/* =====================================================
   AUTH PAGES - PREMIUM STYLES (Login/Signup)
   ===================================================== */

/* =================== AUTH PAGE LAYOUT =================== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.auth-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.auth-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
}

.auth-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* =================== BACK TO HOME BUTTON =================== */
.back-home {
  position: fixed;
  top: 2rem;
  left: 2rem;
  z-index: 1001;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(30, 58, 138, 0.3);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  color: var(--white-pure);
  font-weight: 600;
  transition: var(--transition-normal);
  text-decoration: none;
}

.back-home:hover {
  background: rgba(30, 58, 138, 0.5);
  border-color: var(--gold-primary);
  transform: translateX(-5px);
}

/* =================== AUTH CONTAINER =================== */
.auth-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 500px 400px;
  gap: 3rem;
  max-width: 1000px;
  margin: 2rem auto;
  padding: 2rem;
}

.auth-card {
  padding: 3rem;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* =================== AUTH LOGO =================== */
.auth-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.logo-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white-pure);
  line-height: 1.2;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--gray-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* =================== AUTH HEADER =================== */
.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--white-pure) 0%, var(--gold-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-header p {
  color: var(--gray-muted);
  font-size: 0.875rem;
}

/* =================== AUTH ALERT =================== */
.auth-alert {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.auth-alert.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--green-success);
  color: var(--green-success);
}

.auth-alert.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--red-danger);
  color: var(--red-danger);
}

.auth-alert.info {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--blue-electric);
  color: var(--blue-electric);
}

/* =================== AUTH FORM =================== */
.auth-form {
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white-pure);
}

.label-icon {
  font-size: 1rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  width: 100%;
  padding: 1rem;
  background: rgba(30, 58, 138, 0.2);
  border: 2px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
  color: var(--white-pure);
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition-normal);
}

.form-group input:focus {
  outline: none;
  border-color: var(--gold-primary);
  background: rgba(30, 58, 138, 0.3);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

.form-group input::placeholder {
  color: var(--gray-muted);
}

/* Password Input with Toggle */
.password-input-wrapper {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0.25rem;
  transition: var(--transition-fast);
}

.password-toggle:hover {
  opacity: 0.7;
}

/* =================== FORM OPTIONS =================== */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

/* Custom Checkbox */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(59, 130, 246, 0.5);
  border-radius: var(--radius-sm);
  background: rgba(30, 58, 138, 0.2);
  transition: var(--transition-normal);
  position: relative;
}

.checkbox-wrapper input:checked + .checkbox-custom {
  background: var(--gradient-gold);
  border-color: var(--gold-primary);
}

.checkbox-wrapper input:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--navy-deep);
  font-weight: 700;
  font-size: 0.75rem;
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--gray-light);
}

.link-gold {
  color: var(--gold-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
}

.link-gold:hover {
  color: var(--gold-dark);
  text-decoration: underline;
}

/* =================== SUBMIT BUTTON =================== */
.btn-block {
  width: 100%;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-loader {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(10, 22, 40, 0.3);
  border-top-color: var(--navy-deep);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* =================== DIVIDER =================== */
.auth-divider {
  position: relative;
  text-align: center;
  margin: 2rem 0;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(59, 130, 246, 0.2);
}

.auth-divider span {
  position: relative;
  display: inline-block;
  padding: 0 1rem;
  background: rgba(15, 23, 42, 0.9);
  color: var(--gray-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* =================== SOCIAL LOGIN =================== */
.social-login {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem;
  background: rgba(30, 58, 138, 0.3);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
  color: var(--white-pure);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-social:hover {
  background: rgba(30, 58, 138, 0.5);
  border-color: var(--blue-electric);
}

.social-icon {
  width: 24px;
  height: 24px;
  background: var(--white-pure);
  color: var(--navy-deep);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* =================== AUTH FOOTER =================== */
.auth-footer {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.auth-footer p {
  color: var(--gray-muted);
  font-size: 0.875rem;
}

/* =================== FEATURES SIDEBAR =================== */
.auth-features {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.auth-features h3 {
  font-size: 1.5rem;
  color: var(--white-pure);
  margin-bottom: 1rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(30, 58, 138, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
}

.feature-item:hover {
  background: rgba(30, 58, 138, 0.3);
  border-color: rgba(245, 158, 11, 0.5);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.feature-content h4 {
  font-size: 1rem;
  color: var(--white-pure);
  margin-bottom: 0.5rem;
}

.feature-content p {
  font-size: 0.875rem;
  color: var(--gray-muted);
  line-height: 1.6;
}

/* Auth Stats */
.auth-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 2rem;
  background: rgba(30, 58, 138, 0.2);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold-primary);
  font-family: 'Roboto Mono', monospace;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--gray-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 968px) {
  .auth-container {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .auth-features {
    display: none;
  }

  .back-home {
    top: 1rem;
    left: 1rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 576px) {
  .auth-card {
    padding: 2rem 1.5rem;
  }

  .auth-header h1 {
    font-size: 1.5rem;
  }

  .social-login {
    grid-template-columns: 1fr;
  }

  .form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* =================== SIGNUP PAGE SPECIFIC =================== */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.password-strength {
  margin-top: 0.5rem;
}

.security-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding: 1.5rem;
  background: rgba(30, 58, 138, 0.2);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge {
  text-align: center;
}

.badge-icon {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.badge-text {
  font-size: 0.625rem;
  color: var(--gray-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}