/* Quoda component + layout styles. Token-only — zero raw hex.
   Exception: the QR preview surface forces #FFFFFF / dark modules for
   scannability (mandated by the design guideline, T6). Motion is opt-in:
   every transition is wrapped in @media (prefers-reduced-motion: no-preference).
   The focus ring lives in base.css (:focus-visible) and is never overridden. */

/* ============================================================ Layout shell */

.page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.page-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding: var(--space-32) var(--space-24);
}

.stack > * + * {
  margin-top: var(--space-16);
}

/* ================================================================= Button */

.btn {
  /* layout */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  min-height: 44px; /* touch target */
  padding: var(--space-12) var(--space-24);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  /* type */
  font-size: var(--fs-ui-label);
  font-weight: var(--fw-ui-label);
  line-height: var(--lh-ui-label);
  letter-spacing: var(--ls-ui-label);
  /* behaviour */
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  color: var(--color-text-primary);
}

.btn-lg {
  min-height: 52px;
  padding: var(--space-16) var(--space-32);
  font-size: var(--fs-body);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.btn-label {
  display: inline-flex;
  align-items: center;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* primary — the single accent control of a viewport */
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
  border-color: var(--color-accent);
}

/* secondary — surface-2 + border */
.btn-secondary {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

/* ghost — text only */
.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
}

@media (prefers-reduced-motion: no-preference) {
  .btn {
    transition:
      background-color var(--dur-micro-in) var(--ease-enter),
      border-color var(--dur-micro-in) var(--ease-enter),
      transform 80ms linear;
  }
  /* press: translateY(1px) 80ms linear */
  .btn:active {
    transform: translateY(1px);
  }
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}
.btn-secondary:hover {
  background: var(--color-surface-3);
}
.btn-ghost:hover {
  background: var(--color-surface-2);
}

/* ============================================================ Form fields */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.field-label {
  font-size: var(--fs-body);
  font-weight: var(--fw-ui-label);
  letter-spacing: var(--ls-body);
  color: var(--color-text-primary);
}

.field-required {
  color: var(--color-accent);
}

.field-hint {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body-sm);
  color: var(--color-text-secondary);
}

.field-error {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body-sm);
  /* accent-derived danger: deeper, no second hue */
  color: var(--color-accent-hover);
  font-weight: var(--fw-ui-label);
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 44px; /* touch target */
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-1);
  color: var(--color-text-primary);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
}

.textarea {
  min-height: 96px;
  resize: vertical;
  padding-block: var(--space-12);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-tertiary);
}

.input:disabled,
.select:disabled,
.textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.input-error,
.select-error,
.textarea-error {
  border-color: var(--color-accent-hover);
}

@media (prefers-reduced-motion: no-preference) {
  .input,
  .select,
  .textarea {
    transition: border-color var(--dur-micro-in) var(--ease-enter);
  }
}

.input:hover,
.select:hover,
.textarea:hover {
  border-color: var(--color-text-tertiary);
}

/* Select chevron affordance */
.select-wrap {
  position: relative;
  display: flex;
}

.select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: var(--space-48);
  cursor: pointer;
}

.select-chevron {
  position: absolute;
  right: var(--space-16);
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  pointer-events: none;
  color: var(--color-text-secondary);
}

/* =================================================================== Card */

.card {
  display: block;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-24);
  color: inherit;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-16);
}

.card-header + .card-body {
  margin-top: var(--space-16);
}

.card-title {
  color: var(--color-text-primary);
}

.card-subtitle {
  margin-top: var(--space-4);
}

.card-actions {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
}

.card-interactive {
  cursor: pointer;
}

@media (prefers-reduced-motion: no-preference) {
  .card-interactive {
    transition:
      box-shadow var(--dur-micro-in) var(--ease-enter),
      transform var(--dur-micro-in) var(--ease-enter),
      border-color var(--dur-micro-in) var(--ease-enter);
  }
  .card-interactive:hover {
    transform: translateY(-2px);
  }
}

.card-interactive:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-text-tertiary);
}

/* ================================================================== Badge */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  font-size: var(--fs-caption);
  font-weight: var(--fw-ui-label);
  letter-spacing: var(--ls-ui-label);
  line-height: 1;
  white-space: nowrap;
}

.badge-icon {
  display: inline-flex;
  align-items: center;
}

.badge-dot {
  width: var(--space-8);
  height: var(--space-8);
  border-radius: var(--radius-full);
  background: currentColor;
  flex: 0 0 auto;
}

