/* ================================================================
   LUDOPOIESIS · Dirección "Minimal Ritual"
   Fraunces (display, light) + DM Sans (body)
   Paleta base: #FAFAF8 + #1A1A1A · Acento dinámico por naipe activo
   ================================================================ */

/* ===== CSS VARIABLES (paleta) ============================== */
:root {
  /* Base fija */
  --bg:          #FAFAF8;
  --ink:         #1A1A1A;
  --ink-soft:    #555555;
  --ink-mute:    #999999;
  --hairline:    #EAEAE6;

  /* Paleta dinámica — default = neutro (en home sin carta) */
  --primary:     #1A1A1A;
  --accent:      #1A1A1A;
  --accent-soft: color-mix(in srgb, var(--accent) 14%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 24%, transparent);
}

/* Paletas activas según naipe (las setea el JS al tirar carta) */
body[data-naipe="naturaleza"]  {
  --primary: #003C3C;
  --accent:  #FF8B5C;
}
body[data-naipe="fluir"] {
  --primary: #1A3A5C;
  --accent:  #E96B98;
}
body[data-naipe="tecnologia"] {
  --primary: #3C0F3C;
  --accent:  #A6D656;
}

/* ===== RESET ================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

/* ===== BASE ================================================= */
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  transition: color 0.5s ease;
}

/* ===== HEADER STICKY ======================================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--hairline);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.5px;
  color: var(--ink);
  cursor: pointer;
  user-select: none;
  transition: color 0.3s ease;
}
.logo b {
  font-weight: 500;
  color: var(--accent);
  transition: color 0.5s ease;
}
.logo:hover { color: var(--primary); }

/* Idioma switch ES · PT · EN */
.idioma-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.bandera {
  color: var(--ink-mute);
  cursor: pointer;
  padding: 4px 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
  border-bottom: 1px solid transparent;
  user-select: none;
}
.bandera:hover { color: var(--ink); }
.bandera-activa {
  color: var(--ink);
  font-weight: 500;
  border-bottom-color: var(--accent);
}
.lang-sep {
  color: var(--ink-mute);
  font-size: 10px;
  user-select: none;
}

/* ===== MAIN ================================================= */
.app-main {
  max-width: 480px;
  margin: 0 auto;
  padding: 40px 22px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Etiqueta sutil con el lente activo, arriba de la carta */
.card-meta-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  min-height: 14px;
  font-weight: 500;
  text-align: center;
  transition: color 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}
.card-meta-label.show {
  opacity: 1;
}

/* ===== INTRO / TEXTOS LARGOS ================================ */
.intro-texto {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 18px;
  line-height: 1.55;
  letter-spacing: -0.2px;
  color: var(--ink);
  max-width: 38ch;
  text-align: center;
  margin: 8px auto 32px;
  padding: 0;
}
.intro-texto p { margin: 0 0 14px; }
.intro-texto strong, .intro-texto b {
  font-weight: 500;
}
.intro-texto em, .intro-texto i {
  font-style: italic;
  color: var(--accent);
}
.more-button {
  display: inline-block;
  margin-top: 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 3px;
  cursor: pointer;
  font-weight: 500;
  transition: color 0.3s ease;
}
.more-button:hover { color: var(--accent); }

/* ===== CONTENEDOR DE CARTAS ================================= */
#carta-container {
  perspective: 1000px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 16px;
  width: 100%;
  padding: 8px 0 24px;
  min-height: 0;
}

/* === Layouts por tipo de tirada === */

/* Modo carta acumulativo: cartas en row con overlap natural y leve rotación */
#carta-container:not([data-layout]) {
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  overflow-x: auto;
  overflow-y: visible;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 30px 22px;
  --cards-scale: 1;
}
#carta-container:not([data-layout])::-webkit-scrollbar { display: none; }
/* Cada carta a partir de la segunda se monta levemente sobre la anterior */
#carta-container:not([data-layout]) .carta-wrapper + .carta-wrapper {
  margin-left: -60px;
}

#carta-container[data-layout="horizontal"] {
  flex-wrap: nowrap;
  justify-content: flex-start;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-padding: 22px;
  padding: 8px 22px 24px;
  gap: 18px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
#carta-container[data-layout="horizontal"]::-webkit-scrollbar { display: none; }
#carta-container[data-layout="horizontal"] .carta-wrapper {
  scroll-snap-align: center;
  flex-shrink: 0;
}
#carta-container[data-layout="vertical"] {
  flex-direction: column;
  flex-wrap: nowrap;
  align-items: center;
  gap: 24px;
}

.carta-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  transform: scale(var(--cards-scale, 1)) rotate(var(--tilt, 0deg));
  transform-origin: center center;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), margin-left 0.4s ease;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

/* Carta clickeada: sube al frente, se endereza y se eleva levemente.
   Queda encima incluso al des-voltear; solo baja cuando se toca otra carta. */
.carta-wrapper.al-frente {
  z-index: 50;
  transform: translateY(-24px) scale(1.04) rotate(0deg);
}

