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#0000;border-radius:7px;flex:1;padding:6px 10px}._stepTitle_fob2b_258:hover{border-color:var(--pv-rule-soft)}._stepTitle_fob2b_258:focus{background:var(--pv-paper);border-color:var(--pv-accent-soft);outline:none}._stepTitle_fob2b_258::placeholder{color:var(--pv-faint);font-weight:400}._titleInput_fob2b_278{font:inherit;font-size:19px;font-weight:600;font-family:var(--pv-font-serif);color:var(--pv-ink);background:var(--pv-paper);border:1px solid var(--pv-rule);border-radius:8px;padding:10px 12px}._titleInput_fob2b_278:focus{border-color:var(--pv-accent-soft);box-shadow:0 0 0 3px var(--pv-accent-wash);outline:none}._titleInput_fob2b_278::placeholder{color:var(--pv-faint);font-weight:400}._kindRow_fob2b_293{grid-template-columns:repeat(auto-fit,minmax(94px,1fr));gap:7px;margin-bottom:16px;display:grid}._kindCard_fob2b_299{font:inherit;color:var(--pv-ink2);background:var(--pv-paper);border:1px solid var(--pv-rule);cursor:pointer;border-radius:10px;flex-direction:column;align-items:center;gap:5px;padding:11px 6px;transition:border-color .11s,background .11s;display:flex}._kindCard_fob2b_299:hover{border-color:var(--pv-accent-soft)}._kindCardOn_fob2b_314{color:var(--pv-accent-ink);background:var(--pv-accent-wash);border-color:var(--pv-accent)}._kindIcon_fob2b_319{font-size:19px;line-height:1}._kindLabel_fob2b_320{text-align:center;font-size:11px;font-weight:500}._inlineChoice_fob2b_323{flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:14px;display:flex}._chip_fob2b_330{font:inherit;color:var(--pv-ink2);background:var(--pv-paper);border:1px solid var(--pv-rule);cursor:pointer;border-radius:999px;padding:6px 12px;font-size:12px}._chip_fob2b_330:hover{border-color:var(--pv-accent-soft)}._chipOn_fob2b_340{color:var(--pv-paper);background:var(--pv-accent);border-color:var(--pv-accent)}._thresholdInput_fob2b_346{width:74px;font:inherit;font-size:12px;font-family:var(--pv-font-mono);color:var(--pv-ink);background:var(--pv-paper);border:1px solid var(--pv-rule);border-radius:999px;padding:6px 10px}._thresholdInput_fob2b_346:focus{border-color:var(--pv-accent-soft);outline:none}._figureBar_fob2b_359{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}._figureBarLabel_fob2b_360{color:var(--pv-muted);font-size:12px}._figurePanel_fob2b_362{background:var(--pv-paper);border:1px solid var(--pv-accent-soft);border-radius:10px;flex-direction:column;gap:10px;margin-bottom:14px;padding:14px;display:flex}._insertBtn_fob2b_373{font:inherit;color:var(--pv-paper);background:var(--pv-accent);border:1px solid var(--pv-accent);cursor:pointer;border-radius:8px;align-self:flex-start;padding:7px 15px;font-size:12px}._insertBtn_fob2b_373:disabled{opacity:.4;cursor:not-allowed}._lessonPreview_fob2b_386{flex-direction:column;gap:14px;display:flex}._lpHeader_fob2b_388{background:var(--pv-surface);border:1px solid var(--pv-rule);border-radius:12px;padding:22px 24px}._lpKicker_fob2b_394{text-transform:uppercase;letter-spacing:.08em;color:var(--pv-muted);margin-bottom:6px;font-size:10px}._lpTitle_fob2b_398{font-size:24px;font-family:var(--pv-font-serif);margin:0 0 6px}._lpSummary_fob2b_399{color:var(--pv-ink2);margin:0 0 10px;font-size:14px;line-height:1.6}._lpMeta_fob2b_400{color:var(--pv-muted);gap:14px;font-size:12px;display:flex}._lpRail_fob2b_402{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}._lpDot_fob2b_403{background:var(--pv-surface);border:1px solid var(--pv-rule);border-radius:999px;align-items:center;gap:6px;padding:5px 