:root{--lbt-ink:#0d2b52;--lbt-muted:#3c5d8a;--lbt-accent:#1f6fe0;--lbt-accent-soft:#edf4fd;--lbt-line:#dde7f2;--lbt-surface:#fff;--lbt-ground:#f6f9fd;--lbt-radius:12px;--lbt-safe-top:env(safe-area-inset-top,0px);--lbt-safe-bottom:env(safe-area-inset-bottom,0px);--lbt-safe-left:env(safe-area-inset-left,0px);--lbt-safe-right:env(safe-area-inset-right,0px)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--lbt-ground);color:var(--lbt-ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}:focus-visible{outline:3px solid var(--lbt-accent);outline-offset:2px;border-radius:4px}.lbt-shell{min-height:100dvh;padding-left:var(--lbt-safe-left);padding-right:var(--lbt-safe-right);flex-direction:column;display:flex}.lbt-header{z-index:20;padding:calc(10px + var(--lbt-safe-top)) 12px 10px;background:var(--lbt-surface);border-bottom:1px solid var(--lbt-line);flex-direction:column;gap:8px;display:flex;position:sticky;top:0}.lbt-titlebar{align-items:center;gap:8px;min-width:0;display:flex}.lbt-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}@media (width>=860px){.lbt-header{flex-direction:row;align-items:center}.lbt-titlebar{flex:auto}.lbt-actions{flex-wrap:nowrap;flex:none}}.lbt-title{letter-spacing:-.01em;text-overflow:ellipsis;white-space:nowrap;flex:auto;min-width:0;margin:0;font-size:17px;font-weight:600;overflow:hidden}.lbt-control{border:1px solid var(--lbt-line);background:var(--lbt-surface);min-width:44px;min-height:44px;color:var(--lbt-muted);font:inherit;cursor:pointer;border-radius:999px;flex:none;justify-content:center;align-items:center;gap:6px;padding:0 10px;font-size:14px;display:inline-flex}.lbt-control:hover{color:var(--lbt-ink);border-color:var(--lbt-accent)}.lbt-control[aria-pressed=true]{background:var(--lbt-accent-soft);border-color:var(--lbt-accent);color:var(--lbt-ink)}.lbt-badge{border:1px solid var(--lbt-line);background:var(--lbt-surface);min-height:44px;color:var(--lbt-muted);border-radius:999px;flex:none;align-items:center;gap:8px;padding:0 12px 0 6px;font-size:14px;text-decoration:none;display:inline-flex}.lbt-avatar{background:var(--lbt-accent-soft);width:30px;height:30px;color:var(--lbt-ink);border-radius:50%;justify-content:center;align-items:center;font-size:13px;font-weight:600;display:inline-flex}.lbt-main{width:100%;max-width:720px;padding:16px 12px calc(24px + var(--lbt-safe-bottom));flex:auto;margin:0 auto}.lbt-notice{border:1px solid var(--lbt-line);border-left:4px solid var(--lbt-accent);border-radius:var(--lbt-radius);background:var(--lbt-surface);color:var(--lbt-muted);margin:0 0 16px;padding:12px 14px}.lbt-notice[data-tone=error]{color:var(--lbt-ink);border-left-color:#b3261e}.lbt-board{border:1px solid var(--lbt-line);border-radius:var(--lbt-radius);background:var(--lbt-surface);min-height:240px;padding:16px}.lbt-index{grid-template-columns:1fr;gap:16px;margin:0;padding:0;list-style:none;display:grid}@media (width>=720px){.lbt-index{grid-template-columns:repeat(3,1fr)}.lbt-main{max-width:1100px;padding-left:24px;padding-right:24px}}.lbt-card{border:1px solid var(--lbt-line);border-radius:var(--lbt-radius);background:var(--lbt-surface);color:var(--lbt-ink);flex-direction:column;gap:6px;padding:18px;text-decoration:none;display:flex}.lbt-card:hover{border-color:var(--lbt-accent)}.lbt-card h2{margin:0;font-size:19px;font-weight:600}.lbt-card p{color:var(--lbt-muted);margin:0;font-size:15px}.lbt-scrim{z-index:30;background:#0d2b5273;position:fixed;inset:0}.lbt-modal{z-index:31;border:1px solid var(--lbt-line);border-radius:var(--lbt-radius);background:var(--lbt-surface);width:min(440px,100vw - 32px);max-height:min(80dvh,620px);padding:20px;position:fixed;top:50%;left:50%;overflow-y:auto;transform:translate(-50%,-50%)}.lbt-drawer{z-index:31;width:min(380px,100vw);padding:calc(16px + var(--lbt-safe-top)) 16px calc(16px + var(--lbt-safe-bottom));background:var(--lbt-surface);border-left:1px solid var(--lbt-line);position:fixed;top:0;bottom:0;right:0;overflow-y:auto}.lbt-overlay-head{align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.lbt-overlay-head h2{flex:auto;margin:0;font-size:18px;font-weight:600}.lbt-overlay p{color:var(--lbt-muted)}.lbt-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.lbt-history-list{flex-direction:column;gap:.25rem;margin:0;padding:0;list-style:none;display:flex}.lbt-history-row{border-bottom:1px solid var(--lbt-rule,#ffffff1f);grid-template-columns:auto 1fr auto;align-items:baseline;gap:.75rem;padding:.5rem 0;display:grid}.lbt-history-score{font-variant-numeric:tabular-nums;font-weight:600}.lbt-history-note{opacity:.75;font-size:.85em}.lbt-history-row[data-status=rejected] .lbt-history-score{opacity:.65;text-decoration:line-through}