/* ============================================================
   styles.css — Tema de Boda Premium
   ============================================================
   Paleta: Dorado, Crema, Gris Oscuro, Blush
   Tipografía: Playfair Display (serif) + Inter (sans-serif)
   Efectos: Glassmorphism, gradientes, micro-animaciones
   ============================================================ */

/* ---- CSS Custom Properties (Design Tokens) ---- */
:root {
  /* Colors */
  --color-bg-deep: #FAF8F5;
  /* Fondo marfil mate de la invitación */
  --color-bg-surface: #ffffff;
  /* Superficie de tarjetas */
  --color-bg-card: rgba(255, 255, 255, 0.85);
  /* Tarjetas semi-transparentes */

  --color-crimson: #bd2735;
  /* Rojo carmín del corazón de la portada */
  --color-crimson-light: #e65564;
  --color-crimson-dark: #8c1621;

  /* Alias para compatibilidad con selectores CSS existentes */
  --color-gold: var(--color-crimson);
  --color-gold-light: var(--color-crimson-light);
  --color-gold-dark: var(--color-crimson-dark);

  --color-cream: #f4efeb;
  /* Color de contraste */
  --color-blush: #fcdbdc;
  --color-text-primary: #2b2725;
  /* Carbón elegante de la invitación */
  --color-text-secondary: #5c5652;
  /* Gris topo atenuado */
  --color-text-muted: #a39c97;
  --color-success: #4e8c61;
  --color-error: #bd2735;
  --color-warning: #d99a26;

  /* Gradients */
  --gradient-gold: linear-gradient(135deg, var(--color-crimson-dark), var(--color-crimson), var(--color-crimson-light));
  --gradient-bg: linear-gradient(180deg, #FAF8F5 0%, #F5F1E9 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.8));

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-glow: 0 0 30px rgba(188, 39, 53, 0.08);
  --shadow-card: 0 8px 32px rgba(92, 86, 82, 0.06);
  --shadow-btn: 0 4px 20px rgba(188, 39, 53, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--gradient-bg);
  color: var(--color-text-primary);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Screen-reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Particles Canvas (Background) ---- */
#particles-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ---- Glass Effect ---- */
.glass {
  background: var(--gradient-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(188, 39, 53, 0.08);
  box-shadow: var(--shadow-card);
}

/* ---- App Container ---- */
.app-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100dvh;
  padding: var(--space-md) var(--space-sm);
  max-width: 480px;
  margin: 0 auto;
}

/* ---- Hero Section ---- */
.hero {
  text-align: center;
  padding: 0 0 var(--space-sm);
  animation: fadeInUp 1s var(--transition-base);
}

/* Portada de invitación de boda interactiva / visual */
.invitation-card {
  position: relative;
  width: 140px;
  height: 125px;
  margin: 0 auto var(--space-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

.invitation-card__heart {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(188, 39, 53, 0.15));
}

.invitation-card__letter {
  position: absolute;
  top: 48%;
  transform: translateY(-50%);
  font-family: 'Pinyon Script', cursive;
  font-size: 2.8rem;
  color: var(--color-text-primary);
  font-weight: normal;
  pointer-events: none;
  text-shadow: 1px 1px 0px rgba(255, 255, 255, 0.8);
}

.invitation-card__letter--left {
  left: 20%;
}

.invitation-card__letter--right {
  right: 20%;
}

.hero__ornament {
  font-size: 1rem;
  color: var(--color-crimson);
  letter-spacing: 0.6em;
  opacity: 0.5;
  margin-top: var(--space-sm);
  animation: sparkle 3s ease-in-out infinite;
}

.hero__date {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  border-bottom: 1px double rgba(188, 39, 53, 0.15);
  display: inline-block;
  padding-bottom: var(--space-xs);
}

.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  line-height: 0.95;
  margin-top: var(--space-xs);
}

.hero__name {
  font-family: 'Alex Brush', cursive;
  font-weight: normal;
  font-size: clamp(3.2rem, 11vw, 4.4rem);
  color: var(--color-crimson-dark);
}

.hero__ampersand {
  font-family: 'Alex Brush', cursive;
  font-size: clamp(2rem, 7vw, 2.8rem);
  color: var(--color-crimson);
  opacity: 0.85;
  margin: var(--space-xs) 0;
}

.hero__subtitle {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  letter-spacing: 0.05em;
  font-style: italic;
}

/* ---- Capture Section ---- */
.capture-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  animation: fadeInUp 1s 0.2s both;
}

.capture-buttons-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-xl);
  width: 100%;
  margin-top: var(--space-md);
}

.capture-btn-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

/* Main Capture Button */
.capture-btn {
  position: relative;
  width: 100px;
  height: 100px;
  border: none;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.capture-btn__ring {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  border: 2px solid rgba(188, 39, 53, 0.2); /* Borde carmín suave por defecto */
  opacity: 0.8;
  transition: var(--transition-base);
}

.capture-btn__inner {
  position: absolute;
  inset: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.85); /* Fondo glassmorphic semi-transparente */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
  box-shadow: 0 4px 16px rgba(92, 86, 82, 0.05);
  border: 1px solid rgba(188, 39, 53, 0.08);
}

.capture-btn__icon {
  width: 32px;
  height: 32px;
  color: var(--color-crimson); /* Icono carmín suave por defecto */
  transition: var(--transition-base);
}

.capture-btn:hover .capture-btn__ring {
  transform: scale(1.08);
  border-color: var(--color-crimson);
}

.capture-btn:hover .capture-btn__inner {
  transform: scale(1.04);
  background: rgba(255, 255, 255, 0.95);
}

