/* pipeline/13-ssg/static/css/style.css */

/* Design Principle:
   "Visual silence is a feature, not an absence."
*/

/* =========================================================
   BRASILEIRINHO — MUSEUM POLISH V1.7.1 (PERMANENCE LAYER)
   Integrated: Sprints 1-7 (Nav, Digest, Contemplation, Transmission, Print)
   ========================================================= */

/* ---------- RESET ---------- */
* { box-sizing: border-box; }
header, .threshold-header { text-align: center; }

/* ---------- AXIOMS ---------- */
:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --bg-paper: #fdfbf7;
  --green-axiom: #00ff00; /* CANONICAL GREEN (ACCESSIBILITY) */
  --paper-shadow: 0 14px 44px rgba(0,0,0,0.16);
  --meta-color: #666666;
  --border-color: #e0e0e0;

  /* [20260221] Step 4: CSS custom properties para marginalia Tufte-style. */
  --marginalia-width: 35%;
  --marginalia-offset: -45%;
  --marginalia-padding: 0 0 0 0.8rem;

  /* [SPRINT E] Sinalização didática: dois canais visuais distintos */
  --term-audio:    #c0392b;  /* vermelhão  — tem voz gravada do Prof Lal */
  --term-glossary: #c47c00;  /* âmbar     — só glossário, sem áudio     */
  --term-accent: var(--term-glossary); /* compat. legado */
  --link-color: #2b5fac; /* Azul Puredhamma */
}

/* ---------- BODY ---------- */
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.85;
  background: #e9e9e9;
  color: var(--fg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ---------- THEMES ---------- */
body[data-theme="dark"] {
  --green-axiom: #66ff66;
  --bg-paper: #121418;
  --fg: #e6e6e6;
  --meta-color: #888888;
  --link-color: #6ea0e6;
  --border-color: #333333;
  --term-audio:    #ff6b4a;  /* laranja-fogo — alto contraste dark */
  --term-glossary: #ffd54f;  /* ouro suave   — alto contraste dark */
  background: #0c0e12;
}
body[data-theme="colirio"] {
  --bg-paper: #f4fff7;
  --fg: #123d2a;
  --meta-color: #5d8aa8;
  --border-color: #b2dfdb;
  --term-audio:    #b71c1c;  /* vermelho profundo sobre verde-água */
  --term-glossary: #b8860b;  /* ouro escuro  sobre verde-água    */
  background: #e0f2f1;
}
body[data-theme="sunset"] {
  --bg-paper: #fff4ee;
  --fg: #4a1c0f;
  --meta-color: #9c8c74;
  --border-color: #554433;
  --term-audio:    #ff6b4a;  /* laranja-fogo sobre fundo escuro */
  --term-glossary: #ffd54f;  /* ouro suave   sobre fundo escuro */
  background: #2c241b;
}
body[data-theme="sunrise"] {
  --bg-paper: #fdfcf7;
  --fg: #2b2b2b;
  --green-axiom: #00aa00;
  --meta-color: #555555;
  --border-color: #cccccc;
  --term-audio:    #c0392b;  /* vermelhão clássico sobre pergaminho */
  --term-glossary: #c47c00;  /* âmbar médio  sobre pergaminho      */
  background: #fcfcfc;
}

/* ---------- FLOATING UTILITIES (THEME & PRINT) ---------- */
.floating-utilities {
  position: fixed;
  top: 1.2rem;
  right: 1.2rem;
  z-index: 9999;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.utility-pill {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(16px);
  border-radius: 999px;
  padding: 0.35rem 0.6rem;
  box-shadow: 0 5px 15px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  border: 1px solid rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
body[data-theme="dark"] .utility-pill, body[data-theme="sunset"] .utility-pill {
  background: rgba(20,20,20,0.65);
  border-color: rgba(255,255,255,0.1);
}
.utility-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}
.theme-controls { display: flex; gap: 0.3rem; }
.print-trigger { cursor: pointer; font-size: 1.15rem; background: none; opacity: 0.85; padding: 0.2rem 0.4rem; }

/* YouTube Print Marker (Hidden on Screen) */
.print-video-marker { display: none; }
.theme-btn {
  border: none;
  background: #dcdcdc;
  color: #333;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.32rem 0.5rem;
  border-radius: 50%;
  transition: transform 0.15s ease, background 0.2s ease;
}
.theme-btn:hover { background: var(--green-axiom); color: black; transform: scale(1.05); }