/* Label de posición arriba de cada carta en tiradas múltiples
   ("Pasado", "Presente", "Futuro" / "Pensar", "Sentir", "Hacer") */
.carta-posicion {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  text-align: center;
  min-height: 13px;
  transition: color 0.4s ease;
}

/* ===== CARTA · FLIP 3D ====================================== */
.card {
  width: min(280px, calc(85vw - 32px));
  aspect-ratio: 280 / 428;
  height: auto;
  flex-shrink: 0;
  flex-grow: 0;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.4, 0.0, 0.2, 1),
              box-shadow 0.5s ease;
  cursor: pointer;
  border-radius: 6px;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.04),
    0 16px 48px -12px var(--accent-glow);
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.card.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 6px;
  overflow: hidden;
}

.card-front {
  background: #fff;
}
.card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-back {
  background: #fff;
  color: var(--ink);
  transform: rotateY(180deg);
  padding: 30px 26px 26px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  text-align: left;
  border-top: 3px solid var(--accent);
}
.card-back h2 {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 24px;
  letter-spacing: -0.5px;
  line-height: 1.05;
  margin: 0 0 18px;
  color: var(--primary);
}
.card-back p {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
  white-space: pre-line;
  flex: 1;
  overflow-y: auto;
}

/* Carta ampliada en overlay (mantenido del original, refinado) */
.card.ampliada {
  position: fixed;
  top: 50%;
  left: 50%;
  width: auto;
  max-width: 90vw;
  height: auto;
  max-height: 90vh;
  aspect-ratio: 280 / 428;
  transform: translate(-50%, -50%) scale(1) !important;
  z-index: 999;
  border-radius: 8px;
}
.card.zoom-in {
  transition: transform 0.3s ease;
  transform: scale(1) rotateY(180deg);
}

/* Hover sutil en desktop */
@media (hover: hover) and (pointer: fine) {
  .card:hover {
    transform: translateY(-4px);
    box-shadow:
      0 1px 2px rgba(0,0,0,0.04),
      0 24px 56px -10px var(--accent-glow);
  }
  .card.flipped:hover { transform: translateY(-4px); }
}

/* ===== ZONA DE CONTROLES ==================================== */
.zona-controles {
  max-width: 480px;
  margin: 0 auto;
  padding: 8px 22px 60px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

/* ----- Selector de modo de tirada (Carta · 3 horizontal · 3 vertical) ----- */
.modo-selector {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 8px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.modo-btn {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 14px 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition: color 0.25s ease;
}
.modo-btn:hover { color: var(--ink); }
.modo-btn.active {
  color: var(--ink);
  font-weight: 600;
}
.modo-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 2px;
  background: var(--accent);
  transition: background 0.4s ease, width 0.25s ease;
}
.modo-btn:not(:last-child)::before {
  content: "";
  position: absolute;
  right: 0;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--hairline);
}

.modo-subtitle {
  text-align: center;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 300;
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.5px;
  min-height: 18px;
  margin-bottom: 24px;
  transition: opacity 0.3s ease;
}
.modo-subtitle:empty { opacity: 0; }

/* ----- Botones primarios ----- */
.botones-controles {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
}
.btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  padding: 14px 26px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: all 0.25s ease;
  min-width: 130px;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--primary);
  border-color: var(--primary);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
}
.btn-outline:hover {
  background: var(--ink);
  color: var(--bg);
}

/* Botón Compartir: solo visible cuando hay una tirada activa.
   Estilo discreto, color del acento del naipe activo. */
.btn-share {
  display: none;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  padding: 14px 22px;
  border-radius: 999px;
  transition: all 0.25s ease;
  min-width: 110px;
}
.btn-share:hover {
  background: var(--accent);
  color: var(--bg);
}
body[data-naipe] .btn-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   SHARE CANVAS · Template oculto para generar imagen compartible
   Formato 4:5 vertical (800×1000), invisible al usuario,
   se renderiza a PNG con html-to-image al tap "Compartir".
   ============================================================ */
#share-canvas {
  position: fixed;
  left: -10000px;
  top: 0;
  width: 800px;
  height: 1000px;
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}
#share-canvas .share-content {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 56px 56px 40px;
  box-sizing: border-box;
  background: var(--bg);
}
#share-canvas .share-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}
#share-canvas .share-logo {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 32px;
  letter-spacing: -0.5px;
  color: var(--ink);
}
#share-canvas .share-logo b {
  font-weight: 500;
  color: var(--accent);
}
#share-canvas .share-naipe {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
#share-canvas .share-cards {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 0;
}
#share-canvas .share-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
#share-canvas .share-card.solo {
  flex-direction: row;
  gap: 36px;
  align-items: center;
  width: 100%;
}
#share-canvas .share-card-pos {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  min-height: 14px;
}
#share-canvas .share-card-img {
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.06),
    0 20px 60px -16px rgba(0,0,0,0.18);
}
#share-canvas .share-card-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#share-canvas .share-card.solo .share-card-img {
  width: 280px;
  height: 428px;
  flex-shrink: 0;
}
#share-canvas .share-card.solo .share-card-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  text-align: left;
}
#share-canvas .share-card.solo .share-card-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 36px;
  line-height: 1.05;
  letter-spacing: -0.8px;
  color: var(--primary);
  margin: 0;
}
#share-canvas .share-card.solo .share-card-body {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}
#share-canvas .share-card.triple .share-card-img {
  width: 170px;
  height: 260px;
}
#share-canvas .share-card.triple .share-card-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 17px;
  line-height: 1.15;
  color: var(--primary);
  margin: 0;
  text-align: center;
  max-width: 170px;
  letter-spacing: -0.3px;
}
#share-canvas .share-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  margin-top: 36px;
  border-top: 1px solid var(--hairline);
}
#share-canvas .share-subtitle {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 300;
  font-size: 14px;
  color: var(--ink-soft);
  letter-spacing: 0.3px;
}
#share-canvas .share-url {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}

