.ld-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.ld-card{border:1px solid var(--line);border-radius:var(--radius);color:var(--text);background:#fff;flex-direction:column;gap:10px;padding:18px;transition:border-color .15s,box-shadow .15s;display:flex}.ld-card:hover{border-color:var(--indigo);box-shadow:var(--shadow);text-decoration:none}.ld-card h3{font-size:16.5px;line-height:1.35}.ld-card .link-more{margin-top:auto}.ld-facts{color:var(--muted);flex-wrap:wrap;gap:6px 14px;font-size:13.5px;display:flex}.ld-facts span{align-items:center;gap:5px;display:inline-flex}.ld-empty{padding:40px 20px}.ld-h2{font-size:18px}.ld-intro{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px;display:grid}.ld-start{position:sticky;top:84px}.ld-best{color:var(--navy);font-size:20px}.ld-attempts{flex-direction:column;gap:6px;margin-top:8px;padding:0;font-size:14px;list-style:none;display:flex}.ld-attempts li{border-top:1px solid var(--line);justify-content:space-between;gap:8px;padding-top:6px;display:flex}.ld-runner,.ld-practice{padding-top:20px;padding-bottom:40px;position:relative}.ld-runner-start{max-width:620px;padding:40px 16px}.ld-runner-head{border:1px solid var(--line);z-index:5;background:#fff;border-radius:14px;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;padding:12px 16px;display:flex;position:sticky;top:8px}.ld-timer{background:var(--navy);color:#fff;font-variant-numeric:tabular-nums;white-space:nowrap;border-radius:10px;align-items:center;gap:6px;padding:8px 14px;font-weight:800;display:inline-flex}.ld-timer.is-low{background:var(--bad)}.ld-runner-body{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:16px;display:grid}.ld-question{position:relative;overflow:hidden}.ld-question>:not(.watermark){z-index:1;position:relative}.ld-options{flex-direction:column;gap:10px;margin-top:16px;display:flex}.ld-option{text-align:left;border:1.5px solid var(--line-2);cursor:pointer;background:#fff;border-radius:14px;align-items:center;gap:12px;padding:12px 14px;font-size:15px;display:flex}.ld-option:hover{border-color:var(--indigo)}.ld-option.is-on{border-color:var(--navy);background:var(--indigo-soft)}.ld-letter{background:var(--indigo-soft);width:30px;height:30px;color:var(--indigo);border-radius:50%;flex:none;place-items:center;font-weight:800;display:inline-grid}.ld-option.is-on .ld-letter{background:var(--navy);color:#fff}.ld-tf{flex-direction:column;gap:10px;margin-top:16px;display:flex}.ld-tf-row{border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.ld-palette{position:sticky;top:84px}.ld-palette-grid{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.ld-cell{aspect-ratio:1;border:1.5px solid var(--line-2);color:var(--muted);cursor:pointer;background:#fff;border-radius:10px;font-weight:700}.ld-cell.is-done{background:var(--navy);border-color:var(--navy);color:#fff}.ld-cell.is-cur{background:var(--sun);border-color:var(--sun);color:var(--navy)}.ld-cell.is-flag{box-shadow:inset 0 0 0 2px var(--bad)}.ld-legend{flex-wrap:wrap;gap:10px;display:flex}.ld-legend i{border:1px solid var(--line-2);border-radius:3px;width:10px;height:10px;margin-right:4px;display:inline-block}.ld-legend i.is-done{background:var(--navy)}.ld-legend i.is-cur{background:var(--sun)}.ld-legend i.is-flag{box-shadow:inset 0 0 0 2px var(--bad)}.ld-paper{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.ld-choices-static{flex-direction:column;gap:4px;margin:10px 0 0;padding-left:20px;display:flex}ul.ld-choices-static{padding-left:0;list-style:none}.ld-solution{background:var(--bg-alt);border-radius:12px;padding:10px 14px}.ld-solution summary{cursor:pointer;color:var(--indigo);font-weight:700}.ld-score{text-align:center}.ld-score-big{color:var(--navy);font-size:56px;font-weight:800;line-height:1}.ld-score-big small{color:var(--muted);font-size:22px}.ld-selfmark-grid{flex-wrap:wrap;gap:8px;display:flex}.ld-selfmark-cell{border:1.5px solid var(--line-2);cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:14px;font-weight:600;display:inline-flex}.ld-selfmark-cell.is-on{border-color:var(--ok);background:var(--ok-soft);color:var(--ok)}.ld-selfmark-cell input{accent-color:var(--ok)}.ld-links{flex-direction:column;gap:6px;display:flex}.ld-links a{border:1px dashed var(--line-2);border-radius:10px;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;font-size:14px;display:flex}@media (max-width:960px){.ld-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ld-intro,.ld-runner-body{grid-template-columns:minmax(0,1fr)}.ld-start,.ld-palette{position:static}}@media (max-width:640px){.ld-grid{grid-template-columns:minmax(0,1fr)}.ld-tf-row{flex-direction:column;align-items:flex-start}.ld-runner-head{flex-wrap:wrap}.ld-score-big{font-size:44px}}.ld-links-box{margin:12px 0}