*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f0f8ff;--surface:#fff;--border:#d8e8f5;--text:#1a2a3a;--muted:#6b8299;--accent:#4a90d9;--accent-h:#2e74c0;--danger:#e05050;--success:#3cb87a;--radius:10px;--shadow:0 1px 4px #00000014;--col-blue:#80b9fe;--col-pink:#f59abd;--col-purple:#b97fed;--col-yellow:#f6ce5c;--col-teal:#43d6b9;--col-green:#b4da83;--col-gray:#acc5e4}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border-radius:var(--radius);border:none;padding:10px 20px;font-size:14px;font-weight:600;transition:background .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-h)}.btn-primary:disabled{background:var(--border);color:var(--muted);cursor:not-allowed}.btn-ghost{border:1px solid var(--border);color:var(--text);background:0 0}.btn-ghost:hover{background:var(--border)}._nav_9gbrn_1{background:var(--surface);border-bottom:1px solid var(--border);z-index:100;align-items:center;gap:24px;height:52px;padding:0 24px;display:flex;position:sticky;top:0}._logo_9gbrn_13{color:var(--text);flex-shrink:0;font-size:17px;font-weight:700}._links_9gbrn_14{gap:4px;min-width:0;margin-left:auto;display:flex}._links_9gbrn_14 a{color:var(--muted);white-space:nowrap;border-radius:20px;padding:6px 14px;font-size:14px;font-weight:500;transition:background .12s,color .12s}._links_9gbrn_14 a:hover{background:var(--bg);color:var(--text);text-decoration:none}._links_9gbrn_14 a._active_9gbrn_25{background:var(--accent);color:#fff}@media (width<=560px){._nav_9gbrn_1{gap:8px;padding:0 12px}._logo_9gbrn_13{font-size:15px}._links_9gbrn_14{gap:2px}._links_9gbrn_14 a{padding:6px 8px;font-size:12px}}._title_15zmo_1{margin-bottom:20px;font-size:22px;font-weight:700}._grid_15zmo_2{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}._card_15zmo_7{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:8px;padding:20px;display:flex}._cardPlaceholder_15zmo_16{opacity:.5}._cardPending_15zmo_17{background:#fffdf5;border-color:#e6c76e}._cardTop_15zmo_18{justify-content:flex-end;display:flex}._badge_15zmo_19{color:var(--success);background:#e6f4ea;border-radius:20px;padding:2px 8px;font-size:11px;font-weight:600}._badgePending_15zmo_27{color:#7b5e22;background:#fff0c2}._cardTitle_15zmo_28{font-size:16px;font-weight:700}._cardDesc_15zmo_29{color:var(--muted);flex:1;font-size:13px}._cardActions_15zmo_30{gap:8px;margin-top:4px;display:flex}._linkBtn_15zmo_31{text-align:center;border:1px solid var(--border);border-radius:var(--radius);color:var(--accent);flex:1;padding:7px 0;font-size:13px;font-weight:500;transition:background .12s}._disabledBtn_15zmo_42{text-align:center;border:1px solid var(--border);border-radius:var(--radius);color:#9b8b6b;background:#faf3df;flex:1;padding:7px 0;font-size:13px;font-weight:500}._linkBtn_15zmo_31:hover{background:var(--bg);text-decoration:none}._playHeader_nlcro_1{justify-content:flex-end;display:flex}._wrap_nlcro_5{max-width:1200px;margin:0 auto}._back_nlcro_6{color:var(--muted);margin-bottom:16px;font-size:13px;display:inline-block}._back_nlcro_6:hover{color:var(--accent)}._tabs_nlcro_8{border-bottom:1px solid var(--border);gap:4px;margin-bottom:20px;padding-bottom:0;display:flex}._tab_nlcro_8{border-radius:var(--radius) var(--radius) 0 0;color:var(--muted);background:0 0;border:1px solid #0000;border-bottom:none;margin-bottom:-1px;padding:8px 18px;font-size:14px;font-weight:500}._tab_nlcro_8:hover{color:var(--text);background:var(--bg)}._tabActive_nlcro_21{color:var(--accent);background:var(--surface);border-color:var(--border)}._muted_nlcro_22{color:var(--muted);font-size:14px}._content_nlcro_24{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;line-height:1.7}._content_nlcro_24 h1{margin:0 0 12px;font-size:20px}._content_nlcro_24 h2{margin:20px 0 8px;font-size:16px}._content_nlcro_24 h3{color:var(--muted);margin:16px 0 6px;font-size:14px}._content_nlcro_24 p{color:var(--text);margin:0 0 10px;font-size:14px}._content_nlcro_24 hr{border:none;border-top:1px solid var(--border);margin:16px 0}._content_nlcro_24 code{background:var(--bg);border-radius:4px;padding:1px 5px;font-size:12px}._content_nlcro_24 blockquote{border-left:3px solid var(--accent);color:var(--muted);margin:16px 0;padding-left:12px;font-size:13px}._content_nlcro_24 