/* ---------- SHOWCASE MANUAL (UNIFIED) ---------- */
.manual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin: -4.1rem -3.7rem 4rem -3.7rem; /* Cover main padding */
    border-bottom: 2px solid var(--gold, #b8975a);
    background: var(--parchment, #faf7f0);
    color: #1a1a1a;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    overflow: hidden;
}

.manual-column {
    padding: 2.5rem 2rem;
}

.manual-column:first-child {
    border-right: 1px solid rgba(184,151,90,0.25);
}

.lang-tag {
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--gold, #b8975a);
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.manual-column h2 {
    font-size: 1.1rem;
    color: #1a1a1a;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(184,151,90,0.2);
}

.manual-feature-item {
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

.manual-feature-title {
    font-weight: bold;
    display: block;
    font-size: 0.9rem;
}

.manual-feature-desc {
    font-size: 0.9rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .manual-grid { grid-template-columns: 1fr; margin: -4rem -3.6rem 2rem -3.6rem; }
    .manual-column:first-child { border-right: none; border-bottom: 1px solid rgba(184,151,90,0.25); }
}

body[data-theme="dark"] .manual-grid {
    background: #1a1d23;
    color: #e6e6e6;
    border-color: #333;
}
body[data-theme="dark"] .manual-column h2 { color: #e6e6e6; border-color: #333; }

/* ---------- MAIN (KINDLE PAPER) ---------- */
main {
  max-width: 840px;
  margin: 5.2rem auto 6.5rem;
  padding: 4rem 3.6rem;
  background: var(--bg-paper);
  border-radius: 16px;
  box-shadow: var(--paper-shadow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

/* ---------- THRESHOLD ---------- */
.threshold-header {
  padding-bottom: 4rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid rgba(0,0,0,0.045);
}
.visual-anchor { opacity: 0.8; margin-bottom: 2.2rem; color: var(--green-axiom); }

/* ---------- HEADERS ---------- */
h1, h2, h3, h4, h5 { font-family: Georgia, serif; color: var(--green-axiom); font-weight: normal; }

/* SPRINT M */
header h1 { margin-bottom: 1.8rem; }
.toc-en, .toc-pt { margin-top: 0.5rem; }
h1 { text-shadow: 0 1px 3px rgba(0, 100, 0, 0.15); }
body[data-theme="dark"] h1 { text-shadow: 0 1px 6px rgba(100, 255, 100, 0.2); }

/* ── SPRINT G: h5 = Section Box Colasável ─────────────────────────────────── */
/* ── SPRINT K: color hardcoded to readable dark green (was var(--green-axiom) = #00ff00, illegible on light bg) */
h5 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: Georgia, serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: #1a6b1a;
  background: rgba(0, 128, 0, 0.08);
  border-left: 3px solid #2d8a2d;
  border-radius: 0 8px 8px 0;
  padding: 0.65rem 1rem;
  margin: 2.2rem 0 0.4rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
  hyphens: manual;
  text-align: left; /* SPRINT M */
}
h5:hover { background: rgba(0, 128, 0, 0.14); }

/* SPRINT N: h5 por tema — contraste WCAG AA */
body[data-theme="dark"] h5 {
  color: #66ff66;
  background: rgba(100, 255, 100, 0.07);
  border-left-color: #66ff66;
}
body[data-theme="dark"] h5:hover { background: rgba(100,255,100,0.13); }

body[data-theme="colirio"] h5 {
  color: #0d6b3e;
  background: rgba(0, 128, 80, 0.08);
  border-left-color: #1a9e5c;
}
body[data-theme="colirio"] h5:hover { background: rgba(0,128,80,0.14); }

body[data-theme="sunset"] h5 {
  color: #d4a024;
  background: rgba(212, 160, 36, 0.1);
  border-left-color: #d4a024;
}
body[data-theme="sunset"] h5:hover { background: rgba(212,160,36,0.16); }

body[data-theme="sunrise"] h5 {
  color: #1b7a1b;
  background: rgba(0, 140, 0, 0.07);
  border-left-color: #1b7a1b;
}
body[data-theme="sunrise"] h5:hover { background: rgba(0,140,0,0.12); }

