/* Identidad de DeCita (decitajuego.com) */
:root {
  --fondo: #060606;
  --fondo-2: #0E0E0E;
  --fondo-3: #141414;
  --linea: #1C1C1C;
  --magenta: #C8005A;
  --magenta-vivo: #E0006A;
  --oro: #EDD36F;
  --crema: #F2EDE9;
  --apagado: #7A7A7A;
  --gris-input: #3A3A3A;
  --papel: #FFFDF7;
  --sobre: #F7F3EF;
  --sobre-dentro: #D9D2CB;
  --solapa: #ECE6E0;
  --sombra-cta: 0 10px 28px rgba(0, 0, 0, 0.5), 0 10px 24px rgba(200, 0, 90, 0.4);
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Instrument Sans", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--fondo) linear-gradient(155deg, rgba(200, 0, 90, 0.09) 0%, rgba(200, 0, 90, 0) 45%, rgba(200, 0, 90, 0.05) 80%) fixed;
  color: var(--crema);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}
button { font: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }
em { font-style: italic; color: var(--magenta); }

.app { max-width: 480px; margin: 0 auto; padding: 20px 20px 40px; min-height: 100dvh; display: flex; flex-direction: column; }

/* cabecera */
.cabecera { display: flex; justify-content: space-between; align-items: center; height: 44px; }
.logo { height: 26px; width: auto; display: block; }
.salir { background: none; border: 0; font-size: 14px; color: var(--apagado); padding: 8px 0; }

.pantalla { flex: 1; padding-top: 6vh; animation: entra 0.5s ease both; }
.pantalla.centro { display: flex; flex-direction: column; justify-content: center; padding-top: 0; }
@keyframes entra { from { opacity: 0; transform: translateY(12px); } }

/* la etiqueta con el punto dorado, como en la web */
.antetitulo {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px; padding: 6px 12px 6px 10px; border-radius: 999px;
  border: 1px solid rgba(237, 211, 111, 0.35); background: rgba(0, 0, 0, 0.3);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--oro);
}
.antetitulo i { width: 7px; height: 7px; border-radius: 50%; background: var(--oro); box-shadow: 0 0 8px rgba(237, 211, 111, 0.8); }
.titulo { font-family: var(--serif); font-weight: 400; font-size: clamp(52px, 15vw, 72px); line-height: 0.95; letter-spacing: -0.02em; margin: 0 0 18px; }
.sub { font-size: 17px; line-height: 1.45; margin: 0 0 32px; color: rgba(242, 237, 233, 0.75); }
.sub b { color: var(--crema); }
.cursor { display: inline-block; width: 9px; height: 1.1em; background: var(--magenta); vertical-align: -3px; margin-left: 4px; animation: parpadea 1s steps(1) infinite; }
@keyframes parpadea { 50% { opacity: 0; } }

/* formularios */
.formulario { display: flex; flex-direction: column; gap: 12px; }
.campo { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 500; color: rgba(242, 237, 233, 0.75); }
.campo input {
  height: 52px; border: 0; border-radius: 999px; background: #fff; padding: 0 20px;
  font: 500 16px var(--sans); color: var(--gris-input); outline: none; transition: box-shadow 0.2s;
}
.campo input:focus { box-shadow: 0 0 0 3px rgba(200, 0, 90, 0.55); }
.check { display: flex; gap: 10px; align-items: center; font-size: 14px; color: rgba(242, 237, 233, 0.85); }
.check input { width: 20px; height: 20px; accent-color: var(--magenta); margin: 0; }
.enlace { background: none; border: 0; padding: 0; text-decoration: underline; text-underline-offset: 3px; }

