/* ============================================
   AI Technologies - Authentication Styles
   ============================================ */

.auth-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  padding-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.auth-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80vw;
  height: 80vw;
  max-width: 800px;
  max-height: 800px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.auth-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  backdrop-filter: blur(15px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(0, 212, 255, 0.05);
  position: relative;
  z-index: 2;
}

.auth-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.auth-header h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(13, 17, 23, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.15);
  background: rgba(13, 17, 23, 0.9);
}

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

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.forgot-password {
  color: var(--accent-cyan);
}

.forgot-password:hover {
  text-decoration: underline;
}

.btn-block {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
  padding: 1rem;
}

.auth-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.auth-link {
  color: var(--accent-cyan);
  font-weight: 600;
  margin-left: 0.3rem;
}

.auth-link:hover {
  text-decoration: underline;
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

/* Alert Message */
.auth-alert {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.auth-alert.show {
  display: block;
}

.auth-alert.error {
  background: rgba(220, 53, 69, 0.1);
  border: 1px solid rgba(220, 53, 69, 0.3);
  color: #ff6b6b;
}

.auth-alert.success {
  background: rgba(40, 167, 69, 0.1);
  border: 1px solid rgba(40, 167, 69, 0.3);
  color: #51cf66;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Auth User Dropdown */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.user-profile:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
  color: white;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 500;
}

.logout-btn {
  font-size: 0.85rem;
  color: #ff6b6b;
  cursor: pointer;
}

.logout-btn:hover {
  text-decoration: underline;
}