10px;
}

.post-body ul,
.post-body ol {
  margin: 0 0 20px 0;
  padding-left: 22px;
}
.post-body ul { list-style: none; }
.post-body ol { list-style: decimal; }

.post-body ul li,
.post-body ol li {
  position: relative;
  font-size: 1.0rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.post-body ul li { padding-left: 18px; }
.post-body ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-faint);
}
.post-body ol li { padding-left: 4px; }

.post-body a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--text-faint);
  transition: text-decoration-color 0.15s;
}
.post-body a:hover { text-decoration-color: var(--white); }

.post-body strong { color: var(--white); font-weight: 600; }
.post-body em { color: var(--text); }

/* Citação / destaque */
.post-body blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--text-faint);
  background: none;
}
.post-body blockquote p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 10px;
}
.post-body blockquote p:last-child { margin-bottom: 0; }

/* Código inline */
.post-body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  padding: 1px 5px;
  border-radius: 2px;
  color: var(--text);
  overflow-wrap: break-word;
}

/* Bloco de código */
.post-body pre {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 16px 18px;
  overflow-x: auto;
  margin: 24px 0;
  line-height: 1.65;
}
.post-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  white-space: pre;
}

/* Fórmulas em bloco (KaTeX display) */
.post-body .katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 0;
  margin: 24px 0;
}
.post-body .katex { font-size: 1.02em; }

/* Tabelas dentro do post */
.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.86rem;
}
.post-body th,
.post-body td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  color: var(--text-dim);
}
.post-body th {
  background: var(--bg-soft);
  color: var(--white);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Separador */
.post-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* ---------- Sumário (TOC) recolhível ---------- */
.post-toc {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  margin-bottom: 36px;
}
.post-toc summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 18px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.post-toc summary::-webkit-details-marker { display: none; }
.post-toc summary::after {
  content: "+";
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-faint);
}
.post-toc[open] summary::after { content: "−"; }
.post-toc summary:hover { color: var(--white); }

.post-toc-body { padding: 0 18px 16px; }
.post-toc-body ul { list-style: none; margin: 0; padding: 0; }
.post-toc-body ul ul { padding-left: 16px; margin-top: 4px; }
.post-toc-body li { margin: 0; }
.post-toc-body li::before { content: none; }
.post-toc-body a {
  display: block;
  padding: 4px 0;
  font-size: 0.84rem;
  color: var(--text-dim);
  text-decoration: none;
  line-height: 1.5;
}
.post-toc-body a:hover { color: var(--white); }

/* ---------- Navegação entre posts ---------- */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}
.post-nav-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--border);
  padding: 16px;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.post-nav-item:hover { border-color: var(--text-faint); background: var(--bg-soft); }
.post-nav-label {
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-faint);
}
.post-nav-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
}

.post-back-bottom { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .post-body { max-width: 100%; }
  .post-body h2 { font-size: 1.2rem; margin-top: 36px; }
  .post-card h2 { font-size: 1.12rem; }
  .post-body p,
  .post-body ul li,
  .post-body ol li { font-size: 0.96rem; }
}
@media (max-width: 640px) {
  .post-nav { grid-template-columns: 1fr; }
  .post-card { padding: 22px 0; }
  .post-body pre { padding: 12px 14px; }
  .post-body pre code { font-size: 0.76rem; }
}

/* ============================================================
   GLSL — ambiente de visualização (estilo twigl.app / glsl.app)
   ============================================================ */

.glsl-aviso {
  border: 1px solid var(--border);
  border-left: 2px solid var(--text-faint);
  padding: 16px 20px;
  margin-bottom: 32px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-dim);
}
.glsl-aviso strong { color: var(--white); }

.glsl-toc {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 16px 20px;
  margin-bottom: 40px;
}
.glsl-toc .kicker { margin-bottom: 10px; }
.glsl-toc ul { list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 4px; }
.glsl-toc li { margin: 0; }
.glsl-toc li::before { content: none; }
.glsl-toc a {
  display: block; padding: 5px 0; font-size: 0.86rem;
  color: var(--text-dim); text-decoration: none;
}
.glsl-toc a:hover { color: var(--white); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Bloco de um shader ---------- */
.glsl-item {
  border-top: 1px solid var(--border);
  padding: 44px 0 36px;
  margin: 0;
}
.glsl-item:first-of-type { border-top: none; }

.glsl-item-head h2 {
  font-size: 1.24rem; font-weight: 700; color: var(--white);
  border-bottom: none; padding-bottom: 0; margin: 0 0 6px;
}
.glsl-item-sub {
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text-faint); margin-bottom: 10px;
}
.glsl-item-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.glsl-item-nota {
  font-size: 0.94rem; line-height: 1.8; color: var(--text-dim);
  margin: 16px 0 20px;
}

/* ---------- Editor ---------- */
.glsl-editor {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  margin-bottom: 16px;
}

.glsl-stage {
  position: relative;
  background: #000;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.glsl-stage canvas { display: block; width: 100%; height: 100%; }

.glsl-overlay {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0));
  pointer-events: none;
}
.glsl-overlay > * { pointer-events: auto; }

.glsl-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.3px;
}
.glsl-status.is-error { color: #ff8080; }

