/* SpecContext PM — Galaxy theme (load after course.css)
   Deep space: pulsars, black hole, Earth, Mars, satellite — full-bleed video + canvas. */

@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap");

:root {
  --void: #030712 !important;
  --ink: #0a1224 !important;
  --panel: rgba(8, 16, 36, 0.42) !important;
  --panel-solid: rgba(10, 18, 40, 0.62) !important;
  --paper: #ffffff !important;
  --paper-dim: #e8eef8 !important;
  --line: rgba(125, 211, 252, 0.35) !important;
  --line-soft: rgba(125, 211, 252, 0.16) !important;

  --crimson: #e07a3d !important;
  --crimson-glow: #ff9a5c !important;
  --gold: #f0b429 !important;
  --gold-soft: #ffd56a !important;
  --cap: #5eead4 !important;
  --cap-glow: #99f6e4 !important;
  --arc: #7dd3fc !important;

  --accent: #5eead4 !important;
  --accent-glow: #38bdf8 !important;
  --ai: #a5b4fc !important;

  --font-display: "Orbitron", "Segoe UI", sans-serif !important;
  --font-body: "Space Grotesk", "Segoe UI", sans-serif !important;
  --font-mono: "Space Grotesk", ui-monospace, monospace !important;

  --radius: 2px !important;
  --shadow: 0 0 48px rgba(56, 189, 248, 0.14) !important;
  --hud: rgba(94, 234, 212, 0.4) !important;

  --gx-cyan: #5eead4;
  --gx-blue: #38bdf8;
  --gx-mars: #e07a3d;
  --gx-earth: #3b82c4;
  --gx-gold: #f0b429;
  --gx-violet: #818cf8;
}

html, body {
  background: #020617 !important;
}

/* Language switcher — always above cover + course chrome */
.lang-bar {
  position: fixed;
  top: 0.75rem;
  right: 0.85rem;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.35rem 0.28rem 0.65rem;
  border: 1px solid rgba(125, 211, 252, 0.35);
  border-radius: 999px;
  background: rgba(3, 7, 18, 0.72);
  backdrop-filter: blur(12px);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.12);
  font-family: var(--font-body);
  pointer-events: auto;
}

body.has-mode .topbar-actions {
  margin-right: 7.25rem;
}

.lang-bar-label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-dim);
  user-select: none;
}

.lang-btn {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--paper-dim);
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.lang-btn:hover {
  color: var(--gx-cyan);
  border-color: rgba(94, 234, 212, 0.35);
}

.lang-btn.is-active {
  color: #021016;
  background: linear-gradient(135deg, var(--gx-cyan), var(--gx-blue));
  border-color: transparent;
  box-shadow: 0 0 16px rgba(94, 234, 212, 0.35);
}

.lang-btn:focus-visible {
  outline: 2px solid var(--gx-cyan);
  outline-offset: 2px;
}

.app {
  background: transparent !important;
  position: relative;
  z-index: 2; /* acima da máscara — texto não é escurecido */
}

body:not(.has-mode) .app {
  opacity: 0;
  pointer-events: none;
}

/* —— Full-bleed stage —— */
.stage-wrap {
  padding: 0 !important;
  place-items: stretch !important;
  min-height: 0;
}

.deck {
  width: 100% !important;
  height: 100% !important;
  max-height: none !important;
  aspect-ratio: auto !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
  overflow: hidden !important;
}

.deck::before,
.deck::after,
.deck-hud-bl,
.deck-hud-br {
  display: none !important;
}

/* —— Galaxy canvas FX (só no curso; capa usa vídeo) —— */
.galaxy-fx {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s ease, visibility 0.7s ease;
  background: #020617;
}

body.has-mode .galaxy-fx,
body.in-cosmos .galaxy-fx {
  opacity: 1;
  visibility: visible;
}

body:not(.has-mode) .galaxy-fx,
body.on-cover .galaxy-fx {
  opacity: 0;
  visibility: hidden;
}

.galaxy-fx canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Máscara 60% só no fundo (atrás do .app) — não cobre o texto */
.gx-read-mask {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: rgba(2, 6, 23, 0.6);
}

/* Capa: máscara atrás do mode-gate (z:50), acima do vídeo (z:40) */
body:not(.has-mode) .gx-read-mask,
body.on-cover .gx-read-mask {
  z-index: 45;
  background: rgba(2, 6, 23, 0.6);
}

.gx-vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 75% 65% at 50% 42%, transparent 25%, rgba(2, 6, 23, 0.35) 100%),
    linear-gradient(90deg, rgba(2, 6, 23, 0.35) 0%, transparent 20%, transparent 80%, rgba(2, 6, 23, 0.35) 100%);
}

body:not(.has-mode) .gx-vignette,
body.on-cover .gx-vignette {
  z-index: 44;
  background:
    radial-gradient(ellipse 80% 70% at 50% 45%, transparent 45%, rgba(2, 6, 23, 0.2) 100%);
}