/* SPRINT K: collapse double-margin between h5 box and first paragraph */
h5 + .section-content > *:first-child {
  margin-top: 0.35rem; /* SPRINT M */
}
h5::after {
  content: "▼";
  font-size: 0.75rem;
  opacity: 0.6;
  transition: transform 0.25s ease;
  margin-left: 0.8rem;
  flex-shrink: 0;
}
h5.collapsed::after { transform: rotate(-90deg); }

.section-content {
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.25s ease;
  max-height: 9999px;
  opacity: 1;
}
.section-content.collapsed {
  max-height: 0;
  opacity: 0;
}

/* ---------- LINKS ---------- */
a { color: var(--link-color); text-decoration: none; transition: color 0.3s ease, text-decoration 0.3s ease; }
a:hover { color: var(--green-axiom); text-decoration: underline; }

/* ---------- DIDACTIC EMPHASIS (PURE DHAMMA) ---------- */
/* .term-highlight e .term-highlight.has-audio definidos no SPRINT E abaixo ↓ */

/* ---------- LANGUAGE SYSTEM (CANONICAL UI) ---------- */
.lang-switch-container {
    margin-top: 2.5rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.lang-radio {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.lang-label {
    cursor: pointer;
    padding: 0.6rem 1.2rem;
    border-radius: 99px;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    transition: all 0.2s ease;
    opacity: 0.6;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-paper);
    color: var(--fg);
}

.lang-label:hover {
    border-color: var(--green-axiom);
    opacity: 1;
}

#lang-en:checked ~ header .lang-switch-container label[for="lang-en"],
#lang-pt:checked ~ header .lang-switch-container label[for="lang-pt"] {
    background: rgba(0, 204, 0, 0.1);
    border-color: var(--green-axiom);
    color: var(--green-axiom);
    opacity: 1;
    font-weight: bold;
}

/* Visibility Logic */
.content-en, .content-pt, .title-en, .title-pt,
.current-crumb-en, .current-crumb-pt, .toc-en, .toc-pt,
.meta-toggle-label-en, .meta-toggle-label-pt { display: none; }

#lang-en:checked ~ header .title-en,
#lang-en:checked ~ .post-container .content-en,
#lang-en:checked ~ .post-container .breadcrumbs .current-crumb-en,
#lang-en:checked ~ .post-container .toc-en,
#lang-en:checked ~ .post-container .meta-toggle-label-en,
#lang-en:checked ~ .post-container .content-en .meta-toggle-label-en { display: inline; }
#lang-en:checked ~ .post-container .content-en { display: block; }
#lang-en:checked ~ .post-container .toc-en { display: block; }
#lang-en:checked ~ .post-container .breadcrumbs .current-crumb-en { display: inline-block; }

#lang-pt:checked ~ header .title-pt,
#lang-pt:checked ~ .post-container .content-pt,
#lang-pt:checked ~ .post-container .breadcrumbs .current-crumb-pt,
#lang-pt:checked ~ .post-container .toc-pt,
#lang-pt:checked ~ .post-container .meta-toggle-label-pt,
#lang-pt:checked ~ .post-container .content-en .meta-toggle-label-pt { display: inline; }
#lang-pt:checked ~ .post-container .content-pt { display: block; }
#lang-pt:checked ~ .post-container .toc-pt { display: block; }
#lang-pt:checked ~ .post-container .breadcrumbs .current-crumb-pt { display: inline-block; }

/* ---------- ACCORDION (CANONICAL) ---------- */
.library-section h2 {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  user-select: none;
  transition: color 0.2s ease;
}

.library-section h2:hover { color: var(--green-axiom); opacity: 0.8; }

.library-section h2::before {
  content: '▶';
  font-size: 0.7rem;
  transition: transform 0.25s ease;
  color: var(--green-axiom);
}

.library-section h2.active::before { transform: rotate(90deg); }

.post-list {
  margin-left: 1.6rem;
  list-style: none;
  padding-left: 0;
  display: none; /* HIDDEN BY DEFAULT */
}

.library-section h2.active + .post-list {
  display: block; /* SHOWN WHEN ACTIVE */
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- NAVIGATION (SPRINT 1) ---------- */
.breadcrumbs { font-size: 0.85rem; color: var(--meta-color); margin-bottom: 2rem; }
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; align-items: center; }
.breadcrumbs li { display: inline-flex; align-items: center; }
.breadcrumbs li:not(:last-child)::after { content: "›"; margin: 0 0.5rem; color: var(--border-color); }
.breadcrumbs a { color: var(--meta-color); }
.breadcrumbs a:hover { color: var(--green-axiom); }