.boton {
  height: 52px; border: 0; border-radius: 999px; background: var(--magenta); color: #fff; box-shadow: var(--sombra-cta);
  font-weight: 600; font-size: 15px; width: 100%; margin-top: 8px; transition: transform 0.15s, opacity 0.2s, background 0.2s;
}
.boton:hover { background: var(--magenta-vivo); }
.boton:active { transform: scale(0.98); }
.boton:disabled { opacity: 0.6; }
.boton.fantasma { background: transparent; color: var(--crema); border: 1px solid rgba(242, 237, 233, 0.4); box-shadow: none; }
.error { color: #FF6B8F; font-weight: 500; font-size: 14px; min-height: 1em; margin: 4px 0 0; }

/* contador */
.contador { font-family: var(--serif); font-weight: 400; font-size: clamp(120px, 40vw, 180px); line-height: 0.8; letter-spacing: -0.03em; margin: 0 0 18px; }
.contador small { font-size: 0.34em; margin-left: 6px; color: var(--apagado); }
.tu-tiempo { margin: 0 0 14px; font-family: var(--mono); font-size: 13px; color: var(--apagado); }
.tu-tiempo b { font-size: 15px; color: var(--oro); font-weight: 500; }
.instrucciones {
  display: inline-block; margin: 0 0 28px; color: var(--oro); font-weight: 600; font-size: 14px;
  text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px;
}

/* el código */
.codigo { margin-bottom: 44px; }
.codigo-etiqueta { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; color: var(--apagado); }
.codigo-caja {
  display: flex; align-items: center; height: 60px; background: #fff; border-radius: 999px; padding: 0 24px;
  font-family: var(--mono); font-size: clamp(20px, 6.4vw, 25px); font-weight: 500; color: var(--fondo); transition: box-shadow 0.2s;
}
.codigo-caja:focus-within { box-shadow: 0 0 0 3px rgba(200, 0, 90, 0.55); }
.codigo-caja.mal { box-shadow: 0 0 0 3px #FF6B8F; }
.codigo-caja input {
  flex: 1; min-width: 0; background: none; border: 0; outline: none; color: var(--fondo); font: inherit; text-align: center;
  letter-spacing: 0.14em; caret-color: var(--magenta); text-transform: uppercase; padding: 0;
}
.codigo-caja input::placeholder { color: #C9C4BF; }
.sacude { animation: sacude 0.4s; }
@keyframes sacude { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }

.completado {
  display: flex; flex-direction: column; gap: 4px; background: var(--fondo-3); border: 1px solid rgba(200, 0, 90, 0.5); border-radius: 20px;
  padding: 20px; margin-bottom: 32px; font-size: 15px; line-height: 1.45; box-shadow: 0 10px 30px rgba(200, 0, 90, 0.18);
}
.completado b { font-family: var(--serif); font-weight: 400; font-size: 40px; line-height: 1; color: var(--oro); margin-bottom: 6px; }
#hora-final { font-family: var(--mono); color: var(--oro); }

.seccion { font-family: var(--serif); font-weight: 400; font-size: 38px; letter-spacing: -0.01em; margin: 0 0 4px; }

/* los sobres */
.sobres { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.sobre { padding-top: 40%; }
.sobre-dentro { position: relative; aspect-ratio: 1.5; perspective: 700px; filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.6)); }
.sobre-fondo { position: absolute; inset: 0; background: var(--sobre-dentro); border-radius: 6px; }
.papel {
  position: absolute; left: 7%; right: 7%; top: 5%; height: 90%; z-index: 2; background: var(--papel); border-radius: 4px; color: var(--fondo);
  padding: 6% 8% 0; transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.3, 1.15) 0.35s;
}
.papel p { margin: 0; text-align: center; font-family: var(--serif); font-size: clamp(13px, 3.9vw, 17px); line-height: 1.05; text-wrap: balance; }
.dibujo {
  display: block; text-align: center; font-style: normal; line-height: 1; font-size: clamp(20px, 6.4vw, 28px); margin-bottom: 3px;
  transform: scale(0); transition: transform 0.5s cubic-bezier(0.3, 1.6, 0.5, 1) 0.85s;
}
.sobre-frente {
  position: absolute; inset: 0; z-index: 3; background: var(--sobre); border-radius: 6px;
  clip-path: polygon(0 22%, 50% 64%, 100% 22%, 100% 100%, 0 100%);
  display: flex; align-items: flex-end; justify-content: center; padding-bottom: 5%;
}
.num { position: relative; font-family: var(--serif); font-size: clamp(26px, 8vw, 36px); line-height: 0.9; color: var(--fondo); transition: color 0.3s ease 1s; }
.solapa {
  position: absolute; left: 0; right: 0; top: 0; height: 67%; z-index: 4; background: var(--solapa);
  clip-path: polygon(0 0, 100% 0, 50% 100%); transform-origin: top; border-radius: 6px 6px 0 0;
  transition: transform 0.45s ease, z-index 0s linear 0.22s;
}