11px;font-size:12px;display:flex}._lpDotIcon_fob2b_411{font-size:13px}._lpDotNum_fob2b_412{font-family:var(--pv-font-mono);color:var(--pv-muted)}._lpCard_fob2b_414{background:var(--pv-paper);border:1px solid var(--pv-rule);border-radius:12px;padding:20px 24px}._lpCardKind_fob2b_420{text-transform:uppercase;letter-spacing:.06em;color:var(--pv-accent-ink);margin-bottom:8px;font-size:11px}._lpCardTitle_fob2b_424{font-size:18px;font-family:var(--pv-font-serif);margin:0 0 8px}._lpCardInstruction_fob2b_425{color:var(--pv-ink2);margin:0 0 12px;font-size:13px;line-height:1.6}._lpCardNote_fob2b_426{color:var(--pv-muted);font-size:12px;font-family:var(--pv-font-mono);margin:0}._lpTargets_fob2b_432{flex-direction:column;gap:8px;display:flex}._lpTargetNames_fob2b_433{font-size:12px;font-family:var(--pv-font-mono);color:var(--pv-muted)}._mlPanel_fob2b_436{background:var(--pv-surface);border:1px solid var(--pv-rule);border-radius:12px;margin-bottom:22px;padding:16px 20px}._mlSummary_fob2b_443{cursor:pointer;font-size:13px;font-weight:600;font-family:var(--pv-font-serif);color:var(--pv-ink)}._mlEmpty_fob2b_450,._mlError_fob2b_450{color:var(--pv-muted);margin:10px 0 0;font-size:12px}._mlError_fob2b_450{color:var(--pv-brass-ink)}._mlList_fob2b_453{flex-direction:column;gap:6px;margin:12px 0 0;padding:0;list-style:none;display:flex}._mlItem_fob2b_454{border:1px solid var(--pv-rule);background:var(--pv-paper);border-radius:8px;align-items:stretch;gap:6px;display:flex;overflow:hidden}._mlItem_fob2b_454:hover{border-color:var(--pv-accent-soft)}._mlItemCurrent_fob2b_464{border-color:var(--pv-accent)}._mlOpen_fob2b_466{font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;align-items:flex-start;gap:2px;padding:9px 12px;display:flex}._mlTitle_fob2b_479{color:var(--pv-ink);font-size:13px}._mlMeta_fob2b_480{font-size:11px;font-family:var(--pv-font-mono);color:var(--pv-muted)}._mlDelete_fob2b_482{font:inherit;color:var(--pv-muted);border:none;border-left:1px solid var(--pv-rule);cursor:pointer;background:0 0;padding:0 12px;font-size:12px}._mlDelete_fob2b_482:hover{color:var(--pv-brass-ink)}._wrap_oyv8f_1{flex-direction:column;gap:8px;display:flex}._keyboard_oyv8f_3{width:450px;max-width:100%;height:88px;position:relative;overflow-x:auto}._white_oyv8f_12,._black_oyv8f_13{cursor:pointer;border-radius:0 0 4px 4px;padding:0;transition:background 90ms;position:absolute;top:0}._white_oyv8f_12{background:var(--pv-paper,#fff);border:1px solid var(--pv-rule,#ccc);justify-content:center;align-items:flex-end;width:29px;height:88px;display:flex}._white_oyv8f_12:hover{background:var(--pv-accent-wash,#eef)}._black_oyv8f_13{z-index:2;background:var(--pv-ink,#222);border:1px solid var(--pv-ink,#222);justify-content:center;align-items:flex-end;width:19px;height:54px;display:flex}._black_oyv8f_13:hover{background:var(--pv-ink2,#444)}._white_oyv8f_12._selected_oyv8f_49,._black_oyv8f_13._selected_oyv8f_49{background:var(--pv-accent);border-color:var(--pv-accent)}._whiteLabel_oyv8f_59{font-size:9px;font-family:var(--pv-font-mono,monospace);color:var(--pv-muted,#888);pointer-events:none;margin-bottom:6px}._white_oyv8f_12._selected_oyv8f_49 ._whiteLabel_oyv8f_59{color:var(--pv-paper,#fff);font-size:10px;font-weight:600}._blackLabel_oyv8f_73{font-size:9px;font-weight:600;font-family:var(--pv-font-mono,monospace);color:var(--pv-paper,#fff);pointer-events:none;margin-bottom:5px}._readout_oyv8f_82{align-items:center;gap:10px;min-height:22px;display:flex}._readoutEmpty_oyv8f_89{color:var(--pv-muted);font-size:11px}._readoutValue_oyv8f_91{font-family:var(--pv-font-mono);color:var(--pv-accent-ink);background:var(--pv-accent-wash);border-radius:5px;padding:3px 