/**
 * ============================================
 * AdNaviFlow - Authentication Pages Stylesheet
 * ============================================
 * Файл: /app/css/auth.css
 * Цел: Специфични стилове за login, register, forgot-password страници
 * Връзки: Зарежда се заедно с main.css в auth модула
 * ============================================
 */

/* ============================================
   AUTH LAYOUT
   ============================================ */

.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-4);
  position: relative;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-accent);
  animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   AUTH HEADER / LOGO
   ============================================ */

.auth-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-logo {
  margin-bottom: var(--space-4);
}

.auth-logo-icon {
  font-size: 48px;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.auth-logo-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: 0;
}

.auth-subtitle {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* ============================================
   AUTH FORMS
   ============================================ */

.auth-form .form-group {
  margin-bottom: var(--space-5);
}

.auth-form .form-input {
  padding: var(--space-4);
  font-size: var(--font-size-base);
}

.auth-form .form-input:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 15px rgba(255, 127, 0, 0.3);
}

.auth-form .btn {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--font-size-lg);
  margin-top: var(--space-2);
}

/* Forgot Password Link */
.forgot-password-link {
  text-align: right;
  margin-top: calc(var(--space-2) * -1);
  margin-bottom: var(--space-4);
}

.forgot-password-link a {
  color: var(--color-accent-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.forgot-password-link a:hover {
  text-decoration: underline;
  color: var(--color-accent-hover);
}

/* Remember Me Checkbox */
.remember-me {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.remember-me input[type="checkbox"] {
  margin-right: var(--space-2);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ============================================
   AUTH FOOTER
   ============================================ */

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.auth-footer a {
  color: var(--color-accent-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
}

.auth-footer a:hover {
  text-decoration: underline;
  color: var(--color-accent-hover);
}

/* ============================================
   LANGUAGE DROPDOWN (Auth Pages)
   ============================================ */

.language-dropdown {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-dropdown);
}

.language-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.language-dropdown-toggle:hover {
  border-color: var(--color-accent-primary);
  background: var(--color-bg-hover);
}

.language-dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 150px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  display: none;
  animation: fadeIn 0.2s ease-out;
}

.language-dropdown-menu.active {
  display: block;
}

.language-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.language-dropdown-item:hover {
  background: var(--color-bg-hover);
  text-decoration: none;
}

.language-dropdown-item.active {
  background: var(--color-bg-hover);
  color: var(--color-accent-secondary);
}

/* Flag Icons */
.lang-flag {
  width: 32px;
  height: 22px;
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
  
  /* Bulgarian Flag */
.flag-bg {
  background: linear-gradient(to bottom, 
    #FFFFFF 0%, #FFFFFF 33.33%,
    #00966E 33.33%, #00966E 66.66%,
    #D62612 66.66%, #D62612 100%
  );
}

/* UK Flag - Union Jack */
.flag-en {
  background: #012169;
  position: relative;
}
.flag-en::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: 
    linear-gradient(to bottom, transparent 40%, #FFFFFF 40%, #FFFFFF 60%, transparent 60%),
    linear-gradient(to right, transparent 40%, #FFFFFF 40%, #FFFFFF 60%, transparent 60%);
}
.flag-en::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: 
    linear-gradient(to bottom, transparent 45%, #C8102E 45%, #C8102E 55%, transparent 55%),
    linear-gradient(to right, transparent 45%, #C8102E 45%, #C8102E 55%, transparent 55%);
}

/* Russian Flag */
.flag-ru {
  background: linear-gradient(to bottom, 
    #FFFFFF 0%, #FFFFFF 33.33%,
    #0039A6 33.33%, #0039A6 66.66%,
    #D52B1E 66.66%, #D52B1E 100%
  );
}


/* ============================================
   DIVIDER (or/separator)
   ============================================ */

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: var(--space-6) 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--color-border-secondary);
}

.auth-divider::before {
  margin-right: var(--space-4);
}

.auth-divider::after {
  margin-left: var(--space-4);
}

/* ============================================
   PASSWORD STRENGTH INDICATOR
   ============================================ */

.password-strength {
  margin-top: var(--space-2);
  margin-bottom: var(--space-4);
}

.password-strength-bar {
  height: 4px;
  background: var(--color-border-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.password-strength-fill {
  height: 100%;
  width: 0;
  transition: all var(--transition-base);
  border-radius: var(--radius-full);
}

.password-strength-fill.weak {
  width: 33%;
  background: var(--color-error);
}

.password-strength-fill.medium {
  width: 66%;
  background: var(--color-warning);
}

.password-strength-fill.strong {
  width: 100%;
  background: var(--color-success);
}

.password-strength-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ============================================
   VERIFICATION / RESET SUCCESS PAGE
   ============================================ */

.auth-success-icon {
  text-align: center;
  font-size: 64px;
  margin-bottom: var(--space-6);
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.auth-success-title {
  text-align: center;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
  color: var(--color-success-text);
}

.auth-success-text {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

/* ============================================
   LOADING STATE
   ============================================ */

.auth-loading {
  text-align: center;
  padding: var(--space-8);
}

.auth-loading .spinner {
  margin: 0 auto var(--space-4);
}

.auth-loading-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

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

@media (max-width: 768px) {
  .auth-card {
    max-width: 360px;
    padding: var(--space-8) var(--space-6);
    border-width: 2px;
  }
  
  .auth-logo-title {
    font-size: var(--font-size-3xl);
  }
  
  .language-dropdown {
    top: var(--space-4);
    right: var(--space-4);
  }
}

@media (max-width: 480px) {
  .auth-container {
    padding: var(--space-2);
  }
  
  .auth-card {
    padding: var(--space-6) var(--space-4);
  }
  
  .auth-logo-icon {
    font-size: 40px;
  }
  
  .auth-logo-title {
    font-size: var(--font-size-2xl);
  }
}

/* ============================================
   TERMS & PRIVACY LINKS
   ============================================ */

.auth-terms {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-6);
  line-height: var(--line-height-relaxed);
}

.auth-terms a {
  color: var(--color-accent-secondary);
}

/* ============================================
   END OF AUTH.CSS
   ============================================ */