.capture-btn:active .capture-btn__inner {
  transform: scale(0.92);
  transition: var(--transition-fast);
}

/* Pulse animation when idle */
.capture-btn__ring {
  animation: captureRingPulse 3s ease-in-out infinite;
}

/* Estilos específicos más suaves para Foto y Vídeo (Ambos en Rojo Carmín unificado) */
#btn-photo .capture-btn__ring,
#btn-video .capture-btn__ring {
  border-color: rgba(188, 39, 53, 0.25);
}

#btn-photo .capture-btn__inner,
#btn-video .capture-btn__inner {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(188, 39, 53, 0.08);
}

#btn-photo .capture-btn__icon,
#btn-video .capture-btn__icon {
  color: var(--color-crimson);
}

#btn-photo:hover .capture-btn__ring,
#btn-video:hover .capture-btn__ring {
  border-color: var(--color-crimson);
}

.capture-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* Gallery Button */
.gallery-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid rgba(188, 39, 53, 0.15);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  cursor: pointer;
  transition: var(--transition-base);
  -webkit-tap-highlight-color: transparent;
  outline: none;
  margin-top: var(--space-sm);
}

.gallery-btn__icon {
  width: 18px;
  height: 18px;
}

.gallery-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(188, 39, 53, 0.05);
}

.gallery-btn:active {
  transform: scale(0.96);
}

/* ---- Queue Section ---- */
.queue-section {
  width: 100%;
  padding: 0 0 var(--space-md);
  animation: fadeInUp 0.4s ease;
}

.queue-section[hidden] {
  display: none;
}

.queue-card {
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  overflow: hidden;
}

.queue-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.queue-card__spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(188, 39, 53, 0.15);
  border-top-color: var(--color-gold);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.queue-card__text {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-crimson);
}

.queue-card__progress-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--space-sm);
}

.queue-card__progress-bar {
  height: 100%;
  background: var(--gradient-gold);
  border-radius: 2px;
  width: 0%;
  transition: width 0.4s ease;
}

.queue-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  max-height: 120px;
  overflow-y: auto;
}

.queue-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  animation: slideIn 0.3s ease;
}

.queue-item__status {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.queue-item__status--pending {
  background: var(--color-text-muted);
}

.queue-item__status--uploading {
  background: var(--color-warning);
  animation: pulse 1s ease-in-out infinite;
}

.queue-item__status--done {
  background: var(--color-success);
}

.queue-item__status--failed {
  background: var(--color-error);
}

.queue-item__name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-item__retries {
  font-size: 0.7rem;
  color: var(--color-warning);
  opacity: 0.8;
}

.queue-item__download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  color: var(--color-gold);
  background: rgba(221, 166, 88, 0.08);
  border: 1px solid rgba(221, 166, 88, 0.2);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  flex-shrink: 0;
}

.queue-item__download:hover {
  background: rgba(221, 166, 88, 0.16);
  border-color: var(--color-gold);
}

.queue-item__download svg {
  width: 14px;
  height: 14px;
}

/* ---- Toast Notifications ---- */
.toast-container {
  position: fixed;
  top: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 90%;
  max-width: 400px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: toastIn 0.4s ease, toastOut 0.4s ease 3s forwards;
  pointer-events: auto;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.toast--success {
  background: rgba(107, 203, 119, 0.15);
  border: 1px solid rgba(107, 203, 119, 0.3);
  color: var(--color-success);
}

.toast--error {
  background: rgba(255, 107, 107, 0.15);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: var(--color-error);
}

.toast__icon {
  font-size: 1rem;
  flex-shrink: 0;
}

/* ---- Album Section ---- */
.album-section {
  width: 100%;
  padding: var(--space-sm) 0 var(--space-md);
  animation: fadeInUp 1s 0.4s both;
}

.album-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: fit-content;
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  border: 1px solid rgba(188, 39, 53, 0.2);
  border-radius: var(--radius-md);
  background: rgba(188, 39, 53, 0.04);
  color: var(--color-crimson);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-base);
  -webkit-tap-highlight-color: transparent;
}

.album-btn__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.album-btn__arrow {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.5;
  transition: var(--transition-base);
}

.album-btn:hover {
  background: rgba(188, 39, 53, 0.08);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-glow);
}

.album-btn:hover .album-btn__arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}

.album-btn:active {
  transform: scale(0.98);
}

/* ---- Footer ---- */
.footer {
  padding: var(--space-md) 0 var(--space-sm);
  text-align: center;
  animation: fadeInUp 1s 0.6s both;
}

.footer p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ---- Keyframe Animations ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes captureRingPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.06);
    opacity: 0.5;
  }
}

@keyframes sparkle {

  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 0.3;
    transform: scale(0.95);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(-16px);
  }
}

/* Flash effect when photo is captured */
.capture-flash {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.6);
  z-index: 999;
  animation: flash 0.3s ease-out forwards;
  pointer-events: none;
}

@keyframes flash {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

/* ---- Responsive ---- */
@media (min-width: 600px) {

  .capture-btn {
    width: 120px;
    height: 120px;
  }

  .capture-btn__inner {
    inset: 10px;
  }

  .capture-btn__icon {
    width: 38px;
    height: 38px;
  }
}

@media (min-width: 1024px) {
  .app-container {
    max-width: 540px;
  }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  #particles-canvas {
    display: none;
  }
}

/* ---- All done state ---- */
.queue-card--done .queue-card__spinner {
  border-color: var(--color-success);
  border-top-color: var(--color-success);
  animation: none;
}

.queue-card--done .queue-card__text {
  color: var(--color-success);
}

/* ---- Camera Viewfinder Overlay Removed ---- */