.page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: var(--spacing-8);
  background-color: var(--color-brand-50);
}

.form {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 400px;
  padding: var(--spacing-6) var(--spacing-4);
  border: 2px solid var(--color-primary-gray);
  border-radius: var(--rounded-xl);
  box-shadow: var(--shadow-md);
  background-color: white;
}

.logo-image__container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-4);
}

.logo-image {
  object-fit: contain;
  margin: 0 var(--spacing-4);
}

.heading-container {
  text-align: center;
  padding-bottom: var(--spacing-4);
}

.heading {
  font-size: var(--text-2xl);
  font-weight: 500;
  margin-bottom: var(--spacing-1);
}

.sub-heading {
  font-size: var(--text-base);
  color: #6b7280;
}

.input-field__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  width: 100%;
  margin: var(--spacing-6) 0;
}

.input-container {
  position: relative;
  width: 100%;
}

/* Birthday section wrapper */
.birthday-section {
  width: 100%;
}

.section-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #374151;
  margin-bottom: 8px;
}

/* Input styles */
.input-field {
  width: 100%;
  padding: 16px 12px 8px 12px;
  font-size: 16px;
  border: 2px solid var(--color-primary-gray);
  border-radius: var(--rounded-md);
  background: white;
  outline: none;
  transition: all 0.3s ease;
}

.input-field:focus {
  border-color: var(--color-brand-400);
}

.input-label {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: #6b7280;
  pointer-events: none;
  transition: all 0.3s ease;
  background: white;
  padding: 0 4px;
}

.input-field:focus + .input-label,
.input-field:not([type="date"]):not(:placeholder-shown) + .input-label,
.input-field[type="date"]:valid + .input-label,
.input-field:-webkit-autofill + .input-label {
  top: -8px;
  left: 8px;
  transform: none;
  font-size: 12px;
  color: var(--color-brand-400);
  font-weight: 500;
}

.input-field::placeholder {
  color: transparent;
}

/* --- Date input specifics --- */

/* In most browsers date inputs don't support :placeholder-shown.
   Use required + :valid to know when a date is selected. */
.input-field[type="date"] {
  color-scheme: light;
}

.input-field[type="date"]:not(:focus):invalid {
  color: transparent;
}

.input-field[type="date"]:focus,
.input-field[type="date"]:valid {
  color: #374151;
}

.input-field[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
}

/* Submit button */
.signup-button {
  border-radius: var(--rounded-full);
  background-color: var(--color-brand-400);
  width: 100%;
  text-align: center;
  padding: var(--spacing-2) var(--spacing-4);
  font-weight: 500;
  color: white;
  margin-top: var(--spacing-4);
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.signup-button:hover {
  background-color: var(--color-brand-600);
}

.login-container {
  padding-top: var(--spacing-6);
  font-size: var(--text-sm);
  text-align: center;
}

.login-link {
  color: var(--color-brand-400);
  font-weight: 500;
  text-decoration: none;
}

.login-link:hover {
  text-decoration: underline;
}

/* ✅ Fixed Error states */
.input-field.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.input-field.error + .input-label {
  color: #ef4444;
}

.input-field.error:focus + .input-label,
.input-field.error:not(:placeholder-shown) + .input-label {
  color: #ef4444;
}

/* ✅ Fixed Success state */
.input-field.success {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-field.success + .input-label {
  color: #10b981;
}

.input-field.success:focus + .input-label,
.input-field.success:not(:placeholder-shown) + .input-label {
  color: #10b981;
}

.error-message {
  color: #ef4444;
  font-size: 14px;
  margin-top: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: all 0.3s ease;
  min-height: 20px;
}

.error-message.show {
  opacity: 1;
  transform: translateY(0);
}

/* Input variants (optional for future) */
.input-variant-purple .input-field:focus {
  border-color: #8b5cf6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.input-variant-purple .input-field:focus + .input-label,
.input-variant-purple .input-field:not(:placeholder-shown) + .input-label {
  color: #8b5cf6;
}

.input-variant-emerald .input-field:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-variant-emerald .input-field:focus + .input-label,
.input-variant-emerald .input-field:not(:placeholder-shown) + .input-label {
  color: #10b981;
}