.position-indicator {
    font-size: 0.85rem;
    color: var(--meta-color);
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
    display: inline-block;
}

.pathways { display: flex; justify-content: space-between; gap: 1rem; margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border-color); }
.pathway-link { flex: 1; display: flex; flex-direction: column; padding: 1.2rem; border: 1px solid var(--border-color); border-radius: 8px; text-decoration: none; background: var(--bg-paper); transition: all 0.2s ease; max-width: 48%; }
.pathway-link:hover { border-color: var(--green-axiom); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.pathway-link.next { text-align: right; align-items: flex-end; }
.pathway-link.prev { text-align: left; align-items: flex-start; }
.pathway-label { font-size: 0.75rem; text-transform: uppercase; color: var(--meta-color); margin-bottom: 0.5rem; }
.pathway-title { font-size: 1rem; font-weight: 600; color: var(--green-axiom); }
.pathway-placeholder { flex: 1; }

/* ---------- DIGESTIBILITY (SPRINT 3) ---------- */
.digestibility-suggestion { margin-top: 3rem; padding: 1.5rem; background-color: rgba(0,0,0,0.03); border-left: 4px solid var(--meta-color); border-radius: 4px; font-size: 0.95rem; color: var(--meta-color); }

/* ---------- FUTURE HOOKS (SPRINT 4) ---------- */
#reading-progress-hook, #ai-assistant-hook { display: none; width: 100%; }

/* ---------- CONTEMPLATIVE INTELLIGENCE (SPRINT 5) ---------- */
/* Breathing Space */
article h2 { margin-top: 4.5rem; margin-bottom: 1.5rem; }
article h3 { margin-top: 3.5rem; margin-bottom: 1rem; }
article ul, article ol { margin-bottom: 2rem; }
article li { margin-bottom: 0.6rem; }
article img { margin-top: 2rem; margin-bottom: 2rem; }

/* Silent Pause */
.silent-pause-block { margin: 4rem auto; text-align: center; opacity: 0.6; user-select: none; }
.pause-separator { display: block; font-size: 1.2rem; color: var(--meta-color); margin-bottom: 0.5rem; letter-spacing: 0.5em; }
.pause-text { font-size: 0.9rem; font-style: italic; color: var(--meta-color); max-width: 400px; margin: 0 auto; }

/* ---------- TRANSMISSION LAYER (SPRINT 6) ---------- */
/* SPRINT J: Context Pill */
.context-pill {
  font-family: Georgia, serif;
  font-size: 0.75rem;
  color: var(--meta-color);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: center;
}
.context-sep { opacity: 0.35; }
.context-pdpn {
  font-family: monospace;
  font-size: 0.7rem;
  opacity: 0.6;
}
.context-link { color: var(--meta-color); border-bottom: 1px dotted var(--meta-color); }
.context-link:hover { color: var(--green-axiom); border-bottom: 1px solid var(--green-axiom); }

/* Transmission Map */
.nav-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 3rem 0 2rem;
  opacity: 0.4;
}
.transmission-map {
    font-size: 0.85rem;
    color: var(--meta-color);
    margin-bottom: 2.5rem;
    border-left: 2px solid var(--border-color);
    padding-left: 1rem;
    line-height: 1.5;
}
.map-item { margin-bottom: 0.3rem; }
.map-label { font-style: italic; margin-right: 0.5rem; opacity: 0.7; }
.transmission-map a { color: var(--meta-color); border-bottom: none; }
.transmission-map a:hover { color: var(--green-axiom); text-decoration: underline; }

/* Abbr Tooltips */
abbr[title] { text-decoration: underline dotted; cursor: pointer; text-decoration-color: var(--meta-color); }

/* ---------- MARGINALIA (SPRINT 8 — MEMORY LAYER) ---------- */
.term-trigger {
  border-bottom: 1px dotted var(--green-axiom);
  cursor: pointer;
}

.marginalia-definition {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--meta-color);
  background: rgba(0,0,0,0.02);
  border-left: 2px solid var(--green-axiom);
  padding: 0.5rem 0.8rem;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  display: block;
}

@media (min-width: 1200px) {
  .marginalia-definition {
    float: right;
    clear: right;
    width: var(--marginalia-width);
    margin-right: var(--marginalia-offset);
    margin-top: 0;
    background: transparent;
    padding: var(--marginalia-padding);
  }

  main {
    overflow: visible;
  }
}

@media print {
  .term-trigger {
    border-bottom: none;
    font-weight: bold;
  }