.badge-neutral {
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.badge-accent {
  background: var(--color-accent);
  color: var(--color-accent-text);
  border-color: var(--color-accent);
}

/* single-accent: status tones are accent-subtle fills / accent text, no 2nd hue */
.badge-success {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-color: transparent;
}

.badge-warning {
  background: var(--color-surface-3);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.badge-danger {
  background: var(--color-accent-subtle);
  color: var(--color-accent-hover);
  border-color: transparent;
}

/* ================================================================== Modal */

.modal-root {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: var(--space-24);
}

.modal-root[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  /* token-derived scrim: text-primary at 48% over transparent (no raw hex) */
  background: color-mix(in srgb, var(--color-text-primary) 48%, transparent);
}

.modal {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: calc(100dvh - var(--space-48));
  overflow-y: auto;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-32);
}

.modal-sm {
  max-width: 380px;
}
.modal-md {
  max-width: 480px;
}
.modal-lg {
  max-width: 640px;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-16);
}

.modal-title {
  color: var(--color-text-primary);
}

.modal-desc {
  margin-top: var(--space-8);
}

.modal-close {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; /* touch target */
  height: 44px;
  margin: calc(-1 * var(--space-8)) calc(-1 * var(--space-8)) 0 0;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
}

@media (prefers-reduced-motion: no-preference) {
  .modal-close {
    transition: background-color var(--dur-micro-in) var(--ease-enter);
  }
}

.modal-close:hover {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}

.modal-body {
  margin-top: var(--space-24);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-12);
  margin-top: var(--space-32);
}

@media (prefers-reduced-motion: no-preference) {
  .modal-root:not([hidden]) .modal {
    animation: modal-in var(--dur-reveal-in) var(--ease-enter) both;
  }
  .modal-root:not([hidden]) .modal-backdrop {
    animation: fade-in var(--dur-micro-in) var(--ease-enter) both;
  }
  @keyframes modal-in {
    from {
      opacity: 0;
      transform: translateY(8px) scale(0.98);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
  @keyframes fade-in {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
}

/* ================================================================== Toast */

.toast-stack {
  position: fixed;
  inset-block-end: var(--space-24);
  inset-inline-end: var(--space-24);
  z-index: 120;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  width: min(360px, calc(100vw - var(--space-48)));
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-1);
  box-shadow: var(--shadow-lg);
  color: var(--color-text-primary);
}

.toast-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  margin-top: 2px;
  color: var(--color-text-secondary);
}

.toast-content {
  flex: 1 1 auto;
  min-width: 0;
}

.toast-title {
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.toast-message {
  color: var(--color-text-secondary);
}

.toast-close {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; /* touch target */
  height: 44px;
  margin: calc(-1 * var(--space-8)) calc(-1 * var(--space-8)) 0 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
}

.toast-close:hover {
  color: var(--color-text-primary);
}

/* accent-derived tones — icon color only, no second hue */
.toast-success .toast-icon {
  color: var(--color-accent);
}
.toast-danger .toast-icon {
  color: var(--color-accent-hover);
}

@media (prefers-reduced-motion: no-preference) {
  .toast {
    animation: toast-in var(--dur-reveal-in) var(--ease-enter) both;
    transition: background-color var(--dur-micro-in) var(--ease-enter);
  }
  @keyframes toast-in {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}

/* ==================================================================== Nav */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: color-mix(in srgb, var(--color-surface-0) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-24);
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding: var(--space-12) var(--space-24);
  min-height: 64px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  color: var(--color-text-primary);
}

.nav-brandmark {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
}

/* wordmark: Inter 300, lowercase, tracking -0.02em — the brand signal */
.nav-wordmark {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--fs-heading-sm);
  letter-spacing: -0.02em;
  text-transform: lowercase;
  line-height: 1;
  color: var(--color-text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-inline-start: var(--space-16);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px; /* touch target */
  padding: var(--space-8) var(--space-12);
  border-radius: var(--radius-md);
  font-size: var(--fs-body);
  letter-spacing: var(--ls-body);
  color: var(--color-text-secondary);
}

.nav-link[aria-current="page"] {
  color: var(--color-text-primary);
}

@media (prefers-reduced-motion: no-preference) {
  .nav-link {
    transition: color var(--dur-micro-in) var(--ease-enter);
  }
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.nav-end {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-inline-start: auto;
}

