:root{--rail-w:64px;--rail-bottom-h:56px;--rail-item:44px;--app-bar-h:52px;--rail-bg:var(--sidebar-bg,var(--bg-soft));--rail-line:var(--line);--rail-hover:color-mix(in srgb,var(--text) 6%,transparent);--rail-press:color-mix(in srgb,var(--text) 11%,transparent)}.app-shell{min-height:100dvh}@media (min-width:1024px){.app-shell[data-rail=full]{padding-left:var(--rail-w)}}@media (max-width:1023px){.app-shell[data-rail=full]{padding-bottom:calc(var(--rail-bottom-h) + env(safe-area-inset-bottom, 0px))}}.dr{position:fixed;inset:0 auto 0 0;z-index:60;display:none;flex-direction:column;align-items:center;width:var(--rail-w);padding:10px 0 12px;background:var(--rail-bg);border-right:1px solid var(--rail-line)}@media (min-width:1024px){.dr{display:flex}}.dr-brand{display:flex;align-items:center;justify-content:center;width:var(--rail-item);height:var(--rail-item);color:var(--text);text-decoration:none;font-family:var(--font-heading);font-weight:700;font-size:1.05rem;letter-spacing:-.03em;transition:opacity .15s ease}.dr-brand:hover{opacity:.6}.dr-brand img{width:22px;height:auto}.dr-brand-mark{user-select:none;-webkit-user-drag:none;pointer-events:none}.dr-rule{width:28px;height:1px;margin:10px 0;background:var(--rail-line);flex:none}.dr-spacer{flex:1 1 auto}.dr-group{display:flex;flex-direction:column;align-items:center;gap:2px;width:100%}.dr-slot{width:100%}.dr-item,.dr-slot{position:relative;display:flex;justify-content:center}.dr-item{align-items:center;width:var(--rail-item);height:var(--rail-item);border:0;border-radius:2px;background:none;cursor:pointer;color:var(--text-muted);text-decoration:none;transition:color .14s ease,background .14s ease}.dr-item:hover{color:var(--text);background:var(--rail-hover)}.dr-item:active{background:var(--rail-press)}.dr-item svg{width:19px;height:19px;stroke-width:1.6}.dr-item[data-active=true]{color:var(--text)}.dr-item[data-active=true]:before{content:"";position:absolute;left:calc(0px - (var(--rail-w) - var(--rail-item)) / 2);top:6px;bottom:6px;width:2px;background:var(--accent-blue)}.dr-item[aria-expanded=true]{color:var(--text);background:var(--rail-hover)}.dr-tip{position:absolute;left:calc(100% - 2px);top:50%;transform:translateY(-50%);margin-left:10px;padding:5px 9px;background:var(--bg-soft);color:var(--text);border:1px solid var(--rail-line);border-radius:2px;font-size:.76rem;font-weight:500;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .12s ease,visibility .12s;z-index:2}.dr-tip kbd{margin-left:7px;font-family:var(--font-mono);font-size:.68rem;color:var(--text-faint);background:none;border:0;padding:0}.dr-slot:hover .dr-tip{opacity:1;visibility:visible}.dr-slot:has(.dr-item[aria-expanded=true]) .dr-tip{opacity:0;visibility:hidden}.dr-cta{display:flex;align-items:center;justify-content:center;width:var(--rail-item);height:var(--rail-item);border-radius:2px;background:var(--accent-blue);color:#fff;text-decoration:none;transition:filter .15s ease}.dr-cta:hover{filter:brightness(1.08)}.dr-cta svg{width:18px;height:18px}.dr-avatar{width:30px;height:30px;border-radius:2px;object-fit:cover;border:1px solid var(--rail-line);background:var(--bg)}.dr-dot{position:absolute;top:9px;right:9px;width:6px;height:6px;border-radius:50%;background:var(--accent-blue);border:1.5px solid var(--rail-bg)}.dr-flyout{position:absolute;left:100%;top:-10px;margin-left:1px;width:340px;max-width:calc(100vw - var(--rail-w) - 32px);background:var(--bg-soft);border:1px solid var(--rail-line);border-radius:3px;opacity:0;visibility:hidden;transform:translateX(-6px);transition:opacity .16s ease,transform .2s cubic-bezier(.16,1,.3,1),visibility .2s;z-index:3}.dr-slot[data-open=true] .dr-flyout{opacity:1;visibility:visible;transform:translateX(0)}.dr-fly__head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:13px 14px;border-bottom:1px solid var(--rail-line)}.dr-fly__head h3{margin:0;font-family:var(--font-heading);font-size:.9rem;font-weight:600;letter-spacing:-.02em;color:var(--text)}.dr-fly__head