  .marginalia-definition {
    float: none;
    width: auto;
    margin-right: 0;
    border-left: 1px solid black;
    font-size: 0.8em;
    color: black;
    page-break-inside: avoid;
  }
}

/* ---------- DIDACTIC EMPHASIS (PURE DHAMMA) ----------
   Canal 1 — Glossário sem áudio  → âmbar + dotted + cursor default
   Canal 2 — Termos COM áudio     → vermelho + dashed + cursor pointer
   -------------------------------------------------------- */
.term-highlight {
  color: var(--term-glossary);
  font-style: italic;
  font-weight: bold;
  cursor: default;  /* não é clicável */
  border-bottom: 1px dotted var(--term-glossary);
  transition: opacity 0.2s ease;
}

/* [SPRINT E] Canal de áudio — o JS adiciona .has-audio quando MP3 disponível */
.term-highlight.has-audio {
  color: var(--term-audio);
  border-bottom: 2px dashed var(--term-audio);
  cursor: pointer;
  font-style: italic;
  font-weight: bold;
}

.term-highlight.has-audio:hover {
  opacity: 0.75;
  letter-spacing: 0.01em; /* leve pulso no hover */
}

/* ---------- SEARCH UI (SPRINT 9) ---------- */
#search-form {
  margin: 1rem 0;
  text-align: center;
}

#search-input {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  width: 100%;
  max-width: 300px;
  font-family: inherit;
  background: var(--bg-paper);
  color: var(--fg);
}

#search-results {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  max-height: 300px;
  overflow-y: auto;
  text-align: left;
}

#search-results ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

#search-results li {
  margin: 0.5rem 0;
  border-bottom: 1px dotted var(--border-color);
  padding-bottom: 0.25rem;
}

#search-results li:last-child {
  border-bottom: none;
}

#search-results a {
  display: block;
  color: var(--fg);
  text-decoration: none;
}

#search-results a:hover {
  color: var(--green-axiom);
}

/* ---------- FOOTER ---------- */
footer { margin-top: 4.5rem; font-size: 0.85rem; opacity: 0.65; text-align: center; }

/* ---------- ANIMATIONS ---------- */
@keyframes pulse-leaf {
  0% { transform: scale(1); filter: drop-shadow(0 0 5px var(--green-axiom)); }
  50% { transform: scale(1.05); filter: drop-shadow(0 0 15px var(--green-axiom)); }
  100% { transform: scale(1); filter: drop-shadow(0 0 5px var(--green-axiom)); }
}

/* ---------- MOBILE RESPONSIVE ---------- */
@media (max-width: 600px) {
  main { margin: 2rem 1rem; padding: 2rem 1.5rem; }
  /* .env-toolbar removed: dead code — class doesn't exist (Sprint K audit) */
  .threshold-header { padding-bottom: 4rem; }
  .pathways { flex-direction: column; }
  .pathway-link { max-width: 100%; text-align: center !important; align-items: center !important; }
  .position-indicator { display: block; margin-left: 0; padding-left: 0; border-left: none; margin-top: 0.5rem; }
}

/* --- PRINT SETTINGS MODAL --- */
#print-modal {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-paper);
  border: 1px solid var(--border-color);
  padding: 2rem;
  box-shadow: var(--paper-shadow);
  z-index: 10000;
  border-radius: 8px;
  width: 90%;
  max-width: 450px;
}
#print-modal.active { display: block; }
#print-modal h3 { margin-top: 0; }
#print-modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9999;
}
#print-modal-overlay.active { display: block; }
.print-group { margin-bottom: 1.2rem; }
.print-group label { display: block; font-weight: bold; margin-bottom: 0.5rem; font-size: 0.9rem; }
.print-group select { width: 100%; padding: 0.5rem; border: 1px solid var(--border-color); background: var(--bg); color: var(--fg); font-family: inherit; }
.print-actions { display: flex; justify-content: flex-end; gap: 1rem; margin-top: 2rem; }
.print-btn { padding: 0.5rem 1rem; cursor: pointer; border: 1px solid var(--border-color); border-radius: 4px; background: transparent; color: var(--fg); }
.print-btn.primary { background: var(--fg); color: var(--bg); border: none; font-weight: bold; }

/* ---------- PRINT & PRESERVATION (SPRINT 7) ---------- */
@page {
  /* Minimal physical page margin to allow our custom CSS padding to control the space */
  margin: 1cm;
}

