/* ==============================================
   AUTH.CSS - Authentification OukiWeb
   ============================================== */

/* Variables spécifiques auth (hérite du système OukiWeb) */
:root {
  --ow-auth-container: color-mix(in oklab, var(--ow-bg-secondary) 95%, transparent);
  --ow-auth-input-bg: color-mix(in oklab, var(--ow-bg) 80%, transparent);
  --ow-auth-input-focus: color-mix(in oklab, var(--ow-bg) 90%, transparent);
  --ow-auth-particles: radial-gradient(circle at 20% 20%, color-mix(in oklab, var(--ow-primary) 10%, transparent) 0%, transparent 50%),
                       radial-gradient(circle at 80% 80%, color-mix(in oklab, var(--ow-accent) 8%, transparent) 0%, transparent 50%);
  --ow-focus-ring: 0 0 0 3px color-mix(in oklab, var(--ow-primary) 10%, transparent),
                   0 8px 25px color-mix(in oklab, var(--ow-primary) 15%, transparent);
}

/* Page d'authentification OukiWeb */
body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  font-family: var(--font-secondary);
  background: var(--ow-bg);
  background-image: var(--ow-gradient-radial);
}

/* Effet de particules OukiWeb */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: var(--ow-auth-particles);
  animation: ow-float 20s ease-in-out infinite;
  z-index: -1;
}

@keyframes ow-float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

/* Container principal OukiWeb */
.container {
  background: var(--ow-auth-container);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  max-width: 450px;
  width: 90%;
  box-shadow: var(--shadow), var(--shadow-glow);
  border: 1px solid var(--ow-glass-border);
  backdrop-filter: var(--blur);
  position: relative;
  overflow: hidden;
  animation: ow-slideInUp 0.6s ease-out;
}

.container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: var(--ow-edge-gradient);
  opacity: 0.9;
}

.container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ow-gradient-primary);
  border-radius: var(--radius) var(--radius) 0 0;
}

/* Header spécialisé connexion OukiWeb */
.header {
  background: transparent;
  border: none;
  backdrop-filter: none;
  box-shadow: none;
  padding: 0;
  margin-bottom: 2.5rem;
  text-align: center;
  border-radius: 0;
  position: relative;
}

.header::before,
.header::after {
  display: none;
}

.company-info {
  margin-bottom: 0;
}

.company-name {
  font-family: var(--font-primary);
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  background: var(--ow-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  position: relative;
}

.company-name::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--ow-gradient-primary);
  border-radius: 2px;
  animation: ow-underline-pulse 2s ease-in-out infinite;
}

@keyframes ow-underline-pulse {
  0%, 100% { opacity: 0.8; width: 60px; }
  50% { opacity: 1; width: 80px; }
}

.tagline {
  font-size: 1.1rem;
  color: var(--ow-text-secondary);
  font-weight: 400;
  margin: 0;
  opacity: 0.9;
}

/* Formulaire d'accès OukiWeb */
.access-form {
  margin: 0 0 2.5rem 0;
}

.access-form h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--ow-text);
  position: relative;
}

.access-form h2::after {
  content: '🔐';
  display: block;
  font-size: 2rem;
  margin-top: 0.5rem;
  opacity: 0.7;
  animation: ow-icon-glow 3s ease-in-out infinite;
}

@keyframes ow-icon-glow {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.05); opacity: 0.9; }
}

.access-form input {
  width: 100%;
  padding: 1.2rem 1.5rem;
  background: var(--ow-auth-input-bg);
  border: 2px solid var(--ow-glass-border);
  border-radius: var(--radius-sm);
  color: var(--ow-text);
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
  backdrop-filter: blur(8px);
  position: relative;
}

.access-form input:focus {
  outline: none;
  border-color: var(--ow-primary);
  background: var(--ow-auth-input-focus);
  box-shadow: var(--ow-focus-ring);
  transform: translateY(-2px);
}

.access-form input::placeholder {
  color: var(--ow-muted);
}

.access-form button {
  width: 100%;
  padding: 1.2rem 1.5rem;
  background: var(--ow-gradient-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  animation: ow-btn-pulse 3s ease-in-out infinite;
}

.access-form button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -2px;
  right: -2px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  opacity: 0.7;
}

.access-form button:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow), 0 15px 35px color-mix(in oklab, var(--ow-primary) 40%, transparent);
  background: linear-gradient(135deg, var(--ow-accent), var(--ow-primary));
}

.access-form button:active {
  transform: translateY(-1px) scale(0.98);
}

/* Messages OukiWeb */
.error {
  background: color-mix(in oklab, #EF4444 10%, var(--ow-glass-bg));
  color: #FEF2F2;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid color-mix(in oklab, #EF4444 30%, transparent);
  margin-top: 1rem;
  backdrop-filter: blur(8px);
  position: relative;
  animation: ow-shake 0.5s ease-in-out;
}

.error::before {
  content: '⚠️ ';
  margin-right: 0.5rem;
}

.error::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in oklab, #EF4444 50%, transparent), transparent);
  opacity: 0.6;
}

.success {
  background: color-mix(in oklab, var(--ow-primary) 10%, var(--ow-glass-bg));
  color: #F0FDF4;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid var(--ow-border-accent);
  margin-top: 1rem;
  backdrop-filter: blur(8px);
  position: relative;
  animation: ow-success-glow 0.6s ease-out;
}