.glsl-actions { display: flex; gap: 6px; }
.glsl-actions button {
  font-family: var(--font);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 5px 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.glsl-actions button:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.5);
}

.glsl-error {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.6;
  color: #ff8080;
  background: rgba(255, 60, 60, 0.08);
  border-top: 1px solid rgba(255, 60, 60, 0.25);
  padding: 10px 14px;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.glsl-code {
  display: block;
  width: 100%;
  min-height: 260px;
  max-height: 520px;
  resize: vertical;
  background: var(--bg);
  color: var(--text-dim);
  border: none;
  border-top: 1px solid var(--border);
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  tab-size: 4;
  -moz-tab-size: 4;
  white-space: pre;
  overflow: auto;
  outline: none;
}
.glsl-code:focus { color: var(--text); background: #050505; }

.glsl-item-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.glsl-item-foot button.glsl-copy {
  font-family: var(--font);
  cursor: pointer;
  background: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .glsl-item { padding: 32px 0 28px; }
  .glsl-item-head h2 { font-size: 1.1rem; }
  .glsl-code { min-height: 200px; font-size: 0.72rem; padding: 12px; }
  .glsl-overlay { flex-direction: column; align-items: flex-start; gap: 6px; }
  .glsl-toc ul { grid-template-columns: 1fr; }
}

/* ---------- GLSL: blocos didáticos e honestidade ---------- */
.glsl-didatica {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin: 0 0 18px;
}
.glsl-dida-bloco {
  background: var(--bg);
  padding: 14px 16px;
}
.glsl-dida-rot {
  display: block;
  font-size: 0.64rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.glsl-dida-bloco p {
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--text-dim);
  margin: 0;
}
.glsl-dida-honesta { border-left: 2px solid #ff8080; }
.glsl-dida-honesta .glsl-dida-rot { color: #ff8080; }
.glsl-dida-honesta p { color: var(--text); }
.glsl-dida-custo { border-left: 2px solid var(--text-faint); }
.glsl-dida-custo p { font-size: 0.82rem; }

/* ---------- GLSL: placeholder antes do primeiro play ----------
   Nenhum canvas existe no DOM até o leitor clicar. O placeholder
   ocupa a mesma caixa do stage para não haver salto de layout. */

.glsl-stage--idle {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(
      45deg,
      #050505, #050505 10px,
      #0a0a0a 10px, #0a0a0a 20px
    );
  border-bottom: 1px solid var(--border);
}

.glsl-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
}

.glsl-placeholder-nome {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  color: var(--text-faint);
}

.glsl-play {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 1.1px;
  padding: 11px 22px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.glsl-play:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}
.glsl-play:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}
.glsl-play-ico { font-size: 0.7rem; }

.glsl-placeholder-nota {
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--text-faint);
  max-width: 34ch;
}
.glsl-placeholder-nota code {
  font-family: var(--font-mono);
  font-size: 0.94em;
  color: var(--text-dim);
}

/* Botão global "rodar todos", no cabeçalho da página */
.glsl-runall {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 14px 18px;
  margin: 0 0 32px;
}
.glsl-runall p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-dim);
}
/* Sliders de parâmetro */
.glsl-sliders {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
.glsl-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 240px;
  min-width: 0;
}
.glsl-slider-name {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-faint);
  white-space: nowrap;
}
.glsl-slider {
  flex: 1;
  min-width: 60px;
  accent-color: var(--white);
  cursor: pointer;
}
.glsl-slider-val {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--white);
  min-width: 34px;
  text-align: right;
}
@media (max-width: 640px) {
  .glsl-sliders { gap: 10px; padding: 10px 12px; }
  .glsl-slider-row { flex: 1 1 100%; }
}

/* ---------- GLSL: tabela de status (voz do autor) ---------- */
.glsl-status-table {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 20px 22px;
  margin: 0 0 36px;
}
.glsl-status-table .kicker { margin-bottom: 10px; }
.glsl-status-table p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin: 0 0 14px;
}
.glsl-status-table p:last-child { margin-bottom: 0; }
.glsl-status-table code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-soft);
  padding: 1px 5px;
}

.st {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  padding: 2px 7px;
  border: 1px solid;
  white-space: nowrap;
}
.st-exact  { color: #6ee7a8; border-color: rgba(110,231,168,0.45); }
.st-ns     { color: #fbbf6e; border-color: rgba(251,191,110,0.45); }
.st-approx { color: #93a5bd; border-color: rgba(147,165,189,0.45); }
.st-open   { color: #c084fc; border-color: rgba(192,132,252,0.45); }

.glsl-legenda {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-faint);
  margin: 12px 0 16px !important;
}

/* badge de status no cabeçalho do shader */
.glsl-status-badge { font-family: var(--font-mono); letter-spacing: 0.5px; }
.glsl-status-badge.st-empirical-ns { color: #fbbf6e; border-color: rgba(251,191,110,0.45); }
.glsl-status-badge.st-exact        { color: #6ee7a8; border-color: rgba(110,231,168,0.45); }
.glsl-status-badge.st-approx       { color: #93a5bd; border-color: rgba(147,165,189,0.45); }

@media (max-width: 640px) {
  .glsl-status-table { padding: 16px; }
  .data-table th, .data-table td { padding: 7px 9px; font-size: 0.78rem; }
}