/* Forçar A4 em todos os PDFs e impressões */
@page {
  size: A4;
  margin: 1.5cm 1.8cm;
}

@media print {
  /* Hide Navigation & UI */
  .floating-utilities, .lang-switch-container, .breadcrumbs, 
  .mini-toc, .pathways, .post-nav, footer, 
  #reading-progress-hook, #ai-assistant-hook,
  .digestibility-suggestion, .silent-pause-block,
  #search-form, #search-results, #print-modal, #print-modal-overlay, #labz-banner,
  iframe, .youtube-wrapper, .video-container {
    display: none !important;
  }

  /* YouTube Print Marker */
  .print-video-marker {
    display: block !important;
    text-align: center;
    border: 1px dashed #666;
    padding: 1rem;
    margin: 1.5rem 0;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.9rem;
    color: #333;
    page-break-inside: avoid;
  }

  /* Force PT-BR ONLY on printing to save paper */
  .title-en, .content-en, .toc-en { display: none !important; }
  .title-pt, .content-pt { display: block !important; }

  /* Reset Colors for Ink Saving and apply dynamic Padding */
  body, main {
    background: white !important;
    color: var(--print-text-color, black) !important;
    box-shadow: none !important;
    margin: 0 !important;
    padding: var(--print-pad, 0) !important;
    width: 100% !important;
    max-width: 100% !important;
    -webkit-print-color-adjust: var(--print-color-adjust, economy) !important;
    print-color-adjust: var(--print-color-adjust, economy) !important;
  }

  /* Typography for Print with Dynamic Line Height */
  body, article.content-block {
    font-size: 11pt !important;
    line-height: var(--print-line-height, 1.3) !important;
    font-family: inherit;
  }

  /* SPRINT M */
  h1, h2, h3, h4 {
    color: #1a1a1a !important;
    text-shadow: none !important;
    page-break-after: avoid;
    text-align: left !important;
  }
  
  h5 {
    background: none !important;
    border-left: 2px solid #333 !important;
    color: #1a1a1a !important;
    font-weight: 600;
    page-break-after: avoid;
    text-align: left !important;
  }

  p { orphans: 3; widows: 3; }
  li { page-break-inside: avoid; }
  blockquote, .pali-quote { page-break-inside: avoid; }
  
  header, .threshold-header {
    text-align: left !important; /* Override center alignment */
  }

  a {
    color: var(--print-link-color, black) !important;
    text-decoration: underline;
    border: none !important;
  }

  /* Reveal URLs */
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    font-family: monospace;
  }

  html.print-colors * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Layout */
  article {
    margin-bottom: 2cm;
  }
}

/* =========================================================
   STEP 1 — DARK THEME LEGIBILITY + BOOK-GRADE TYPOGRAPHY
   [FF-009] 2026-03-09 · Aloka + Vayo · Sprint V5.5
   Objetivo: leitura confortável para revisores (Kindle/paper style)
   ========================================================= */

/* 1. Dark canvas — body já definido em THEMES acima.
      Reforçar shadow do paper frame no dark mode. */
body[data-theme="dark"] main {
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04),
    0 12px 28px rgba(0, 0, 0, 0.55);
  /* max-width removed to match canonical 840px */
}


/* SPRINT G+K: print — expandir tudo, remover interatividade, flatten para B&W */
@media print {
  h5 {
    cursor: default;
    background: none !important;
    border-left: 2px solid #333 !important;
    color: black !important;
    font-weight: 600;
  }
  h5::after { display: none; }
  .section-content.collapsed { max-height: none !important; opacity: 1 !important; }
}

/* 2. Tipografia de leitura longa (global — melhora todos os temas) */
main {
  font-size: 1.05rem;
  line-height: 1.72;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
  font-kerning: normal;
  hyphens: auto;
}

/* 3. Espaçamento de parágrafos */
main p {
  margin: 1.15em 0;
}

/* 4. Títulos — respiro adequado */
main h1,
main h2,
main h3 {
  line-height: 1.3;
  margin-top: 2em;
  margin-bottom: 0.8em;
}

/* 5. Mobile: paper frame colado nas bordas */
@media (max-width: 760px) {
  body[data-theme="dark"] main {
    margin: 0;
    border-radius: 0;
    padding: 1.6rem 1.4rem;
    max-width: 100%;
  }
}
/* ── END FF-009 ── */

