/* ==========================================
   base.css - Estilos base y reutilizables
   Proyecto: Super X Immersive Cards
   Optimizado para móviles con sistema de variables Negro/Oro Premium
========================================== */

/* =====================
   VARIABLES DE COLOR - PALETA NEGRO/ORO PREMIUM
===================== */
:root {
  /* Colores principales de la marca */
  --primary-gold: #FFD700;
  --primary-gold-light: #FFEB3B;
  --primary-gold-bright: #FFF700;
  --primary-gold-dark: #B8860B;
  
  /* Colores de fondo */
  --bg-primary: #121212;
  --bg-secondary: rgba(33, 33, 33, 0.95);
  --bg-tertiary: rgba(66, 66, 66, 0.95);
  --bg-overlay: rgba(0, 0, 0, 0.8);
  --bg-glass: rgba(0, 0, 0, 0.7);
  
  /* Colores de texto */
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-muted: #ddd;
  --text-subtle: #aaa;
  --text-gold: var(--primary-gold);
  
  /* Colores de borde y líneas */
  --border-gold: rgba(255, 215, 0, 0.8);
  --border-gold-light: rgba(255, 235, 59, 0.9);
  --border-gold-subtle: rgba(255, 215, 0, 0.3);
  --border-gold-faint: rgba(255, 215, 0, 0.2);
  --border-white-subtle: rgba(255, 255, 255, 0.15);
  --border-white-faint: rgba(255, 255, 255, 0.1);
  
  /* Sombras doradas */
  --shadow-gold-soft: 0 4px 15px rgba(255, 215, 0, 0.2);
  --shadow-gold-medium: 0 6px 20px rgba(255, 215, 0, 0.3);
  --shadow-gold-strong: 0 6px 20px rgba(255, 215, 0, 0.4);
  --shadow-gold-intense: 0 0 12px rgba(255, 215, 0, 0.6);
  --shadow-gold-glow: 0 0 8px rgba(255, 215, 0, 0.7);
  
  /* Sombras de texto */
  --text-shadow-dark: 0 2px 8px rgba(0, 0, 0, 0.8);
  --text-shadow-medium: 0 1px 4px rgba(0, 0, 0, 0.6);
  --text-shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.3);
  --text-shadow-gold: 0 0 15px rgba(255, 215, 0, 0.3);
  
  /* Gradientes dorados */
  --gradient-gold-horizontal: linear-gradient(90deg, var(--primary-gold) 0%, var(--primary-gold-bright) 50%, var(--primary-gold-light) 100%);
  --gradient-gold-radial: radial-gradient(circle, #fff, var(--primary-gold), transparent);
  --gradient-text-gold: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-gold) 50%, var(--text-primary) 100%);
  
  /* Colores de estado */
  --success-bg: rgba(0, 100, 0, 0.95);
  --success-border: rgba(76, 175, 80, 0.5);
  --success-text: #A5D6A7;
  --success-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
  
  --error-bg: rgba(100, 0, 0, 0.95);
  --error-border: rgba(244, 67, 54, 0.5);
  --error-text: #FFCDD2;
  --error-shadow: 0 4px 15px rgba(244, 67, 54, 0.3);
  
  /* Filtros y efectos */
  --filter-gold-glow: drop-shadow(0 0 20px rgba(255, 215, 0, 0.4));
  --filter-gold-glow-soft: drop-shadow(0 0 15px rgba(255, 215, 0, 0.3));
  --filter-gold-glow-strong: drop-shadow(0 0 25px rgba(255, 215, 0, 0.5));
  --filter-gold-text: drop-shadow(0 2px 15px rgba(255, 215, 0, 0.3));
  
  /* Backdrop filters */
  --backdrop-blur: blur(10px);
  --backdrop-blur-strong: blur(15px);
}

