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

:root {
  /* Base — navy cinza esverdeado, distinto da paleta warm do exemplo */
  --navy:    #0b1020;
  --navy2:   #11172a;
  --navy3:   #1a2238;

  --ink:     #e8ecf1;
  --ink2:    #cfd6e1;
  --muted:   #8a93a6;
  --border:  #2a3350;

  /* Accent — emerald (padrão Strategy = caminho/escolha) */
  --accent:  #10b981;
  --accent2: #34d399;
  --accent3: #6ee7b7;

  /* Secondary — violet pra destaques pontuais (agentic coding, frases-chave) */
  --violet:  #8b5cf6;
  --violet2: #a78bfa;

  /* Danger/warning — usado em "anti-pattern" e armadilhas */
  --red:     #ef4444;
  --red2:    #fca5a5;
  --amber:   #f59e0b;
  --amber2:  #fbbf24;

  /* Gray scale */
  --white:   #ffffff;
  --gray100: #f1f5f9;
  --gray300: #cbd5e1;
  --gray600: #475569;
  --gray800: #1e293b;

  /* Code colors (Java-ish) */
  --code-bg:       #0a0f1d;
  --code-text:     #d6dbe6;
  --code-keyword:  #c084fc; /* public, class, return, new */
  --code-type:     #5eead4; /* FreteStrategy, String, double */
  --code-string:   #fcd34d; /* "CORREIOS" */
  --code-number:   #f9a8d4; /* 2.5, 10 */
  --code-comment:  #64748b; /* // comentário */
  --code-method:   #93c5fd; /* calcular, main */
  --code-anno:     #fb923c; /* @Override */
}

html, body {
  width: 100%; height: 100%;
  background: #04070f;
  font-family: 'DM Sans', sans-serif;
  overflow: hidden;
  user-select: none;
}

/* Presentation shell */
#pres { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; }
#viewport { position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
#scaler { transform-origin: center center; position: relative; width: 960px; height: 540px; }

/* Slides */
.slide {
  position: absolute; width: 960px; height: 540px;
  overflow: hidden; border-radius: 14px;
  opacity: 0; transform: translateX(40px);
  transition: opacity .45s ease, transform .45s ease;
  pointer-events: none;
  box-shadow: 0 40px 100px rgba(0,0,0,.6), 0 4px 16px rgba(0,0,0,.4);
}
.slide.active     { opacity: 1; transform: translateX(0); pointer-events: auto; }
.slide.exit-left  { opacity: 0; transform: translateX(-40px); }
.slide.exit-right { opacity: 0; transform: translateX(40px); }

/* Themes */
.s-dark  { background: var(--navy);  color: var(--ink); }
.s-dark2 { background: var(--navy2); color: var(--ink); }
.s-mid   { background: var(--navy3); color: var(--ink); }

.slide-inner { width: 100%; height: 100%; display: flex; flex-direction: column; padding: 48px 56px; }

/* Tags & typography */
.slide-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent2); margin-bottom: 10px;
}

h1.display {
  font-family: 'Cormorant Garamond', serif;
  font-size: 62px; font-weight: 600;
  line-height: 1.05; letter-spacing: -.02em;
  color: var(--ink);
}
h2.section {
  font-family: 'Cormorant Garamond', serif;
  font-size: 40px; font-weight: 600;
  line-height: 1.1; letter-spacing: -.01em;
  margin-bottom: 6px;
  color: var(--ink);
}

.divider { width: 48px; height: 3px; background: var(--accent); border-radius: 2px; margin: 14px 0 24px; }
p.body { font-size: 15px; line-height: 1.7; color: var(--ink2); max-width: 680px; }

/* Corner number */
.corner-num {
  position: absolute; right: 56px; bottom: 32px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 120px; font-weight: 700; line-height: 1;
  opacity: .05; color: var(--ink); pointer-events: none;
}

/* Counter & nav */
#counter {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: #ffffff50; letter-spacing: .1em; z-index: 100;
}
.nav-btn {
  position: fixed; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
  color: white; width: 40px; height: 40px; border-radius: 50%;
  cursor: pointer; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; transition: background .2s;
}
.nav-btn:hover { background: rgba(255,255,255,.15); }
#nav-prev { left: 20px; }
#nav-next { right: 20px; }

/* Grid helpers */
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.cols3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* Cards genéricos */
.card {
  background: var(--navy3); border: 1px solid var(--border);
  border-radius: 8px; padding: 18px 20px;
}
.card-title {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent2); margin-bottom: 8px;
}
.card-body { font-size: 13px; line-height: 1.55; color: var(--ink2); }

/* Question / numbered cards (reutilizado do exemplo) */
.q-card {
  background: var(--navy3); border: 1px solid var(--border);
  border-radius: 8px; padding: 18px 20px;
  display: flex; gap: 14px; align-items: flex-start;
}
.q-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px; font-weight: 700;
  color: var(--accent2); line-height: 1; flex-shrink: 0; margin-top: -4px;
}
.q-text { font-size: 13.5px; line-height: 1.55; color: var(--ink2); }
.q-label {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted); margin-bottom: 4px;
}

/* Pills */
.pill {
  display: inline-flex; align-items: center;
  border-radius: 4px; font-size: 10px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; padding: 3px 8px;
}
.pill-accent { background: rgba(16,185,129,.15); border: 1px solid rgba(16,185,129,.35); color: var(--accent2); }
.pill-violet { background: rgba(139,92,246,.15); border: 1px solid rgba(139,92,246,.35); color: var(--violet2); }
.pill-amber  { background: rgba(245,158,11,.15); border: 1px solid rgba(245,158,11,.35); color: var(--amber2); }
.pill-red    { background: rgba(239,68,68,.15); border: 1px solid rgba(239,68,68,.35); color: var(--red2); }
.pill-muted  { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: var(--ink2); }

