/* ========================================
   D-One Authentication Components
   Design System: v2.0 - With Design Tokens
   Date: 4 September 2025
   Author: Pixel (Head of Product & UX)
   ======================================== */

/* ========================================
   AUTHENTICATION STATE MANAGEMENT
   ======================================== */

/* Initial state - hide authenticated elements */
.user-menu {
  display: none !important;
  position: relative;
  z-index: var(--z-index-dropdown);
}

/* When user is authenticated - show authenticated elements */
.authenticated .user-menu {
  display: flex !important;
}

/* When user is authenticated - hide login button */
.authenticated #login-btn {
  display: none !important;
}

/* Protected content visibility */
.protected-content {
  display: none;
}

.authenticated .protected-content {
  display: block;
}

.auth-required {
  display: block;
}

.authenticated .auth-required {
  display: none;
}

/* ========================================
   AUTHENTICATION CORE COMPONENTS
   ======================================== */

/* ========================================
   NAVBAR COMPONENTS INTEGRATION
   ======================================== */

/* Navbar Logo Icon - Ridotta come richiesto */
.navbar-logo-icon {
  color: var(--primary);
  margin-right: var(--space-2);
  font-size: 1.1rem; /* Ridotto per essere più discreto */
}

/* Navbar Menu Emoji Icons - Ridotte come richiesto */
.navbar-emoji {
  font-size: 0.9em; /* Ridotto da 1.2em a 0.9em */
  margin-right: var(--space-2);
  transition: opacity 0.2s ease;
}

/* Navbar Actions Container - Transparent with flex alignment */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
}

/* Navbar Login Container - Transparent with flex alignment */
.navbar-login {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  background: transparent;
  border: none;
  padding: 0;
  margin-left: var(--space-3);
  gap: var(--space-2);
}

/* Theme Toggle and Language Selector Buttons
   ============================================
   RIMOSSO: .btn-theme-toggle spostato in header-responsive.css
   per consolidare tutti gli stili toolbar in un unico file.
   ============================================ */

/* Language Selector Specific Styles
   ================================
   RIMOSSO: Stili .language-selector spostati in header-responsive.css
   per evitare duplicazioni. header-responsive.css è la fonte unica
   per tutti gli stili della toolbar centralizzata.
   ================================ */

/* Authentication Container */
.auth-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  z-index: var(--z-index-dropdown);
}

/* Primary Authentication Button */
.btn-auth {
  /* Layout */
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  
  /* Typography */
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  text-decoration: none;
  
  /* Visual Design */
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: none;
  
  /* Transitions */
  transition: all var(--transition-base);
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  
  /* Accessibility */
  outline: none;
  position: relative;
}

/* Authentication Button States */
.btn-auth:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.35);
  color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.btn-auth:focus {
  outline: none;
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.btn-auth:active {
  transform: translateY(0);
  transition: var(--transition-fast);
}

/* Authentication Button Icon */
.btn-auth .fas {
  font-size: var(--font-size-base);
  flex-shrink: 0;
}

/* ========================================
   USER MENU COMPONENTS
   ======================================== */

/* User Menu Toggle Button */
.user-menu-toggle {
  /* Layout */
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 6px;
  
  /* Typography */
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  
  /* Visual Design */
  background: rgba(99, 102, 241, 0.7);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: none;
  
  /* Interactions */
  cursor: pointer;
  transition: all var(--transition-base);
  outline: none;
  -webkit-user-select: none;
  user-select: none;
}

.user-menu-toggle:hover {
  background: rgba(99, 102, 241, 0.7);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.user-menu-toggle:focus {
  outline: none;
  /* Rimuoviamo border-color e box-shadow per evitare bordo rosso persistente */
  color: var(--primary-hover);
  box-shadow: none;
}

/* User Avatar */
.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white; /* White works well on gradient background */
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

/* User Menu Dropdown - Centralizzato per homepage e toolbar */
.user-menu-dropdown {
  /* Layout */
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  z-index: 9999;
  margin-top: 8px;
  
  /* Visual Design - Glass effect, ma meno trasparente per leggibilità */
  background: var(--bg-card);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.16);
  