.topbar,
.footerbar,
.stage-wrap {
  position: relative;
  z-index: 2;
}

.topbar {
  border-bottom: 1px solid rgba(125, 211, 252, 0.18) !important;
  background: linear-gradient(180deg, rgba(3, 7, 18, 0.88), rgba(3, 7, 18, 0.28)) !important;
  backdrop-filter: blur(10px);
}

.brand-mark {
  color: var(--gx-cyan) !important;
  letter-spacing: 0.16em !important;
  text-transform: uppercase !important;
  text-shadow: 0 0 22px rgba(94, 234, 212, 0.45) !important;
  font-family: var(--font-display) !important;
}

.brand-sub {
  color: var(--paper-dim) !important;
  font-family: var(--font-body) !important;
  font-size: 0.72rem !important;
  letter-spacing: 0.04em;
}

.chrome-btn {
  border-color: rgba(125, 211, 252, 0.35) !important;
  color: var(--gx-cyan) !important;
  background: rgba(8, 20, 48, 0.45) !important;
  border-radius: 2px !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem !important;
  font-family: var(--font-display) !important;
}

.chrome-btn:hover {
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.35) !important;
  background: rgba(15, 40, 80, 0.65) !important;
}

.footerbar {
  border-top: 1px solid rgba(125, 211, 252, 0.18) !important;
  background: linear-gradient(0deg, rgba(3, 7, 18, 0.9), rgba(3, 7, 18, 0.35)) !important;
  backdrop-filter: blur(10px);
  color: var(--paper-dim) !important;
}

.mode-badge {
  border-color: rgba(94, 234, 212, 0.4) !important;
  color: var(--gx-cyan) !important;
  background: rgba(8, 30, 50, 0.55) !important;
  font-family: var(--font-display) !important;
  letter-spacing: 0.1em;
}

/* —— Slides · texto brilhante (acima da máscara) —— */
.slide {
  color: #ffffff !important;
  background: transparent !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55);
  isolation: isolate;
}

.slide h1,
.slide h2 {
  font-family: var(--font-display) !important;
  color: #ffffff !important;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.7),
    0 0 24px rgba(56, 189, 248, 0.18);
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  opacity: 1 !important;
}

.assemble-word {
  font-family: var(--font-display) !important;
  color: #ffffff !important;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  opacity: 1 !important;
}

.eyebrow,
.mission-chip {
  color: #9af7e4 !important;
  font-family: var(--font-display) !important;
  letter-spacing: 0.14em !important;
  text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.65);
  border-color: rgba(154, 247, 228, 0.6) !important;
  opacity: 1 !important;
}

.slide .lede,
.slide p,
.slide li,
.slide td,
.slide th,
.kicker-small,
.source,
.howto-steps,
.howto-steps div {
  color: #f5f8ff !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  opacity: 1 !important;
}

.slide .lede {
  color: #ffffff !important;
  font-weight: 500;
}

.slide .fragment.is-visible,
.slide .fragment.is-visible * {
  opacity: 1 !important;
}

.pill {
  border-color: rgba(200, 230, 255, 0.65) !important;
  background: rgba(6, 14, 32, 0.75) !important;
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  font-weight: 500;
}

.block,
.callout-ai,
.prompt-template,
.exercise,
.two-col .block,
.howto-steps li {
  border-color: rgba(125, 211, 252, 0.3) !important;
  background: rgba(4, 10, 24, 0.78) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 28px rgba(56, 189, 248, 0.08);
  color: #ffffff !important;
}

.block-label,
.howto-steps .step-n {
  color: #9af7e4 !important;
  font-family: var(--font-display) !important;
  letter-spacing: 0.1em;
}

.quote {
  border-left-color: var(--gx-gold) !important;
  color: #ffffff !important;
}

.table-wrap table {
  border-color: rgba(125, 211, 252, 0.28) !important;
  color: #ffffff !important;
}

.table-wrap th {
  color: #9af7e4 !important;
  font-family: var(--font-display) !important;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.table-wrap td {
  border-color: rgba(125, 211, 252, 0.18) !important;
  color: #f5f8ff !important;
}

.journey-step {
  border-color: rgba(154, 247, 228, 0.5) !important;
  background: rgba(8, 24, 48, 0.75) !important;
  color: #ffffff !important;
}

.journey-arrow {
  color: #9af7e4 !important;
}

.tree-tag.trunk { background: rgba(240, 180, 41, 0.28); color: #ffe08a; }
.tree-tag.branch { background: rgba(94, 234, 212, 0.22); color: #9af7e4; }
.tree-tag.root { background: rgba(224, 122, 61, 0.25); color: #ffc09a; }

