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.11)}.fzc-tile__sym{font-family:var(--fzc-math);font-style:italic;font-weight:600;font-size:28px;line-height:1.1;color:var(--fzc-peach-2)}.fzc-tile__name{font-size:15px;color:#E3E8EF}.fzc-tiles input:checked+label{background:rgb(255 179 122 / .14);border-color:var(--fzc-peach-2)}.fzc-tiles input:checked+label .fzc-tile__name{color:#fff;font-weight:700}.fzc-tiles input:focus-visible+label{outline:3px solid #fff;outline-offset:2px}.fzc-board__eq{font-family:var(--fzc-math);font-style:italic;font-size:44px;line-height:1.2;color:#fff;margin-top:20px!important;unicode-bidi:isolate}.fzc-body{padding:24px}.fzc-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}.fzc-field{min-width:0}.fzc-label{display:block;font-family:var(--fzc-head);font-weight:600;font-size:16px;color:var(--fzc-ink);margin:0 0 8px}.fzc-sym{font-family:var(--fzc-math);font-style:italic;color:var(--fzc-orange);margin-inline-start:4px;font-weight:600}.fzc-row{display:flex;gap:8px}.fzc-input,.fzc-select{font-family:var(--fzc-body);font-size:18px;min-height:52px;border:1.5px solid var(--fzc-line);border-radius:10px;background:#fff;color:var(--fzc-ink);padding:8px 14px;margin:0;box-shadow:none}.fzc-input{flex:1 1 auto;min-width:0;width:100%;text-align:right;font-variant-numeric:tabular-nums;font-weight:600}.fzc-input::placeholder{color:#B3AAA2;font-weight:400}.fzc-select{flex:0 0 auto;width:auto;cursor:pointer;font-size:16px;background-color:var(--fzc-soft)}.fzc-select--material{width:100%;margin-top:8px;font-size:15px;min-height:44px;color:var(--fzc-muted)}.fzc-input:focus,.fzc-select:focus{outline:none;border-color:var(--fzc-orange);box-shadow:0 0 0 3px rgb(194 65 12 / .18)}.fzc-input[aria-invalid="true"]{border-color:#B42318}.fzc-error{color:#B42318;font-size:15px;margin-top:6px!important}.fzc-answer{margin-top:22px;border-radius:14px;background:var(--fzc-board);color:#E3E8EF;padding:20px 22px}.fzc-answer.is-empty{background:var(--fzc-soft);border:1.5px dashed var(--fzc-line);color:var(--fzc-muted);text-align:center;padding:22px}.fzc-answer__label{font-family:var(--fzc-head);font-weight:600;font-size:15px;color:#C9D1DC}.fzc-answer__value .fzc-eq{font-size:34px;color:var(--fzc-peach-2);font-weight:600;line-height:1.3}.fzc-answer__also .fzc-eq{font-size:19px;color:#C9D1DC}.fzc-facts{list-style:none;margin:14px 0 0;padding:14px 0 0;border-top:1px solid var(--fzc-grid);display:grid;gap:8px}.fzc-facts li{margin:0;font-size:16px;color:#E3E8EF}.fzc-tag{display:inline-block;font-weight:700;font-size:14px;border-radius:999px;padding:1px 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.fzc-lead{font-size:20px;color:var(--fzc-ink);margin:0 0 1.5rem}.fzc-page .fzc-formula{background-color:var(--fzc-board);background-image:linear-gradient(var(--fzc-grid) 1px,transparent 1px),linear-gradient(90deg,var(--fzc-grid) 1px,transparent 1px);background-size:36px 36px;border-radius:14px;padding:26px 24px 22px;text-align:center;margin:1.25rem 0}.fzc-page .fzc-formula .fzc-eq{font-size:40px;color:#fff}.fzc-page .fzc-formula__sub{color:#C9D1DC;font-size:15px;margin:6px 0 0}.fzc-page .fzc-solved{border:1px solid var(--fzc-line);border-radius:14px;overflow:hidden;margin:1.25rem 0;background:#fff}.fzc-page .fzc-solved__head{background:var(--fzc-peach);color:var(--fzc-orange-dark);font-family:var(--fzc-head);font-weight:700;padding:14px 20px;margin:0}.fzc-page .fzc-solved__body{padding:18px 20px}.fzc-page .fzc-solved__given{background:var(--fzc-soft);border-radius:10px;padding:12px 16px;margin:0 0 12px}.fzc-page 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