.problems-module__BTBLRW__page{padding-bottom:80px}.problems-module__BTBLRW__header{background:var(--surface);border-bottom:1px solid var(--border);margin-bottom:32px;padding:40px 0 32px}.problems-module__BTBLRW__headerInner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;display:flex}.problems-module__BTBLRW__eyebrow{color:var(--purple);letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;font-family:JetBrains Mono,monospace;font-size:11px}.problems-module__BTBLRW__title{letter-spacing:-1px;margin-bottom:6px;font-size:36px;font-weight:800}.problems-module__BTBLRW__subtitle{color:var(--text-muted);font-size:14px}.problems-module__BTBLRW__searchBox{background:var(--surface-2);border:1px solid var(--border-light);border-radius:10px;align-items:center;gap:10px;width:100%;max-width:320px;padding:10px 16px;transition:all .2s;display:flex}.problems-module__BTBLRW__searchBox:focus-within{border-color:var(--purple);box-shadow:0 0 16px #a78bfa1a}.problems-module__BTBLRW__searchIcon{color:var(--text-dim)}.problems-module__BTBLRW__searchInput{color:var(--text);background:0 0;border:none;outline:none;width:100%;font-size:14px}.problems-module__BTBLRW__searchInput::placeholder{color:var(--text-dim)}.problems-module__BTBLRW__layout{grid-template-columns:220px 1fr;align-items:start;gap:24px;display:grid}@media (max-width:768px){.problems-module__BTBLRW__layout{grid-template-columns:1fr}.problems-module__BTBLRW__searchBox{max-width:100%}}.problems-module__BTBLRW__filters{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:4px;max-height:85vh;padding:16px;display:flex;position:sticky;top:88px;overflow-y:auto}.problems-module__BTBLRW__filterLabel{color:var(--text-dim);text-transform:uppercase;letter-spacing:1.5px;padding:4px 12px 8px;font-family:JetBrains Mono,monospace;font-size:10px}.problems-module__BTBLRW__filterPill{color:var(--text-muted);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;justify-content:space-between;align-items:center;width:100%;padding:9px 12px;font-family:inherit;font-size:13.5px;text-decoration:none;transition:all .15s;display:flex}.problems-module__BTBLRW__filterPill:hover{color:var(--text);background:var(--surface-2)}.problems-module__BTBLRW__filterPillActive{color:var(--purple-bright);background:var(--purple-dim);border-color:#a78bfa33}.problems-module__BTBLRW__filterCount{color:var(--text-dim);background:var(--surface-3);border-radius:10px;padding:1px 6px;font-family:JetBrains Mono,monospace;font-size:11px}.problems-module__BTBLRW__tableCard{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden}.problems-module__BTBLRW__table{border-collapse:collapse;width:100%}.problems-module__BTBLRW__table th{background:var(--surface-2);color:var(--text-dim);text-align:left;border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:.5px;padding:12px 18px;font-family:JetBrains Mono,monospace;font-size:11px;font-weight:600}.problems-module__BTBLRW__table td{border-bottom:1px solid var(--border);color:var(--text);padding:14px 18px;font-size:14px}.problems-module__BTBLRW__row:last-child td{border-bottom:none}.problems-module__BTBLRW__row:hover td{background:#ffffff05}.problems-module__BTBLRW__idx{color:var(--text-dim);font-size:12px}.problems-module__BTBLRW__problemLink{color:var(--text);font-weight:600;text-decoration:none;transition:color .15s}.problems-module__BTBLRW__problemLink:hover{color:var(--purple-bright)}.problems-module__BTBLRW__topicTag{color:var(--text-dim);background:var(--surface-3);border-radius:6px;padding:3px 8px;font-family:JetBrains Mono,monospace;font-size:11px}.problems-module__BTBLRW__points{color:var(--cyan);font-size:13px;font-weight:600}.problems-module__BTBLRW__emptyState{text-align:center;color:var(--text-muted);background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;align-items:center;gap:16px;padding:60px 24px;display:flex}.problems-module__BTBLRW__spinner{border:2px solid var(--border);border-top-color:var(--purple);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite problems-module__BTBLRW__spin}@keyframes problems-module__BTBLRW__spin{to{transform:rotate(360deg)}}