.tree-part,
.tree-part div {
  color: #ffffff !important;
}

a {
  color: #9ad8ff !important;
}

a:hover {
  color: #c5fff0 !important;
}

.nav-btn {
  border-color: rgba(125, 211, 252, 0.45) !important;
  color: #ffffff !important;
  background: rgba(8, 20, 48, 0.65) !important;
}

.nav-btn:hover {
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
}

.progress-fill {
  background: linear-gradient(90deg, var(--gx-blue), var(--gx-cyan)) !important;
  box-shadow: 0 0 12px rgba(94, 234, 212, 0.5);
}

.hold-cue {
  display: none !important;
}

body.is-awaiting-next #btn-next {
  border-color: rgba(94, 234, 212, 0.85) !important;
  color: #7ef0d8 !important;
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.45) !important;
}

.menu-panel {
  background: rgba(3, 7, 18, 0.96) !important;
  border-left: 1px solid rgba(125, 211, 252, 0.25) !important;
  backdrop-filter: blur(16px);
  z-index: 60;
}

.menu-panel h2 {
  font-family: var(--font-display) !important;
  color: #9af7e4 !important;
}

.menu-list a,
.menu-list button {
  color: #ffffff !important;
}

.brand-sub,
.footerbar {
  color: #e8eef8 !important;
}

#module-label,
#progress-label,
.hints {
  color: #f0f4fc !important;
}

.slide.slide--assemble,
.slide.slide--author,
.slide.slide--title {
  background: transparent !important;
  text-align: center;
  align-items: center;
}

.slide.slide--assemble .assemble-word {
  font-size: clamp(1.8rem, 5vw, 3.2rem) !important;
  color: #ffffff !important;
  animation: gx-assemble-pulse 3.2s ease-in-out infinite !important;
  text-shadow:
    0 1px 3px rgba(0, 0, 0, 0.75),
    0 0 28px rgba(94, 234, 212, 0.35) !important;
}

@keyframes gx-assemble-pulse {
  0%, 100% {
    letter-spacing: 0.04em;
    text-shadow:
      0 1px 3px rgba(0, 0, 0, 0.75),
      0 0 24px rgba(94, 234, 212, 0.3);
  }
  50% {
    letter-spacing: 0.08em;
    text-shadow:
      0 1px 3px rgba(0, 0, 0, 0.75),
      0 0 36px rgba(94, 234, 212, 0.45);
  }
}

.slide .fragment {
  color: inherit;
}

.meta-row .pill {
  color: #ffffff !important;
}

.mode-gate-card h1,
.mode-gate-card .brand-line,
.mode-btn strong {
  color: #ffffff !important;
  opacity: 1 !important;
}

.mode-gate-card .lede,
.mode-btn span {
  color: #f0f4fc !important;
  opacity: 1 !important;
}

/* —— Background video: SOMENTE na capa —— */
.yt-bg,
.bg-video-wrap {
  position: fixed;
  inset: 0;
  z-index: 40;
  overflow: hidden;
  pointer-events: none;
  background: #020617;
  transition: opacity 0.55s ease, visibility 0.55s ease;
}

body.has-mode .yt-bg,
body.has-mode .bg-video-wrap,
body.in-cosmos .yt-bg,
body.in-cosmos .bg-video-wrap {
  opacity: 0;
  visibility: hidden;
  z-index: 0;
  pointer-events: none;
}

.yt-bg iframe {
  display: none !important;
}

.bg-video,
.yt-bg .bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border: 0;
  opacity: 1;
  filter: none;
}

/* Capa: shade mínimo — o vídeo é o herói */
.bg-video-wrap::after,
.yt-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 50% 48%, rgba(2, 6, 23, 0.15) 0%, transparent 70%),
    linear-gradient(180deg, rgba(2, 6, 23, 0.12) 0%, transparent 35%, rgba(2, 6, 23, 0.35) 100%);
}

/* Hide legacy Matrix FX if present */
.matrix-rain,
.mx-vignette,
.heroes-layer,
.mx-cast,
.mx-char,
.mx-era-label,
.saga-gif-layer,
.saga-era-label {
  display: none !important;
}

/* —— Mode gate · capa minimalista —— */
.mode-gate {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: end center;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 8vh, 5rem);
  background: transparent;
  transition: opacity 0.55s ease, visibility 0.55s ease;
}

.mode-gate.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.mode-gate-card {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  text-align: center;
  padding: 0;
  border: none;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  animation: gx-rise 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes gx-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mode-gate-card .brand-line {
  font-family: var(--font-display);
  color: rgba(232, 240, 255, 0.92);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin: 0 0 0.85rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.65), 0 0 28px rgba(94, 234, 212, 0.35);
}