.nav-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; /* touch target */
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
  color: var(--color-text-secondary);
  cursor: pointer;
}

@media (prefers-reduced-motion: no-preference) {
  .nav-theme-toggle {
    transition:
      background-color var(--dur-micro-in) var(--ease-enter),
      color var(--dur-micro-in) var(--ease-enter);
  }
}

.nav-theme-toggle:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-2);
}

.nav-theme-icon {
  display: none;
  align-items: center;
}

/* show moon in light (action = go dark), sun in dark (action = go light) */
:root:not([data-theme="dark"]) .nav-theme-icon-moon {
  display: inline-flex;
}
:root[data-theme="dark"] .nav-theme-icon-sun {
  display: inline-flex;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .nav-theme-icon-moon {
    display: none;
  }
  :root:not([data-theme="light"]) .nav-theme-icon-sun {
    display: inline-flex;
  }
}

/* ================================================================= Footer */

.footer {
  flex-shrink: 0;
  border-top: 1px solid var(--color-border-subtle);
  background: var(--color-surface-0);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-48);
  justify-content: space-between;
  max-width: 1120px;
  margin-inline: auto;
  padding: var(--space-64) var(--space-24) var(--space-32);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  max-width: 280px;
}

.footer-cols {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-48);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  min-width: 120px;
}

.footer-col-heading {
  text-transform: uppercase;
}

.footer-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--fs-body-sm);
}

@media (prefers-reduced-motion: no-preference) {
  .footer-link {
    transition: color var(--dur-micro-in) var(--ease-enter);
  }
}

.footer-link:hover {
  color: var(--color-text-primary);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  max-width: 1120px;
  margin-inline: auto;
  padding: var(--space-24);
  border-top: 1px solid var(--color-border-subtle);
}

.footer-meta-icon {
  display: inline-flex;
  align-items: center;
}

/* =================================================================== Stat */

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.stat-head {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
}

.stat-icon {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-secondary);
}

.stat-value-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-8);
}

.stat-value {
  font-size: var(--fs-display-md);
  font-weight: var(--fw-display-md);
  line-height: var(--lh-display-md);
  letter-spacing: var(--ls-display-md);
  color: var(--color-text-primary);
}

.stat-delta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-ui-label);
  color: var(--color-text-secondary);
}

.stat-delta-arrow {
  font-size: var(--fs-body-sm);
}

/* trend tones: accent for positive, deeper accent for negative, muted for flat */
.stat-delta-up {
  color: var(--color-accent);
}
.stat-delta-down {
  color: var(--color-accent-hover);
}
.stat-delta-flat {
  color: var(--color-text-tertiary);
}

/* ============================================================= QR preview */

.qr-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-12);
  margin: 0;
}

/* QR scannability absolute: dark modules on white always — do not remove for theme consistency. See design-system docs. */
.qr-preview-surface {
  color-scheme: light;
  background: var(--color-qr-background); /* invariant #FFFFFF in both themes */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

/* dark modules forced on white: injected svg inherits the invariant module
   color via currentColor; the engine emits modules with fill="currentColor". */
.qr-preview-surface svg {
  display: block;
  width: 220px;
  height: 220px;
  color: var(--color-qr-module);
}

.qr-preview-caption {
  text-align: center;
  max-width: 280px;
  overflow-wrap: anywhere;
}

.qr-preview-hero .qr-preview-surface {
  padding: var(--space-32);
}

@media (prefers-reduced-motion: no-preference) {
  .qr-preview-hero .qr-preview-surface {
    transition:
      box-shadow var(--dur-micro-in) var(--ease-enter),
      transform var(--dur-micro-in) var(--ease-enter);
  }
  .qr-preview-hero .qr-preview-surface:hover {
    transform: scale(1.02);
  }
}

.qr-preview-hero .qr-preview-surface:hover {
  box-shadow: var(--shadow-qr-hover);
}

/* ============================================== Hosted landing pages (/p) */

.lp {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-32) var(--space-24) var(--space-24);
  background: var(--color-surface-0);
}

.lp-inner {
  width: 100%;
  max-width: 480px;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.lp-footer {
  margin-top: var(--space-48);
  padding-top: var(--space-24);
  text-align: center;
}

.lp-footer-brand {
  font-weight: 300;
  letter-spacing: -0.02em;
  text-transform: lowercase;
  color: var(--color-text-secondary);
}

