/* ===========================================
   ANCIENTFIT AUTH MODAL - DARK EDITION
   Red/Black/Navy aesthetic with glass effects
   =========================================== */

.auth-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.auth-modal.show {
  display: flex;
  opacity: 1;
}

.auth-modal-content {
  width: 90%;
  max-width: 450px;
  background: linear-gradient(
    135deg,
    rgba(5, 5, 5, 0.9),
    rgba(18, 18, 20, 0.9),
    rgba(30, 30, 32, 0.9)
  );
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  border: 1px solid rgba(255, 0, 0, 0.2);
  border-radius: 30px;
  padding: 40px 30px;
  position: relative;
  box-shadow: 
    0 30px 80px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(255, 0, 0, 0.2),
    0 0 40px rgba(149, 1, 1, 0.3);
  animation: modalRise 0.4s ease-out;
}

@keyframes modalRise {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 0, 0, 0.3);
  color: white;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.auth-modal-close:hover {
  transform: rotate(90deg) scale(1.1);
  border-color: #ff0000;
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.4);
  background: rgba(149, 1, 1, 0.3);
}

/* Toggle Switch */
.auth-toggle {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 50px;
  padding: 5px;
  margin-bottom: 30px;
  border: 1px solid rgba(255, 0, 0, 0.2);
}

.toggle-btn {
  flex: 1;
  padding: 12px;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 50px;
  transition: all 0.3s ease;
  text-transform: uppercase;
}

.toggle-btn.active {
  background: linear-gradient(135deg, #950101, #ff0000);
  color: white;
  box-shadow: 0 5px 20px rgba(255, 0, 0, 0.4);
}

/* Auth Forms */
.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

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

.auth-form h3 {
  color: white;
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 5px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 2px 10px rgba(255, 0, 0, 0.3);
}

.auth-subtitle {
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  margin-bottom: 30px;
  font-size: 0.9rem;
}

/* Input Groups */
.auth-input-group {
  position: relative;
  margin-bottom: 20px;
}

.auth-input-group i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #950101;
  font-size: 1rem;
  z-index: 1;
}

.auth-input-group input {
  width: 100%;
  padding: 16px 16px 16px 45px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 0, 0, 0.2);
  border-radius: 50px;
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.auth-input-group input:focus {
  outline: none;
  border-color: #ff0000;
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.3);
  background: rgba(0, 0, 0, 0.7);
}

.auth-input-group input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

/* Submit Button */
.auth-submit-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #950101, #ff0000);
  border: none;
  border-radius: 50px;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-transform: uppercase;
  box-shadow: 0 10px 30px rgba(149, 1, 1, 0.4);
}

.auth-submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(255, 0, 0, 0.5);
  background: linear-gradient(135deg, #ff0000, #950101);
}

.auth-submit-btn i {
  font-size: 1.2rem;
}

/* Welcome Message */
.auth-welcome {
  text-align: center;
  padding: 20px;
}

.auth-welcome i {
  font-size: 4rem;
  color: #950101;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 20px rgba(255, 0, 0, 0.4));
}

.auth-welcome h3 {
  color: white;
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.auth-welcome p {
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 480px) {
  .auth-modal-content {
    padding: 30px 20px;
  }
  
  .auth-form h3 {
    font-size: 1.5rem;
  }
  
  .toggle-btn {
    padding: 10px;
    font-size: 0.9rem;
  }
}

@media (max-width: 360px) {
  .auth-modal-content {
    padding: 25px 15px;
  }
  
  .auth-input-group input {
    padding: 14px 14px 14px 40px;
  }
}