.portfolio-languages{display:flex;align-items:center;gap:4px;padding:4px;border:1px solid #26366c;border-radius:999px;background:rgba(8,14,45,.86)}
.portfolio-languages button{min-width:38px;border:0;border-radius:999px;padding:7px 9px;background:transparent;color:#9aa8ca;font:800 10px/1 Manrope,sans-serif;cursor:pointer}
.portfolio-languages button.active{background:linear-gradient(135deg,#22d3ee,#2475ff);color:#fff;box-shadow:0 4px 14px #2475ff44}
.actions b{font:inherit}

@media(max-width:680px){
  .topbar{gap:8px}
  .portfolio-languages{margin-left:auto}
  .menu-button{margin-left:0}
}

/* Mobile reading mode: keep both pages large and readable instead of scaling the whole spread down. */
@media(max-width:720px){
  .book-stage.reading-mode{display:block;padding:64px 12px 90px;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain}
  .book-stage.reading-mode .book{width:100%!important;max-width:560px;height:auto;min-height:0;margin:0 auto;aspect-ratio:auto;transform:none!important;filter:none;animation:none}
  .book-stage.reading-mode .cover-back,
  .book-stage.reading-mode .page-stack,
  .book-stage.reading-mode .spine,
  .book-stage.reading-mode .flipper{display:none!important}
  .book-stage.reading-mode .spread{position:relative;inset:auto;display:flex;flex-direction:column;gap:14px;transform:none}
  .book-stage.reading-mode .paper{width:100%;min-height:520px;padding:34px 28px;border-radius:18px!important;box-shadow:0 18px 45px #0006!important;overflow:visible;transform:none}
  .book-stage.reading-mode .paper h3{font-size:clamp(25px,7.4vw,34px);line-height:1.08}
  .book-stage.reading-mode .paper p{display:block;font-size:14px;line-height:1.65}
  .book-stage.reading-mode .paper .label{font-size:11px}
  .book-stage.reading-mode .project{grid-template-columns:80px 1fr;padding:12px;gap:12px;margin-bottom:12px}
  .book-stage.reading-mode .project-visual{min-height:68px;font-size:11px}
  .book-stage.reading-mode .project h4{font-size:15px}
  .book-stage.reading-mode .project p{display:block;font-size:11px;line-height:1.4}
  .book-stage.reading-mode .tag,.book-stage.reading-mode .demo-link{font-size:9px;padding:5px 7px}
  .book-stage.reading-mode .service{padding:11px}
  .book-stage.reading-mode .service b{font-size:13px}
  .book-stage.reading-mode .service small{font-size:10px;line-height:1.35}
  .book-stage.reading-mode .mini-card{padding:12px 4px}
  .book-stage.reading-mode .mini-card b{font-size:20px}
  .book-stage.reading-mode .mini-card small,.book-stage.reading-mode .progress header{font-size:9px}
  .book-stage.reading-mode .job h4{font-size:14px}
  .book-stage.reading-mode .job small{font-size:10px}
  .book-stage.reading-mode .portrait{width:72px;height:72px}
  .book-stage.reading-mode .book-zoom{position:fixed;z-index:140;right:12px;top:12px}
  .book-stage.reading-mode .prev,.book-stage.reading-mode .next{position:fixed;z-index:135;top:auto;bottom:22px;transform:none;width:48px;height:48px;background:#147be8;border-color:#5fdcff}
  .book-stage.reading-mode .prev{left:18px}.book-stage.reading-mode .next{right:18px}
  .book-stage.reading-mode .page-count{position:fixed;z-index:135;left:50%;right:auto;bottom:31px;transform:translateX(-50%);margin:0;padding:7px 12px;border-radius:999px;background:#07102e;color:#fff}
}