.sobre.abierto .solapa { transform: rotateX(180deg); z-index: 1; }
.sobre.abierto .papel { transform: translateY(-58%); }
.sobre.abierto .dibujo { transform: scale(1); }
.sobre.abierto .num { color: var(--magenta); }
.sobre:not(.abierto) .papel { visibility: hidden; }
.sobre.listo .sobre-dentro { animation: late 2.4s ease-in-out infinite; }
.sobre.listo .sobre-dentro::after { content: ""; position: absolute; inset: -3px; border-radius: 8px; box-shadow: 0 0 0 2px var(--oro), 0 0 18px rgba(237, 211, 111, 0.45); pointer-events: none; }
@keyframes late { 0%, 80%, 100% { transform: rotate(0); } 85% { transform: rotate(-2.5deg); } 90% { transform: rotate(2.5deg); } 95% { transform: rotate(-1deg); } }

.sobre-pie { margin: 10px 0 0; font-family: var(--mono); font-size: 10.5px; color: var(--apagado); text-align: center; line-height: 1.35; }
.sobre-pie b { color: var(--oro); font-weight: 500; }
.pie-codigo { display: inline-block; background: var(--fondo-3); border: 1px solid #2A2A2A; color: var(--crema); font-weight: 500; font-size: 12px; letter-spacing: 0.1em; padding: 4px 10px; border-radius: 999px; }

/* pie */
.pie { margin-top: 48px; display: flex; flex-direction: column; gap: 6px; font-size: 11px; color: var(--apagado); }
.pie .enlace { align-self: flex-start; color: var(--crema); font-size: 13px; }

/* aviso */
.aviso {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 140%); background: var(--magenta); color: #fff; box-shadow: var(--sombra-cta);
  padding: 14px 22px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.2);
  white-space: nowrap; z-index: 20; opacity: 0; visibility: hidden;
}
.aviso.visto { transform: translate(-50%, 0); opacity: 1; visibility: visible; }

/* bases */
.bases { border: 1px solid var(--linea); border-radius: 20px; max-width: min(440px, calc(100vw - 32px)); padding: 24px; background: var(--fondo-2); color: var(--crema); }
.bases::backdrop { background: rgba(0, 0, 0, 0.7); }
.bases h2 { margin: 0 0 8px; font-family: var(--serif); font-weight: 400; font-size: 34px; }
.bases ul { padding-left: 18px; font-size: 14px; line-height: 1.5; color: rgba(242, 237, 233, 0.85); }

/* barra del prototipo */
.demo {
  position: sticky; top: 0; z-index: 30; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: center;
  background: #000; border-bottom: 1px solid var(--linea); color: var(--crema); font: 500 12px var(--mono); padding: 8px 12px;
}
.demo span { color: var(--oro); font-weight: 700; }
.demo a { color: var(--crema); }
.demo button { background: none; border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 999px; padding: 3px 10px; font-size: 12px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
}

.nota { margin: 6px 0 0; font-size: 13px; line-height: 1.45; color: var(--apagado); text-align: center; }
.acciones-correo { margin: 18px 0 0; text-align: center; font-size: 14px; color: var(--apagado); }
.acciones-correo .enlace { color: var(--crema); }
#acceso { letter-spacing: 0.35em; }