/* Heyming OS — first-run setup wizard.
 *
 * Phase 4 of the brand pivot: backdrop is a flat paper-cream surface,
 * the card is a flat raised white card with a thin hairline. No
 * gradients, no glass blur. The welcome step renders the wordmark
 * lockup instead of a generic 👋 icon.
 */

.os-setup-bg {
  position: absolute;
  inset: 0;
  background: var(--surface-0);
}

.os-setup-container {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.os-setup-card {
  background: var(--surface-1);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  padding: 48px 40px 36px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--pure-black) 12%, transparent);
  text-align: center;
  animation: setupCardIn 0.4s ease-out;
}

@keyframes setupCardIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.os-setup-step {
  animation: setupFadeIn 0.3s ease-out;
}

@keyframes setupFadeIn {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Welcome step lockup — wordmark + tagline. The 👋 icon used to live
 * inside .os-setup-icon; the welcome step now uses .os-setup-welcome-mark
 * with the SVG wordmark. Other steps still use .os-setup-icon for their
 * step icons (📝, ⌨️, etc.). */
.os-setup-welcome-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.os-setup-welcome-mark img {
  width: 280px;
  max-width: 100%;
  height: auto;
  color: var(--text-1);
}

.os-setup-welcome-version {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-primary-hover);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
}

.os-setup-icon {
  font-size: 56px;
  margin-bottom: 16px;
  line-height: 1;
}

.os-setup-heading {
  color: var(--text-1);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}

.os-setup-subtitle {
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: 15px;
  margin: 0 0 28px;
  line-height: 1.5;
}

.os-setup-field {
  text-align: left;
  margin-bottom: 20px;
}

.os-setup-label {
  display: block;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.os-setup-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface-0);
  border: 2px solid var(--hairline-accent);
  border-radius: var(--radius);
  color: var(--text-1);
  font-size: 16px;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color var(--motion-hover), box-shadow var(--motion-hover);
  box-sizing: border-box;
}

.os-setup-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-soft);
}

.os-setup-input::placeholder {
  color: var(--text-3);
}

.os-setup-hint {
  color: var(--text-3);
  font-size: 12px;
  margin: 6px 0 0;
}

.os-setup-error {
  color: var(--danger);
  font-size: 13px;
  margin: 6px 0 0;
}

.os-setup-preview {
  background: var(--surface-0);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 24px;
  text-align: left;
}

.os-setup-preview-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}

.os-setup-preview-label {
  color: var(--text-3);
  font-size: 13px;
}

.os-setup-preview-value {
  color: var(--accent-primary-hover);
  font-size: 13px;
  font-family: var(--font-mono);
}

.os-setup-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.os-setup-btn {
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--motion-hover), transform var(--motion-hover),
    opacity var(--motion-hover);
  font-family: var(--font-ui);
}

.os-setup-btn:active {
  transform: scale(0.97);
}

.os-setup-btn-primary {
  background: var(--accent-primary-bg);
  color: var(--text-on-accent);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--accent-primary-bg) 35%, transparent);
}

.os-setup-btn-primary:hover:not(:disabled) {
  background: var(--accent-primary-bg-hover);
}

.os-setup-btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.os-setup-btn-secondary {
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--hairline-strong);
}

.os-setup-btn-secondary:hover {
  background: var(--surface-1);
  color: var(--text-1);
}

.os-setup-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.os-setup-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hairline-strong);
  transition: background var(--motion-modal), transform var(--motion-modal);
}

.os-setup-dot.active {
  background: var(--accent-primary);
  transform: scale(1.2);
}

.os-setup-dot.completed {
  background: var(--success);
}

@media (max-width: 480px) {
  .os-setup-card {
    padding: 32px 24px 28px;
    border-radius: var(--radius-lg);
  }
  .os-setup-heading {
    font-size: 22px;
  }
  .os-setup-icon {
    font-size: 44px;
  }
  .os-setup-welcome-mark img {
    width: 220px;
  }
}