/* =====================
   RESET y Normalización
===================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* =====================
   BASE GENERAL
===================== */
html, 
body {
  height: 100%;
  font-family: Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden; /* Optimizado para experiencia inmersiva móvil */
}

body {
  display: flex;
  flex-direction: column;
}

/* =====================
   CONTENEDOR PRINCIPAL
===================== */
.main {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

/* =====================
   COMPONENTE LOGO
===================== */
.logo {
  display: block;
  width: 80vw;
  max-width: 300px;
  height: auto;
  object-fit: contain;
  flex-shrink: 0;
  filter: var(--filter-gold-glow);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.02);
  filter: var(--filter-gold-glow-strong);
}

/* =====================
   COMPONENTES BASE
===================== */
/* Botones base con estilo Negro/Oro */
button {
  cursor: pointer;
  background: var(--bg-secondary);
  border: 2px solid var(--border-gold);
  color: var(--text-gold);
  font: inherit;
  padding: 0.6rem 1.2rem;
  border-radius: 25px;
  transition: all 0.3s ease;
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  backdrop-filter: var(--backdrop-blur);
  box-shadow: var(--shadow-gold-soft);
}

button:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-gold-light);
  transform: scale(1.05);
  box-shadow: var(--shadow-gold-medium);
  color: var(--primary-gold-light);
}

button:active {
  transform: scale(0.95);
  box-shadow: var(--shadow-gold-soft);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Enlaces con estilo dorado */
a {
  color: var(--primary-gold);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-gold-light);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--primary-gold);
  outline-offset: 2px;
}

/* Títulos con efectos dorados */
h1 {
  font-weight: bold;
  line-height: 1.2;
  margin: 0;
  text-shadow: var(--text-shadow-dark);
}

/* Párrafos */
p {
  line-height: 1.5;
  margin: 0;
  color: var(--text-secondary);
}

/* =====================
   CLASES UTILITARIAS DE COLOR
===================== */
.text-gold { color: var(--text-gold); }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-subtle { color: var(--text-subtle); }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-glass { background-color: var(--bg-glass); }
.bg-overlay { background-color: var(--bg-overlay); }

.border-gold { border-color: var(--border-gold); }
.border-gold-light { border-color: var(--border-gold-light); }
.border-gold-subtle { border-color: var(--border-gold-subtle); }

.shadow-gold-soft { box-shadow: var(--shadow-gold-soft); }
.shadow-gold-medium { box-shadow: var(--shadow-gold-medium); }
.shadow-gold-strong { box-shadow: var(--shadow-gold-strong); }

.filter-gold-glow { filter: var(--filter-gold-glow); }
.filter-gold-glow-strong { filter: var(--filter-gold-glow-strong); }

/* =====================
   EFECTOS Y TRANSICIONES
===================== */
.fade-effect {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: black;
  opacity: 0;
  z-index: 1000;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.fade-effect.active {
  opacity: 1;
}

/* Animaciones base con colores dorados */
@keyframes pulseGold {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.2);
  }
}

@keyframes glowGold {
  0% {
    filter: var(--filter-gold-glow-soft);
  }
  100% {
    filter: var(--filter-gold-glow-strong);
  }
}

@keyframes shimmerGold {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* =====================
   RESPONSIVE BASE
===================== */
@media (max-width: 768px) {
  .logo {
    width: 85vw;
  }
  
  button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  button {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }
}

/* =====================
   MODO OSCURO (ya optimizado)
===================== */
@media (prefers-color-scheme: dark) {
  /* Los estilos ya están optimizados para modo oscuro */
}

/* =====================
   ACCESIBILIDAD
===================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .fade-effect {
    transition-duration: 0.01ms;
  }
  
  .logo {
    transition: none !important;
  }
}

/* Mejora de contraste para mejor legibilidad */
@media (prefers-contrast: high) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #ffffff;
    --text-muted: #ffffff;
    --border-gold: rgba(255, 215, 0, 1);
    --border-gold-light: rgba(255, 235, 59, 1);
  }

}