@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8) rotateX(-20deg);
  }

  to {
    opacity: 1;
    transform: scale(1) rotateX(0deg);
  }
}

@keyframes slideFade {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes neonGlow {
  0% {
    box-shadow: 0 0 5px var(--theme-color);
  }

  50% {
    box-shadow: 0 0 20px var(--theme-color), 0 0 40px var(--theme-color);
  }

  100% {
    box-shadow: 0 0 5px var(--theme-color);
  }
}

@keyframes ripple {
  0% {
    box-shadow: 0 0 0 0 var(--theme-color);
  }

  70% {
    box-shadow: 0 0 0 20px rgba(0, 122, 255, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(0, 122, 255, 0);
  }
}

.auth-otp-wrapper {
  position: absolute;
  top: 0;
  height: 100%;
  width: 100%;
  padding: 40px;
  transition: all 0.8s cubic-bezier(0.77, 0, 0.18, 1);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  left: -100%;
  z-index: 1;
  opacity: 0;
}

.auth-container.show-otp .auth-signin-wrapper,
.auth-container.show-otp .auth-signup-wrapper,
.auth-container.show-otp .auth-forgot-email-wrapper,
.auth-container.show-otp .auth-forgot-reset-wrapper {
  left: 100%;
  opacity: 0;
}

.auth-container.show-otp .auth-otp-wrapper {
  left: 0;
  opacity: 1;
  z-index: 5;
  animation: slideFade 0.7s ease-out;
}

.modal {
  z-index: 15;
}

.modal-dialog {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 50%;
  margin: auto;
  perspective: 1000px;
  animation: zoomIn 0.6s ease-out;
}

.modal-content {
  height: 750px;
  background: linear-gradient(145deg, var(--theme-color) 0%, var(--theme-color) 100%);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), inset 0 0 15px rgba(0, 122, 255, 0.1);
  border-radius: 16px;
  border: 2px solid var(--theme-color);
  overflow: hidden;
  position: relative;
}

.auth-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.auth-form-wrapper {
  position: absolute;
  top: 0;
  height: 100%;
  width: 100%;
  padding: 40px;
  transition: all 0.8s cubic-bezier(0.77, 0, 0.18, 1);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
}

.auth-signin-wrapper {
  left: 0;
  z-index: 2;
}

.auth-signin-wrapper form {
  margin-top: 100px;
}

.auth-signup-wrapper {
  left: -100%;
  z-index: 1;
  opacity: 0;
}

.auth-container.show-signup .auth-signin-wrapper {
  left: 100%;
  opacity: 0;
}

.auth-container.show-signup .auth-signup-wrapper {
  left: 0;
  opacity: 1;
  z-index: 5;
  animation: slideFade 0.7s ease-out;
}

.auth-heading {
  text-align: center;
  font-family: "Playfair Display", serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--theme-color);
  margin: 20px 0 40px;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(0, 122, 255, 0.3);
  animation: slideFade 0.8s ease-out;
}

.form-scroll-container {
  max-height: 400px;
  overflow-y: auto;
  padding-right: 10px;
  scrollbar-width: none;
  margin-bottom: 20px;
}

.auth-forgot-email-wrapper {
  position: absolute;
  top: 0;
  height: 100%;
  width: 100%;
  padding: 40px;
  transition: all 0.8s cubic-bezier(0.77, 0, 0.18, 1);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  left: -100%;
  z-index: 1;
  opacity: 0;
}

.auth-forgot-reset-wrapper {
  position: absolute;
  top: 0;
  height: 100%;
  width: 100%;
  padding: 40px;
  transition: all 0.8s cubic-bezier(0.77, 0, 0.18, 1);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  left: -100%;
  z-index: 1;
  opacity: 0;
}

.auth-container.show-forgot-email .auth-signin-wrapper,
.auth-container.show-forgot-email .auth-signup-wrapper,
.auth-container.show-forgot-email .auth-otp-wrapper,
.auth-container.show-forgot-email .auth-forgot-reset-wrapper {
  left: 100%;
  opacity: 0;
}

.auth-container.show-forgot-email .auth-forgot-email-wrapper {
  left: 0;
  opacity: 1;
  z-index: 5;
  animation: slideFade 0.7s ease-out;
}

.auth-container.show-forgot-reset .auth-signin-wrapper,
.auth-container.show-forgot-reset .auth-signup-wrapper,
.auth-container.show-forgot-reset .auth-otp-wrapper,
.auth-container.show-forgot-reset .auth-forgot-email-wrapper {
  left: 100%;
  opacity: 0;
}

