/* Shared rhythm. Device geometry and control internals live in their own layers. */
:root {
  --dj-rhythm: 16px;
  --dj-rhythm-tight: 8px;
  --dj-card-inset: 16px;
  --dj-motion-fast: 160ms;
  --dj-motion-ease: cubic-bezier(.2, .7, .2, 1);
}

/* The stage is the existing `preview` query container, including device previews. */
.preview-canvas .app-content {
  --dj-rhythm: 16px;
  --dj-card-inset: 16px;
  padding: 24px 28px;
}
.preview-canvas .app-content > * {
  margin-block: 0;
}
.preview-canvas .app-content > * + * {
  margin-block-start: var(--dj-rhythm);
}
.preview-canvas .app-content > .app-top + h4 {
  margin-block-start: 18px;
}
.preview-canvas .app-content > h4 + .sub {
  margin-block-start: 6px;
}
.preview-canvas .app-content > .sub + * {
  margin-block-start: 20px;
}
.preview-canvas .app-content > label:not(.check-label) {
  margin-block: 14px 6px;
}
.preview-canvas .app-content > label + :is(input, select, textarea) {
  margin-block-start: 0;
}
.preview-canvas .app-content > .check-label {
  margin-block-start: 12px;
}
.preview-canvas .app-content > .mini-note {
  margin-block-start: 12px;
}
.preview-canvas .app-content > .app-actions + :is(.app-actions, .mini-note) {
  margin-block-start: var(--dj-rhythm-tight);
}
.app-content .app-grid > div > label:first-child {
  margin-block-start: 0;
}

/* Cards share one inset; their content supplies spacing only once. */
.app-content :where(.app-card) {
  margin-block: 0;
}
.app-content .app-card:not(.dj-card) {
  padding: var(--dj-card-inset);
}
.app-content :is(.app-grid, .stat-grid) {
  gap: 12px;
}
.app-content .stat-grid .app-card {
  padding: 14px;
}
.app-content .app-card > .kicker {
  margin-block: 0 6px;
}
.app-content .app-card > .app-actions {
  margin-block: 12px 0;
}
.app-content .app-card > .mini-note {
  margin-block: 10px 0;
}
.app-content .app-card > .post-text {
  margin-block: 12px;
}
.app-content .app-card > .post-text + .app-actions {
  margin-block-start: 8px;
}
.app-content .app-card > .post-text:last-child {
  margin-block-end: 0;
}
.app-content .app-row {
  padding-block: 10px;
}
.app-content .app-card > .app-row:first-child {
  padding-block-start: 0;
}
.app-content .app-card > .app-row:last-child {
  padding-block-end: 0;
}
.app-content .app-card > .timeline {
  margin-block-start: 14px;
}
.app-content .timeline li {
  padding-block-end: 18px;
}
.app-content .timeline li:last-child {
  padding-block-end: 0;
}
.preview-canvas .app-content .profile-cover + .profile-bio {
  padding-block: 0;
  margin-block-start: 12px;
}
.preview-canvas .app-content .profile-cover + .profile-bio + .app-actions {
  margin-block: 12px 0;
}
.app-content .proof-video {
  display: block;
}
.app-content .notification-item + .notification-item {
  padding-block-start: 12px;
}
.app-content .notification-item:not(:last-child) {
  padding-block-end: 10px;
}
.app-content .notification-item > .app-row {
  padding-block: 0;
}
.app-content .notification-item > .app-actions {
  margin-block: 4px 0;
}
.app-content .settings-row {
  padding-block: 12px;
}
.app-content :where(.success) {
  margin-block: 0;
}
#help-results .app-card {
  margin: 0;
  padding: var(--dj-card-inset);
}

/* Supporting instructions should not add a second stack of margins. */
.section-heading {
  margin-block-end: 24px;
}
.section-heading .eyebrow {
  margin-block-end: 12px;
}
.tour-bar {
  padding-block: 14px;
  margin-block-end: 20px;
}
.guide-panel .eyebrow {
  margin-block: 0 10px;
}
.guide-panel h3 {
  margin-block: 0 12px;
}
.guide-panel ol {
  margin-block: 20px 18px;
}
.guide-panel li {
  padding-block-end: 12px;
}
.guide-panel li:last-child {
  padding-block-end: 0;
}
.guide-panel .guide-tip {
  padding-block-start: 14px;
  margin-block-start: 0;
}
.guide-tip[open] p {
  margin-block: 10px 0;
  padding-block-start: 0;
}
.guide-panel .chapter-controls {
  margin-block-start: 20px;
}
.tour-footer {
  margin-block-start: 20px;
  padding-block-start: 0;
}
.download-row {
  margin-block-start: 22px;
}
.guide-section h2 {
  margin-block: 14px 20px;
}
.guide-section .button {
  margin-block: 20px 8px;
}

@container preview (max-width: 740px) {
  .preview-canvas .app-content {
    --dj-rhythm: 14px;
    padding: 22px 24px;
  }
}
@container preview (max-width: 480px) {
  .preview-canvas .app-content {
    --dj-rhythm: 12px;
    --dj-card-inset: 14px;
    padding: 18px 16px;
  }
  .preview-canvas .app-content > .app-top + h4 {
    margin-block-start: 14px;
  }
  .preview-canvas .app-content > .sub + * {
    margin-block-start: 16px;
  }
  .app-content :is(.app-grid, .stat-grid) {
    gap: 10px;
  }
  .app-content .timeline li {
    padding-block-end: 16px;
  }
}

/* Short, one-time entrances. Content remains visible throughout. */
@keyframes dj-chapter-enter {
  from { opacity: .88; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes dj-surface-enter {
  from { opacity: .9; }
  to { opacity: 1; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-copy {
    animation: dj-chapter-enter 280ms var(--dj-motion-ease) both;
  }
  .section-heading,
  .guide-section > div,
  .closing > * {
    animation: dj-surface-enter 240ms var(--dj-motion-ease) both;
  }
  .preview-canvas .app-content {
    animation: dj-chapter-enter 180ms var(--dj-motion-ease) both;
  }
  dialog[open],
  .guide-tip[open] p {
    animation: dj-surface-enter 160ms var(--dj-motion-ease) both;
  }
  :is(.button, .app-btn, button.app-card, .role-tabs button, #chapters button, .filter-row button, .film-chapters button, .app-nav button) {
    transition: transform var(--dj-motion-fast) var(--dj-motion-ease),
      background-color var(--dj-motion-fast) ease,
      border-color var(--dj-motion-fast) ease,
      color var(--dj-motion-fast) ease;
  }
  .toggle::after {
    transition: left var(--dj-motion-fast) var(--dj-motion-ease);
  }
  @media (hover: hover) and (pointer: fine) {
    :is(.button, .app-btn, button.app-card):hover:not(:disabled) {
      transform: translateY(-1px);
    }
  }
  :is(.button, .app-btn, button.app-card):active:not(:disabled) {
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-copy,
  .section-heading,
  .guide-section > div,
  .closing > *,
  .preview-canvas .app-content,
  dialog,
  .guide-tip p,
  .button,
  .app-btn,
  button.app-card,
  .role-tabs button,
  #chapters button,
  .filter-row button,
  .film-chapters button,
  .app-nav button,
  .toggle::after {
    animation: none !important;
    transition: none !important;
  }
  :is(.button, .app-btn, button.app-card):hover,
  :is(.button, .app-btn, button.app-card):active {
    transform: none;
  }
}
/* Captures record the resting UI, never an intermediate animation frame. */
.capture *,
.capture *::before,
.capture *::after {
  animation: none !important;
  transition: none !important;
}