  /* Content */
  padding: 0;
  
  /* Animation */
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  visibility: hidden;
}

/* Toolbar-specific user menu container (main-header centralizzato) */
.toolbar-user-menu {
  position: relative;
  display: none; /* Nascosto di default, mostrato quando autenticato via JS */
}

.toolbar-user-menu .user-menu-dropdown {
  /* Assicura che il dropdown sia sopra il header fisso */
  z-index: 1001;
  
  /* Posizionamento ottimizzato per header fisso */
  top: calc(100% + 8px);
  right: 0;
}

/* Responsive: su mobile il dropdown può essere più stretto */
@media (max-width: 768px) {
  .toolbar-user-menu .user-menu-dropdown {
    right: -10px;
    min-width: 180px;
  }
}

/* Stato visibile - allineato con homepage */
.user-menu-dropdown.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

/* User Info Section - Allineato con homepage */
.user-info {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent; /* Trasparente per glass effect */
}

.user-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-bottom: 0;
  line-height: var(--line-height-tight);
}

.user-email {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 2px;
  line-height: var(--line-height-tight);
}

.toolbar-portal-version {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-color);
}

.toolbar-portal-version__label {
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
}

.toolbar-portal-version__value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

/* Menu Items - Allineato con homepage */
.user-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color 0.2s ease;
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  
  /* Accessibility */
  outline: none;
  -webkit-user-select: none;
  user-select: none;
}

.user-menu-item:hover {
  background: rgba(99, 102, 241, 0.1); /* Glass effect su hover */
  color: var(--primary);
  text-decoration: none;
}

.user-menu-item:focus {
  outline: none;
  background: var(--primary-light);
  color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.user-menu-item .fas {
  width: 16px;
  text-align: center;
  font-size: var(--font-size-base);
  color: inherit;
  flex-shrink: 0;
}

/* Menu Divider - Allineato con homepage */
.user-menu-divider {
  height: 1px;
  background: var(--border-color);
  margin: 4px 0;
  border-radius: 1px;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet Breakpoint (768px) */
@media (max-width: 768px) {
  .auth-buttons {
    gap: var(--space-1);
  }

  .btn-auth {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
  }

  .user-menu-toggle {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }

  .user-menu-dropdown {
    min-width: 200px;
    right: -10px; /* Adjusted for better mobile positioning */
  }
  
  .btn-auth span {
    display: none; /* Hide text on mobile, keep icons only */
  }
}

/* Mobile Breakpoint (576px) */
@media (max-width: 576px) {
  .auth-buttons {
    gap: var(--space-1);
  }

  .btn-auth {
    padding: var(--space-2);
    min-width: 40px;
    justify-content: center;
  }

  .user-menu-toggle {
    padding: var(--space-2);
    min-width: 40px;
    gap: 0;
  }

  .user-menu-toggle span {
    display: none; /* Hide username text on mobile */
  }

  .user-menu-dropdown {
    min-width: 180px;
    right: -20px;
  }

  .user-menu-item {
    font-size: var(--font-size-xs);
    padding: var(--space-2);
  }
}

/* ========================================
   DARK THEME ENHANCEMENTS
   ======================================== */

html[data-theme='dark'] .btn-auth {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
  box-shadow: var(--shadow-md);
}

html[data-theme='dark'] .btn-auth:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  color: white;
  box-shadow: var(--shadow-xl);
}

html[data-theme='dark'] .user-menu-toggle {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
}

html[data-theme='dark'] .user-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
}

html[data-theme='dark'] .user-menu-dropdown {
  /* Glass effect per dark mode */
  background: rgba(31, 41, 55, 0.15);
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

html[data-theme='dark'] .toolbar-portal-version {
  border-top-color: rgba(255, 255, 255, 0.12);
}

html[data-theme='dark'] .toolbar-portal-version__value {
  background: rgba(129, 140, 248, 0.2);
  color: rgba(224, 231, 255, 0.96);
}

/* ========================================
   ACCESSIBILITY ENHANCEMENTS
   ======================================== */

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .btn-auth {
    border-width: 3px;
    border-color: white;
  }