.lp-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.lp-head-center {
  align-items: center;
  text-align: center;
}

.lp-title {
  color: var(--color-text-primary);
}

.lp-subtitle,
.lp-bio {
  max-width: 40ch;
}

.lp-bio {
  margin-top: var(--space-8);
}

.lp-empty {
  padding: var(--space-32) 0;
  text-align: center;
}

/* avatar / app icon */
.lp-avatar {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

.lp-avatar-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-display-md);
  font-weight: var(--fw-display-md);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border-color: transparent;
}

.lp-app-icon {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-2xl);
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: var(--color-surface-1);
}

.lp-app-icon-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
}

/* action button stacks */
.lp-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.lp-actions-stacked {
  width: 100%;
}

.lp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  min-height: 52px;
  padding: var(--space-12) var(--space-24);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-1);
  color: var(--color-text-primary);
  font-size: var(--fs-body);
  font-weight: var(--fw-ui-label);
  letter-spacing: var(--ls-ui-label);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.lp-btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
  border-color: var(--color-accent);
}

.lp-btn-icon {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.lp-btn-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (prefers-reduced-motion: no-preference) {
  .lp-btn {
    transition:
      background-color var(--dur-micro-in) var(--ease-enter),
      border-color var(--dur-micro-in) var(--ease-enter),
      transform 80ms linear;
  }
  .lp-btn:active {
    transform: translateY(1px);
  }
}

.lp-btn:hover {
  border-color: var(--color-text-tertiary);
}
.lp-btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

/* menu */
.lp-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.lp-menu-section-title {
  color: var(--color-text-primary);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-16);
}

.lp-menu-items {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.lp-menu-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-16);
}

.lp-menu-item-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 0;
}

.lp-menu-item-name {
  color: var(--color-text-primary);
}

.lp-menu-item-price {
  flex: 0 0 auto;
  color: var(--color-text-primary);
  font-weight: var(--fw-ui-label);
}

/* pdf */
.lp-pdf-frame {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-1);
  box-shadow: var(--shadow-sm);
}

.lp-pdf-viewer {
  display: block;
  width: 100%;
  height: 70vh;
  border: 0;
  background: var(--color-surface-1);
}

/* ===================================================== Onboarding (/onboarding) */

.ob {
  max-width: 880px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.ob-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.ob-title {
  color: var(--color-text-primary);
}

.ob-lede {
  max-width: 52ch;
}

/* stepper */
.ob-stepper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-24);
  list-style: none;
  padding: 0;
}

.ob-step {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  color: var(--color-text-tertiary);
}

.ob-step-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-1);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-ui-label);
  color: var(--color-text-secondary);
  flex: 0 0 auto;
}

.ob-step-current {
  color: var(--color-text-primary);
}
.ob-step-current .ob-step-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}
.ob-step-done {
  color: var(--color-text-secondary);
}
.ob-step-done .ob-step-dot {
  background: var(--color-accent-subtle);
  border-color: transparent;
  color: var(--color-accent);
}

/* panels */
.ob-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.ob-panel-title {
  color: var(--color-text-primary);
}

.ob-grid {
  display: grid;
  gap: var(--space-32);
  grid-template-columns: 1fr;
  align-items: start;
}

@media (min-width: 720px) {
  .ob-grid {
    grid-template-columns: 1fr minmax(240px, 320px);
  }
}

.ob-grid-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.ob-grid-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-12);
  position: sticky;
  top: var(--space-32);
}

.ob-preview-note {
  text-align: center;
}

.ob-hint {
  max-width: 48ch;
}

.ob-body {
  max-width: 56ch;
}

/* type picker cards */
.ob-types {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
}

@media (min-width: 560px) {
  .ob-types {
    grid-template-columns: 1fr 1fr;
  }
}

.ob-type {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
  text-align: left;
  padding: var(--space-16);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-1);
  color: var(--color-text-primary);
  cursor: pointer;
  min-height: 44px;
}

.ob-type-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  flex: 0 0 auto;
}

.ob-type-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 0;
}

.ob-type-label {
  color: var(--color-text-primary);
  font-weight: var(--fw-ui-label);
}

@media (prefers-reduced-motion: no-preference) {
  .ob-type {
    transition:
      border-color var(--dur-micro-in) var(--ease-enter),
      box-shadow var(--dur-micro-in) var(--ease-enter),
      transform var(--dur-micro-in) var(--ease-enter);
  }
  .ob-type:hover {
    transform: translateY(-2px);
  }
}

