/* === RESET ET OPTIMISATIONS DE BASE === */
@import url('./call.css');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === VARIABLES CSS OPTIMISÉES === */
:root {
  /* Couleurs principales */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-input: #222222;
  --bg-input-focus: #2a2a2a;
  
  /* Accent rose-violet */
  --accent: #e879f9;
  --accent-hover: #d946ef;
  --accent-light: rgba(232, 121, 249, 0.1);
  --accent-glow: rgba(232, 121, 249, 0.3);
  
  /* Texte */
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;
  
  /* Bordures */
  --border: #2a2a2a;
  --border-focus: var(--accent);
  
  /* États */
  --success: #22c55e;
  --error: #ef4444;
  
  /* Espacement */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Bordures arrondies */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  
  /* Ombres optimisées */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px var(--accent-glow);
  
  /* Timing des animations */
  --duration-fast: 0.15s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
  
  /* Courbes d'animation optimisées */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* === BASE OPTIMISÉE === */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  height: 100dvh;
  width: 100dvw;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden; /* Prévient les débordements pendant les transitions */
  
  /* Optimisations navigateur */
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

body::-webkit-scrollbar {
  width: 2px;
  height: 0;
}

body::-webkit-scrollbar-track {
  background: transparent;
}

body::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 1px;
}

/* === APP ROOT ULTRA-OPTIMISÉ === */
main#app-root {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  
  /* Optimisations GPU */
  transform: translateZ(0);
  will-change: contents;
  contain: layout style paint;
  
  /* Performance des transitions */
  transition: none; /* Désactivé par défaut, activé par JS */
}

main#app-root:focus-visible {
  outline: none;
}

/* === TRANSITIONS ROUTER ULTRA-FLUIDES === */
.router-page-transition {
  /* Accélération matérielle forcée */
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  perspective: 1000px;
  will-change: transform, opacity;
  
  /* Optimisations navigateur */
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-font-smoothing: subpixel-antialiased;
}

/* Animations d'entrée ultra-rapides */
@keyframes slideInRight {
  0% {
    transform: translate3d(100%, 0, 0) scale(0.98);
    opacity: 0;
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 1;
  }
}

@keyframes slideInLeft {
  0% {
    transform: translate3d(-100%, 0, 0) scale(0.98);
    opacity: 0;
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 1;
  }
}

@keyframes slideOutLeft {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate3d(-100%, 0, 0) scale(0.98);
    opacity: 0;
  }
}

@keyframes fadeInUp {
  0% {
    transform: translate3d(0, 30px, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

/* Classes de transition dynamiques */
.router-slide-enter {
  animation: slideInRight var(--duration-normal) var(--ease-out) forwards;
}

.router-slide-exit {
  animation: slideOutLeft var(--duration-normal) var(--ease-out) forwards;
}

.router-fade-enter {
  animation: fadeInUp var(--duration-fast) var(--ease-out) forwards;
}

/* Transitions spécifiques par page */
.page-auth {
  animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.page-main {
  animation: slideInRight var(--duration-normal) var(--ease-out);
}

.page-chat {
  animation: slideInRight calc(var(--duration-normal) * 0.8) var(--ease-out);
}

/* === ÉCRAN DE CHARGEMENT ULTRA-SMOOTH === */
#loading-overlay {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  inset: 0;
  background: 
    linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  
  /* Transition ultra-fluide */
  transition: 
    opacity var(--duration-slow) var(--ease-out),
    visibility var(--duration-slow) var(--ease-out),
    backdrop-filter var(--duration-slow) var(--ease-out);
  
  /* Effet de flou moderne */
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

#loading-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.loading-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: translateZ(0); /* Force GPU */
}

.loading-logo {
  position: absolute;
  width: 60px;
  height: 60px;
  z-index: 1;
  
  /* Animation de pulsation optimisée */
  animation: logoBreath 3s infinite var(--ease-in-out);
  will-change: transform;
}

#loading-percentage {
  display: flex;
  position: absolute;
  font-size: 1.3rem;
  color: var(--text-primary);
  font-weight: 600;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  z-index: 2;
  
  /* Effet glassmorphism */
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  
  /* Animation du texte */
  transition: all var(--duration-fast) var(--ease-out);
}

.progress-ring {
  transform: rotate(-90deg) translateZ(0);
  will-change: transform;
}

.progress-ring__bg {
  fill: transparent;
  stroke: var(--bg-card);
  stroke-width: 3;
  opacity: 0.3;
}

.progress-ring__circle {
  fill: transparent;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  
  /* Animation fluide de la progression */
  transition: stroke-dashoffset var(--duration-fast) var(--ease-out);
  
  /* Effet de lueur */
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

/* Animation optimisée du logo */
@keyframes logoBreath {
  0%, 100% {
    transform: scale(0.95) rotate(0deg);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.05) rotate(180deg);
    opacity: 1;
  }
}

/* === NOTIFICATIONS INTERNES OPTIMISÉES === */
#intern-notification {
  position: fixed;
  bottom: 20px;
  left: 20px;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-weight: 500;
  z-index: 9999;
  
  /* État initial */
  opacity: 0;
  visibility: hidden;
  transform: translate3d(-100%, 0, 0) scale(0.9);
  
  /* Transition ultra-fluide */
  transition: 
    opacity var(--duration-normal) var(--ease-out),
    visibility var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-bounce);
  
  /* Effet glassmorphism */
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  
  /* Ombre moderne */
  box-shadow: var(--shadow-lg);
}

#intern-notification.show {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0) scale(1);
}

#intern-notification.success {
  color: white;
  border-color: var(--success);
}

#intern-notification.error {
  color: white;
  border-color: var(--error);
}

#intern-notification.info {
  color: white;
  border-color: var(--border);
}

/* === OPTIMISATIONS MÉDIA ET IMAGES === */
img, video {
  transform: translateZ(0); /* Force GPU */
  will-change: auto;
  max-width: 100%;
  height: auto;
}

/* Optimisation du chargement d'images */
img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* === OPTIMISATIONS TACTILES === */
button, a, [role="button"] {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  
  /* Micro-interaction fluide */
  transition: 
    transform var(--duration-fast) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

button:active, a:active, [role="button"]:active {
  transform: scale(0.98);
}

/* === OPTIMISATIONS MOBILES === */
@media (max-width: 768px) {
  :root {
    /* Durées plus courtes sur mobile */
    --duration-fast: 0.1s;
    --duration-normal: 0.2s;
    --duration-slow: 0.3s;
  }
  
  .router-page-transition {
    /* Optimisations mobiles spécifiques */
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  
  #loading-overlay {
    /* Réduction des effets sur mobile pour les performances */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
}

/* === PRÉFÉRENCES D'ACCESSIBILITÉ === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .loading-logo {
    animation: none;
    transform: none;
  }
}

/* === OPTIMISATIONS HAUTE RÉSOLUTION === */
@media (min-resolution: 2dppx) {
  body {
    -webkit-font-smoothing: antialiased;
  }
}

/* === OPTIMISATIONS GPU AVANCÉES === */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform, opacity;
  backface-visibility: hidden;
  perspective: 1000px;
}