.mode-gate-card h1 {
  font-family: var(--font-display);
  color: #fff;
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  font-weight: 600;
  margin: 0 0 0.5rem;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 28px rgba(0, 0, 0, 0.75), 0 0 40px rgba(56, 189, 248, 0.25);
  line-height: 1.25;
}

.mode-gate-card .lede {
  color: rgba(232, 240, 255, 0.72);
  max-width: 34ch;
  margin: 0 auto 1.5rem;
  line-height: 1.45;
  font-size: 0.92rem;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.7);
}

.mode-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .mode-actions { grid-template-columns: 1fr; }

  .lang-bar {
    top: max(0.45rem, env(safe-area-inset-top));
    right: max(0.45rem, env(safe-area-inset-right));
    padding-left: 0.4rem;
  }
  .lang-bar-label { display: none; }

  body.has-mode .topbar {
    padding-top: max(0.45rem, env(safe-area-inset-top));
    padding-right: 5.5rem;
  }

  body.has-mode .topbar-actions {
    margin-right: 0 !important;
    width: auto;
  }

  body.has-mode .brand-mark {
    letter-spacing: 0.06em !important;
    font-size: 0.78rem !important;
  }

  body.has-mode .chrome-btn {
    font-size: 0.65rem !important;
    letter-spacing: 0.05em;
  }

  body.has-mode .lang-bar {
    top: max(0.4rem, env(safe-area-inset-top));
  }

  .mode-gate {
    padding: 1rem 0.75rem;
    padding-top: max(3.5rem, calc(env(safe-area-inset-top) + 3rem));
    align-items: flex-start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .mode-gate-card {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 1.15rem 1rem 1.35rem;
  }

  .mode-gate-card h1 {
    font-size: clamp(1.35rem, 7vw, 1.85rem);
  }

  .mode-btn {
    padding: 0.9rem 0.95rem;
  }

  .deck {
    overflow: hidden !important;
  }

  .slide.is-active {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .howto-steps li {
    gap: 0.55rem;
    padding: 0.5rem 0.6rem;
  }

  .artifact-figure img {
    max-height: min(42vh, 320px);
  }

  .hold-cue {
    display: none !important;
  }

  .author-card .lede,
  .author-card a {
    word-break: break-word;
  }
}

.mode-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
  text-align: left;
  padding: 0.95rem 1.05rem;
  border: 1px solid rgba(232, 240, 255, 0.28);
  background: rgba(3, 7, 18, 0.28);
  color: var(--paper);
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  font: inherit;
  backdrop-filter: blur(6px);
}

.mode-btn:hover,
.mode-btn:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(94, 234, 212, 0.65);
  background: rgba(8, 24, 48, 0.45);
  box-shadow: 0 0 32px rgba(56, 189, 248, 0.22);
  outline: none;
}

.mode-btn strong {
  font-family: var(--font-display);
  color: #fff;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.82rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}

.mode-btn span {
  font-size: 0.75rem;
  color: rgba(232, 240, 255, 0.68);
  line-height: 1.35;
}

/* —— Figuras / passo a passo IA —— */
.artifact-figure {
  width: min(100%, 820px);
  margin: 0.35rem auto 0.5rem;
  border: 1px solid rgba(125, 211, 252, 0.28);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(4, 10, 24, 0.65);
  box-shadow: 0 0 40px rgba(56, 189, 248, 0.1);
}

.artifact-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(52vh, 480px);
  object-fit: contain;
  background: #0a1628;
}

.howto-steps {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.howto-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(125, 211, 252, 0.2);
  background: rgba(6, 14, 32, 0.55);
  border-radius: 4px;
}

.howto-steps .step-n {
  font-family: var(--font-display);
  color: #7ef0d8;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  min-width: 2.2rem;
}

.howto-steps strong {
  color: #ffffff;
}

.ctx-chip {
  display: inline-block;
  margin: 0.15rem 0.25rem 0.15rem 0;
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(94, 234, 212, 0.35);
  border-radius: 2px;
  font-size: 0.78rem;
  color: #eaf3ff;
  background: rgba(8, 24, 48, 0.55);
}

.slide.slide--visual {
  justify-content: flex-start;
  overflow-y: auto;
}

/* Scenario label — oculto (conflitava com o chrome no mobile) */
.gx-era-label {
  display: none !important;
}

.reading-links a { color: var(--gx-blue); }

@media (prefers-reduced-motion: reduce) {
  .galaxy-fx,
  .yt-bg,
  .bg-video-wrap {
    display: none !important;
  }
  .mode-gate-card {
    animation: none;
  }
  .slide.is-leaving.is-jump-fwd,
  .slide.is-leaving.is-jump-back,
  .slide.is-active.is-enter-fwd,
  .slide.is-active.is-enter-back {
    animation: none !important;
    filter: none !important;
    transform: none !important;
  }
}