:root{--bg:#f5f7ff;--fg:#1e1b4b;--sp-1:.25rem;--sp-2:.5rem;--sp-3:.75rem;--sp-4:1rem;--sp-6:1.5rem;--sp-8:2rem;--font-sans:"Inter", system-ui, -apple-system, Segoe UI, sans-serif;--font-serif:Georgia, "Times New Roman", serif;font-size:16px}*,:before,:after{box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg);color:var(--fg);margin:0}input,select,textarea,button{font-family:inherit;font-size:1rem}input[type=checkbox],input[type=radio]{width:1rem;height:1rem;accent-color:var(--accent)}:root[data-theme=light]{--bg:#f5f7ff;--bg-card:#fff;--fg:#1e1b4b;--fg-muted:#595959;--accent:#4f46e5;--accent-soft:#eef2ff;--grid-line:#c7d2fe;--grid-line-bold:#4f46e5;--error:#dc2626;--given:#1e1b4b;--user-entry:#4f46e5;--hint:#0891b2}:root[data-theme=contrast]{--bg:#fff;--bg-card:#fff;--fg:#000;--fg-muted:#222;--accent:#000;--accent-soft:#e5e5e5;--grid-line:#000;--grid-line-bold:#000;--error:#b00000;--given:#000;--user-entry:#039;--hint:#155e75}.print-target{display:none}@media print{@page{size:auto;margin:2cm}body>#root{display:none}.print-target{font-family:var(--font-serif);color:#000;background:#fff;display:block}.print-target .grid-cell,.print-target .grid-line-bold{-webkit-print-color-adjust:exact;print-color-adjust:exact}.solution-page{break-before:page}}._header_1i33l_1{padding:var(--sp-3) var(--sp-4);border-bottom:1px solid var(--grid-line);background:var(--bg-card);justify-content:space-between;align-items:center;display:flex}._title_1i33l_9{color:var(--accent);margin:0;font-size:1.25rem}._controls_1i33l_10{gap:var(--sp-2);display:flex}._controls_1i33l_10 select,._controls_1i33l_10 button{background:var(--bg-card);border:1px solid var(--grid-line);padding:var(--sp-2) var(--sp-3);cursor:pointer;border-radius:6px;font-size:.9rem}._iconButton_1i33l_19{min-width:2.75rem;padding:var(--sp-1) var(--sp-2);justify-content:center;align-items:center;font-size:1.6rem;line-height:1;display:inline-flex}._bar_6myd3_1{padding:var(--sp-3) var(--sp-4);background:var(--bg-card);margin-bottom:var(--sp-4);color:var(--fg-muted);border-radius:8px;justify-content:space-between;align-items:center;font-size:.95rem;display:flex}._label_6myd3_12{color:var(--accent);letter-spacing:1px;font-weight:600}._cell_13dkc_1{background:var(--bg-card);border:1px solid var(--grid-line);cursor:pointer;-webkit-user-select:none;user-select:none;aspect-ratio:1;color:var(--user-entry);justify-content:center;align-items:center;font-size:1.4rem;display:flex;position:relative}._cell_13dkc_1:focus{outline:2px solid var(--accent);outline-offset:-2px}._given_13dkc_18{color:var(--given);font-weight:700}._hint_13dkc_22{color:var(--hint);font-style:italic}._selected_13dkc_26{background:var(--accent-soft);box-shadow:inset 0 0 0 2px var(--accent)}._sameNumber_13dkc_30{background:var(--accent-soft)}._error_13dkc_33{color:var(--error)}._borderRight_13dkc_36{border-right:2px solid var(--grid-line-bold)}._borderBottom_13dkc_39{border-bottom:2px solid var(--grid-line-bold)}._value_13dkc_42{display:block}._pencil_13dkc_45{width:100%;height:100%;color:var(--fg-muted);grid-template-rows:repeat(3,1fr);grid-template-columns:repeat(3,1fr);font-size:.6rem;display:grid}._pencilCell_13dkc_54{justify-content:center;align-items:center;display:flex}._board_1jm9a_1{aspect-ratio:1;border:3px solid