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0;font-family:var(--font-display);font-size:clamp(2.2rem,4.5vw,3.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.08;color:var(--ink);max-width:16ch}.worksheets-hero__title em{font-style:normal;color:var(--accent)}.worksheets-hero__lede{margin:1rem 0 0;font-size:1.1rem;color:var(--muted);max-width:48ch;line-height:1.55}.worksheets-hero__files{display:flex;gap:.6rem;margin-top:1.4rem;flex-wrap:wrap}.worksheets-page .file-chip{display:flex;align-items:center;gap:.5rem;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:.5rem .75rem;font-size:.88rem;font-weight:600;color:var(--ink)}.worksheets-page .file-chip i{font-style:normal;font-size:.7rem;font-weight:800;padding:.15rem .35rem;border-radius:4px;background:var(--pdf);color:#fff}.worksheets-page .file-chip i.doc{background:var(--doc)}.worksheets-page .sheet-stack{position:relative;height:240px}.worksheets-page .sheet{position:absolute;width:170px;height:220px;background:#fdfdfb;border-radius:8px;box-shadow:0 12px 30px rgba(0,0,0,.18);padding:16px 14px;color:#223}.worksheets-page .sheet:first-child{left:18%;top:18px;transform:rotate(-8deg)}.worksheets-page .sheet:nth-child(2){left:38%;top:4px;transform:rotate(4deg)}.worksheets-page .sheet .l{height:7px;border-radius:3px;background:#e3e7ea;margin-bottom:9px}.worksheets-page .sheet .t{height:10px;width:60%;background:var(--s-math);border-radius:3px;margin-bottom:14px}.worksheets-page .sheet .q{display:flex;gap:6px;align-items:center;margin-bottom:10px}.worksheets-page .sheet .q b{width:14px;height:14px;border:2px solid #9aa;border-radius:50%;flex:none}.worksheets-page .sheet .q .l{margin:0;flex:1}.worksheets-filter-wrap{padding-bottom:24px}.worksheets-filter{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:1.35rem 1.5rem}.worksheets-filter__grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:end}@media (max-width:640px){.worksheets-filter__grid{grid-template-columns:1fr}}.worksheets-filter label{display:block;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:.45rem}.worksheets-filter select{width:100%;appearance:none;border:2px solid var(--line);background:var(--sunk) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%234b5563'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") no-repeat right .75rem center /1.05rem;border-radius:12px;padding:.75rem 2.5rem .75rem .9rem;font:inherit;font-weight:600;color:var(--ink);cursor:pointer;outline:none;transition:border-color .15s}.worksheets-filter select:focus{border-color:var(--accent)}.worksheets-filter select:disabled{opacity:.55;cursor:not-allowed}.worksheets-filter__error{margin-top:.9rem;padding:.7rem .9rem;border-radius:12px;border:1px solid color-mix(in srgb,var(--bad) 35%,var(--line));background:var(--bad-soft);color:var(--bad);font-size:.9rem;font-weight:600}.worksheets-results{padding-block:8px 72px}.worksheets-results__head{display:flex;justify-content:space-between;align-items:end;gap:1rem;flex-wrap:wrap;margin-bottom:1.25rem}.worksheets-results__title{margin:0;font-family:var(--font-display);font-size:clamp(1.4rem,2.8vw,1.9rem);font-weight:700;letter-spacing:-.02em;color:var(--ink);max-width:36ch}.worksheets-results__meta{margin:.35rem 0 0;font-size:.88rem;color:var(--muted);font-weight:600}.worksheets-loading{display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:3.5rem 1rem;color:var(--muted);font-weight:700}.worksheets-spin{width:2.25rem;height:2.25rem;border-radius:999px;border:3px solid var(--line);border-top-color:var(--accent);animation:worksheets-spin .7s linear infinite}.worksheets-spin--sm{width:1.1rem;height:1.1rem;border-width:2px}@keyframes worksheets-spin{to{transform:rotate(1turn)}}.worksheets-empty{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:3rem 1.5rem}.worksheets-empty__icon{width:3.25rem;height:3.25rem;margin-inline:auto;border-radius:14px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:1rem}.worksheets-empty__title{margin:0;font-family:var(--font-display);font-size:1.25rem;font-weight:700;letter-spacing:-.01em;color:var(--ink)}.worksheets-empty__copy{margin:.6rem auto 0;max-width:42ch;color:var(--muted);font-size:.95rem;line-height:1.5}.worksheets-empty__copy strong{color:var(--ink)}.worksheets-empty__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.65rem;margin-top:1.4rem}.worksheets-list{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.worksheets-list__body{display:flex;flex-direction:column;gap:.75rem;padding:1rem}.worksheet-row{--c:var(--s-math);display:flex;align-items:center;gap:1rem;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--sunk) 55%,var(--surface));transition:border-color .15s,transform .15s}.worksheet-row:hover{border-color:color-mix(in srgb,var(--c) 45%,var(--line));transform:translateY(-1px)}@media (max-width:640px){.worksheet-row{flex-direction:column;align-items:stretch}.worksheet-row .btn{width:100%}}.worksheet-row__ico{flex:none;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 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button{background:none;border:0;color:var(--accent);font:inherit;font-weight:700;cursor:pointer;padding:0}.worksheets-list__foot button:hover{text-decoration:underline}.worksheets-list__foot .inline-spin{display:inline-flex;align-items:center;gap:.5rem}@media (prefers-reduced-motion:reduce){.worksheets-page *{animation:none!important;transition:none!important}}