.shell{min-height:100dvh;display:flex}.sidebar{background:var(--blue-50);border-right:1px solid var(--line);flex-direction:column;flex:0 0 272px;gap:24px;height:100dvh;padding:24px 16px;display:flex;position:sticky;top:0;overflow-y:auto}.brand{padding:0 8px}.nav{flex-direction:column;gap:2px;display:flex}.nav-item{border-radius:var(--r-field);height:44px;color:var(--ink-2);text-align:left;background:0 0;border:0;align-items:center;gap:12px;width:100%;padding:0 12px;font-size:.9375rem;font-weight:500;display:flex}.nav-item:hover{background:#ffffffb3}.nav-item.current{background:var(--white);box-shadow:var(--sh-1);color:var(--ink);font-weight:600}.logout{margin-top:auto}.recents{flex-direction:column;gap:6px;display:flex}.recents .eyebrow{padding:0 12px}.recent{border-radius:var(--r-field);flex-direction:column;justify-content:center;gap:2px;min-height:44px;padding:10px 12px;display:flex}.recent:hover{background:#ffffffb3}.recent.current{background:var(--white)}.recent.current .r-title{font-weight:600}.r-title{white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:500;overflow:hidden}.r-meta{color:var(--ink-3);font-size:.75rem}.main{flex:1;min-width:0;padding:48px}.mobile-head,.tabbar,.scrim,.sheet{display:none}.tabbar{left:16px;right:16px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:10;border-radius:var(--r-pill);box-shadow:var(--sh-3), 0 0 0 1px var(--line);border:1px solid #ffffffbf;align-items:stretch;padding:6px;position:fixed}.tab-ind{border-radius:var(--r-pill);background:var(--blue-100);will-change:transform;opacity:0;width:calc(50% - 6px);position:absolute;top:6px;bottom:6px;left:6px;box-shadow:inset 0 1px #ffffffb3}.tab{z-index:1;border-radius:var(--r-pill);letter-spacing:.02em;height:56px;color:var(--ink-3);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:.6875rem;font-weight:500;transition:color .16s ease-out;display:flex;position:relative}.tab.current{color:var(--ink);font-weight:600}.tab:active{transition:transform .1s ease-out;transform:scale(.97)}#toast-region{z-index:20;pointer-events:none;justify-content:center;padding:0 16px;display:flex;position:fixed;bottom:24px;left:0;right:0}.toast{pointer-events:auto;border-radius:var(--r-pill);background:var(--ink);min-height:52px;color:var(--white);box-shadow:var(--sh-3);align-items:center;gap:12px;padding:6px 6px 6px 20px;font-size:.9375rem;display:flex}.toast-action{border-radius:var(--r-pill);height:40px;color:var(--white);background:#ffffff24;border:0;padding:0 16px;font-weight:600}@media (width<=899px){.shell{flex-direction:column}.sidebar{display:none}.mobile-head{padding:max(20px, env(safe-area-inset-top)) 20px 0;justify-content:space-between;align-items:center;display:flex}.tabbar{display:flex}.back{isolation:isolate;border-radius:var(--r-pill);height:44px;color:var(--blue-700);-webkit-backdrop-filter:blur(18px)saturate(190%)brightness(1.04);background:linear-gradient(145deg,#ffffffc7,#ffffff57 55%,#c9dff66b);border:1px solid #ffffffd9;align-items:center;gap:2px;padding:0 16px 0 10px;font-size:1rem;font-weight:600;display:inline-flex;position:relative;box-shadow:inset 0 1.5px #fffffff2,inset 0 -1px 1px #1859a81f,inset 0 0 14px #ffffff73,0 6px 18px #1859a829,0 0 0 1px #0b0c0e0d}.back:before{content:"";z-index:-1;border-radius:var(--r-pill);pointer-events:none;background:linear-gradient(#ffffffb3,#fff0);position:absolute;inset:1px 1px 50%}.back:active{transform:scale(.95)}@media (prefers-reduced-transparency:reduce){.back{-webkit-backdrop-filter:none;background:#fff}.back:before{display:none}}@media (prefers-contrast:more){.back{border-color:var(--ink)}}.lang-btn{border-radius:var(--r-pill);background:var(--blue-100);border:0;align-items:center;gap:8px;height:44px;padding:0 14px;font-size:.875rem;font-weight:600;display:inline-flex}.lang-btn:hover{background:var(--blue-200)}.scrim{z-index:30;opacity:0;background:#0b0c0e52;display:block;position:fixed;inset:0}.scrim[hidden]{display:none}.sheet{z-index:31;max-height:80dvh;padding:8px 16px calc(20px + env(safe-area-inset-bottom));border-radius:var(--r-card) var(--r-card) 0 0;box-shadow:var(--sh-3);touch-action:none;will-change:transform;display:block;position:fixed;bottom:0;left:0;right:0;overflow-y:auto;transform:translateY(100%)}.sheet[hidden]{display:none}.grabber{border-radius:var(--r-pill);background:var(--line-strong);width:36px;height:5px;margin:0 auto 12px}.sheet-title{letter-spacing:-.01em;padding:0 8px 8px;font-size:1.25rem;font-weight:600;line-height:1.3}.lang-list{touch-action:pan-y;flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.lang-opt{border-radius:var(--r-field);text-align:left;background:0 0;border:0;justify-content:space-between;align-items:center;width:100%;min-height:48px;padding:0 12px;font-size:1rem;font-weight:500;display:flex}.lang-opt:hover{background:#fff9}.lang-opt[aria-pressed=true]{background:var(--white);box-shadow:var(--sh-1);font-weight:600}.main{padding:calc(20px + env(safe-area-inset-top)) 20px calc(116px + env(safe-area-inset-bottom))}.main.has-head{padding-top:12px}#toast-region{bottom:calc(92px + env(safe-area-inset-bottom))}}