var(--grid-line-bold);background:var(--grid-line-bold);grid-template-rows:repeat(9,1fr);grid-template-columns:repeat(9,1fr);gap:0;width:min(540px,90vw);margin:0 auto;display:grid}._pad_tkdhh_1{align-items:center;gap:var(--sp-3);margin-top:var(--sp-4);flex-direction:column;display:flex}._digits_tkdhh_8{gap:var(--sp-2);grid-template-columns:repeat(9,1fr);width:min(540px,90vw);display:grid}._digit_tkdhh_8{background:var(--bg-card);border:1px solid var(--grid-line);padding:var(--sp-2) 0;cursor:pointer;color:var(--user-entry);border-radius:6px;min-width:0;min-height:44px;font-size:1.25rem}._digit_tkdhh_8:hover{background:var(--accent-soft)}._digitDone_tkdhh_26{opacity:.3;color:var(--fg-muted);background:0 0;text-decoration:line-through}._digitDone_tkdhh_26:hover{background:0 0}._actions_tkdhh_33{gap:var(--sp-2);justify-content:center;display:flex}._actions_tkdhh_33 button{background:var(--bg-card);border:1px solid var(--grid-line);padding:var(--sp-3) var(--sp-4);cursor:pointer;border-radius:6px;min-height:44px;font-size:1.1rem}._pencilToggle_tkdhh_43{align-items:center;gap:var(--sp-1);display:inline-flex}._pencilIcon_tkdhh_48{font-size:1rem}._pencilLabel_tkdhh_51{font-size:.9rem;font-weight:500}._activeToggle_tkdhh_55{background:var(--accent);color:#fff;box-shadow:0 0 0 2px var(--accent)}@media (width<=480px){._digits_tkdhh_8{gap:var(--sp-1)}._digit_tkdhh_8{padding:var(--sp-1) 0;font-size:1.05rem}}._bar_10sez_1{gap:var(--sp-2);margin-top:var(--sp-3);flex-wrap:wrap;justify-content:center;display:flex}._bar_10sez_1 button{background:var(--bg-card);border:1px solid var(--grid-line);padding:var(--sp-2) var(--sp-3);cursor:pointer;color:var(--fg);border-radius:6px;font-size:.95rem}._bar_10sez_1 button:disabled{opacity:.4;cursor:not-allowed}._bar_10sez_1 button:hover:not(:disabled){background:var(--accent-soft)}._view_14ib7_1{max-width:600px;padding:var(--sp-4);margin:0 auto}._section_s5m7q_1{border-top:1px solid var(--border,#ccc);flex-direction:column;gap:.5rem;margin-top:1rem;padding-top:1rem;display:flex}._section_s5m7q_1 h3{margin:0;font-size:1rem}._intro_s5m7q_15{color:var(--muted,#555);margin:0;font-size:.9rem}._input_s5m7q_21{width:100%;font:inherit;box-sizing:border-box;padding:.5rem}._button_s5m7q_28{align-self:flex-start}._message_s5m7q_32{margin:0;font-size:.9rem}._error_s5m7q_37{color:var(--error,#b00)}._success_s5m7q_41{color:var(--success,#060)}._linkButton_s5m7q_45{color:var(--link,#06c);cursor:pointer;font:inherit;background:0 0;border:none;align-self:flex-start;padding:0;text-decoration:underline}._section_1vs1b_1{gap:var(--sp-2);padding-bottom:var(--sp-4);border-bottom:1px solid var(--grid-line);margin-bottom:var(--sp-2);flex-direction:column;display:flex}._heading_1vs1b_10{margin:0 0 var(--sp-1) 0;font-size:1rem}._maskedHelper_1vs1b_15,._helper_1vs1b_16{color:var(--fg-muted);margin:0;font-size:.85rem}._error_1vs1b_22{color:var(--error);margin:0;font-size:.85rem}._row_1vs1b_28{gap:var(--sp-2);align-items:center;display:flex}._row_1vs1b_28 input{flex:1}._backdrop_1ltjp_1{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._modal_1ltjp_5{background:var(--bg-card);padding:var(--sp-6);gap:var(--sp-3);border-radius:12px;flex-direction:column;min-width:20rem;max-width:90vw;display:flex}._modal_1ltjp_5 label{justify-content:space-between;gap:var(--sp-3);align-items:center;display:flex}._modal_1ltjp_5 