/* =========================================================
   FF-013 — SOUND AND VISION PASS
   Bowie + Jobs: liquid scroll, text selection, page breath,
   stardust theme, Labz button.
   ========================================================= */

/* 1. Liquid scroll */
html { scroll-behavior: smooth; }

/* 2. Text selection — temática */
::selection {
  background: var(--green-axiom);
  color: black;
}

/* 3. Page breath — main entra suavemente */
@keyframes fadeInSlide {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
main { animation: fadeInSlide 0.6s cubic-bezier(0.16, 1, 0.3, 1) both; }

/* Respeitar prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  main { animation: none; }
}

/* 4. Labz button hover */
#labz-btn:hover {
  color: var(--green-axiom) !important;
  border-color: var(--green-axiom) !important;
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.15);
}
#labz-btn.labz-active {
  background: rgba(0, 255, 0, 0.08) !important;
  color: var(--green-axiom) !important;
  border-color: var(--green-axiom) !important;
}

/* 5. STARDUST THEME — terminal overworld
   Ativa via data-theme="stardust" (toggle do botão Labz)
   Herda o sistema de temas existente — sem !important em cascata */
body[data-theme="stardust"] {
  --bg:          #0a0a0c;
  --bg-paper:    #0d0f12;
  --fg:          #00e676;
  --green-axiom: #00ff41;
  --meta-color:  #4a9e6a;
  --border-color: rgba(0, 255, 65, 0.18);
  background: #0a0a0c;
  font-family: ui-monospace, 'JetBrains Mono', 'Fira Code', Menlo, monospace;
}

body[data-theme="stardust"] main {
  box-shadow:
    0 0 0 1px rgba(0, 255, 65, 0.12),
    0 0 40px rgba(0, 255, 65, 0.04);
}

body[data-theme="stardust"] h1,
body[data-theme="stardust"] h2,
body[data-theme="stardust"] h3 {
  color: #00ff41;
  letter-spacing: 0.04em;
}

body[data-theme="stardust"] a {
  color: #00e676;
  text-decoration-color: rgba(0, 230, 118, 0.35);
}
body[data-theme="stardust"] a:hover {
  color: #00ff41;
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
}

/* Grid no stardust — visor de controle */
body[data-theme="stardust"] .dual-index {
  border: 1px solid rgba(0, 255, 65, 0.25);
  background: rgba(0, 255, 65, 0.02);
  box-shadow: 0 0 30px rgba(0, 255, 65, 0.06);
}
body[data-theme="stardust"] .index-cell {
  border-bottom-color: rgba(0, 255, 65, 0.1);
}
body[data-theme="stardust"] .index-row:hover .index-cell {
  background: rgba(0, 255, 65, 0.06);
}
body[data-theme="stardust"] .index-cell.pdpn {
  color: #00ff41;
  opacity: 0.8;
}
body[data-theme="stardust"] .pt-complete   { color: #00e676; }
body[data-theme="stardust"] .pt-title-only { color: #ffd54f; }
body[data-theme="stardust"] .pt-missing    { color: #455a64; }

/* Selection no stardust */
body[data-theme="stardust"] ::selection {
  background: #00ff41;
  color: #000;
}

/* Labz banner no stardust */
body[data-theme="stardust"] #labz-banner {
  background: rgba(0, 255, 65, 0.07);
  border-color: rgba(0, 255, 65, 0.3);
  color: #00e676;
}

/* 6. Labz banner (aparece quando Labz está ativo) */
#labz-banner {
  /* FF-013 polish: slide-in instead of display toggle — avoids CLS */
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
  margin: 0 0 1.5rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--meta-color);
  background: rgba(0, 255, 0, 0.03);
  letter-spacing: 0.04em;
}
#labz-banner.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* ── END FF-013 ── */

/* =========================================================
   FF-014 — READING ENGINE
   Progress bar · Scroll memory · Section highlight
   ========================================================= */

/* 1. Reading Progress Bar — fixed top, 3px green line */
#reading-progress {
  position:   fixed;
  top:        0;
  left:       0;
  height:     3px;
  width:      0%;
  background: var(--green-axiom);
  z-index:    9999;
  transition: width .1s linear;
  pointer-events: none;
}

/* Stardust variant */
body[data-theme="stardust"] #reading-progress {
  box-shadow: 0 0 8px rgba(0, 255, 65, 0.6);
}

