/* ─── Custom Properties ─────────────────────────────────── */
:root {
  --primary: #6c5ce7;
  --primary-dark: #5a4ed1;
  --surface: #ffffff;
  --surface-alt: #f5f7fa;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --error: #e17055;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
}

/* ─── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--surface-alt);
  color: var(--text);
  min-height: 100vh;
  padding: 1.5rem 1rem;
}

/* ─── Page Layout ───────────────────────────────────────── */
.onboard-page {
  max-width: 540px;
  margin: 0 auto;
}

/* ─── Header ────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.page-header__logo {
  font-size: 2rem;
  line-height: 1;
}

.page-header__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

/* ─── Loading State ─────────────────────────────────────── */
.loading-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 1rem;
}

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

/* ─── Already Onboarded ─────────────────────────────────── */
.already-onboarded {
  text-align: center;
  padding: 4rem 1rem;
}

.already-onboarded__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.already-onboarded h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.already-onboarded p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ─── Error State ───────────────────────────────────────── */
.error-state {
  text-align: center;
  padding: 3rem 1rem;
}

.error-state__message {
  color: var(--error);
  margin-bottom: 1rem;
}

/* ─── Onboarding Card ───────────────────────────────────── */
.onboard-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.5rem;
}

.onboard-card__intro {
  margin-bottom: 1.75rem;
}

.onboard-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.onboard-card__subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ─── Form ──────────────────────────────────────────────── */
.onboard-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.form-label--hint {
  font-weight: 400;
  color: var(--text-muted);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.15s;
  appearance: auto;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.form-input.invalid,
.form-select.invalid {
  border-color: var(--error);
}

/* ─── Fieldset ──────────────────────────────────────────── */
.fieldset {
  border: none;
  padding: 0;
}

/* ─── Checkbox Grid ─────────────────────────────────────── */
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, background 0.15s;
}

.checkbox-item:hover {
  border-color: var(--primary);
  background: #f0eeff;
}

.checkbox-item:has(.checkbox-input:checked) {
  border-color: var(--primary);
  background: #f0eeff;
}

.checkbox-input {
  margin-top: 2px;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.checkbox-label {
  font-size: 0.875rem;
  line-height: 1.4;
}

/* ─── Radio List ────────────────────────────────────────── */
.radio-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  cursor: pointer;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, background 0.15s;
}

.radio-item:hover {
  border-color: var(--primary);
  background: #f0eeff;
}

.radio-item:has(.radio-input:checked) {
  border-color: var(--primary);
  background: #f0eeff;
}

.radio-input {
  accent-color: var(--primary);
  flex-shrink: 0;
}

.radio-label {
  font-size: 0.875rem;
}

/* ─── Validation Errors ─────────────────────────────────── */
.form-error {
  font-size: 0.8rem;
  color: var(--error);
}

.form-error--submit {
  margin-top: 0.5rem;
  text-align: center;
}

/* ─── Form Actions ──────────────────────────────────────── */
.form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.5rem;
}

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.15s, opacity 0.15s;
  text-align: center;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
}

.btn--primary:hover:not(:disabled) {
  background: var(--primary-dark);
}

.btn--primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn--secondary {
  background: var(--border);
  color: var(--text);
}

.btn--secondary:hover {
  background: #d1d5db;
}

.btn--full {
  width: 100%;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 480px) {
  body {
    padding: 1rem;
  }

  .onboard-card {
    padding: 1.5rem 1rem;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .onboard-card__title {
    font-size: 1.3rem;
  }
}