* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  width: 100%;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(
        135deg,
        rgba(250, 255, 250, 0.8),
        rgba(240, 248, 242, 0.9)
      )
      fixed,
    #f4fbf6;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 40px 20px;
  color: #0a1e14;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.auth-container {
  width: 100%;
  max-width: 500px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

/* Login Section */
.login {
  background: #ffffff;
  padding: 48px 40px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(13, 37, 26, 0.1);
  border: 1px solid rgba(12, 28, 18, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: slideInLeft 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  min-height: 500px;
}

.login.hidden {
  display: none;
  animation: slideOutLeft 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Register Section */
.register-page {
  background: #ffffff;
  padding: 48px 40px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(13, 37, 26, 0.1);
  border: 1px solid rgba(12, 28, 18, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: slideInRight 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  min-height: 580px;
}

.register-page.hidden {
  display: none;
  animation: slideOutRight 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Form Header */
.form-header {
  text-align: center;
  margin-bottom: 32px;
}

.form-header h2 {
  font-size: 32px;
  color: #197a57;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.form-header p {
  font-size: 15px;
  color: #556069;
  font-weight: 500;
  opacity: 0.9;
}

/* Form Styles */
form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 13px;
  font-weight: 700;
  color: #0a1e14;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  padding: 14px 16px;
  border: 1.5px solid rgba(10, 30, 20, 0.1);
  border-radius: 12px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.7),
    rgba(251, 255, 249, 0.8)
  );
  font-size: 15px;
  color: #0a1e14;
  transition: all 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
  font-family: inherit;
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder {
  color: #b0bac2;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: #197a57;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 3px rgba(25, 122, 87, 0.12),
    0 8px 24px rgba(25, 122, 87, 0.1);
  transform: translateY(-2px);
}

/* Checkbox Styles */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: #0a1e14;
  font-weight: 500;
  font-size: 14px;
}

.checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: #197a57;
  border-radius: 4px;
}

.checkbox a {
  color: #197a57;
  text-decoration: none;
  font-weight: 600;
}

.checkbox a:hover {
  text-decoration: underline;
}

.forgot-link {
  color: #197a57;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: opacity 200ms ease;
}

.forgot-link:hover {
  opacity: 0.8;
}

/* Button Styles */
button[type="button"],
button[type="submit"] {
  width: 100%;
  padding: 16px 24px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #197a57 0%, #1aa06a 100%);
  color: white;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
  letter-spacing: 0.3px;
  box-shadow: 0 8px 24px rgba(26, 137, 90, 0.2);
  position: relative;
  overflow: hidden;
  margin-top: 12px;
}

button[type="button"]::before,
button[type="submit"]::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 600ms, height 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

button[type="button"]:hover,
button[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(26, 137, 90, 0.25);
}

button[type="button"]:active::before,
button[type="submit"]:active::before {
  width: 300px;
  height: 300px;
}

button[type="button"]:active,
button[type="submit"]:active {
  transform: translateY(-1px);
}

/* Footer */
.form-footer {
  text-align: center;
  margin-top: 24px;
  color: #556069;
  font-size: 14px;
}

.form-footer a {
  color: #197a57;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 200ms ease;
}

.form-footer a:hover {
  opacity: 0.8;
}

/* Animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutLeft {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-40px);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(40px);
  }
}

/* Error Messages */
.error-message {
  display: block;
  color: #dc2626;
  font-size: 12px;
  font-weight: 600;
  margin-top: 6px;
  animation: shake 300ms ease-in-out;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 16px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(20px);
  transition: all 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 350px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.success {
  background: linear-gradient(135deg, #197a57, #1aa06a);
  color: white;
}

/* Responsive */
@media (max-width: 768px) {
  .login,
  .register-page {
    padding: 40px 32px;
    min-height: auto;
  }

  .form-header h2 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .auth-container {
    max-width: 100%;
  }

  .login,
  .register-page {
    padding: 32px 24px;
    border-radius: 14px;
  }

  .form-header h2 {
    font-size: 24px;
  }

  .form-header p {
    font-size: 14px;
  }

  .toast {
    bottom: 16px;
    right: 16px;
    left: 16px;
    max-width: none;
  }
}