/* Definition box (citação / quote) */
.def-box {
  background: var(--navy3); border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 6px; padding: 22px 26px; margin-bottom: 20px;
}
.def-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px; font-weight: 400; font-style: italic;
  line-height: 1.55; color: var(--ink);
}
.def-src { font-size: 11px; color: var(--muted); margin-top: 10px; }

/* Code blocks — central pra apresentação de Java */
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--code-text);
  overflow: auto;
  white-space: pre;
  tab-size: 2;
}
.code-block.bad  { border-left: 3px solid var(--red); }
.code-block.good { border-left: 3px solid var(--accent); }

.code-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 4px;
  margin-bottom: 6px;
}
.code-label.bad  { background: rgba(239,68,68,.1);  border: 1px solid rgba(239,68,68,.25);  color: var(--red2); }
.code-label.good { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.25); color: var(--accent2); }

/* Syntax tokens (aplicar nos spans dentro do <pre>) */
.tok-kw   { color: var(--code-keyword); }
.tok-ty   { color: var(--code-type); }
.tok-str  { color: var(--code-string); }
.tok-num  { color: var(--code-number); }
.tok-cmt  { color: var(--code-comment); font-style: italic; }
.tok-mt   { color: var(--code-method); }
.tok-an   { color: var(--code-anno); }
.tok-mute { color: var(--muted); }

/* Inline code */
code.inline {
  font-family: 'JetBrains Mono', monospace;
  font-size: .92em;
  background: rgba(94,234,212,.1);
  color: var(--accent3);
  padding: 1px 6px;
  border-radius: 3px;
}

/* Section header com número grande (pra blocos do roteiro) */
.section-header { display: flex; align-items: center; gap: 20px; margin-bottom: 28px; }
.section-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 80px; font-weight: 700;
  color: var(--accent2); opacity: .25; line-height: 1; flex-shrink: 0;
}
.section-info { flex: 1; }
.section-label {
  font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent2); margin-bottom: 6px;
}
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px; font-weight: 600; color: var(--ink); line-height: 1.2;
}

/* Capa */
.capa-meta {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px 32px; margin-top: 32px;
  padding-top: 24px; border-top: 1px solid var(--border);
}
.meta-row { display: flex; flex-direction: column; gap: 2px; }
.meta-key { font-size: 9px; font-weight: 600; text-transform: uppercase; letter-spacing: .12em; color: var(--accent2); }
.meta-val { font-size: 13px; color: var(--ink2); }

/* Summary list */
.summary-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.summary-item { display: flex; gap: 16px; align-items: baseline; }
.s-idx { font-family: 'Cormorant Garamond', serif; font-size: 20px; font-weight: 600; color: var(--accent2); flex-shrink: 0; width: 24px; }
.s-title { font-size: 15px; color: var(--ink2); }
.s-sub   { font-size: 12px; color: var(--muted); margin-top: 1px; }

/* Before / After compare */
.compare {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.compare .side { display: flex; flex-direction: column; gap: 8px; }

/* Bullet lists com seta */
.arrow-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.arrow-list li {
  font-size: 13px; color: var(--ink2);
  display: flex; gap: 10px; line-height: 1.5;
}
.arrow-list li::before {
  content: '→'; color: var(--accent); flex-shrink: 0;
}

/* Key quote — frase-chave grande (agentic coding, etc) */
.key-quote {
  font-family: 'Cormorant Garamond', serif;
  font-size: 30px; font-style: italic; font-weight: 500;
  line-height: 1.3; color: var(--ink);
  padding: 18px 0;
  max-width: 760px;
}
.key-quote .hl { color: var(--accent2); font-style: normal; font-weight: 600; }

/* UML boxes (Strategy estrutura + Strategy vs State) */
.uml-stack { display: flex; flex-direction: column; align-items: center; gap: 0; }
.uml-box {
  background: var(--navy3);
  border: 1.5px solid var(--accent);
  border-radius: 6px;
  padding: 10px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--ink);
  min-width: 150px;
  text-align: center;
  position: relative;
}
.uml-box .uml-kind {
  font-size: 9px;
  font-weight: 500;
  color: var(--accent2);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 2px;
  display: block;
  font-family: 'DM Sans', sans-serif;
}
.uml-box .uml-name { font-weight: 600; }
.uml-box.interface { border-style: dashed; }
.uml-box.concrete { border-color: var(--border); background: var(--navy2); }
.uml-row { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.uml-line {
  width: 2px; height: 28px;
  background: var(--accent);
  position: relative;
}
.uml-line.dashed { background: transparent; border-left: 2px dashed var(--accent); }
.uml-fanout {
  width: 2px; height: 18px;
  background: var(--accent);
  position: relative;
}
.uml-bracket {
  height: 18px;
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  border-top: 2px solid var(--accent);
  border-radius: 2px 2px 0 0;
}

/* Terminal output (saída do main()) */
.terminal-output {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  line-height: 1.65;
  color: #9be7c4;
  box-shadow: inset 0 0 40px rgba(16,185,129,.05);
}
.terminal-output .tprompt { color: var(--muted); }
.terminal-output .tout    { color: var(--accent3); }
.terminal-output .tcomment { color: var(--muted); font-style: italic; }
.terminal-header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 600;
  color: var(--muted);
  letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 6px;
}
.terminal-header::before {
  content: '●  ●  ●';
  letter-spacing: .1em;
  color: rgba(255,255,255,.15);
  font-size: 9px;
}