.ob-type:hover {
  border-color: var(--color-text-tertiary);
  box-shadow: var(--shadow-md);
}

.ob-type-selected {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

/* summary */
.ob-summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  padding: var(--space-16);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface-1);
  margin: 0;
}

.ob-summary-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-16);
}

.ob-summary-row dd {
  margin: 0;
  color: var(--color-text-primary);
}

/* footer nav */
.ob-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border-subtle);
}

.ob-nav-btns {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  margin-inline-start: auto;
}

.ob-skip {
  color: var(--color-text-secondary);
}

@media (prefers-reduced-motion: no-preference) {
  .ob-skip {
    transition: color var(--dur-micro-in) var(--ease-enter);
  }
}

.ob-skip:hover {
  color: var(--color-text-primary);
}

/* =========================================================== Styleguide aux */

.sg-section {
  padding-block: var(--space-48);
  border-bottom: 1px solid var(--color-border-subtle);
}

.sg-section:last-child {
  border-bottom: none;
}

.sg-section-title {
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
}

.sg-section-note {
  margin-bottom: var(--space-24);
  max-width: 60ch;
}

.sg-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-16);
}

.sg-grid {
  display: grid;
  gap: var(--space-24);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.sg-swatches {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.sg-swatch {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.sg-swatch-chip {
  height: 56px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.sg-icons {
  display: grid;
  gap: var(--space-16);
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
}

.sg-icon-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
  color: var(--color-text-primary);
}

.sg-icon-name {
  color: var(--color-text-secondary);
}

/* ============================================================== Marketing */

/* Generous, calm spacing is the brand signal — hero is whitespace-led. */

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-48);
  align-items: center;
  padding-block: var(--space-96) var(--space-64);
}

@media (min-width: 880px) {
  .hero {
    grid-template-columns: 1fr minmax(360px, 0.85fr);
    gap: var(--space-64);
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.hero-title {
  color: var(--color-text-primary);
  margin: 0;
  /* Calm, confident scale: 40px on phones → 64px (the display-hero token) on
     desktop. Balanced wrapping so it never stacks one word per line. */
  font-size: clamp(2.5rem, 6vw, 4rem);
  text-wrap: balance;
  max-width: 16ch;
}

.hero-lead {
  max-width: 42ch;
  margin: 0;
}

/* The live generator — the hero's centerpiece. A calm vertical card: the
   perfect scannable QR on top, a full-width URL field below. */
.generator {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-32);
}

.generator-input {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  width: 100%;
  min-width: 0;
  order: 2;
}

.generator-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  width: 100%;
  order: 1;
}

/* CTA reveal: opacity-only, honoring the 80ms reduced-motion exception. */
.generator-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.generator-cta[hidden] {
  display: none;
}

.generator-cta-note {
  margin: 0;
  text-align: center;
}

@media (prefers-reduced-motion: no-preference) {
  .generator-cta:not([hidden]) {
    animation: gen-cta-in var(--dur-reveal-in) var(--ease-enter) both;
  }
  @keyframes gen-cta-in {
    from {
      opacity: 0;
      transform: translateY(6px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .generator-cta:not([hidden]) {
    animation: gen-cta-fade var(--dur-opacity-exception) linear both;
  }
  @keyframes gen-cta-fade {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
}

.generator-status {
  margin: 0;
  min-height: 1.4em;
  text-align: center;
}

/* Brand Match action under the URL field. */
.generator-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.generator-brand[hidden] {
  display: none;
}
.generator-brand-note {
  margin: 0;
  min-height: 1.2em;
  text-align: center;
}

/* ----------------------------------------------------- Marketing sections */

.section {
  padding-block: var(--space-96);
  border-top: 1px solid var(--color-border-subtle);
}

.section-quiet {
  background: var(--color-surface-0);
}

@media (max-width: 640px) {
  .section {
    padding-block: var(--space-64);
  }
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  max-width: 60ch;
  margin-bottom: var(--space-48);
}

.section-eyebrow {
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0;
}

.section-title {
  color: var(--color-text-primary);
  margin: 0;
}

.section-lead {
  margin: 0;
}

.section-cta {
  display: flex;
  justify-content: center;
  margin-top: var(--space-48);
}

.inline-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  .inline-link {
    transition: color var(--dur-micro-in) var(--ease-enter);
  }
}