.auth-container.show-forgot-reset .auth-forgot-reset-wrapper {
  left: 100%;
  opacity: 1;
  z-index: 5;
  animation: slideFade 0.7s ease-out;
}

.form-group {
  position: relative;
  margin-bottom: 25px;
  opacity: 0;
  animation: slideFade 0.5s ease-out forwards;
  animation-delay: calc(0.1s * var(--order));
}

.form-group:nth-child(1) {
  --order: 1;
}

.form-group:nth-child(2) {
  --order: 2;
}

.form-group:nth-child(3) {
  --order: 3;
}

.form-group:nth-child(4) {
  --order: 4;
}

.form-group:nth-child(5) {
  --order: 5;
}

.form-group:nth-child(6) {
  --order: 6;
}

.auth-label {
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  color: #1e2a44;
  margin-bottom: 8px;
  display: block;
  font-weight: 600;
  transition: all 0.3s ease;
}

.form-group:hover .auth-label {
  color: var(--theme-color);
}

.auth-input {
  width: 100%;
  border-radius: 10px;
  border: 2px solid var(--theme-color);
  padding: 14px 18px;
  font-size: 16px;
  font-family: "Montserrat", sans-serif;
  color: gray;
  transition: all 0.4s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.auth-input:focus {
  border-color: var(--theme-color);
  box-shadow: 0 0 15px var(--theme-color);
  outline: none;
}

.auth-button {
  width: 100%;
  padding: 14px 20px;
  font-family: "Playfair Display", serif;
  border-radius: 10px;
  border: none;
  background: var(--theme-color);
  color: white;
  cursor: pointer;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  box-shadow: 0 6px 20px var(--theme-color);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.auth-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.auth-button:hover::after {
  width: 300px;
  height: 300px;
}

.auth-button:hover {
  background-color: var(--theme-color2);
  color: white;
  transform: translateY(-4px);
  box-shadow: 0 10px 30px var(--theme-color);
  animation: ripple 1.5s infinite;
}

.auth-toggle-container {
  text-align: center;
  margin-top: 30px;
  animation: slideFade 0.7s ease-out 0.3s backwards;
}

.auth-subtext {
  margin: 0 0 10px;
  font-size: 14px;
  font-family: "Montserrat", sans-serif;
  color: #1e2a44;
  opacity: 0.8;
}

.auth-toggle-btn {
  background: none;
  color: var(--theme-color);
  border: none;
  font-size: 16px;
  cursor: pointer;
  padding: 5px 10px;
  font-family: "Montserrat", sans-serif;
  text-decoration: none;
  transition: all 0.4s ease;
}

.auth-toggle-btn:hover {
  color: var(--theme-color);
  transform: scale(1.1);
  text-shadow: 0 0 5px var(--theme-color);
}

.auth-forgot-link {
  display: block;
  text-align: right;
  color: var(--theme-color);
  margin: 12px 0 25px;
  font-size: 14px;
  font-family: "Montserrat", sans-serif;
  text-decoration: none;
  transition: all 0.4s ease;
}

.auth-forgot-link:hover {
  color: var(--theme-color);
  text-decoration: underline;
}

@media (max-width: 1200px) {
  .modal-dialog {
    width: 60%;
  }

  .modal-content {
    height: 650px;
  }

  .form-scroll-container {
    max-height: 350px;
  }
}

@media (max-width: 992px) {
  .modal-dialog {
    width: 70%;
  }

  .modal-content {
    height: 700px;
  }
}

@media (max-width: 768px) {
  .modal-dialog {
    width: 90%;
    padding: 15px;
  }

  .modal-content {
    height: 600px;
  }

  .auth-form-wrapper {
    padding: 25px;
  }

  .auth-signin-wrapper form {
    margin-top: 60px;
  }

  .auth-heading {
    font-size: 30px;
  }

  .auth-input {
    font-size: 14px;
    padding: 12px;
  }

  .auth-button {
    font-size: 16px;
    padding: 12px;
  }

  .form-scroll-container {
    max-height: 300px;
  }
}

@media (max-width: 576px) {
  .modal-dialog {
    width: 100%;
    padding: 20px;
  }

  .modal-content {
    min-height: 550px;
  }

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

  .auth-heading {
    font-size: 26px;
  }

  .auth-input {
    font-size: 13px;
    padding: 10px;
  }

  .auth-button {
    font-size: 14px;
  }

  .form-scroll-container {
    max-height: 250px;
  }
}

.alert-success { color: green; }
.alert-danger { color: red; }
.alert-warning { color: #856404; background-color: #fff3cd; }
.alert-info { color: #17a2b8; background-color: #d9edf7; }