/* VS grid — comparação lado a lado (Strategy vs State) */
.vs-grid {
  display: grid;
  grid-template-columns: 1fr 2px 1fr;
  gap: 20px;
  align-items: stretch;
}
.vs-divider {
  background: linear-gradient(to bottom,
    transparent,
    var(--border) 15%,
    var(--border) 85%,
    transparent);
  width: 2px;
}
.vs-col { display: flex; flex-direction: column; gap: 10px; }
.vs-col .vs-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px; font-weight: 600;
  color: var(--ink);
  line-height: 1;
}
.vs-col .vs-sub {
  font-size: 11px;
  color: var(--accent2);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Big stat number */
.big-stat {
  display: flex; flex-direction: column; align-items: center;
  padding: 18px 20px;
  background: var(--navy3);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.big-stat .num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 72px; font-weight: 700;
  line-height: 1;
  color: var(--accent2);
  letter-spacing: -.02em;
}
.big-stat .num .unit { font-size: 36px; color: var(--accent3); }
.big-stat .stat-label {
  font-size: 12px; color: var(--ink2);
  text-align: center; margin-top: 8px; line-height: 1.4;
}
.big-stat .stat-src {
  font-size: 10px; color: var(--muted);
  margin-top: 6px; font-style: italic;
}

/* Step reveal — destaque controlado por teclado ( . / , ) */
.step {
  transition: opacity .28s ease, background-color .28s ease;
  border-radius: 4px;
  padding: 0 3px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.step.dim    { opacity: .32; }
.step.active {
  background-color: rgba(68, 239, 173, 0.22);
  opacity: 1;
}
.step-indicator {
  position: absolute;
  bottom: 22px; left: 56px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
  background: rgba(0,0,0,.45);
  padding: 5px 11px;
  border-radius: 5px;
  border: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(6px);
}
.step-indicator kbd {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(255,255,255,.1);
  color: var(--accent3);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 9.5px;
  margin: 0 2px;
}
.step-kbd-btn {
  all: unset;
  display: inline;
  cursor: pointer;
  padding: 4px 5px;
  border-radius: 3px;
  transition: background 0.2s ease;
}
.step-kbd-btn:hover {
  background: rgba(255,255,255,0.2);
  border-color: var(--accent);
  color: var(--accent3);

}
.step-kbd-btn:active kbd { opacity: .7; }
.step-note {
  background: linear-gradient(135deg, var(--navy3), var(--navy2));
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 12.5px;
  color: var(--ink2);
  line-height: 1.55;
  display: none;
  animation: step-note-in .25s ease-out;
}
.step-note.active { display: block; }
.step-note strong { color: var(--ink); font-weight: 600; }
.step-note code.inline { font-size: .95em; }
@keyframes step-note-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ────────── Carrossel (só dentro do modal, navegação manual) ────────── */
.carousel {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0,0,0,.7);
  background: var(--navy3);
}
.carousel-track {
  display: flex;
  width: 300%;
  height: 100%;
  transition: transform .45s cubic-bezier(.7,.05,.35,.95);
  will-change: transform;
}
.carousel-slide {
  flex: 0 0 33.3333%;
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--navy3);
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.carousel-slide figcaption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 18px 28px;
  background: linear-gradient(to top, rgba(8,12,22,.97) 25%, rgba(8,12,22,.5) 70%, transparent);
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(52,211,153,.18);
}
.carousel-slide figcaption .label {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
}
.carousel-slide figcaption .sub {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent2);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
/* Dots (clicáveis) */
.carousel-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}
.carousel-dot {
  width: 36px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,.22);
  cursor: pointer;
  border: none;
  padding: 0;
  transition: background .2s ease, transform .2s ease;
}
.carousel-dot:hover { background: rgba(255,255,255,.45); transform: scaleY(1.6); }
.carousel-dot.active {
  background: var(--accent3);
  transform: scaleY(1.6);
}

/* Nav buttons ‹ / › */
.carousel-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  color: white;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background .2s ease, transform .2s ease, opacity .2s ease;
  z-index: 612;
}
.carousel-nav-btn:hover { background: rgba(255,255,255,.22); }
.carousel-nav-btn:active { transform: translateY(-50%) scale(.94); }
.carousel-nav-btn:disabled {
  opacity: .28;
  cursor: not-allowed;
}
.carousel-nav-btn.prev { left: -68px; }
.carousel-nav-btn.next { right: -68px; }

/* ─────── Trigger button em slide 9 (preview + CTA) ─────── */
.orch-open-btn {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
  width: 100%;
  padding: 14px 22px;
  background: var(--navy3);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: zoom-in;
  transition: border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
  text-align: left;
  font: inherit;
  color: inherit;
}
.orch-open-btn:hover {
  border-color: var(--accent);
  background: var(--navy2);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,.5);
}
.orch-open-previews {
  display: flex;
  flex-shrink: 0;
}
.orch-open-previews img {
  width: 96px;
  height: 58px;
  object-fit: cover;
  object-position: top center;
  border-radius: 6px;
  border: 2px solid var(--navy3);
  margin-left: -22px;
  box-shadow: 0 4px 14px rgba(0,0,0,.5);
  transition: transform .25s ease;
}
.orch-open-previews img:first-child { margin-left: 0; }
.orch-open-btn:hover .orch-open-previews img:nth-child(1) { transform: translateX(-2px) rotate(-1deg); }
.orch-open-btn:hover .orch-open-previews img:nth-child(3) { transform: translateX(2px) rotate(1deg); }

.orch-open-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.orch-open-text .label {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.1;
}
.orch-open-text .sub {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent2);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.orch-open-icon {
  font-size: 20px;
  color: var(--accent2);
  font-family: 'JetBrains Mono', monospace;
  transition: transform .2s ease;
  flex-shrink: 0;
}
.orch-open-btn:hover .orch-open-icon {
  transform: translate(3px, -3px);
}

/* ─────── Modal overlay do carrossel ─────── */
.carousel-modal {
  position: fixed;
  inset: 0;
  z-index: 600;
  background: rgba(0,0,0,.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
  cursor: zoom-out;
  padding: 48px 56px;
}
.carousel-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.carousel-modal-stage {
  width: min(1280px, 90vw);
  height: min(720px, 82vh);
  cursor: default;
  position: relative;
}
/* carrossel é navegado manualmente — sem auto-play */