/* ----- Fila de lentes con hairlines ----- */
.lentes-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 22px 0;
  margin-bottom: 32px;
}
.lente-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  flex: 1;
  user-select: none;
  position: relative;
  padding: 4px 0;
  transition: opacity 0.2s ease;
}
.lente-mini::after {
  content: "";
  position: absolute;
  right: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--hairline);
}
.lente-mini:last-child::after { display: none; }
.lente-mini img {
  width: 32px;
  height: 32px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.lente-mini:hover img { transform: scale(1.08); }
.lente-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}

/* ----- Pasos 1-2-3 ----- */
.steps-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin: 0 auto;
  max-width: 380px;
}
.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  position: relative;
}
.step-num {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 38px;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -1.5px;
  transition: color 0.5s ease;
}
.step-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.4;
  max-width: 100px;
  font-weight: 500;
}
.step-info {
  font-size: 11px;
  color: var(--ink-mute);
  cursor: pointer;
  margin-top: 4px;
  transition: color 0.2s ease;
}
.step-info:hover { color: var(--accent); }

/* ===== MENSAJE DIVERTIDO (sin lentes activos) =============== */
.mensaje-divertido {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-style: italic;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  text-align: center;
  padding: 40px 20px;
  max-width: 32ch;
  margin: 0 auto;
}
.mensaje-divertido p { margin: 0 0 8px; }

/* ===== OVERLAY DE CARTA AMPLIADA ============================ */
#overlay-ampliada {
  position: fixed;
  inset: 0;
  display: none;
  justify-content: center;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  padding: 24px;
}
#overlay-ampliada .card {
  all: unset;
  display: block;
  width: min(85vw, 360px);
  aspect-ratio: 280 / 428;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  animation: zoomInOverlay 0.35s cubic-bezier(0.4, 0.0, 0.2, 1);
  background: #fff;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.04),
    0 30px 80px -10px var(--accent-glow);
  border-top: 3px solid var(--accent);
}
#overlay-ampliada .card-back {
  padding: 36px 30px;
  overflow-y: auto;
  border-top: 0;
}
#overlay-ampliada .card-back h2 {
  font-size: 30px;
  margin-bottom: 22px;
}
#overlay-ampliada .card-back p {
  font-size: 14px;
  line-height: 1.7;
}

/* ===== ANIMACIONES ========================================== */
.card-animada {
  animation: entradaCarta 0.55s cubic-bezier(0.4, 0.0, 0.2, 1);
}

@keyframes entradaCarta {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.92);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes zoomInOverlay {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Transición suave al cambiar paleta */
.card,
.card-back,
.btn,
.bandera,
.step-num,
.lente-label,
.card-meta-label,
.more-button {
  transition-property: color, background-color, border-color, box-shadow, transform;
  transition-duration: 0.45s;
  transition-timing-function: ease;
}

/* ===== RESPONSIVE =========================================== */
@media (min-width: 768px) {
  .app-header {
    padding: 22px 40px;
  }
  .logo {
    font-size: 26px;
  }
  .app-main {
    padding: 56px 40px 32px;
    max-width: 1100px;
  }
  .card {
    width: min(340px, calc(85vw - 32px));
  }
  .card-back h2 { font-size: 28px; }
  .card-back p { font-size: 14px; }
  .zona-controles {
    max-width: 1100px;
    padding: 8px 40px 80px;
  }
  .step-num { font-size: 44px; }
  .intro-texto { font-size: 20px; max-width: 42ch; }
  /* En desktop, 3 cartas horizontales caben holgadas — no necesita scroll */
  #carta-container[data-layout="horizontal"] {
    justify-content: center;
    gap: 28px;
  }
}