button{padding:var(--sp-3);background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px}._hint_1ltjp_11{color:var(--fg-muted);margin:0;font-size:.85rem}._backdrop_1p2at_1{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._modal_1p2at_5{background:var(--bg-card);padding:var(--sp-6);border-radius:12px;min-width:30rem;max-width:90vw;max-height:90vh;overflow:auto}._tabs_1p2at_9{gap:var(--sp-2);margin-bottom:var(--sp-4);display:flex}._tabs_1p2at_9 button{padding:var(--sp-2) var(--sp-3);border:1px solid var(--grid-line);cursor:pointer;background:0 0;border-radius:6px}._tabs_1p2at_9 button[aria-pressed=true]{background:var(--accent);color:#fff}._statsGrid_1p2at_12{gap:var(--sp-2);flex-direction:column;display:flex}._headerRow_1p2at_13,._row_1p2at_13{gap:var(--sp-2);grid-template-columns:1.2fr 1fr 1fr 1.6fr 1fr 1fr;display:grid}._headerRow_1p2at_13{color:var(--fg-muted);border-bottom:1px solid var(--grid-line);padding-bottom:var(--sp-2);font-weight:600}._history_1p2at_15{padding:0;list-style:none}._history_1p2at_15 li{gap:var(--sp-2);padding:var(--sp-2) 0;border-bottom:1px solid var(--grid-line);grid-template-columns:2fr 1fr 1fr auto;align-items:center;display:grid}._total_1p2at_17{margin-top:var(--sp-4);font-weight:600}._head_1m6tn_1{text-align:center;margin-bottom:1.5rem}._head_1m6tn_1 h1{font-family:var(--font-serif);letter-spacing:4px;font-size:1.4rem}._code_1m6tn_3{color:#555;font-family:monospace}._grid_1m6tn_4{border:3px solid #000;grid-template-rows:repeat(9,1.5cm);grid-template-columns:repeat(9,1.5cm);width:max-content;margin:0 auto;display:grid}._cell_1m6tn_12{font-family:var(--font-serif);border:.5px solid #888;justify-content:center;align-items:center;font-size:1rem;display:flex}._brBold_1m6tn_18{border-right:2px solid #000}._bbBold_1m6tn_19{border-bottom:2px solid #000}._smallGrid_1m6tn_20 ._grid_1m6tn_4{grid-template-rows:repeat(9,1cm);grid-template-columns:repeat(9,1cm)}._foot_1m6tn_21{text-align:center;color:#555;margin-top:1.5rem;font-style:italic}._backdrop_nz3xc_1{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._modal_nz3xc_5{background:var(--bg-card);padding:var(--sp-6);border-radius:12px;max-width:80vw;max-height:90vh;overflow:auto}._preview_nz3xc_9{transform-origin:0 0;transform:scale(.5)}._actions_nz3xc_10{gap:var(--sp-3);margin-top:var(--sp-4);justify-content:flex-end;display:flex}._actions_nz3xc_10 button{padding:var(--sp-3) var(--sp-4);cursor:pointer;border-radius:6px}._backdrop_1crs7_1{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._popover_1crs7_5{background:var(--bg-card);padding:var(--sp-6);gap:var(--sp-3);border-radius:12px;flex-direction:column;align-items:center;min-width:23.75rem;max-width:90vw;max-height:90vh;display:flex;overflow:auto}._field_1crs7_9{gap:var(--sp-2);width:100%;display:flex}._field_1crs7_9 input{padding:var(--sp-2);border:1px solid var(--grid-line);border-radius:4px;flex:1;font-family:monospace}._field_1crs7_9 button{padding:var(--sp-2) var(--sp-3);background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:4px}._qr_1crs7_16{margin-top:var(--sp-3)}._close_1crs7_17{margin-top:var(--sp-3);padding:var(--sp-3) var(--sp-4);cursor:pointer;border-radius:6px}._hint_1crs7_18{color:var(--fg-muted);font-size:.9rem}._backdrop_s4vjj_1{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._modal_s4vjj_5{background:var(--bg-card);padding:var(--sp-6);gap:var(--sp-3);border-radius:12px;flex-direction:column;min-width:23.75rem;max-width:90vw;display:flex}._modal_s4vjj_5 