.carousel-modal-close {
  position: absolute;
  top: 24px; right: 28px;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  color: white;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, transform .2s ease;
  z-index: 610;
}
.carousel-modal-close:hover {
  background: rgba(255,255,255,.22);
  transform: rotate(90deg);
}
.carousel-modal-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,.42);
  letter-spacing: .08em;
}
.carousel-modal-hint kbd {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(255,255,255,.1);
  color: var(--accent3);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  margin: 0 2px;
}

/* Pair animation — agente escrevendo / usuário revisando */
.pair-demo {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 14px;
  background: var(--navy2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.pair-pane {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
}
.pair-header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted);
  display: flex; align-items: center; gap: 7px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.pair-dot {
  width: 7px; height: 7px; border-radius: 50%;
  animation: pair-pulse 1.6s ease-in-out infinite;
}
.pair-pane.agent .pair-dot  { background: var(--accent3); }
.pair-pane.human .pair-dot  { background: var(--violet2); animation-delay: .8s; }

.pair-line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--code-text);
  white-space: pre;
  overflow: hidden;
  max-width: 100%;
  animation: pair-type 10s steps(48, end) infinite;
}
.pair-line:nth-child(2) { animation-delay: 0s; }
.pair-line:nth-child(3) { animation-delay: 1.2s; }
.pair-line:nth-child(4) { animation-delay: 2.4s; }
.pair-line:nth-child(5) { animation-delay: 3.6s; }
.pair-line:nth-child(6) { animation-delay: 4.8s; }

.pair-review {
  font-family: 'DM Sans', sans-serif;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--ink2);
  display: flex; align-items: flex-start; gap: 9px;
  opacity: 0;
  animation: pair-fade 10s ease-in-out infinite;
  padding: 3px 0;
}
.pair-review:nth-child(2) { animation-delay: 4.6s; }
.pair-review:nth-child(3) { animation-delay: 6.2s; }
.pair-review:nth-child(4) { animation-delay: 7.8s; }
.pair-review .icon {
  flex-shrink: 0; width: 18px; height: 18px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  margin-top: 1px;
}
.pair-review.accept .icon { background: rgba(16,185,129,.2); color: var(--accent3); }
.pair-review.edit   .icon { background: rgba(251,191,36,.2); color: var(--amber2); }
.pair-review.ask    .icon { background: rgba(139,92,246,.2); color: var(--violet2); }

.pair-cursor {
  display: inline-block;
  width: 7px; height: 12px;
  background: var(--accent3);
  animation: pair-blink 1s steps(2) infinite;
  vertical-align: middle;
  margin-left: 2px;
}

@keyframes pair-pulse { 0%,100%{opacity:.4;} 50%{opacity:1;} }
@keyframes pair-blink { 50%{opacity:0;} }
@keyframes pair-type {
  0%   { max-width: 0; }
  20%  { max-width: 0; }
  30%  { max-width: 100%; }
  100% { max-width: 100%; }
}
@keyframes pair-fade {
  0%,45% { opacity: 0; transform: translateX(-4px); }
  55%,100% { opacity: 1; transform: translateX(0); }
}

/* Recomendações — cards clicáveis de leitura externa */
.reco-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 24px;
  background: var(--navy3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
  position: relative;
  overflow: hidden;
}
.reco-card::after {
  content: '↗';
  position: absolute;
  top: 20px; right: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  color: var(--accent2);
  transition: transform .2s ease;
}
.reco-card:hover {
  border-color: var(--accent);
  background: var(--navy2);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,.5);
}
.reco-card:hover::after {
  transform: translate(3px, -3px);
}
.reco-kind {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent2);
  padding: 3px 8px;
  background: rgba(16,185,129,.1);
  border-radius: 4px;
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 4px;
}
.reco-kind.reco-video {
  color: var(--violet2);
  background: rgba(139,92,246,.12);
}
.reco-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  padding-right: 32px;
}
.reco-desc {
  font-size: 12.5px;
  color: var(--ink2);
  line-height: 1.5;
  margin-top: 2px;
}
.reco-url {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--muted);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255,255,255,.08);
  word-break: break-all;
}

/* X-list — "não é isto" */
.x-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.x-list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 13px; line-height: 1.5; color: var(--ink2);
}
.x-list li::before {
  content: '✗';
  color: var(--red2);
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
  line-height: 1.3;
}
.x-list li.check::before {
  content: '✓';
  color: var(--accent2);
}
.x-list li strong { color: var(--ink); font-weight: 600; }

/* Screenshot styling */
.slide-screenshot {
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
  max-width: 100%; max-height: 100%;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform .2s, box-shadow .2s;
}
.slide-screenshot:hover { transform: scale(1.02); box-shadow: 0 8px 32px rgba(0,0,0,.5); }

/* Lightbox */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.92); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
  cursor: zoom-out;
}
.lightbox-overlay.open { opacity: 1; pointer-events: auto; }
.lightbox-overlay img {
  max-width: 92vw; max-height: 90vh;
  border-radius: 8px; box-shadow: 0 16px 64px rgba(0,0,0,.6);
  transition: transform .3s ease;
}
.lightbox-close {
  position: absolute; top: 20px; right: 24px;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  color: white; font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.lightbox-close:hover { background: rgba(255,255,255,.25); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  color: white; font-size: 20px; cursor: pointer; z-index: 510;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.lightbox-nav:hover { background: rgba(255,255,255,.25); }
.lightbox-nav-prev { left: 24px; }
.lightbox-nav-next { right: 24px; }
.lightbox-caption {
  position: absolute; top: 0; left: 0; right: 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px; color: rgba(255,255,255,.9); z-index: 510;
  text-align: center; padding: 14px 60px;
  background: rgba(0,0,0,.7); backdrop-filter: blur(6px);
}
.lightbox-counter {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: rgba(255,255,255,.5); letter-spacing: .1em; z-index: 510;
}

