/* Page travel: native scrollbar plus quiet orbit controls. */
html{scrollbar-color:#687da4 #131a29;scrollbar-width:thin}
html::-webkit-scrollbar{width:9px}html::-webkit-scrollbar-track{background:#131a29}html::-webkit-scrollbar-thumb{border:2px solid #131a29;border-radius:20px;background:linear-gradient(#69b9d5,#8271b9)}html::-webkit-scrollbar-thumb:hover{background:#80c5df}
.page-travel{position:fixed;right:20px;bottom:calc(24px + env(safe-area-inset-bottom));z-index:40;display:flex;flex-direction:column;align-items:center;padding:5px;border:1px solid #a2b4df40;border-radius:28px;background:linear-gradient(145deg,#24334de8,#1b182de8);box-shadow:0 8px 28px #0003,inset 0 1px #ffffff12;backdrop-filter:blur(16px);color:#cce8ff}
.page-travel[hidden]{display:none}.page-travel button{display:grid;place-items:center;width:40px;height:40px;padding:0;border:0;border-radius:50%;background:transparent;color:inherit;cursor:pointer;transition:background .2s,transform .2s,color .2s}.page-travel button:hover:not(:disabled){background:#8bc6ff20;transform:translateY(-2px);color:#fff}.page-travel button:last-child:hover:not(:disabled){transform:translateY(2px)}.page-travel button:disabled{opacity:.25;cursor:default}.page-travel button:focus-visible{outline:2px solid #65bddf;outline-offset:2px}.page-travel svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.page-travel>span{width:22px;height:2px;border-radius:2px;background:linear-gradient(to right,#79c7e6 calc(var(--progress)*100%),#92a3c52b 0)}
html[data-theme=light]{scrollbar-color:#899cc7 #edf1f8}html[data-theme=light]::-webkit-scrollbar-track{background:#edf1f8}html[data-theme=light]::-webkit-scrollbar-thumb{border-color:#edf1f8;background:linear-gradient(#79b7ce,#aa96cc)}html[data-theme=light] .page-travel{background:linear-gradient(145deg,#f2fbfff2,#eae6faf2);border-color:#b6c8e7;color:#47648a;box-shadow:0 8px 24px #52689224,inset 0 1px #fff}html[data-theme=light] .page-travel button:hover:not(:disabled){color:#244472;background:#779bd520}
@media(max-width:600px){.page-travel{right:10px;bottom:calc(16px + env(safe-area-inset-bottom))}.page-travel button{width:40px;height:44px}}
@media(prefers-reduced-motion:reduce){.page-travel button{transition:none}.page-travel button:hover:not(:disabled){transform:none}}