/* 2. Active Section Highlight
   NOTE: template uses .library-section, not .section-container —
   adapting Aloka's spec to real DOM. */
.library-section.active {
  outline:        2px solid var(--green-axiom);
  outline-offset: 4px;
  border-radius:  4px;
}

/* ── END FF-014 ── */

/* =========================================================
   FF-016 — CSL METADATA TATTOO
   Metadados canônicos do CSL: invisíveis por padrão,
   visíveis no Stardust Mode como terminal de proveniência.
   ========================================================= */

/* Oculto em tabelas puras antes do toggle wrap (fallback) */
.csl-tattoo.meta-toggle-wrap {
  display: block;
  margin-top: -1rem;
  margin-bottom: 2rem;
  border-bottom: 1px dotted var(--border-color);
  padding-bottom: 0.5rem;
}

/* Visível apenas no Stardust (Labz mode) para tabelas velhas */
body[data-theme="stardust"] .csl-tattoo:not(.meta-toggle-wrap) {
  display:     block;
  font-family: ui-monospace, 'JetBrains Mono', 'Fira Code', Menlo, monospace;
  font-size:   0.68rem;
  color:       var(--green-axiom);
  opacity:     0.55;
  padding:     0.7rem 1rem;
  margin:      0 0 2rem;
  border:      1px dashed rgba(0, 255, 65, 0.25);
  border-radius: 4px;
  background:  rgba(0, 255, 65, 0.03);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  animation:   pulse-tattoo 3s ease-in-out infinite;
}

body[data-theme="stardust"] .csl-tattoo table {
  border-collapse: collapse;
  width: auto;
}

body[data-theme="stardust"] .csl-tattoo td {
  padding: 1px 0;
  border: none;
}

@keyframes pulse-tattoo {
  0%, 100% { opacity: 0.35; }
  50%       { opacity: 0.65; }
}

/* ── END FF-016 ── */
 
 /* =========================================================
    FF-018 — RESPONSIVE VIDEO LAYER (YOUTUBE FIX)
    [FF-018] 2026-04-14 · AXIS-NIDDHI V3.1 Showcase
    ========================================================= */
 
 .video-container {
   position: relative;
   width: 100%;
   padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
   height: 0;
   margin: 3rem 0;
   border-radius: 12px;
   overflow: hidden;
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
   background: #000;
   border: 1px solid rgba(0, 255, 0, 0.1);
 }
 
 .video-container iframe {
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   border: 0;
 }
 
 /* Stardust variant for video */
 body[data-theme="stardust"] .video-container {
   box-shadow: 0 0 20px rgba(0, 255, 65, 0.15);
   border-color: rgba(0, 255, 65, 0.3);
 }

/* =========================================================
   SPRINT D — SECTION GRID
   Grade superior para overview do corpus na home
   ========================================================= */

.section-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    margin-bottom: 3.5rem;
}

@media (max-width: 900px) {
    .section-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 600px) {
    .section-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

.section-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1.2rem 0.8rem;
    background: var(--bg-paper);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--fg);
    text-decoration: none !important;
    transition: all 0.2s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

.section-card:hover {
    border-color: var(--green-axiom);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,255,0,0.08);
}

.section-card-icon {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    opacity: 0.95;
    transition: transform 0.2s ease;
}

.section-card:hover .section-card-icon {
    transform: scale(1.1);
}

.section-card-code {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--meta-color);
    letter-spacing: 0.05em;
    margin-bottom: 0.4rem;
}

.section-card-title {
    font-size: 0.9rem;
    font-family: Georgia, serif;
    font-weight: 500;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--fg);
}
.meta-table-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}
.meta-toggle-wrap.open .meta-table-wrap {
  max-height: 400px;
  opacity: 1;
}
.meta-toggle-btn {
  background: none;
  border: none;
  font-size: 0.8rem;
  color: var(--meta-color);
  cursor: pointer;
  padding: 0.2rem 0;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.meta-toggle-btn:hover { opacity: 1; }

/* [SPRINT L] BUG 3 — TOC reveal button padronizado como pill */
.toc-reveal-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 99px;
  padding: 0.3rem 0.9rem;
  font-size: 0.82rem;
  font-family: Georgia, serif;
  color: var(--meta-color);
  cursor: pointer;
  margin: 0.8rem 0;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.toc-reveal-btn:hover {
  border-color: var(--green-axiom);
  color: var(--green-axiom);
}