  .user-menu-toggle {
    border-width: 3px;
    border-color: white;
  }

  .user-menu-dropdown {
    border-width: 2px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .btn-auth,
  .user-menu-toggle,
  .user-menu-dropdown,
  .user-menu-item {
    transition: none;
  }
  
  .btn-auth:hover,
  .user-menu-toggle:hover {
    transform: none;
  }
}

/* Focus Indicators for Keyboard Navigation */
.btn-auth:focus-visible,
.user-menu-toggle:focus-visible {
  outline: 2px solid white;
  outline-offset: 2px;
}

.user-menu-item:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

/* ========================================
   ANIMATION ENHANCEMENTS
   ======================================== */

/* Smooth entrance animation for dropdown */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Subtle pulse animation for auth buttons when page loads */
@keyframes authPulse {
  0%, 100% {
    box-shadow: var(--shadow-sm);
  }
  50% {
    box-shadow: var(--shadow-lg);
  }
}

.btn-auth.pulse {
  animation: authPulse 2s ease-in-out;
}

/* ========================================
   AUTHENTICATION BANNERS & ALERTS
   ======================================== */

/* Auth required banner */
#auth-banner.auth-required {
  margin-top: var(--space-8);
  text-align: center;
}

#auth-banner.auth-required .alert {
  display: inline-block;
  max-width: 600px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

#auth-banner.auth-required .alert .fas {
  color: var(--info);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

#auth-banner.auth-required .alert h4 {
  color: white;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
}

#auth-banner.auth-required .alert p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

/* Welcome banner */
#welcome-banner.protected-content {
  margin-top: var(--space-8);
  text-align: center;
}

#welcome-banner.protected-content .alert-success {
  display: inline-block;
  max-width: 600px;
  background: rgba(16, 185, 129, 0.1);
  border: 2px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

#welcome-banner.protected-content .alert-success .fas {
  color: var(--success);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

#welcome-banner.protected-content .alert-success h4 {
  color: white;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
}

#welcome-banner.protected-content .alert-success p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

/* Action buttons container */
.auth-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Authentication Status Indicators */
.auth-status-indicator {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  border: 2px solid white;
}

.auth-status-indicator.online {
  background: var(--success);
}

.auth-status-indicator.offline {
  background: var(--danger);
}

/* Loading State for Auth Components */
.btn-auth.loading,
.user-menu-toggle.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-auth.loading::after,
.user-menu-toggle.loading::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  right: var(--space-2);
}

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

/* ========================================
   AUTHENTICATION STATUS SECTION
   ======================================== */

.auth-status-section {
  position: relative;
  z-index: var(--z-index-fixed);
  margin-top: 0;
  padding: 0;
}

/* Quando la sezione ha contenuti visibili, aggiunge il margin per la navbar */
.auth-status-section:has(.auth-status-banner.show) {
  margin-top: var(--header-height);
}

/* Nascondi la sezione completamente se nessun banner è attivo */
.auth-status-section:not(:has(.auth-status-banner.show)) {
  display: none;
}

.auth-status-banner {
  display: none;
  padding: var(--space-4) 0;
  border: none;
  border-radius: 0;
  margin: 0;
  animation: slideDown 0.3s ease-out;
}

.auth-status-banner.show {
  display: block;
}

/* Status Banner Variants */
.auth-warning {
  background: var(--warning-bg);
  border-bottom: 3px solid var(--warning);
  color: var(--warning-text);
}

.auth-error {
  background: var(--error-bg);
  border-bottom: 3px solid var(--error);
  color: var(--error-text);
}

.auth-success {
  background: var(--success-bg);
  border-bottom: 3px solid var(--success);
  color: var(--success-text);
}

/* Content Layout */
.auth-status-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.auth-status-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.auth-status-text {
  flex: 1;
  min-width: 0;
}

.auth-status-text h4 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.auth-status-text p {
  margin: 0;
  font-size: var(--font-size-base);
  opacity: 0.9;
}

.auth-status-actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

.auth-status-actions .btn {
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