/* ── TOC panel ── */
.toc-toggle {
  position: fixed; top: 16px; right: 16px; z-index: 800;
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(11,16,32,.85); border: 1px solid rgba(255,255,255,.12);
  color: var(--ink2); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.toc-toggle:hover { background: rgba(26,34,56,.95); }
.toc-toggle.open { transform: rotate(90deg); }

.toc-panel {
  position: fixed; top: 0; right: 0; z-index: 790;
  width: 280px; height: 100vh;
  background: rgba(11,16,32,.94);
  border-left: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(18px) saturate(1.2); -webkit-backdrop-filter: blur(18px) saturate(1.2);
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.22,1,.36,1);
  display: flex; flex-direction: column;
  box-shadow: -12px 0 40px rgba(0,0,0,.45);
}
.toc-panel.open { transform: translateX(0); }

.toc-header {
  padding: 22px 24px 16px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px; font-weight: 600; color: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,.06);
  display: flex; align-items: center; gap: 12px;
  letter-spacing: -.01em;
}
.toc-header::before {
  content: ''; width: 3px; height: 22px;
  background: linear-gradient(to bottom, var(--accent), var(--accent3));
  border-radius: 2px;
}

.toc-list {
  flex: 1; overflow-y: auto; padding: 4px 0 18px;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.12) transparent;
}
.toc-list::-webkit-scrollbar { width: 5px; }
.toc-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 2px; }
.toc-list::-webkit-scrollbar-thumb:hover { background: rgba(52,211,153,.35); }

.toc-section {
  padding: 14px 24px 6px;
  font-size: 9.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .14em; color: var(--accent2);
  display: flex; align-items: center; gap: 10px;
}
.toc-section::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(to right, rgba(52,211,153,.28), transparent 70%);
}

.toc-item {
  display: block; padding: 7px 24px;
  font-family: 'DM Sans', sans-serif;
  font-size: 12.5px; color: var(--ink2);
  text-decoration: none; cursor: pointer;
  transition: background .18s ease, color .18s ease, border-left-color .18s ease, padding-left .18s ease;
  border-left: 2px solid transparent;
  position: relative;
}
.toc-item:hover {
  background: rgba(255,255,255,.035);
  color: var(--ink);
  border-left-color: rgba(52,211,153,.45);
  padding-left: 26px;
}
.toc-item.active {
  background: linear-gradient(to right, rgba(16,185,129,.15), rgba(16,185,129,.02));
  color: var(--accent3);
  border-left-color: var(--accent2);
  font-weight: 500;
}
.toc-item.active::after {
  content: '●';
  position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-size: 6px; color: var(--accent2);
}

/* ── Theme toggle button ── */
.theme-toggle {
  position: fixed; top: 16px; right: 60px; z-index: 800;
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(11,16,32,.85); border: 1px solid rgba(255,255,255,.12);
  color: var(--ink2); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.theme-toggle:hover { background: rgba(26,34,56,.95); }
.theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun  { display: block; }

/* ── Light theme · todos os slides brancos + acentos verdes ── */
[data-theme="light"] {
  --navy:  #ffffff;   /* s-dark — branco puro */
  --navy2: #ffffff;   /* s-dark2 — branco puro (sem tint) */
  --navy3: #ffffff;   /* s-mid — branco puro (sem tint) */

  --ink:   #0f2419;   /* quase-preto com nuance verde */
  --ink2:  #2d4a3a;   /* verde-cinza escuro pra secundário */
  --muted: #6b8876;   /* sage neutro */
  --border: #bfe0cb;  /* borda mint suave */

  /* Verdes — fills mint, texto mais profundo pra contraste */
  --accent:  #10b981;  /* emerald 500 — fills, divisores, bordas */
  --accent2: #047857;  /* emerald 700 — texto de destaque, títulos de card */
  --accent3: #059669;  /* emerald 600 — texto enfatizado */

  --violet:  #7c3aed; --violet2: #8b5cf6;
  --red:     #dc2626; --red2:    #b91c1c;
  --amber:   #d97706; --amber2:  #b45309;

  --code-bg:      #ffffff;  /* código sobre fundo branco */
  --code-text:    #0f2419;
  --code-keyword: #7c3aed;
  --code-type:    #0891b2;
  --code-string:  #a16207;
  --code-number:  #be185d;
  --code-comment: #6b8876;
  --code-method:  #1d4ed8;
  --code-anno:    #c2410c;
}

[data-theme="light"] body {
  background: linear-gradient(180deg, #dff0e4 0%, #cfe7d7 100%);
}
[data-theme="light"] .slide { box-shadow: 0 24px 60px rgba(26,31,44,.16), 0 4px 16px rgba(26,31,44,.08); }
[data-theme="light"] .s-dark  { background: var(--navy);  color: var(--ink); }
[data-theme="light"] .s-dark2 { background: var(--navy2); color: var(--ink); }
[data-theme="light"] .s-mid   { background: var(--navy3); color: var(--ink); }

[data-theme="light"] .corner-num { color: var(--ink); opacity: .09; }
[data-theme="light"] #counter { color: rgba(26,31,44,.55); letter-spacing: .12em; }

[data-theme="light"] .nav-btn {
  background: rgba(26,31,44,.07); border-color: rgba(26,31,44,.18); color: var(--ink);
}
[data-theme="light"] .nav-btn:hover { background: rgba(26,31,44,.14); border-color: rgba(26,31,44,.3); }

/* Cards, boxes — brancos com borda mint e sombra sutil */
[data-theme="light"] .card,
[data-theme="light"] .q-card,
[data-theme="light"] .def-box,
[data-theme="light"] .big-stat,
[data-theme="light"] .reco-card,
[data-theme="light"] .orch-open-btn {
  background: #ffffff;
  border-color: #c9e4d3;
  box-shadow: 0 1px 2px rgba(15,36,25,.05), 0 4px 14px rgba(15,36,25,.07);
}
[data-theme="light"] .reco-card:hover,
[data-theme="light"] .orch-open-btn:hover {
  background: #fafefb;
  box-shadow: 0 6px 22px rgba(16,185,129,.14), 0 2px 6px rgba(15,36,25,.08);
}
[data-theme="light"] .reco-url { border-top-color: rgba(16,185,129,.2); }

