/* Compact signup page — no scroll, single viewport fit */

.signup-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #f8f9fa 0%, #f0f3f7 100%);
}

/* —— Loader —— */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(10px);
}

.page-loader.hidden {
  display: none;
}

.loader-card {
  text-align: center;
  padding: var(--space-8);
  border-radius: 16px;
  border: 1px solid var(--border-primary);
  background: var(--bg-card);
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.15);
  max-width: 24rem;
}

.loader-card .spinner {
  width: 48px;
  height: 48px;
  margin: 0 auto 1.25rem;
  border: 3px solid var(--border-secondary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: signup-spin 0.75s linear infinite;
}

@keyframes signup-spin {
  to {
    transform: rotate(360deg);
  }
}

.loader-card p {
  margin: 0 0 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.loader-card span {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* —— Shell —— */
.signup-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--header-height);
  padding: var(--header-height) 1rem 1rem;
}

/* —— Workspace / panel —— */
.signup-workspace {
  display: flex;
  width: 100%;
  max-width: 480px;
}

.signup-panel {
  width: 100%;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05), 0 16px 48px rgba(15, 23, 42, 0.1);
  padding: 1.1rem;
}

.signup-panel__rail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
  gap: 0.75rem;
}

.signup-panel__back,
.signup-panel__signin {
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.signup-panel__back:hover {
  color: var(--accent-primary);
}

.signup-panel__signin {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  background: var(--bg-primary);
  font-size: 0.75rem;
  transition: all 0.2s ease;
}

.signup-panel__signin:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(5, 101, 255, 0.04);
}

.signup-panel__intro {
  margin-bottom: 0.75rem;
}

.signup-panel__heading {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.2;
}

/* OAuth */
.signup-oauth {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.signup-oauth__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  height: 64px;
  padding: 0.35rem;
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-primary);
  background: #fafbfc;
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.signup-oauth__btn:hover {
  border-color: var(--border-hover);
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.signup-oauth__btn img {
  width: 20px;
  height: 20px;
}

.signup-oauth__btn--github img {
  opacity: 0.9;
}

.signup-or {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.signup-or::before,
.signup-or::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-secondary);
}

/* Form */
.signup-form {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.signup-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.signup-row:first-child {
  grid-template-columns: 1fr;
}

.signup-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.signup-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.signup-field .req {
  color: var(--accent-primary);
  font-weight: 700;
}

.signup-field .opt {
  font-weight: 500;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.signup-field input,
.signup-field select {
  width: 100%;
  height: 37px;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text-primary);
  background: #fafbfc;
  border: 1px solid var(--border-primary);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.signup-field input::placeholder {
  color: var(--text-on-light-muted);
}

.signup-field input:hover,
.signup-field select:hover {
  border-color: var(--border-hover);
  background: #ffffff;
}

.signup-field input:focus,
.signup-field select:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(5, 101, 255, 0.12);
}

.signup-field input.error,
.signup-field select.error {
  border-color: var(--error);
  background: rgba(248, 81, 73, 0.04);
}

.signup-field input.error:focus,
.signup-field select.error:focus {
  box-shadow: 0 0 0 3px rgba(248, 81, 73, 0.15);
  background: #fff;
}

.form-error {
  font-size: 0.75rem;
  color: var(--error);
  min-height: 1rem;
  margin-top: 0;
  display: none;
  font-weight: 500;
}

.form-error.show {
  display: block;
}

.password-field {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.password-field input {
  padding-right: 2.75rem;
}

.toggle-eye {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2.3rem;
  height: 2.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  transition: all 0.15s ease;
}

.toggle-eye:hover {
  color: var(--text-primary);
  background: rgba(15, 23, 42, 0.06);
}

.toggle-eye:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.toggle-eye__icon--hide {
  display: none;
}

.toggle-eye.is-revealed .toggle-eye__icon--show {
  display: none;
}

.toggle-eye.is-revealed .toggle-eye__icon--hide {
  display: block;
}

.pass-meter {
  display: none;
}

/* Terms */
.terms-checkbox {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  padding: 0.6rem 0.75rem;
  margin: 0.35rem 0 0;
  border-radius: 10px;
  border: 1px solid var(--border-primary);
  background: #fafbfc;
  cursor: pointer;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.terms-checkbox:hover {
  border-color: var(--border-hover);
  background: #ffffff;
}

.terms-checkbox:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(5, 101, 255, 0.12);
  background: #fff;
}

.terms-checkbox input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin-top: 0.05rem;
  flex-shrink: 0;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.terms-checkbox a {
  color: var(--accent-primary);
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.terms-checkbox a:hover {
  opacity: 0.85;
  text-decoration: underline;
}

/* Submit button */
.signup-submit {
  width: 100%;
  height: 42px;
  padding: 0 1rem;
  margin-top: 0.35rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent-primary) 0%, #7c3aed 100%);
  box-shadow: 0 4px 12px rgba(5, 101, 255, 0.3);
  transition: all 0.2s ease;
}

.signup-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(5, 101, 255, 0.4);
}

.signup-submit:active {
  transform: translateY(0);
}

.signup-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* Choices.js select styling */
.signup-panel .choices {
  margin-bottom: 0;
}

.signup-panel .choices__inner {
  height: 40px;
  padding: 0.5rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border-primary);
  background: #fafbfc;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
}

.signup-panel .choices.is-focused .choices__inner {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(5, 101, 255, 0.12);
  background: #fff;
}

.signup-panel .choices.is-invalid .choices__inner {
  border-color: var(--error);
  background: rgba(248, 81, 73, 0.04);
}

.signup-panel .choices__list--dropdown {
  border-radius: 10px;
  border: 1px solid var(--border-primary);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
  z-index: 30;
}

.signup-panel .choices__item--selectable:hover {
  background: rgba(5, 101, 255, 0.08);
}

/* —— Responsive —— */
@media (max-width: 640px) {
  .signup-shell {
    padding: var(--header-height) 0.75rem 0.75rem;
  }

  .signup-panel {
    padding: 1.25rem;
    border-radius: 14px;
  }

  .signup-panel__rail {
    margin-bottom: 0.5rem;
    gap: 0.75rem;
  }

  .signup-panel__heading {
    font-size: 1.25rem;
  }

  .signup-row {
    grid-template-columns: 1fr;
  }

  .signup-field input,
  .signup-field select {
    height: 38px;
    font-size: 0.9rem;
  }

  .signup-submit {
    height: 42px;
    font-size: 0.9rem;
  }

  .terms-checkbox {
    padding: 0.6rem 0.75rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .signup-panel {
    padding: 1rem;
    margin: 0 0.5rem;
  }

  .signup-panel__heading {
    font-size: 1.125rem;
  }

  .signup-field label {
    font-size: 0.75rem;
  }

  .signup-field input,
  .signup-field select {
    height: 36px;
    padding: 0.5rem 0.7rem;
    font-size: 0.875rem;
  }

  .signup-submit {
    height: 40px;
    font-size: 0.875rem;
    margin-top: 0.35rem;
  }
}