7px;font-size:11px}._clear_oyv8f_100{font:inherit;color:var(--pv-muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:11px;text-decoration:underline}._clear_oyv8f_100:hover{color:var(--pv-ink)}._shell_h6hhr_2,._app_h6hhr_3{--pv-paper:oklch(97.5% .014 80);--pv-surface:oklch(95% .016 78);--pv-rule:oklch(86% .016 75);--pv-ink:oklch(16% .022 55);--pv-ink2:oklch(30% .02 58);--pv-muted:oklch(52% .018 65);--pv-faint:oklch(70% .014 72);--pv-accent:oklch(44% .1 158);--pv-accent-ink:oklch(40% .1 158);--pv-accent-soft:oklch(68% .06 158);--pv-accent-wash:oklch(93% .03 158);--pv-brass-ink:oklch(52% .13 45);--pv-brass-soft:oklch(76% .09 48);--pv-brass-wash:oklch(95% .04 50);--pv-font-serif:"Spectral", "Source Serif Pro", Georgia, serif;--pv-font-sans:"IBM Plex Sans", "Helvetica Neue", Helvetica, sans-serif;color:var(--pv-ink);font-family:var(--pv-font-sans)}._shell_h6hhr_2{background:var(--pv-paper);justify-content:center;align-items:center;min-height:100vh;padding:32px 20px;display:flex}._card_h6hhr_34{background:var(--pv-surface);border:1px solid var(--pv-rule);border-radius:14px;flex-direction:column;width:100%;max-width:380px;padding:32px;display:flex}._heading_h6hhr_45{font-size:22px;font-weight:600;font-family:var(--pv-font-serif);margin:0 0 6px}._muted_h6hhr_52{color:var(--pv-muted);margin:0 0 20px;font-size:13px;line-height:1.5}._body_h6hhr_59{color:var(--pv-ink2);margin:0 0 20px;font-size:14px;line-height:1.6}._label_h6hhr_66{color:var(--pv-ink2);margin-bottom:6px;font-size:12px;font-weight:500}._input_h6hhr_73{color:var(--pv-ink);background:var(--pv-paper);border:1px solid var(--pv-rule);border-radius:8px;margin-bottom:16px;padding:10px 12px;font-family:inherit;font-size:14px}._input_h6hhr_73:focus{border-color:var(--pv-accent-soft);box-shadow:0 0 0 3px var(--pv-accent-wash);outline:none}._primary_h6hhr_90,._secondary_h6hhr_91{cursor:pointer;border:1px solid #0000;border-radius:8px;padding:11px 16px;font-family:inherit;font-size:14px;font-weight:500}._primary_h6hhr_90{color:var(--pv-paper);background:var(--pv-accent)}._primary_h6hhr_90:hover:not(:disabled){background:var(--pv-accent-ink)}._primary_h6hhr_90:disabled{opacity:.6;cursor:default}._secondary_h6hhr_91{color:var(--pv-ink2);background:var(--pv-paper);border-color:var(--pv-rule);align-self:flex-start}._secondary_h6hhr_91:hover{border-color:var(--pv-accent-soft)}._error_h6hhr_118{color:var(--pv-brass-ink);background:var(--pv-brass-wash);border:1px solid var(--pv-brass-soft);border-radius:8px;margin:0 0 14px;padding:9px 11px;font-size:13px;line-height:1.45}._app_h6hhr_3{background:var(--pv-paper);min-height:100vh}._topbar_h6hhr_135{background:var(--pv-surface);border-bottom:1px solid var(--pv-rule);align-items:center;gap:14px;padding:12px 20px;display:flex}._brand_h6hhr_144{font-size:15px;font-weight:600;font-family:var(--pv-font-serif)}._who_h6hhr_145{color:var(--pv-muted);margin-left:auto;font-size:12px}._signOut_h6hhr_147{font:inherit;color:var(--pv-ink2);background:var(--pv-paper);border:1px solid var(--pv-rule);cursor:pointer;border-radius:7px;padding:6px 12px;font-size:12px}._signOut_h6hhr_147:hover{border-color:var(--pv-accent-soft);color:var(--pv-accent-ink)}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}html,body,#root{min-height:100vh;margin:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#d4d0ca;background:#08080e;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}body.teacher-theme{color:oklch(16% .022 55);background:oklch(97.5% .014 80);font-family:IBM Plex Sans,Helvetica Neue,Helvetica,sans-serif}