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solid}.tier-B3[data-astro-cid-wf4rogdb]{color:#c98a5e;border-color:#6e4a30;background:#c98a5e14}.tier-B2[data-astro-cid-wf4rogdb]{color:#d29669;border-color:#7a5236;background:#d2966917}.tier-B1[data-astro-cid-wf4rogdb]{color:#dca678;border-color:#875c3e;background:#dca6781a}.tier-S5[data-astro-cid-wf4rogdb]{color:#9aa6b2;border-color:#4a525c;background:#9aa6b214}.tier-S4[data-astro-cid-wf4rogdb]{color:#a8b4c0;border-color:#545d68;background:#a8b4c017}.tier-S3[data-astro-cid-wf4rogdb]{color:#b8c4d0;border-color:#5e6874;background:#b8c4d01a}.tier-S2[data-astro-cid-wf4rogdb]{color:#c8d4e0;border-color:#68727e;background:#c8d4e01c}.tier-S1[data-astro-cid-wf4rogdb]{color:#dce6f0;border-color:#7a8490;background:#dce6f021}.tier-G5[data-astro-cid-wf4rogdb]{color:#e8c15a;border-color:#8a6f2a;background:#e8c15a17}.tier-G4[data-astro-cid-wf4rogdb]{color:#eecb62;border-color:#98792e;background:#eecb621a}.tier-G3[data-astro-cid-wf4rogdb]{color:#f4d76c;border-color:#a68533;background:#f4d76c1f}.prob-grid[data-astro-cid-wf4rogdb]{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.prob-statement[data-astro-cid-wf4rogdb]{min-width:0}.prob-title[data-astro-cid-wf4rogdb]{font-size:clamp(1.5rem,3vw,2.1rem);margin:8px 0 12px;line-height:1.25}.prob-limits[data-astro-cid-wf4rogdb]{display:flex;gap:16px;font-family:var(--font-mono);font-size:.78rem;color:var(--color-fg-dim);margin-bottom:22px}.prob-limits[data-astro-cid-wf4rogdb] b[data-astro-cid-wf4rogdb]{color:var(--color-fg);font-weight:600}.prob-h[data-astro-cid-wf4rogdb]{font-size:.95rem;letter-spacing:1px;text-transform:uppercase;color:var(--color-accent);margin:26px 0 8px;font-family:var(--font-mono)}.prob-body[data-astro-cid-wf4rogdb]{color:var(--color-fg);line-height:1.75;margin:0;white-space:pre-wrap;word-break:keep-all}.prob-constraints[data-astro-cid-wf4rogdb]{margin:0;padding-left:18px;color:var(--color-fg);line-height:1.9}.prob-constraints[data-astro-cid-wf4rogdb] li[data-astro-cid-wf4rogdb]{font-family:var(--font-mono);font-size:.82rem}.prob-examples[data-astro-cid-wf4rogdb]{display:grid;gap:14px}.ex-pair[data-astro-cid-wf4rogdb]{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ex-label[data-astro-cid-wf4rogdb]{font-family:var(--font-mono);font-size:.7rem;color:var(--color-fg-dim);margin-bottom:5px;letter-spacing:.5px}.ex-pre[data-astro-cid-wf4rogdb]{margin:0;padding:12px 14px;background:var(--color-bg-elev);border:1px solid rgba(224,247,250,.1);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.8rem;line-height:1.55;color:var(--color-fg);white-space:pre;overflow-x:auto}.prob-editor[data-astro-cid-wf4rogdb]{position:sticky;top:84px;min-width:0}.ed-toolbar[data-astro-cid-wf4rogdb]{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}.ed-lang[data-astro-cid-wf4rogdb]{padding:7px 12px;border-radius:var(--radius-sm);border:1px solid rgba(224,247,250,.16);background:var(--color-bg-elev);color:var(--color-fg);font-family:var(--font-mono);font-size:.82rem}.ed-actions[data-astro-cid-wf4rogdb]{display:flex;gap:8px}.ed-btn[data-astro-cid-wf4rogdb]{padding:7px 14px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid rgba(224,247,250,.18);background:var(--color-bg-elev);color:var(--color-fg);font-family:var(--font-mono);font-size:.8rem;transition:all var(--dur-fast) var(--ease)}.ed-btn[data-astro-cid-wf4rogdb]:hover:not(:disabled){border-color:#e0f7fa66}.ed-btn[data-astro-cid-wf4rogdb]:disabled{opacity:.5;cursor:wait}.ed-ghost[data-astro-cid-wf4rogdb]{color:var(--color-fg-dim)}.ed-primary[data-astro-cid-wf4rogdb]{border-color:var(--color-accent);color:var(--color-accent)}.ed-primary[data-astro-cid-wf4rogdb]:hover:not(:disabled){background:#c1ff001a;box-shadow:var(--glow-lime-soft)}.ed-textarea[data-astro-cid-wf4rogdb]{display:none}.prob-editor[data-astro-cid-wf4rogdb] .CodeMirror{height:440px;border:1px