input{padding:var(--sp-3);border:1px solid var(--grid-line);border-radius:6px;font-family:monospace;font-size:1rem}._actions_s4vjj_10{gap:var(--sp-2);justify-content:flex-end;display:flex}._actions_s4vjj_10 button{padding:var(--sp-2) var(--sp-3);cursor:pointer;border-radius:6px}._error_s4vjj_12{color:var(--error)}._backdrop_1fk90_1{z-index:100;height:100dvh;padding:var(--sp-4);background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;top:0;left:0;right:0;overflow-y:auto}._modal_1fk90_13{background:var(--bg-card);padding:var(--sp-8);text-align:center;border-radius:12px;max-width:min(20rem,100%);max-height:100%;overflow-y:auto}._modal_1fk90_13 h2{color:var(--accent)}._actions_1fk90_20{gap:var(--sp-2);margin-top:var(--sp-4);justify-content:center;display:flex}._actions_1fk90_20 button{padding:var(--sp-3) var(--sp-4);cursor:pointer;border-radius:6px}._backdrop_lb7s7_1{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._modal_lb7s7_10{background:var(--bg-card);padding:var(--sp-6);gap:var(--sp-3);border-radius:12px;flex-direction:column;min-width:24rem;max-width:90vw;max-height:90vh;display:flex;overflow:auto}._dateRow_lb7s7_22{justify-content:space-between;align-items:center;gap:var(--sp-2);display:flex}._dateLabel_lb7s7_28{font-size:1.05rem;font-weight:600}._dateNavBtn_lb7s7_32{border:1px solid var(--grid-line);padding:var(--sp-2) var(--sp-3);cursor:pointer;background:0 0;border-radius:6px}._dateNavBtn_lb7s7_32:disabled{opacity:.4;cursor:not-allowed}._difficultyGrid_lb7s7_43{gap:var(--sp-3);grid-template-columns:repeat(2,1fr);display:grid}._difficultyButton_lb7s7_48{background:var(--bg-card);border:1px solid var(--grid-line);padding:var(--sp-4);cursor:pointer;text-align:left;gap:var(--sp-1);border-radius:8px;flex-direction:column;font-size:1rem;display:flex}._difficultyButton_lb7s7_48:hover{background:var(--accent-soft)}._difficultyName_lb7s7_63{text-transform:uppercase;letter-spacing:.05em;font-size:.9rem;font-weight:600}._code_lb7s7_69{color:var(--fg-muted);font-family:monospace;font-size:.85rem}._muted_lb7s7_74{color:var(--fg-muted);text-align:center;padding:var(--sp-4)}._archiveToggle_lb7s7_79{color:var(--accent);cursor:pointer;background:0 0;border:none;align-self:flex-start;padding:0;font-size:.95rem;text-decoration:underline}._archiveList_lb7s7_89{gap:var(--sp-1);border-top:1px solid var(--grid-line);padding-top:var(--sp-3);flex-direction:column;display:flex}._archiveItem_lb7s7_96{padding:var(--sp-2);border:1px solid var(--grid-line);cursor:pointer;background:0 0;border-radius:6px;justify-content:space-between;align-items:center;font-family:inherit;font-size:.95rem;display:flex}._archiveItem_lb7s7_96:hover{background:var(--accent-soft)}._close_lb7s7_111{padding:var(--sp-2) var(--sp-4);background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;align-self:flex-end}._difficultyCell_lb7s7_120{gap:var(--sp-1);padding:var(--sp-3);border:1px solid var(--grid-line);border-radius:8px;flex-direction:column;display:flex}._buttonPair_lb7s7_128{gap:var(--sp-2);margin-top:var(--sp-2);display:flex}._competeButton_lb7s7_133{padding:var(--sp-2) var(--sp-3);background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;flex:1;font-weight:600}._competeButton_lb7s7_133:hover{filter:brightness(1.05)}._difficultyCell_lb7s7_120 ._difficultyButton_lb7s7_48{flex:1}._backdrop_1642u_1{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._modal_1642u_10{background:var(--bg-card);padding:var(--sp-6);gap:var(--sp-3);border-radius:12px;flex-direction:column;min-width:28rem;max-width:95vw;max-height:90vh;display:flex;overflow:auto}._tabs_1642u_22{gap:var(--sp-2);border-bottom:1px solid var(--grid-line);display:flex}._tab_1642u_22{padding:var(--sp-2) var(--sp-3);cursor:pointer;color:var(--fg-muted);background:0 0;border:none;border-bottom:2px solid #0000;font-size:.95rem}._tabActive_1642u_36{color:var(--fg);border-bottom-color:var(--accent);font-weight:600}._controls_1642u_41{gap:var(--sp-2);flex-wrap:wrap;align-items:center;display:flex}._controls_1642u_41 select{padding:var(--sp-1) var(--sp-2)}._muted_1642u_50{color:var(--fg-muted);text-align:center;padding:var(--sp-4)}._table_1642u_55{border-collapse:collapse;width:100%;font-size:.9rem}._table_1642u_55 th,._table_1642u_55 td{text-align:left;padding:var(--sp-2) var(--sp-3);border-bottom:1px solid var(--grid-line)}._table_1642u_55 th{color:var(--fg-muted);font-weight:600}._rowMe_1642u_69{background:var(--accent-soft);font-weight:600}._rankCol_1642u_73{font-variant-numeric:tabular-nums;width:3rem}._timeCol_1642u_77{font-variant-numeric:tabular-nums;text-align:right}._close_1642u_81{padding:var(--sp-2) var(--sp-4);background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;align-self:flex-end}._backdrop_1ikhc_1{z-index:100;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._modal_1ikhc_11{background:var(--bg,#fff);color:var(--fg,#000);border-radius:8px;flex-direction:column;gap:1.25rem;width:min(560px,90vw);max-height:90vh;padding:1.5rem;display:flex;overflow-y:auto}._section_1ikhc_24{flex-direction:column;gap:.5rem;display:flex}._section_1ikhc_24 h3{margin:0;font-size:1rem}._intro_1ikhc_35{color:var(--muted,#555);margin:0;font-size:.9rem}._inviteCode_1ikhc_41{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}._inviteCode_1ikhc_41 code{background:var(--codeBg,#f4f4f4);border-radius:4px;padding:.25rem .5rem;font-family:ui-monospace,monospace;font-size:1.05rem}._qr_1ikhc_56{align-self:center;margin-top:.5rem}._input_1ikhc_61{width:100%;font:inherit;box-sizing:border-box;padding:.5rem}._list_1ikhc_68{flex-direction:column;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}._row_1ikhc_77{justify-content:space-between;align-items:center;gap:.5rem;font-size:.95rem;display:flex}._rowName_1ikhc_85{flex:auto}._rowSubtle_1ikhc_89{color:var(--muted,#555);font-size:.85rem}._message_1ikhc_94{margin:0;font-size:.9rem}._error_1ikhc_99{color:var(--error,#b00)}._success_1ikhc_100{color:var(--success,#060)}._close_1ikhc_102{align-self:flex-end}._backdrop_jb963_1{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}._modal_jb963_11{background:var(--bg-card);color:var(--fg);padding:var(--sp-4);gap:var(--sp-2);border-radius:12px;flex-direction:column;width:min(420px,90vw);display:flex}._title_jb963_22{margin:0;font-size:1.15rem}._intro_jb963_27,._maskedHelper_jb963_28,._helper_jb963_29{color:var(--fg-muted);margin:0;font-size:.9rem}._error_jb963_35{color:var(--error);margin:0;font-size:.85rem}._actions_jb963_41{gap:var(--sp-2);margin-top:var(--sp-1);justify-content:flex-end;display:flex}._app_i67kd_1{background:var(--bg);min-height:100vh}