/* Code: fundo branco, borda mint sutil, sombra pra destacar do slide */
[data-theme="light"] .code-block {
  background: var(--code-bg);
  border-color: #c9e4d3;
  box-shadow: 0 1px 2px rgba(15,36,25,.05), 0 4px 14px rgba(15,36,25,.07);
}
[data-theme="light"] code.inline {
  background: rgba(16,185,129,.09);
  color: #047857;
  border: 1px solid rgba(16,185,129,.22);
}

/* Pair demo (legado — sem uso atual) */
[data-theme="light"] .pair-demo {
  background: #ffffff;
  border-color: #c9e4d3;
}
[data-theme="light"] .pair-pane {
  background: #ffffff;
  border-color: #c9e4d3;
}
[data-theme="light"] .pair-header { border-bottom-color: rgba(16,185,129,.2); }

/* Step note — branco com borda mint */
[data-theme="light"] .step-note {
  background: #ffffff;
  border-color: #c9e4d3;
  color: var(--ink2);
  box-shadow: 0 1px 2px rgba(15,36,25,.05), 0 2px 10px rgba(15,36,25,.06);
}
[data-theme="light"] .step-note strong { color: var(--ink); }

/* Step indicator — pílula discreta */
[data-theme="light"] .step-indicator {
  background: rgba(26,31,44,.82);
  border-color: rgba(26,31,44,.24);
  color: rgba(255,255,255,.88);
}
[data-theme="light"] .step-indicator kbd {
  background: rgba(255,255,255,.16);
  color: #8fd9a8;
}

/* UML boxes — brancos com borda mint */
[data-theme="light"] .uml-box { background: #ffffff; border-color: var(--accent); color: var(--ink); box-shadow: 0 2px 8px rgba(15,36,25,.06); }
[data-theme="light"] .uml-box.concrete { background: #ffffff; border-color: #c9e4d3; box-shadow: 0 1px 4px rgba(15,36,25,.05); }

/* Pills */
[data-theme="light"] .pill-muted {
  background: rgba(26,31,44,.08);
  border-color: rgba(26,31,44,.18);
  color: var(--ink2);
}

/* Terminal header dots (fora do terminal preto) */
[data-theme="light"] .terminal-header::before { color: rgba(26,31,44,.3); }

/* ─── TOC panel no tema claro ─── */
[data-theme="light"] .toc-toggle,
[data-theme="light"] .theme-toggle {
  background: rgba(255,255,255,.94);
  border-color: rgba(26,31,44,.18);
  color: var(--ink);
  box-shadow: 0 2px 6px rgba(26,31,44,.08);
}
[data-theme="light"] .toc-toggle:hover,
[data-theme="light"] .theme-toggle:hover {
  background: #ffffff;
  border-color: rgba(26,31,44,.3);
}
[data-theme="light"] .toc-panel {
  background: rgba(252,253,255,.97);
  border-left: 1px solid rgba(26,31,44,.13);
  box-shadow: -14px 0 40px rgba(26,31,44,.14);
}
[data-theme="light"] .toc-header {
  color: var(--ink);
  border-bottom-color: rgba(26,31,44,.1);
}
[data-theme="light"] .toc-list {
  scrollbar-color: rgba(26,31,44,.18) transparent;
}
[data-theme="light"] .toc-list::-webkit-scrollbar-thumb { background: rgba(26,31,44,.18); }
[data-theme="light"] .toc-list::-webkit-scrollbar-thumb:hover { background: rgba(16,185,129,.45); }
[data-theme="light"] .toc-item { color: var(--ink2); }
[data-theme="light"] .toc-item:hover {
  background: rgba(16,185,129,.07);
  color: var(--ink);
  border-left-color: rgba(16,185,129,.55);
}
[data-theme="light"] .toc-item.active {
  background: linear-gradient(to right, rgba(16,185,129,.18), rgba(16,185,129,.03));
  color: #047857;
  border-left-color: var(--accent);
  font-weight: 600;
}

[data-theme="light"] .theme-toggle .icon-sun  { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* Carrossel figcaption — texto sobre gradient escuro, mantém claro */
[data-theme="light"] .carousel-slide figcaption .label { color: #ffffff; }
[data-theme="light"] .carousel-slide figcaption .sub   { color: #8fd9a8; }
[data-theme="light"] .carousel-slide figcaption { border-top-color: rgba(143,217,168,.38); }

/* Capa radial gradient light override */
[data-theme="light"] #s-capa .slide-inner {
  background: radial-gradient(ellipse 80% 60% at 80% 30%, rgba(16,185,129,.14) 0%, transparent 60%), var(--navy) !important;
}

/* ═══ Ilustrações para slides de analogia (Bloco 1) ═══ */

/* ── Analogia 1 · Receita de bolo ── */
.recipe-card {
  background: #fffbef;
  border: 1px solid #e6d4a8;
  border-radius: 4px;
  padding: 14px 18px 16px;
  font-family: 'Cormorant Garamond', serif;
  box-shadow: 0 6px 20px rgba(139,92,40,.1), 0 1px 3px rgba(139,92,40,.08);
  position: relative;
  width: 240px;
  margin: 0 auto;
}
.recipe-card::before {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px dashed rgba(139,92,40,.22);
  border-radius: 2px;
  pointer-events: none;
}
.recipe-title {
  font-size: 22px;
  font-weight: 600;
  color: #7a4f1b;
  margin-bottom: 2px;
  text-align: center;
  letter-spacing: .01em;
  line-height: 1.1;
}
.recipe-subtitle {
  font-size: 9px;
  color: #9d7a43;
  text-align: center;
  margin-bottom: 10px;
  font-family: 'DM Sans', sans-serif;
  text-transform: uppercase;
  letter-spacing: .14em;
}
.recipe-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139,92,40,.35), transparent);
  margin: 8px 0;
}
.recipe-section h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: #a07449;
  margin: 0 0 5px 0;
}
.recipe-section ul,
.recipe-section ol {
  margin: 0;
  padding-left: 18px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  color: #5a3a14;
  line-height: 1.45;
}
.recipe-section ul li,
.recipe-section ol li {
  margin-bottom: 1px;
}

