.cave-shell{--r-canvas:#f6f5f1;--r-surface:#fff;--r-line:#e7e5dd;--r-surface-2:#f1efe9;--r-ink:#232220;--r-ink-4:#b6b3aa;--r-green:#2d4a47;--r-green-ink:#cfeede;--r-accent:#c0567b;--r-accent-soft:#f7e6ee;background:var(--r-canvas);height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex;overflow:hidden}.cave-shell__main{flex:1;position:relative;overflow-y:auto}.cave-shell__logo-credit{color:#8d8a82;text-align:right;background:#f6f5f1;padding:10px 22px 24px;font-size:10px}.cave-shell__logo-credit a{color:#2d4a47;text-decoration:underline}.cave-rail{border-right:1px solid var(--r-line);background:var(--r-surface);flex-direction:column;flex:none;align-items:center;gap:4px;width:84px;padding:20px 0;display:flex}.cave-rail__logo{background:var(--r-green);width:38px;height:38px;color:var(--r-green-ink);border-radius:11px;place-items:center;margin-bottom:16px;display:grid}.cave-rail__item{cursor:pointer;width:64px;color:var(--r-ink-4);background:0 0;border:0;border-radius:12px;flex-direction:column;align-items:center;gap:5px;padding:10px 0;text-decoration:none;display:flex}.cave-rail__item.is-active{color:var(--r-green)}.cave-rail__icon{background:0 0;border-radius:10px;place-items:center;width:38px;height:32px;transition:background .15s;display:grid}.cave-rail__item.is-active .cave-rail__icon,.cave-rail__item:hover .cave-rail__icon{background:var(--r-surface-2)}.cave-rail__label{font-size:11px;font-weight:500}.cave-rail__item.is-active .cave-rail__label{font-weight:600}.cave-rail__spacer{flex:1}.cave-rail__avatar .cave-account__avatar{width:36px;height:36px;font-size:14px}@media (max-width:768px){.cave-shell{flex-direction:column;height:100dvh}.cave-shell__main{order:1;padding-bottom:64px}.cave-rail{z-index:30;width:100%;height:60px;padding:4px 8px calc(4px + env(safe-area-inset-bottom));border-right:0;border-top:1px solid var(--r-line);flex-direction:row;order:2;justify-content:space-around;align-items:center;gap:0;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px #2828230f}.cave-rail__logo,.cave-rail__spacer,.cave-rail__avatar{display:none}.cave-rail__item{flex:1;justify-content:center;gap:2px;width:auto;min-height:48px;padding:6px 0}.cave-rail__icon{border-radius:8px;width:34px;height:26px}.cave-rail__label{font-size:10px}.cave-rail__item--ask{flex:none;width:72px}.cave-rail__item--ask .cave-rail__icon{background:var(--r-green);width:54px;height:54px;color:var(--r-green-ink);box-shadow:0 6px 16px #1f36344d, 0 0 0 5px var(--r-surface);border-radius:999px;margin-top:-26px}.cave-rail__item--ask:hover .cave-rail__icon,.cave-rail__item--ask.is-active .cave-rail__icon{background:#1f3634}.cave-rail__item--ask .cave-rail__icon svg{width:26px;height:26px}.cave-rail__item--ask .cave-rail__label{color:var(--r-green);font-weight:600}}