.success::before {
  content: '✓ ';
  margin-right: 0.5rem;
}

.success::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 0;
  height: 1px;
  background: var(--ow-edge-gradient);
  opacity: 0.6;
}

@keyframes ow-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

@keyframes ow-success-glow {
  0% { 
    opacity: 0; 
    transform: translateY(10px) scale(0.95); 
    box-shadow: none;
  }
  100% { 
    opacity: 1; 
    transform: translateY(0) scale(1);
    box-shadow: 0 0 20px color-mix(in oklab, var(--ow-primary) 15%, transparent);
  }
}

/* Footer modernisé OukiWeb */
.footer {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  text-align: center;
  margin-top: 2rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ow-border-accent), transparent);
  opacity: 0.6;
}

.footer p {
  color: var(--ow-muted);
  font-size: 0.85rem;
  margin: 0;
  opacity: 0.8;
}

/* Espaces clients OukiWeb */
.client-space {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.client-header {
  text-align: center;
  margin-bottom: calc(var(--spacing-lg) * 1.5);
}

.client-name {
  color: var(--ow-primary);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-primary);
  font-weight: 700;
  text-shadow: 0 0 20px color-mix(in oklab, var(--ow-primary) 20%, transparent);
}

.documents-grid {
  display: grid;
  gap: var(--spacing);
  margin-bottom: calc(var(--spacing-lg) * 1.5);
}

.document-card {
  background: var(--ow-glass-bg);
  backdrop-filter: blur(15px) saturate(140%);
  border-radius: var(--radius);
  padding: var(--spacing);
  border: 1px solid var(--ow-glass-border);
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow);
}

.document-card::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 0;
  height: 1px;
  background: var(--ow-edge-gradient);
  opacity: 0.6;
}

.document-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow), 0 0 25px color-mix(in oklab, var(--ow-primary) 15%, transparent);
  backdrop-filter: blur(20px) saturate(160%);
  border-color: var(--ow-border-accent);
}

.doc-link {
  color: var(--ow-text);
  text-decoration: none;
  display: block;
}

.doc-title {
  font-size: 1.2rem;
  font-weight: 600;
  font-family: var(--font-primary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--ow-text);
  transition: var(--transition);
}

.document-card:hover .doc-title {
  color: var(--ow-accent);
  transform: translateX(4px);
}

.doc-info {
  color: var(--ow-text-secondary);
  font-size: 0.9rem;
}

.back-link {
  text-align: center;
}

.back-link a {
  color: var(--ow-primary);
  text-decoration: none;
  padding: 0.8rem 2rem;
  border: 2px solid var(--ow-primary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-block;
  font-weight: 600;
  font-family: var(--font-primary);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.back-link a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--ow-gradient-primary);
  transition: var(--transition);
  z-index: -1;
}

.back-link a:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.back-link a:hover::before {
  left: 0;
}

/* Animations d'entrée */
.container {
  animation: ow-slideInUp 0.6s ease-out;
}

@keyframes ow-slideInUp {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Responsive Mobile Optimisé */
@media (max-width: 480px) {
  .container {
    padding: 1.5rem 1rem;
    width: calc(100% - 2rem);
    margin: 1rem;
    backdrop-filter: blur(12px) saturate(110%);
    max-width: none;
  }
  
  .company-name {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .access-form input,
  .access-form button {
    padding: 0.9rem 1rem;
    font-size: 1rem;
    border-radius: 8px;
  }
  
  .client-space {
    padding: 1rem;
  }
  
  .client-name {
    font-size: 1.4rem;
    line-height: 1.3;
  }

  .document-card {
    backdrop-filter: blur(8px) saturate(110%);
    padding: 1rem;
  }

  .back-link a {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }

  /* Désactiver effets coûteux sur mobile */
  .container,
  .access-form input,
  .document-card,
  .error,
  .success {
    backdrop-filter: blur(8px) saturate(100%) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
  }

  .document-card:hover,
  .access-form input:focus {
    backdrop-filter: blur(10px) saturate(110%) !important;
    transform: none !important;
  }

  .access-form button:hover {
    transform: translateY(-1px) !important;
  }

  /* Touch targets minimum 44px */
  .access-form button,
  .back-link a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Performance optimizations */
.container,
.access-form button,
.document-card,
.back-link a {
  will-change: transform;
}

/* Fallback Support */
@supports not (backdrop-filter: blur(1px)) {
  .container,
  .access-form input,
  .document-card,
  .error,
  .success {
    background: var(--ow-card);
    border-color: var(--ow-border);
  }
  
  body::before {
    background: none;
  }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  body::before {
    animation: none;
  }
}

/* Focus visible pour navigation clavier */
.access-form input:focus-visible,
.access-form button:focus-visible,
.back-link a:focus-visible {
  outline: 2px solid var(--ow-primary);
  outline-offset: 2px;
}

/* États actifs tactiles */
@media (hover: none) and (pointer: coarse) {
  .access-form button:active {
    transform: scale(0.95);
  }
  
  .document-card:active {
    transform: translateY(-2px) scale(0.98);
  }
}