.inline-link:hover {
  color: var(--color-accent-hover);
}

/* -------------------------------------------------------------- Features */

.feature-grid {
  display: grid;
  gap: var(--space-24);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.feature-title {
  color: var(--color-text-primary);
  margin: 0;
}

.feature-body {
  margin: 0;
}

/* Feature detail (features page) */
.feature-detail-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.feature-detail {
  display: flex;
  gap: var(--space-24);
  align-items: flex-start;
}

@media (max-width: 560px) {
  .feature-detail {
    flex-direction: column;
    gap: var(--space-16);
  }
}

.feature-detail-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  min-width: 0;
}

.feature-detail-copy h2 {
  color: var(--color-text-primary);
  margin: 0;
}

.feature-detail-copy > p {
  margin: 0;
  max-width: 60ch;
}

.feature-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.feature-point {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
}

.feature-point-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--color-accent);
}

/* ------------------------------------------------------------- Use cases */

.usecase-strip {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.usecase-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface-1);
  color: var(--color-text-primary);
}

.usecase-chip-icon {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
}

.usecase-grid {
  display: grid;
  gap: var(--space-24);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.usecase {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.usecase-example {
  margin: 0;
  color: var(--color-text-secondary);
}

.usecase-example-label {
  color: var(--color-accent);
  text-transform: uppercase;
}

/* --------------------------------------------------------------- Pricing */

.plan-grid {
  display: grid;
  gap: var(--space-24);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-width: 760px;
}

.plan-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-32);
}

.plan-card-featured {
  border-color: var(--color-accent);
}

.plan-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.plan-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
}

.plan-name-row h2 {
  color: var(--color-text-primary);
  margin: 0;
}

.plan-tagline {
  margin: 0;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-8);
  margin: 0;
}

.plan-price-amount {
  color: var(--color-text-primary);
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  flex: 1 1 auto;
}

.plan-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
}

.plan-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--color-accent);
}

.plan-cta {
  margin-top: auto;
}

.pricing-note {
  margin-top: var(--space-32);
  max-width: 60ch;
}

/* ------------------------------------------------------------------ Docs */

.docs {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-48);
}

@media (min-width: 880px) {
  .docs {
    grid-template-columns: 220px 1fr;
    gap: var(--space-64);
    align-items: start;
  }
}

.docs-toc {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

@media (min-width: 880px) {
  .docs-toc {
    position: sticky;
    top: var(--space-96);
  }
}

.docs-toc-heading {
  text-transform: uppercase;
  margin: 0;
}

.docs-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.docs-toc-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--color-text-secondary);
  font-size: var(--fs-body-sm);
}

@media (prefers-reduced-motion: no-preference) {
  .docs-toc-link {
    transition: color var(--dur-micro-in) var(--ease-enter);
  }
}

.docs-toc-link:hover {
  color: var(--color-text-primary);
}

.docs-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-48);
  min-width: 0;
}

.docs-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  scroll-margin-top: var(--space-96);
}

.docs-section h2 {
  color: var(--color-text-primary);
  margin: 0;
}

.docs-section p {
  margin: 0;
  max-width: 68ch;
}

.code-block {
  margin: 0;
  padding: var(--space-16);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-primary);
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--fs-body-sm);
  line-height: 1.6;
}

.code-block code {
  font-family: inherit;
  white-space: pre;
}

.code-inline {
  padding: 2px var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  color: var(--color-text-primary);
}

/* =================================================================== Auth */

.auth {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-32);
  padding: var(--space-48) var(--space-24);
}

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  color: var(--color-text-primary);
}

.auth-brandmark {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
}

/* wordmark: Inter 300, lowercase, tracking -0.02em — the brand signal */
.auth-wordmark {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--fs-heading-sm);
  letter-spacing: -0.02em;
  text-transform: lowercase;
  line-height: 1;
  color: var(--color-text-primary);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-32);
}

.auth-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.auth-title {
  color: var(--color-text-primary);
}

.auth-lead {
  margin: 0;
}

.auth-email {
  color: var(--color-text-primary);
  font-weight: var(--fw-ui-label);
  overflow-wrap: anywhere;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  margin-block: var(--space-8);
}

.auth-fineprint {
  margin: 0;
}

.auth-devnote {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  padding: var(--space-16);
  color: var(--color-text-secondary);
}

