/* ============================================================
   styles.css — Frontend público, mobile-first (9:16)
   Tipografías: Outfit (títulos) | Inter (cuerpo)
   Paleta: pastel saturado, cálido, nada corporativo
   ============================================================ */

/* ── Reset & Base ────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colores */
  --c-btn-primary: hsl(170, 55%, 55%);
  --c-btn-primary-hover: hsl(170, 60%, 48%);
  --c-btn-secondary: hsl(199.64deg, 50%, 43%);
  /*hsl(340, 50%, 70%);*/
  --c-btn-rechazar: hsl(0, 0%, 55%);
  --c-btn-cancelar: hsl(15, 55%, 60%);
  --c-btn-volver: hsl(170, 55%, 55%);
  --c-firma: hsl(199deg 96% 27%);
  --c-accent: hsl(170deg 100% 83.44%);
  /* hsl(45, 80%, 70%); */
  --c-text: #ffffff;
  --c-overlay-oscuro: rgba(0, 0, 0, 0.55);

  /* Tipografía */
  --ff-titulo: 'Outfit', sans-serif;
  --ff-cuerpo: 'Inter', sans-serif;

  /* Transición */
  --trans-speed: 350ms;
  --trans-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

html,
body {
  height: 100%;
  overflow: hidden;
  /* SPA: una pantalla a la vez */
  font-family: var(--ff-cuerpo);
  color: var(--c-text);
  background: #1a1a2e;
  /* fallback mientras carga la imagen */
}

/* ── Pantallas ───────────────────────────────────────────── */

.pantalla {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: self-start;
  justify-content: center;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;

  /* Estado inicial: invisible y desplazada */
  opacity: 0;
  transform: translateY(24px);
  pointer-events: none;
  transition:
    opacity var(--trans-speed) var(--trans-easing),
    transform var(--trans-speed) var(--trans-easing);
  will-change: opacity, transform;
}

.pantalla.activa {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
  z-index: 1;
}

/* Fondos por pantalla */
.pantalla--inicial {
  background: #7fcaf0 url('../img/fondo-inicial.webp') no-repeat center center fixed;
  background-size: cover;
}

.pantalla--confirmado {
  background: #7fcaf0 url('../img/fondo-confirmado.webp') no-repeat center center fixed;
  background-size: cover;
}

.pantalla--rechazo {
  background: #7fcaf0 url('../img/fondo-limpio.webp') no-repeat center center fixed;
  background-size: cover;
}

/* Pantallas apaisadas (Landscape) */
@media (orientation: landscape) {

  .pantalla--inicial,
  .pantalla--confirmado,
  .pantalla--rechazo {
    background-size: contain;
  }
}

/* Overlay semitransparente general */
.pantalla__overlay {
  position: absolute;
  inset: 0;
  background: rgb(0 196 255 / 10%);
  border-radius: 0;
  pointer-events: none;
}

/* Overlay más oscuro para pantalla de rechazo */
.pantalla__overlay--oscuro {
  background: var(--c-overlay-oscuro);
}

/* Contenido encima del overlay */
.pantalla__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 420px;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

/* ── Pantalla 1 — Invitación ─────────────────────────────── */

.invitacion__foto-wrapper {
  margin-bottom: -0.5rem;
  z-index: 2;
}

.invitacion__foto {
  width: 125px;
  height: 125px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgb(42 140 187);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  animation: float-img 4s ease-in-out infinite;
}

@keyframes float-img {

  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-6px) scale(1.02);
  }
}

.invitacion__header {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.invitacion__mensaje {
  font-family: var(--ff-titulo);
  font-size: clamp(1.5rem, 6vw, 2rem);
  font-weight: 800;
  line-height: 1.1;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  letter-spacing: -0.01em;
}

.invitacion__firma {
  font-family: var(--ff-titulo);
  font-size: clamp(1.1rem, 4.5vw, 1.4rem);
  font-weight: 600;
  color: var(--c-firma);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ── Datos del evento (compartido pantalla 1 y 2) ─────────── */

.invitacion__evento {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  width: 100%;
}

.evento__row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--ff-cuerpo);
  font-size: 0.95rem;
  font-weight: 500;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.evento__icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.evento__icon img {
  display: block;
  width: 20px;
}

.evento__link {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 200ms;
}

.evento__link:hover {
  color: #fff;
}

/* ── Botones de confirmación (generados por JS) ──────────── */

.invitacion__botones {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  width: 100%;
}