/* Theme Support */
html[data-theme='dark'] .auth-warning {
  background: rgba(245, 158, 11, 0.15);
  border-bottom-color: var(--warning);
  color: var(--warning-text);
}

html[data-theme='dark'] .auth-error {
  background: rgba(239, 68, 68, 0.15);
  border-bottom-color: var(--error);
  color: var(--error-text);
}

html[data-theme='dark'] .auth-success {
  background: rgba(34, 197, 94, 0.15);
  border-bottom-color: var(--success);
  color: var(--success-text);
}

/* Animation */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .auth-status-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }
  
  .auth-status-actions {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .auth-status-text h4 {
    font-size: var(--font-size-base);
  }
  
  .auth-status-text p {
    font-size: var(--font-size-sm);
  }
}

/* ========================================
   BOOTSTRAP OVERRIDE - Rimuovere bordi rossi
   ======================================== */

/* Override Bootstrap focus/active states per .btn-auth */
.btn-auth:hover,
.btn-auth:focus,
.btn-auth:active,
.btn-auth.active {
  border-color: rgba(99, 102, 241, 0.35) !important;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15) !important;
  background: rgba(99, 102, 241, 0.12) !important;
}

/* Override Bootstrap is-invalid per a tag */
a.btn-auth.is-invalid,
a.btn-auth:invalid {
  border-color: rgba(99, 102, 241, 0.35) !important;
}

/* Override Bootstrap focus ring per .btn-auth */
.btn-auth:focus-visible {
  border-color: rgba(99, 102, 241, 0.5) !important;
  outline: none !important;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15) !important;
}

/* Override Bootstrap user-menu-toggle */
/* Solo hover ha effetto viola */
.user-menu-toggle:hover {
  border-color: rgba(99, 102, 241, 0.3) !important;
  background: rgba(99, 102, 241, 0.1) !important;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1) !important;
}

/* Focus, active e active NON devono avere bordo rosso */
.user-menu-toggle:focus,
.user-menu-toggle:active,
.user-menu-toggle.active {
  outline: none !important;
  box-shadow: none !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
  background: rgba(102, 126, 234, 0.35) !important; /* Fix: era var(--bg-card) bianco */
  color: white !important;
}

/* Rimuovere completamente il focus ring rosso di Bootstrap */
.btn-auth:focus::before,
.btn-auth::before,
.user-menu-toggle:focus::before,
.user-menu-toggle::before {
  display: none !important;
}

/* Rimuovere qualsiasi outline o bordo rosso persistente */
.user-menu-toggle:focus,
.user-menu-toggle:focus-visible,
.user-menu-toggle:active,
.user-menu-toggle.active,
.user-menu-toggle[aria-expanded="true"] {
  outline: none !important;
  outline-offset: 0 !important;
  box-shadow: none !important;
  /* Fix: border compatibile con toolbar viola */
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

/* Quando il menu è aperto, sfondo viola simile allo stato normale */
.user-menu-toggle.active,
.user-menu-toggle[aria-expanded="true"] {
  background: rgba(102, 126, 234, 0.25) !important; /* Tonalità viola quando il menu è aperto */
  border-color: rgba(102, 126, 234, 0.4) !important;
  color: white !important;
}

/* Globale: assicurare che nessuno abbia bordo rosso nella navbar-login */
.navbar-login .btn:focus,
.navbar-login .btn:active,
.navbar-login button:focus,
.navbar-login button:active,
.navbar-login a:focus,
.navbar-login a:active {
  border-color: rgba(99, 102, 241, 0.35) !important;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15) !important;
  outline: none !important;
}

/* CRITICAL FIX: Rimuovere TUTTI i focus ring rossi da Bootstrap 5 */
button:focus,
button:focus-visible,
a:focus,
a:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}

.user-menu-toggle:focus,
.user-menu-toggle:focus-visible {
  outline: none !important;
  box-shadow: none !important;
  border-color: rgba(255, 255, 255, 0.3) !important; /* Fix: compatibile con toolbar */
}

/* Override Bootstrap's default --bs-focus-box-shadow */
:root {
  --bs-focus-box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15) !important;
  --bs-btn-focus-box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15) !important;
}