.auth-devnote p {
  margin: 0;
}

.auth-code,
.auth-devnote code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: var(--fs-caption);
  background: var(--color-surface-3);
  color: var(--color-text-primary);
  padding: 0 var(--space-4);
  border-radius: var(--radius-sm);
}

/* ============================================================== Dashboard */

.dash-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-16);
  margin-bottom: var(--space-32);
}

.dash-heading {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.dash-sub {
  margin: 0;
}

.dash-toolbar {
  margin-bottom: var(--space-24);
}

.dash-search {
  max-width: 360px;
}

.dash-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.dash-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.dash-section-title {
  text-transform: uppercase;
  letter-spacing: var(--ls-ui-label);
  margin: 0;
}

.dash-section-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.dash-empty-search {
  text-align: center;
  padding: var(--space-32);
}

/* QR list item (a Card variant) */
.qr-item {
  padding: var(--space-16) var(--space-24);
}

.qr-item-row {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.qr-item-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
}

.qr-item-main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.qr-item-title {
  margin: 0;
  color: var(--color-text-primary);
  font-weight: var(--fw-ui-label);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.qr-item-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-8);
}

.qr-item-scans {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 64px;
}

.qr-item-scans-value {
  color: var(--color-text-primary);
}

.qr-item-scans-label {
  margin: 0;
}

.qr-item-meta {
  flex: 0 0 auto;
  min-width: 96px;
  text-align: right;
}

.qr-item-actions {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
}

/* Empty state */
.dash-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-16);
  max-width: 440px;
  margin: var(--space-64) auto;
  padding: var(--space-48) var(--space-32);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
  box-shadow: var(--shadow-sm);
}

.dash-empty-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.dash-empty-title {
  margin: 0;
  color: var(--color-text-primary);
}

.dash-empty-text {
  margin: 0;
}

@media (max-width: 720px) {
  .qr-item-row {
    flex-wrap: wrap;
  }
  .qr-item-meta {
    text-align: left;
  }
  .qr-item-actions {
    width: 100%;
  }
  .qr-item-actions .qr-item-action {
    flex: 1 1 auto;
  }
}

/* =============================================================== Settings */

.settings-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-32);
}

.settings-sub {
  margin: 0;
}

.settings-grid {
  display: grid;
  gap: var(--space-24);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.settings-defs {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  margin: 0;
}

.settings-def {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.settings-def-label {
  margin: 0;
}

.settings-def-value {
  margin: 0;
  color: var(--color-text-primary);
  overflow-wrap: anywhere;
}

.settings-upgrade {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-top: var(--space-24);
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border-subtle);
}

.settings-upgrade-note {
  margin: 0;
}

.settings-theme-hint {
  margin: 0;
}

.settings-theme-glyph {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  margin-inline: var(--space-8);
  vertical-align: middle;
  color: var(--color-text-secondary);
}

.settings-signout-text {
  margin: 0 0 var(--space-16);
}


/* ===========================================================================
   QR Studio + QR detail + analytics charts (token-only).
   Every transition is wrapped in @media (prefers-reduced-motion: no-preference).
   =========================================================================== */

/* Shared empty state (not-found / no-content) */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
  text-align: center;
  padding: var(--space-96) var(--space-24);
}

/* ---- Studio --------------------------------------------------------------- */
.studio-head {
  margin-bottom: var(--space-32);
}
.studio-sub {
  margin: var(--space-8) 0 0;
  max-width: 52ch;
}

.studio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--space-32);
  align-items: start;
}
@media (max-width: 900px) {
  .studio-grid {
    grid-template-columns: 1fr;
  }
}

.studio-panel {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
}
.studio-panel-title {
  margin: 0 0 var(--space-16);
}

/* Type picker grid */
.studio-types {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-12);
}
.studio-type {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
  padding: var(--space-12);
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-0);
  color: var(--color-text-primary);
  cursor: pointer;
  appearance: none;
}
@media (prefers-reduced-motion: no-preference) {
  .studio-type {
    transition: border-color var(--dur-micro-in) var(--ease-enter),
      background var(--dur-micro-in) var(--ease-enter);
  }
}
.studio-type:hover {
  border-color: var(--color-text-tertiary);
}
.studio-type[aria-checked="true"] {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}
.studio-type-icon {
  color: var(--color-accent);
}
.studio-type-label {
  display: block;
}
.studio-type-blurb {
  display: block;
}