p{margin:4px 0 0;font-size:.73rem;color:var(--text-muted);line-height:1.45}.dr-num{font-family:var(--font-mono);font-size:.66rem;font-weight:500;letter-spacing:.08em;color:var(--text-faint);flex:none}.dr-row{display:flex;align-items:baseline;gap:11px;padding:11px 14px;text-decoration:none;color:inherit;border-bottom:1px solid var(--rail-line);transition:background .14s ease}.dr-row:hover{background:var(--rail-hover)}.dr-row__text{flex:1;min-width:0}.dr-row__text strong{display:block;font-family:var(--font-heading);font-size:.82rem;font-weight:600;letter-spacing:-.015em;color:var(--text)}.dr-row__text span{display:block;margin-top:2px;font-size:.72rem;color:var(--text-muted);line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dr-row__arrow{flex:none;width:13px;height:13px;color:var(--text-faint);opacity:0;transition:opacity .14s ease}.dr-row:hover .dr-row__arrow{opacity:1}.dr-fly__note{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid var(--rail-line);font-size:.72rem;color:var(--text-muted)}.dr-fly__note strong{color:var(--text);font-weight:600}.dr-live{margin-left:auto;flex:none;display:inline-flex;align-items:center;gap:5px;font-family:var(--font-mono);font-size:.6rem;font-weight:500;letter-spacing:.08em;color:var(--ok)}.dr-live i{width:5px;height:5px;background:currentColor}.dr-plan{padding:13px 14px;border-bottom:1px solid var(--rail-line)}.dr-plan__top{display:flex;align-items:baseline;gap:8px}.dr-plan__top strong{font-family:var(--font-heading);font-size:.85rem;font-weight:600;color:var(--text)}.dr-plan__price{margin-left:auto;font-family:var(--font-mono);font-size:.78rem;color:var(--accent-blue)}.dr-plan ul{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:6px}.dr-plan li{display:flex;align-items:baseline;gap:8px;font-size:.735rem;color:var(--text-muted)}.dr-plan li:before{content:"—";color:var(--text-faint)}.dr-fly__foot{display:flex}.dr-fly__foot a{flex:1;padding:11px 14px;font-size:.76rem;font-weight:600;color:var(--accent-blue);text-decoration:none;transition:background .14s ease}.dr-fly__foot a+a{border-left:1px solid var(--rail-line);color:var(--text-muted);flex:0 0 auto}.dr-fly__foot a:hover{background:var(--rail-hover)}.dr-bottom{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:stretch;height:calc(var(--rail-bottom-h) + env(safe-area-inset-bottom, 0px));padding-bottom:env(safe-area-inset-bottom,0);background:var(--rail-bg);border-top:1px solid var(--rail-line)}@media (min-width:1024px){.dr-bottom{display:none}}.dr-tab{position:relative;flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border:0;background:none;cursor:pointer;color:var(--text-muted);text-decoration:none;font-size:.63rem;font-weight:500;transition:color .14s ease}.dr-tab svg{width:19px;height:19px;stroke-width:1.6}.dr-tab span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;padding:0 2px}.dr-tab[data-active=true]{color:var(--text)}.dr-tab[data-active=true]:before{content:"";position:absolute;top:0;left:18%;right:18%;height:2px;background:var(--accent-blue)}.app-header{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line);transition:transform .2s cubic-bezier(.32,.72,0,1)}.app-header[data-chrome-hidden=true]{transform:translateY(-100%)}.app-header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 16px;min-height:52px}@media (min-width:640px){.app-header-inner{padding:0 24px;gap:20px}}.brand-logo{display:inline-flex;align-items:center;gap:8px;flex:none;min-height:40px;text-decoration:none;color:var(--text);transition:opacity .15s ease}.brand-logo:hover{opacity:.7}.dr :focus-visible,.dr-bottom :focus-visible{outline:2px solid var(--accent-blue);outline-offset:-2px;border-radius:0}@media (prefers-reduced-motion:reduce){.app-header,.dr-flyout,.dr-item,.dr-row,.dr-tab,.dr-tip{transition-duration:.01ms!important}}@media (prefers-contrast:more){.dr,.dr-bottom,.dr-flyout,.dr-tip{border-color:var(--line-strong)}}@media print{.app-header,.dr,.dr-bottom{display:none}}