/* ── Pantalla 2 — Confirmado ─────────────────────────────── */

.confirmado__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}


.confirmado__titulo {
  font-family: var(--ff-titulo);
  font-size: clamp(1.6rem, 6.5vw, 2.2rem);
  font-weight: 800;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.confirmado__detalle {
  font-size: 1rem;
  font-weight: 400;
  opacity: 0.9;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

.confirmado__acciones {
  width: 100%;
}

/* ── Pantalla 3 — Rechazo ─────────────────────────────────── */

.rechazo__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.rechazo__emoji {
  font-size: 3.5rem;
  animation: sway 2s ease-in-out infinite;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

@keyframes sway {

  0%,
  100% {
    transform: rotate(-8deg);
  }

  50% {
    transform: rotate(8deg);
  }
}

.rechazo__titulo {
  font-family: var(--ff-titulo);
  font-size: clamp(1.3rem, 5.5vw, 1.8rem);
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.rechazo__acciones {
  width: 100%;
}

/* ── Botones ──────────────────────────────────────────────── */

.btn {
  display: block;
  width: 100%;
  min-height: 52px;
  padding: 0.85rem 1.5rem;
  border: none;
  border-radius: 50px;
  font-family: var(--ff-titulo);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition:
    transform 150ms var(--trans-easing),
    box-shadow 150ms var(--trans-easing),
    background 200ms;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Primario (confirmar todos / confirmar N) */
.btn--primario {
  background: var(--c-btn-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(45, 185, 160, 0.35);
}

.btn--primario:hover:not(:disabled) {
  background: var(--c-btn-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(45, 185, 160, 0.45);
}

/* Secundario (cantidades intermedias) */
.btn--secundario {
  background: var(--c-btn-secondary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(200, 100, 130, 0.3);
}

.btn--secundario:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 100, 130, 0.4);
}

/* Rechazar */
.btn--rechazar {
  background: rgba(0, 0, 0, 0.3);
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  font-weight: 500;
  font-size: 0.9rem;
  min-height: 44px;
}

.btn--rechazar:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
}

/* Cancelar (pantalla 2) */
.btn--cancelar {
  background: transparent;
  color: rgba(49, 49, 49, 0.7);
  border: 1px solid rgba(49, 49, 49, 0.3);
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
  min-height: 44px;
  transition: all 0.3s ease;
}

.btn--cancelar:hover:not(:disabled) {
  background: rgba(255, 80, 30, 0.2);
  border-color: rgba(255, 80, 30, 0.5);
  color: #d30909
}

/* Volver (pantalla 3) */
.btn--volver {
  background: var(--c-btn-volver);
  color: #fff;
  box-shadow: 0 4px 20px rgba(45, 185, 160, 0.35);
}

.btn--volver:hover:not(:disabled) {
  background: var(--c-btn-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(45, 185, 160, 0.45);
}

/* Loading spinner en botón */
.btn--loading {
  position: relative;
  color: transparent !important;
}

.btn--loading::after {
  content: '';
  position: absolute;
  inset: 50% auto auto 50%;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: spin 600ms linear infinite;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* ── 404 ──────────────────────────────────────────────────── */

.page-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, hsl(260, 30%, 15%) 0%, hsl(220, 30%, 12%) 100%);
  padding: 2rem;
}

.page-404__content {
  text-align: center;
  max-width: 360px;
}

.page-404__emoji {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

.page-404__title {
  font-family: var(--ff-titulo);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: #fff;
}

.page-404__msg {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
}

.page-404__sub {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ── Desktop: centrar la experiencia móvil ────────────────── */

@media (min-width: 480px) {
  .pantalla__content {
    max-width: 400px;
  }
}

@media (min-width: 768px) {

  .pantalla__content {
    max-width: 42vh;
    border-radius: 28px;
    /*margin-top: 7vh;*/
    background: rgba(0, 0, 0, 0.08);
    min-height: 480px;
    padding: 2.5rem 2rem;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  }
}

/* ── Accesibilidad: reducir movimiento ───────────────────── */
@media (prefers-reduced-motion: reduce) {

  .pantalla,
  .btn,
  .invitacion__foto,
  .rechazo__emoji,
  .page-404__emoji {
    animation: none;
    transition: none;
  }
}