/* Content fields */
.studio-fields {
  display: grid;
  gap: var(--space-16);
}
.studio-fields[hidden] {
  display: none;
}
.studio-rich-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-8);
  margin: 0;
  padding: var(--space-12);
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  color: var(--color-text-secondary);
}

/* Checkbox row */
.studio-check-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  cursor: pointer;
}
.studio-check-row input[type="checkbox"] {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}
.studio-toggle-help {
  display: block;
  margin-top: var(--space-4);
}

/* Customization grid */
.studio-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-24);
}
.studio-brand-note {
  margin: 0;
  text-align: center;
}
.studio-design-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-16);
}
.studio-color {
  width: 100%;
  height: 44px;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-0);
  cursor: pointer;
}
.studio-logo-field {
  margin-top: var(--space-16);
}

/* Preview column (sticky on desktop) */
.studio-preview-col {
  position: relative;
}
.studio-preview-sticky {
  position: sticky;
  top: var(--space-24);
}
.studio-actions {
  width: 100%;
}
.studio-export {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.studio-export .btn {
  width: 100%;
}

.studio-warn {
  margin: 0;
  padding: var(--space-12);
  border-radius: var(--radius-md);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body-sm);
  background: var(--color-accent-subtle);
  color: var(--color-text-primary);
  border: 1px solid var(--color-accent);
}
.studio-warn[data-tone="danger"] {
  border-color: var(--color-text-secondary);
}
.studio-error {
  margin: 0;
  color: var(--color-text-primary);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-12);
  font-size: var(--fs-body-sm);
}

/* ---- QR detail ------------------------------------------------------------ */
.qr-detail-breadcrumb {
  margin-bottom: var(--space-16);
}
.qr-detail-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--fs-body-sm);
}
.qr-detail-back-icon {
  transform: rotate(90deg);
}

.qr-detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-16);
  flex-wrap: wrap;
  margin-bottom: var(--space-32);
}
.qr-detail-title-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
}
.qr-detail-type-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  flex: none;
}
.qr-detail-meta {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-top: var(--space-8);
}
.qr-detail-actions {
  display: flex;
  gap: var(--space-8);
}

.qr-detail-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: var(--space-32);
  align-items: start;
}
@media (max-width: 900px) {
  .qr-detail-grid {
    grid-template-columns: 1fr;
  }
}

.qr-detail-code-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  align-items: center;
}
.qr-detail-downloads {
  width: 100%;
}
.qr-detail-downloads .btn {
  width: 100%;
}

.qr-detail-dest h2 {
  margin: 0 0 var(--space-12);
}
.qr-detail-printed {
  margin: 0 0 var(--space-12);
}
.qr-detail-mono {
  font-feature-settings: "tnum" 1;
  color: var(--color-text-primary);
  word-break: break-all;
}
.qr-detail-dest-row {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
}
.qr-detail-dest-row .input {
  flex: 1;
}

/* Analytics */
.qr-detail-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-16);
}
.qr-detail-chart-card,
.qr-detail-breakdowns .card {
  padding: var(--space-24);
}
.qr-detail-chart-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-16);
}
.qr-detail-chart-head h3 {
  margin: 0;
}
.qr-detail-breakdowns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24);
}
@media (max-width: 640px) {
  .qr-detail-breakdowns {
    grid-template-columns: 1fr;
  }
}
.qr-detail-breakdowns h3 {
  margin: 0 0 var(--space-16);
}

/* ---- Charts --------------------------------------------------------------- */
.qr-chart {
  width: 100%;
  color: var(--color-accent);
}
.qr-chart-svg {
  width: 100%;
  height: 200px;
  display: block;
}
.qr-chart-axis {
  stroke: var(--color-border);
  stroke-width: 1;
}
.qr-chart-area {
  fill: var(--color-accent-subtle);
  stroke: none;
}
.qr-chart-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}
.qr-chart-dot {
  fill: currentColor;
}
.qr-chart-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-8);
}
.qr-chart-empty {
  margin: var(--space-24) 0;
  text-align: center;
}

.qr-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}
.qr-bar-row {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  align-items: center;
  gap: var(--space-12);
}
.qr-bar-label {
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.qr-bar-track {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  overflow: hidden;
}
.qr-bar-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}
@media (prefers-reduced-motion: no-preference) {
  .qr-bar-fill {
    transition: width var(--dur-reveal-in) var(--ease-enter);
  }
}
.qr-bar-value {
  color: var(--color-text-secondary);
  text-align: right;
}