/* ── Analogia 2 · Tiki-taka (campo de futebol) ── */
.pitch-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.pitch {
  width: 220px;
  height: 294px;
  background: linear-gradient(180deg, #5fa07a 0%, #4d9068 50%, #5fa07a 100%);
  background-image:
    linear-gradient(180deg, rgba(0,0,0,0.04) 0%, transparent 40%, rgba(0,0,0,0.04) 100%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0) 0 28px, rgba(255,255,255,.05) 28px 56px);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(15,36,25,.18), inset 0 0 0 2px rgba(255,255,255,.85);
  position: relative;
  overflow: hidden;
}
.pitch-caption {
  font-family: 'DM Sans', sans-serif;
  font-size: 9px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .15em;
}


/* ── Analogia 3 · Xadrez ── */
.chess-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.chess-board {
  position: relative;
  width: 256px;
  height: 256px;
  display: grid;
  grid-template-columns: repeat(8, 32px);
  grid-template-rows: repeat(8, 32px);
  border: 3px solid #3b5245;
  border-radius: 3px;
  box-shadow: 0 8px 24px rgba(15,36,25,.22);
}
.chess-square {
  width: 32px;
  height: 32px;
}
.chess-square.L { background: #eaf5ec; }
.chess-square.D { background: #7ca690; }

.chess-pieces {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.cp {
  position: absolute;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  line-height: 1;
  user-select: none;
  will-change: transform, opacity;
}
.cp.w {
  color: #ffffff;
  text-shadow:
    -1px -1px 0 #1f2d24, 1px -1px 0 #1f2d24,
    -1px  1px 0 #1f2d24, 1px  1px 0 #1f2d24,
     0 0 2px rgba(15,36,25,.25);
}
.cp.b {
  color: #1a2620;
  text-shadow: 0 1px 0 rgba(255,255,255,.15);
}
.chess-caption {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  font-style: italic;
  color: var(--accent2);
  margin-top: 2px;
}

.analogy-quote {
  background: rgba(16,185,129,.06);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  font-style: italic;
  color: var(--ink2);
  font-size: 13.5px;
  line-height: 1.55;
  margin: 10px 0;
}
.analogy-insight {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ink);
  margin-top: 12px;
}
.analogy-insight strong {
  color: var(--accent2);
  font-weight: 600;
}
.analogy-shortcut {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(16,185,129,.12);
  border: 1px solid rgba(16,185,129,.35);
  color: var(--accent2);
  border-radius: 999px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .02em;
}

/* ═══ Quiz interativo (Bloco 8) ═══ */
.quiz-interactive {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-height: 0;
}
.quiz-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.quiz-card {
  all: unset;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid #c9e4d3;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .15s, box-shadow .15s, opacity .15s;
  box-shadow: 0 1px 2px rgba(15,36,25,.05);
  position: relative;
  box-sizing: border-box;
}
.quiz-card:hover:not(.locked) {
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(16,185,129,.14);
  transform: translateY(-1px);
}
.quiz-card.selected {
  border-color: var(--accent);
  background: rgba(16,185,129,.06);
  box-shadow: 0 0 0 2px rgba(16,185,129,.4);
}
.quiz-card.correct {
  border-color: var(--accent);
  background: rgba(16,185,129,.1);
  box-shadow: 0 0 0 2px rgba(16,185,129,.55), 0 2px 10px rgba(16,185,129,.22);
}
.quiz-card.wrong {
  border-color: #dc2626;
  background: rgba(220,38,38,.06);
  opacity: .62;
}
.quiz-card.locked {
  cursor: default;
}
.quiz-card-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--muted);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.quiz-card-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid #c9e4d3;
  color: var(--ink);
  font-weight: 700;
  font-size: 10px;
  background: #ffffff;
  transition: background .15s, border-color .15s, color .15s;
}
.quiz-card.selected .quiz-card-letter,
.quiz-card.correct .quiz-card-letter {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}
.quiz-card.wrong .quiz-card-letter {
  border-color: #dc2626;
  background: #dc2626;
  color: #ffffff;
}
.quiz-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.quiz-controls .hint {
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
}
.quiz-submit {
  padding: 8px 22px;
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  transition: background .15s, transform .1s, opacity .15s;
}
.quiz-submit:hover:not(:disabled) { background: var(--accent3); }
.quiz-submit:active:not(:disabled) { transform: scale(.98); }
.quiz-submit:disabled {
  opacity: .4;
  cursor: not-allowed;
}
.quiz-submit.answered.correct { background: var(--accent); }
.quiz-submit.answered.incorrect { background: #dc2626; }
/* quiz-feedback divs are now data-only; keep hidden */
.quiz-feedback,
.quiz-feedback-correct,
.quiz-feedback-incorrect { display: none !important; }

/* ── Quiz result overlay (mesmo modelo do kenji-egg) ── */
.quiz-overlay {
  position: fixed; inset: 0; z-index: 3000;
  display: none; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(11,16,32,.55) 0%, rgba(11,16,32,.85) 80%);
}
.quiz-overlay.open { display: block; }
.quiz-overlay.open .quiz-modal { pointer-events: auto; }

