.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background-color: #fff;
  margin: 5% auto;
  padding: 20px;
  width: 90%;
  max-width: 400px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  text-align: center;
  margin-bottom: 20px;
}

.modal-logo {
  width: 120px;
  margin-bottom: 15px;
}

.close {
  position: absolute;
  right: 15px;
  top: 15px;
  font-size: 24px;
  cursor: pointer;
  color: #666;
  transition: color 0.3s;
}

.close:hover {
  color: #000;
}

.tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  position: relative;
  color: #666;
  transition: color 0.3s;
}

.tab-btn.active {
  color: var(--primary-color);
}

.tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
}

.auth-form {
  padding: 20px 0;
}

.form-group {
  position: relative;
  margin-bottom: 20px;
}

.form-group i {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #666;
}

.form-group .toggle-password {
  left: auto;
  right: 10px;
  cursor: pointer;
}

.form-group input {
  width: 100%;
  padding: 12px 35px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus {
  border-color: var(--primary-color);
  outline: none;
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 14px;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.forgot-password {
  color: var(--primary-color);
  text-decoration: none;
}

.btn-submit {
  width: 100%;
  padding: 12px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.btn-submit:hover {
  background-color: var(--secondary-color);
}

.terms-text {
  text-align: center;
  font-size: 12px;
  margin-top: 15px;
  color: #666;
}

.terms-text a {
  color: var(--primary-color);
  text-decoration: none;
}

.alert {
    padding: 12px 15px;
    margin: 10px 20px;
    border-radius: 8px;
    font-size: 0.95rem;
    text-align: center;
    position: relative;
    animation: slideDown 0.3s ease-out;
}

.alert-danger {
    background-color: #fff2f2;
    color: #dc3545;
    border: 1px solid #ffcdd2;
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.1);
}

.alert-success {
    background-color: #f0fff4;
    color: #28a745;
    border: 1px solid #c3e6cb;
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.1);
}

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