/* v0.9 SVG presentation, scoped to the shoulder method and existing phone shell. */
.shoulder-preview-shell:not(.show-review) { display: flex; justify-content: center; width: 100%; max-width: none; padding: 28px 16px; }
.shoulder-preview-shell:not(.show-review) > .review-sidebar,
.shoulder-preview-shell:not(.show-review) > .review-notes,
.shoulder-preview-shell:not(.show-review) .preview-heading,
.shoulder-preview-shell:not(.show-review) .preview-notice,
.shoulder-preview-shell:not(.show-review) .preview-caption,
.shoulder-preview-shell:not(.show-review) .mobile-review { display: none; }
.shoulder-preview-shell:not(.show-review) .preview-workspace { width: var(--preview-width); max-width: 100%; }
.phone.shoulder-surface[data-screen="task"] { height: min(var(--preview-height), calc(100dvh - 56px)); min-height: 480px; }
.shoulder-surface[data-screen="task"] .page-scroll { display: flex; flex-direction: column; }
.shoulder-surface .page-scroll > .shoulder-page { position: relative; display: flex; flex-direction: column; flex: 1; min-height: 540px; padding: 18px 25px 20px; isolation: isolate; }
.shoulder-page::before { position: absolute; z-index: -1; pointer-events: none; content: ''; inset: 150px -50px 115px; background: radial-gradient(ellipse 53% 52% at 50% 52%, rgba(255,212,196,.18), rgba(255,236,222,.08) 60%, transparent 85%); }
.shoulder-intro { flex: none; }
.shoulder-intro h1 { font-size: 29px; letter-spacing: -.03em; line-height: 1.36; margin: 0 0 8px; font-weight: 720; }
.shoulder-intro p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.shoulder-progress { margin-top: 24px; display: flex; flex: none; align-items: center; gap: 12px; min-height: 22px; }
.shoulder-track { height: 5px; border-radius: 100px; background: #f0e6e0; flex: 1; overflow: hidden; }
.shoulder-fill { background: linear-gradient(90deg, #f6b39a, #e95c33); height: 100%; width: 0%; border-radius: 100px; }
.shoulder-count { color: var(--muted); font-size: 11px; min-width: 46px; text-align: right; font-variant-numeric: tabular-nums; }
.shoulder-visual { flex: 1; min-height: 215px; display: flex; justify-content: center; align-items: center; position: relative; isolation: isolate; margin: -8px -25px 0; overflow: hidden; }
.shoulder-visual::before { content: ''; width: 78%; height: 62%; position: absolute; left: 11%; top: 25%; background: radial-gradient(ellipse at center, rgba(255,219,206,.40), rgba(255,232,220,.18) 50%, transparent 73%); filter: blur(17px); pointer-events: none; }
.shoulder-visual svg { width: 100%; height: 100%; max-width: 455px; position: absolute; inset: 0; margin: auto; overflow: visible; z-index: 1; }
.shoulder-visual .shadow { opacity: .58; }
.shoulder-visual .motion-echo { opacity: 0; transition: opacity .4s ease; }
.shoulder-visual .decor-a, .shoulder-visual .decor-b, .shoulder-visual .decor-c { transform-box: fill-box; transform-origin: center; animation: shoulder-float 7.5s ease-in-out infinite; }
.shoulder-visual .decor-b { animation-delay: -2.9s; animation-duration: 9s; }
.shoulder-visual .decor-c { animation-delay: -4s; animation-duration: 8.5s; }
@keyframes shoulder-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
.shoulder-visual .guide-rays { opacity: 0; transition: opacity .25s ease; }
.shoulder-visual .head-rest { transform-origin: 190px 158px; }
.shoulder-status { display: flex; flex: none; flex-direction: column; align-items: center; text-align: center; gap: 7px; min-height: 101px; margin-top: -8px; position: relative; z-index: 3; }
.shoulder-status h2 { font-size: 22px; margin: 0; font-weight: 680; letter-spacing: -.03em; line-height: 1.5; }
.shoulder-status p { font-size: 12px; line-height: 1.5; color: var(--muted); min-height: 18px; }
.shoulder-rounds { display: flex; gap: 6px; margin-top: 10px; opacity: .72; }
.shoulder-rounds i { display: block; width: 16px; height: 3px; border-radius: 4px; background: #eee3dc; transition: background .3s, width .3s, opacity .3s; }
.shoulder-rounds i.on { background: #f3a78b; width: 24px; opacity: 1; }
.shoulder-rounds i.done { background: #f3c8b7; opacity: .9; }
.shoulder-controls { position: relative; z-index: 3; min-height: 101px; display: flex; align-items: end; gap: 12px; flex: none; }
.shoulder-controls .button { flex: 1; height: 54px; border-radius: 19px; font-size: var(--button-font-size); line-height: var(--leading-md); font-weight: var(--button-font-weight); }
.shoulder-controls .button.quiet { padding: 10px 15px; background: transparent; border: 1.5px solid #ebd9cf; color: var(--muted); }
.shoulder-controls .button.quiet:last-child { background: #fffdfc; color: var(--ink); border-color: #ead9cf; }


.shoulder-controls .button:hover { text-decoration: none; }
.shoulder-page[data-state="ready"] .shoulder-controls .button { height: 56px; border-radius: 20px; font-size: 16px; }
.shoulder-footer { font-size: 10px; color: var(--muted); text-align: center; min-height: 16px; line-height: 16px; margin-top: 9px; flex: none; }
.shoulder-page[data-state="paused"] .decor-a, .shoulder-page[data-state="paused"] .decor-b, .shoulder-page[data-state="paused"] .decor-c { animation-play-state: paused; }
.shoulder-surface .method-card > .artwork { max-height: 270px; }
@media (max-width: 760px) {
  .shoulder-preview-shell:not(.show-review) { display: block; padding: 0; }
  .shoulder-preview-shell:not(.show-review) .preview-workspace { width: 100%; }
  .phone.shoulder-surface { height: 100dvh; min-height: 0; padding-top: var(--safe-top); }
  .shoulder-surface .home-indicator { height: var(--safe-bottom); }
  .shoulder-surface .home-indicator::after { display: none; }
}
@media (max-height: 715px) {
  .shoulder-surface .page-scroll > .shoulder-page { min-height: 450px; padding-top: 3px; padding-bottom: 10px; }
  .shoulder-intro h1 { font-size: 25px; margin-bottom: 4px; }
  .shoulder-intro p { font-size: 12px; }
  .shoulder-progress { margin-top: 12px; }
  .shoulder-status { min-height: 79px; gap: 2px; }
  .shoulder-status h2 { font-size: 18px; }
  .shoulder-rounds { margin-top: 4px; }
  .shoulder-controls { min-height: 78px; }
  .shoulder-controls .button, .shoulder-page[data-state="ready"] .shoulder-controls .button { height: 47px; min-height: 47px; }
  .shoulder-visual { margin-top: -3px; }
}
@media (prefers-reduced-motion: reduce) {
  .shoulder-visual .decor-a, .shoulder-visual .decor-b, .shoulder-visual .decor-c { animation: none; }
  .shoulder-visual .guide-rays, .shoulder-visual .motion-echo, .shoulder-rounds i { transition: none; }
}
.reduce-motion .shoulder-visual .decor-a, .reduce-motion .shoulder-visual .decor-b, .reduce-motion .shoulder-visual .decor-c { animation: none; }