.tool-split{grid-template-columns:1fr 1fr;gap:16px;margin-top:8px;display:grid}.tool-pane{border:1px solid var(--line);background:#0b0c0e;border-radius:12px;flex-direction:column;min-height:380px;display:flex;overflow:hidden}.tool-pane-head{border-bottom:1px solid var(--line);background:var(--surface-2);font-family:var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);justify-content:space-between;align-items:center;gap:8px;padding:10px 16px;font-size:11.5px;font-weight:600;display:flex}.tool-count{text-transform:none;letter-spacing:0;font-weight:500}.tool-textarea{resize:vertical;color:#d6d9e0;min-height:280px;font-family:var(--mono);background:0 0;border:none;outline:none;flex:1;padding:14px 16px;font-size:12.5px;line-height:1.6}.tool-actions{border-top:1px solid var(--line);gap:8px;padding:10px 16px;display:flex}.tool-results{flex-direction:column;flex:1;gap:10px;padding:14px 16px;display:flex;overflow-y:auto}.tool-hint{color:var(--muted);font-size:13.5px}.tool-error{color:var(--red);font-family:var(--mono);white-space:pre-wrap;font-size:12.5px}.tool-finding{border:1px solid var(--line);border-left:3px solid var(--line-strong);border-radius:var(--radius-md);background:#ffffff04;padding:10px 12px}.tool-finding strong{font-family:var(--mono);color:#d6d9e0;font-size:12.5px}.tool-finding p{color:var(--muted);margin-top:4px;font-size:13px}.tool-code{font-family:var(--mono);color:#d6d9e0;white-space:pre;flex:1;margin:0;padding:14px 16px;font-size:12.5px;line-height:1.6;overflow:auto}.equation-stage{color:#f7f8f8;justify-content:center;align-items:center;font-size:20px;display:flex}.equation-stage .katex-display{margin:0}.table-controls{border-bottom:1px solid var(--line);color:var(--muted);flex-wrap:wrap;align-items:center;gap:14px;padding:12px 16px;font-size:13px;display:flex}.table-controls label{align-items:center;gap:6px;display:inline-flex}.table-controls input[type=number]{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);color:#d6d9e0;width:56px;padding:4px 6px;font-size:13px}.table-check input{accent-color:var(--brand)}.table-grid-scroll{flex:1;padding:12px 16px;overflow-x:auto}.table-grid{border-collapse:collapse}.table-grid th,.table-grid td{border:1px solid var(--line);padding:2px}.table-grid input,.table-grid select{color:#d6d9e0;background:0 0;border:none;outline:none;min-width:90px;padding:6px 8px;font-size:13px}.table-grid select{font-family:var(--mono);color:var(--muted);font-size:11px}.table-caption{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);color:#d6d9e0;outline:none;flex:1;padding:6px 10px;font-size:13px}.dl-board{width:100%;min-width:0;max-width:100%;overflow-x:clip}.dl-filters{flex-wrap:wrap;align-items:center;gap:8px;min-width:0;max-width:100%;margin:20px 0;display:flex}.dl-chip{font-family:var(--mono);letter-spacing:.04em;color:var(--muted);border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:999px;flex:none;padding:5px 12px;font-size:11.5px;font-weight:600;transition:color .15s,border-color .15s,background .15s;position:relative}.dl-chip:hover,.dl-chip:focus-visible{color:#fff;border-color:#60a5fa73}.dl-chip.active{color:var(--brand-text);border-color:#60a5fa80}.dl-chip-tip{z-index:20;border:1px solid var(--line-strong,#ffffff24);color:#e5e7eb;width:max-content;max-width:220px;font-family:var(--font);letter-spacing:0;text-transform:none;text-align:center;pointer-events:none;opacity:0;visibility:hidden;background:#141518;border-radius:8px;padding:6px 10px;font-size:12px;font-weight:500;line-height:1.35;transition:opacity .12s,visibility .12s,transform .12s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)translateY(2px);box-shadow:0 8px 24px #00000073}.dl-chip-tip:after{content:"";border:5px solid #0000;border-top-color:#141518;position:absolute;top:100%;left:50%;transform:translate(-50%)}.dl-chip:hover .dl-chip-tip,.dl-chip:focus-visible .dl-chip-tip{opacity:1;visibility:visible;transform:translate(-50%)translateY(0)}.dl-search{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-md);color:#d6d9e0;box-sizing:border-box;outline:none;flex:160px;min-width:0;max-width:280px;padding:7px 12px;font-size:13px}.dl-count{color:var(--muted);white-space:nowrap;flex:none;margin-left:auto;font-size:12.5px}.dl-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;width:100%;min-width:0;max-width:100%;display:grid}.dl-card{border:1px solid var(--line);box-sizing:border-box;background:#0b0c0e;border-radius:12px;flex-direction:column;gap:6px;min-width:0;max-width:100%;padding:18px;display:flex;overflow:hidden}.dl-card-title{align-items:center;gap:8px;min-width:0;font-size:15px;font-weight:600;display:flex}.dl-card-title>span:first-child{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.dl-rank{font-family:var(--mono);color:var(--brand-text);border:1px solid #60a5fa66;border-radius:4px;flex:none;padding:1px 6px;font-size:10.5px;font-weight:700}.dl-sub{font-family:var(--mono);color:var(--muted);text-transform:uppercase;flex:none;margin-left:auto;font-size:10.5px}.dl-full{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:12.5px;overflow:hidden}.dl-countdown{font-family:var(--mono);color:#d6a243;flex-wrap:wrap;align-items:baseline;gap:4px 0;min-width:0;font-size:15px;font-weight:700;display:flex}.dl-kind{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;flex:none;margin-left:8px;font-size:10.5px;font-weight:500}.dl-meta{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:12px;overflow:hidden}.dl-link{color:var(--brand-text);width:fit-content;max-width:100%;font-size:12.5px;text-decoration:none}.dl-link:hover{text-decoration:underline}.tpl-source{border:1px solid var(--line);background:#0b0c0e;border-radius:12px;max-height:560px;margin-top:24px;overflow:auto}.tpl-source pre{font-family:var(--mono);color:#d6d9e0;margin:0;padding:18px 20px;font-size:12.5px;line-height:1.6}.pack-head{align-items:baseline;gap:12px;margin:48px 0 16px;display:flex}.pack-head h3{font-size:18px;font-weight:600}.pack-head span{color:var(--muted);font-size:12.5px}@media (width<=900px){.tool-split{grid-template-columns:1fr}.dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=560px){.dl-grid{grid-template-columns:minmax(0,1fr)}.dl-search{flex:100%;max-width:none}.dl-count{margin-left:0}}.tpl-card{flex-direction:column;display:flex}.tpl-thumb{background:#f5f6f4;border:1px solid #ffffff14;border-radius:8px;height:168px;margin-bottom:14px;display:block;position:relative;overflow:hidden}.tpl-thumb img{object-fit:cover;object-position:top;width:100%;height:100%;transition:transform .5s;display:block}.tpl-card:hover .tpl-thumb img{transform:translateY(-14px)scale(1.02)}@media (prefers-reduced-motion:reduce){.tpl-thumb img{transition:none}.tpl-card:hover .tpl-thumb img{transform:none}}.tpl-hero-preview{background:#f5f6f4;border:1px solid #ffffff1a;border-radius:8px;max-width:440px;margin-top:28px;display:block;overflow:hidden;box-shadow:0 16px 48px #00000080}.tpl-hero-preview img{width:100%;height:auto;display:block}