solid rgba(224,247,250,.14);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.85rem}.ed-stdin[data-astro-cid-wf4rogdb]{margin-top:12px}.ed-stdin[data-astro-cid-wf4rogdb] summary[data-astro-cid-wf4rogdb]{cursor:pointer;font-family:var(--font-mono);font-size:.76rem;color:var(--color-fg-dim)}.ed-input[data-astro-cid-wf4rogdb]{width:100%;min-height:70px;margin-top:8px;padding:10px 12px;resize:vertical;border:1px solid rgba(224,247,250,.14);border-radius:var(--radius-sm);background:var(--color-bg-elev);color:var(--color-fg);font-family:var(--font-mono);font-size:.8rem}.ed-verdict[data-astro-cid-wf4rogdb]{margin-top:14px;padding:14px;border:1px solid rgba(224,247,250,.12);border-radius:var(--radius-sm);background:var(--color-bg-elev)}.verdict-head[data-astro-cid-wf4rogdb]{display:flex;align-items:center;gap:12px}.verdict-tag[data-astro-cid-wf4rogdb]{font-family:var(--font-mono);font-weight:700;font-size:.9rem;padding:4px 12px;border-radius:var(--radius-sm);border:1px solid}.v-run[data-astro-cid-wf4rogdb],.v-done[data-astro-cid-wf4rogdb]{color:var(--color-fg-dim);border-color:#e0f7fa33}.v-ac[data-astro-cid-wf4rogdb]{color:#7dff9b;border-color:#7dff9b;background:#7dff9b14}.v-wa[data-astro-cid-wf4rogdb]{color:var(--color-pink);border-color:var(--color-pink);background:#ff003c14}.v-tle[data-astro-cid-wf4rogdb]{color:#ffb545;border-color:#ffb545;background:#ffb54514}.v-re[data-astro-cid-wf4rogdb]{color:#ff7a45;border-color:#ff7a45;background:#ff7a4514}.v-ce[data-astro-cid-wf4rogdb]{color:#c58cff;border-color:#c58cff;background:#b48cff14}.verdict-sub[data-astro-cid-wf4rogdb]{font-family:var(--font-mono);font-size:.8rem;color:var(--color-fg-dim)}.verdict-cases[data-astro-cid-wf4rogdb]{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}.cdot[data-astro-cid-wf4rogdb]{width:24px;height:24px;display:grid;place-items:center;font-family:var(--font-mono);font-size:.68rem;border-radius:5px;border:1px solid rgba(224,247,250,.16);color:var(--color-fg-dim)}.cdot[data-astro-cid-wf4rogdb].c-running{border-color:var(--color-accent);color:var(--color-accent);animation:pulse .8s infinite}.cdot[data-astro-cid-wf4rogdb].c-pass{border-color:#7dff9b;color:#7dff9b;background:#7dff9b1a}.cdot[data-astro-cid-wf4rogdb].c-fail{border-color:var(--color-pink);color:var(--color-pink);background:#ff003c1a}@keyframes pulse{50%{opacity:.4}}.verdict-out[data-astro-cid-wf4rogdb]{margin:12px 0 0;padding:12px;max-height:260px;overflow:auto;background:#0b0b0b;border:1px solid rgba(224,247,250,.1);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.76rem;line-height:1.5;color:var(--color-fg);white-space:pre-wrap;word-break:break-all}.prob-nav[data-astro-cid-wf4rogdb]{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:50px;padding-top:26px;border-top:1px dashed rgba(193,255,0,.2)}.pn-link[data-astro-cid-wf4rogdb]{display:flex;flex-direction:column;gap:5px;padding:14px 16px;border:1px solid rgba(193,255,0,.2);border-radius:6px;text-decoration:none;min-width:0}.pn-link[data-astro-cid-wf4rogdb]:hover,.pn-link[data-astro-cid-wf4rogdb].touch-active{border-color:var(--color-accent);background:#c1ff000a}.pn-next[data-astro-cid-wf4rogdb]{text-align:right;align-items:flex-end}.pn-dir[data-astro-cid-wf4rogdb]{font-family:var(--font-mono);font-size:.72rem;color:var(--color-accent);letter-spacing:1.5px}.pn-title[data-astro-cid-wf4rogdb]{color:var(--color-fg);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}@media(max-width:900px){.prob-grid[data-astro-cid-wf4rogdb]{grid-template-columns:1fr}.prob-editor[data-astro-cid-wf4rogdb]{position:static}}@media(max-width:500px){.ex-pair[data-astro-cid-wf4rogdb],.prob-nav[data-astro-cid-wf4rogdb]{grid-template-columns:1fr}.pn-next[data-astro-cid-wf4rogdb]{text-align:left;align-items:flex-start}}