.quiz-modal {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, rgba(16,185,129,.14), rgba(52,211,153,.04)), var(--navy2);
  border: 2px solid var(--accent);
  border-radius: 18px;
  padding: 44px 64px 34px;
  text-align: center;
  box-shadow: 0 30px 90px rgba(0,0,0,.6), 0 0 100px rgba(16,185,129,.25);
  opacity: 0;
  animation: kenji-pop .55s cubic-bezier(.34,1.56,.64,1) .1s forwards;
  max-width: 90vw;
}
.quiz-overlay.incorrect .quiz-modal {
  background: linear-gradient(135deg, rgba(239,68,68,.12), rgba(239,68,68,.04)), var(--navy2);
  border-color: var(--red);
  box-shadow: 0 30px 90px rgba(0,0,0,.6), 0 0 100px rgba(239,68,68,.2);
}

.quiz-modal-icon {
  font-size: 52px; line-height: 1; margin-bottom: 14px;
}
.quiz-overlay.correct   .quiz-modal-icon { color: var(--accent2); }
.quiz-overlay.incorrect .quiz-modal-icon { color: var(--red2); }

.quiz-modal-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 52px; font-weight: 600; color: var(--ink);
  line-height: 1.05; letter-spacing: -.01em;
}
.quiz-modal-title::after {
  content: ''; display: block;
  width: 60px; height: 3px;
  border-radius: 2px; margin: 14px auto 0;
}
.quiz-overlay.correct   .quiz-modal-title::after { background: var(--accent); }
.quiz-overlay.incorrect .quiz-modal-title::after { background: var(--red); }

.quiz-modal-body {
  font-size: 15px; color: var(--ink2);
  margin-top: 16px; font-style: italic;
  font-family: 'Cormorant Garamond', serif;
  line-height: 1.6; max-width: 480px;
}
.quiz-modal-body strong { color: var(--ink); font-style: normal; }
.quiz-modal-body em     { font-style: italic; }
.quiz-modal-body code   { font-family: 'JetBrains Mono', monospace; font-size: .85em; font-style: normal;
                          background: rgba(255,255,255,.06); border-radius: 3px; padding: 1px 5px; }

.quiz-modal-close {
  margin-top: 24px;
  padding: 9px 22px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  color: var(--ink2);
  border-radius: 8px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .1em;
  transition: background .15s, border-color .15s, color .15s;
}
.quiz-overlay.correct   .quiz-modal-close:hover { background: rgba(16,185,129,.14); border-color: var(--accent); color: var(--accent2); }
.quiz-overlay.incorrect .quiz-modal-close:hover { background: rgba(239,68,68,.14);  border-color: var(--red);    color: var(--red2); }

/* ═══ Easter egg: pressione K no último slide ═══ */
.kenji-egg {
  position: fixed; inset: 0; z-index: 3000;
  display: none; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(11,16,32,.55) 0%, rgba(11,16,32,.85) 80%);
}
.kenji-egg.open { display: block; }
.kenji-egg.open .kenji-modal { pointer-events: auto; }

.kenji-confetti {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.kenji-confetti span {
  position: absolute; top: -24px;
  width: 10px; height: 16px;
  opacity: .92;
  animation: kenji-fall linear forwards;
  will-change: transform, opacity;
}
@keyframes kenji-fall {
  0%   { transform: translate3d(0, -24px, 0) rotate(0deg); opacity: 1; }
  85%  { opacity: .9; }
  100% { transform: translate3d(var(--kx, 0), 110vh, 0) rotate(var(--kr, 720deg)); opacity: .6; }
}

.kenji-modal {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, rgba(16,185,129,.14), rgba(52,211,153,.04)), var(--navy2);
  border: 2px solid var(--accent);
  border-radius: 18px;
  padding: 44px 64px 34px;
  text-align: center;
  box-shadow: 0 30px 90px rgba(0,0,0,.6), 0 0 100px rgba(16,185,129,.25);
  opacity: 0;
  animation: kenji-pop .55s cubic-bezier(.34,1.56,.64,1) .1s forwards;
  max-width: 90vw;
}
@keyframes kenji-pop {
  0%   { transform: translate(-50%, -50%) scale(.5); opacity: 0; }
  100% { transform: translate(-50%, -50%) scale(1);  opacity: 1; }
}

.kenji-hats {
  display: flex; justify-content: center; gap: 14px;
  font-size: 64px; line-height: 1; margin-bottom: 18px;
}
.kenji-hat {
  display: inline-block;
  animation: kenji-wiggle 1.4s ease-in-out infinite;
}
.kenji-hat:nth-child(1) { animation-delay: 0s; }
.kenji-hat:nth-child(2) { animation-delay: .25s; }
.kenji-hat:nth-child(3) { animation-delay: .5s; }
@keyframes kenji-wiggle {
  0%, 100% { transform: translateY(0) rotate(-10deg); }
  50%      { transform: translateY(-10px) rotate(10deg); }
}

.kenji-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 64px; font-weight: 600; color: var(--ink);
  line-height: 1.05; letter-spacing: -.01em;
}
.kenji-title::after {
  content: ''; display: block;
  width: 60px; height: 3px; background: var(--accent);
  border-radius: 2px; margin: 14px auto 0;
}
.kenji-sub {
  font-size: 16px; color: var(--ink2);
  margin-top: 16px; font-style: italic;
  font-family: 'Cormorant Garamond', serif;
}
.kenji-close {
  margin-top: 24px;
  padding: 9px 22px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  color: var(--ink2);
  border-radius: 8px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .1em;
  transition: background .15s, border-color .15s, color .15s;
}
.kenji-close:hover {
  background: rgba(16,185,129,.14);
  border-color: var(--accent);
  color: var(--accent2);
}

[data-theme="light"] .kenji-egg {
  background: radial-gradient(ellipse at center, rgba(244,251,247,.6) 0%, rgba(193,223,205,.85) 80%);
}
[data-theme="light"] .kenji-modal {
  background: linear-gradient(135deg, rgba(16,185,129,.12), rgba(52,211,153,.04)), var(--navy);
  border-color: var(--accent);
  box-shadow: 0 30px 90px rgba(15,36,25,.22), 0 0 100px rgba(16,185,129,.22);
}