strong{font-weight:700}._content_nlcro_24 ul,._content_nlcro_24 ol{margin:10px 0;padding-left:24px}._content_nlcro_24 li{color:var(--text);margin-bottom:6px;font-size:14px}._content_nlcro_24 table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px}._content_nlcro_24 th,._content_nlcro_24 td{border:1px solid var(--border);text-align:left;padding:10px 12px}._content_nlcro_24 th{background:var(--bg);color:var(--text);font-weight:600}._gameShell_1ukb9_1{grid-template-columns:minmax(280px,1fr) 260px;align-items:start;gap:24px;display:grid}._stage_1ukb9_8{background:linear-gradient(135deg,#ffffffe0,#eaf7f9b8),repeating-linear-gradient(45deg,#17535c0a 0 10px,#0000 10px 20px);border:1px solid #bfd6df;border-radius:8px;min-width:0;padding:18px}._toolbar_1ukb9_18{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}._sizeGroup_1ukb9_26{background:#f8fcfd;border:1px solid #c8dbe2;border-radius:8px;gap:6px;padding:4px;display:flex}._sizeButton_1ukb9_35{color:#425761;background:0 0;border-radius:6px;min-width:52px;padding:7px 10px}._sizeButtonActive_1ukb9_43{color:#12323c;background:#dff3f0;box-shadow:inset 0 0 0 1px #7abfb5}._actions_1ukb9_49{gap:8px;display:flex}._board_1ukb9_54{--size:8;grid-template-columns:repeat(var(--size), minmax(0, 1fr));aspect-ratio:1;background:#17343d;border:4px solid #17343d;width:min(100%,620px);margin:0 auto;display:grid;box-shadow:0 16px 40px #1a2a3a29}._celebrationPanel_1ukb9_66{text-align:center;background:linear-gradient(#f4fff9,#e8fbf1);border:1px solid #9bdcc6;border-radius:8px;width:min(100%,620px);margin:16px auto 0;padding:16px 18px}._celebrationEmoji_1ukb9_76{font-size:28px;line-height:1}._celebrationTitle_1ukb9_81{color:#0b5d47;margin:8px 0 4px;font-size:18px}._celebrationText_1ukb9_87{color:#25584b;margin:0;font-size:13px;line-height:1.6}._cell_1ukb9_94{aspect-ratio:1;color:#12323c;border:1.5px solid #17343d94;place-items:center;min-width:0;transition:box-shadow .12s,filter .12s,opacity .12s;display:grid;position:relative}._cell_1ukb9_94:focus-visible{z-index:2;outline-offset:-5px;outline:3px solid #fff}._mark_1ukb9_111{background:#f8fff9;border:3px solid #17343d;border-radius:50%;place-items:center;width:58%;height:58%;display:grid;box-shadow:0 3px #17343d47}._mark_1ukb9_111:before{content:"";background:#17343d;border-radius:50%;width:44%;height:44%;box-shadow:-9px -7px 0 -5px #17343d,9px -7px 0 -5px #17343d}._conflict_1ukb9_131 ._mark_1ukb9_111{background:#fff3f1;border-color:#d84032}._solved_1ukb9_136 ._mark_1ukb9_111{background:#effff4;border-color:#0b7f61}._regionLabel_1ukb9_141{color:#12323c6b;pointer-events:none;font-size:clamp(9px,1.6vw,12px);font-weight:800;position:absolute;inset:4px auto auto 5px}._sidePanel_1ukb9_150{background:#fff;border:1px solid #c8dbe2;border-radius:8px;padding:18px}._statusTitle_1ukb9_157{color:#12323c;margin:0 0 10px;font-size:16px}._statusGrid_1ukb9_163{grid-template-columns:1fr 1fr;gap:8px;margin:14px 0;display:grid}._metric_1ukb9_170{background:#f8fcfd;border:1px solid #d9e8ed;border-radius:6px;padding:10px}._metricValue_1ukb9_177{font-size:20px;font-weight:800;line-height:1;display:block}._metricLabel_1ukb9_184{color:#647d87;margin-top:4px;font-size:12px;display:block}._message_1ukb9_191{color:#526a74;min-height:48px;margin:12px 0;font-size:13px;line-height:1.55}._successBox_1ukb9_199,._conflictBox_1ukb9_200{border-radius:6px;padding:10px 12px;font-size:13px;line-height:1.5}._successBox_1ukb9_199{color:#075f48;background:#e7fbf2;border:1px solid #9bdcc6}._conflictBox_1ukb9_200{color:#9f2c22;background:#fff1ef;border:1px solid #efb3ad}._ruleList_1ukb9_219{gap:8px;margin-top:12px;display:grid}._ruleItem_1ukb9_225{background:#f8fcfd;border:1px solid #d9e8ed;border-radius:6px;padding:10px 12px}._ruleItem_1ukb9_225 h3{color:#12323c;margin:0;font-size:13px;line-height:1.35}._ruleItem_1ukb9_225 ul{margin:8px 0 0;padding-left:18px}._ruleItem_1ukb9_225 li{color:#9f2c22;margin:4px 0;font-size:12px;line-height:1.45}._ruleItemBad_1ukb9_251{background:#fff8f7;border-color:#efb3ad}._legend_1ukb9_256{grid-template-columns:repeat(5,1fr);gap:6px;margin-top:16px;display:grid}._swatch_1ukb9_263{border:1px solid #17343d47;border-radius:5px;height:24px}@media (width<=860px){._gameShell_1ukb9_1{grid-template-columns:1fr}._toolbar_1ukb9_18{flex-direction:column;align-items:stretch}._actions_1ukb9_49,._sizeGroup_1ukb9_26{justify-content:center}}._solveLayout_17a77_1{grid-template-columns:1fr 340px;align-items:start;gap:24px;display:grid}@media (width<=720px){._solveLayout_17a77_1{grid-template-columns:1fr}}._solverWorkspace_17a77_9{grid-template-columns:340px minmax(0,1fr);align-items:start;gap:32px;display:grid}@media (width<=960px){._solverWorkspace_17a77_9{grid-template-columns:1fr}}._controlPanel_17a77_21,._resultPanel_17a77_22{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);min-width:0;padding:20px}._sectionTitle_17a77_40{align-items:center;gap:8px;margin-bottom:12px;font-size:16px;font-weight:700;display:flex}._badge_17a77_48{background:var(--bg);border:1px solid var(--border);color:var(--muted);border-radius:20px;padding:2px 8px;font-size:11px;font-weight:500}._helperText_17a77_58{color:var(--muted);margin:-2px 0 12px;font-size:13px;line-height:1.6}._sampleGrid_17a77_65{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:12px;display:grid}._sampleCard_17a77_72{border:1px solid var(--border);background:var(--surface);min-width:0;color:var(--text);text-align:left;border-radius:6px;padding:6px}._sampleCard_17a77_72:hover,._sampleCardActive_17a77_83{border-color:var(--accent);background:#f4fbff}._sampleCard_17a77_72 span{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-top:5px;font-size:11px;line-height:1.2;display:block;overflow:hidden}._sampleImg_17a77_99{aspect-ratio:1;object-fit:cover;border:1px solid var(--border);background:var(--bg);border-radius:4px;width:100%;display:block}._dropzone_17a77_110{border:2px dashed var(--border);border-radius:var(--radius);cursor:pointer;justify-content:center;align-items:center;min-height:180px;transition:border-color .15s;display:flex;overflow:hidden}._dropzone_17a77_110:hover{border-color:var(--accent)}._dropzone_17a77_110._hasFile_17a77_122{border-style:solid}._dropHint_17a77_123{color:var(--muted);font-size:14px}._previewImg_17a77_124{object-fit:contain;width:100%;max-height:280px;display:block}._error_17a77_126{border-radius:var(--radius);color:var(--danger);background:#fff0f0;border:1px solid #f5c6c6;margin-top:10px;padding:10px 14px;font-size:13px}._resultStage_17a77_136{justify-content:center;align-items:flex-start;min-height:560px;padding-top:8px;display:flex}@media (width<=960px){._resultStage_17a77_136{justify-content:flex-start;min-height:auto;padding-top:0}}._resultPlaceholder_17a77_151{border:1px dashed var(--border);border-radius:var(--radius);background:var(--bg);width:min(100%,420px);min-height:240px;color:var(--muted);text-align:center;justify-content:center;align-items:center;padding:0 24px;font-size:14px;display:flex}._annotatedWrap_17a77_166{border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);width:min(100%,420px);position:relative;overflow:hidden;box-shadow:0 8px 24px #0f172a0f}._resultNotice_17a77_175{border-bottom:1px solid var(--border);gap:4px;padding:10px 12px;font-size:12px;line-height:1.5;display:grid}._resultNotice_17a77_175 strong{font-size:13px}._resultWarning_17a77_186{color:#7a4d00;background:#fff7db}._resultOk_17a77_190{color:#1f6b3c;background:#effaf1}._annotatedImg_17a77_194{object-fit:contain;width:100%;max-height:78vh;display:block}._wrap_bgy9j_1{max-width:1120px}._hero_bgy9j_3{border:1px solid var(--border);background:linear-gradient(135deg,#f7f0df 0%,#edf5ed 55%,#eef3f8 100%);border-radius:22px;margin-bottom:18px;padding:28px}._eyebrow_bgy9j_11{letter-spacing:.12em;color:#7b5e22;margin-bottom:8px;font-size:12px;font-weight:800}._title_bgy9j_19{margin-bottom:10px;font-size:28px;font-weight:800}._desc_bgy9j_20{max-width:820px;color:var(--muted);font-size:14px;line-height:1.8}._steps_bgy9j_22{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:18px;display:grid}._step_bgy9j_22{color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:14px;align-items:center;gap:8px;padding:10px 12px;font-size:13px;font-weight:700;display:flex}._step_bgy9j_22 span{background:#f0f0f0;border-radius:999px;justify-content:center;align-items:center;width:24px;height:24px;display:inline-flex}._stepActive_bgy9j_52{color:var(--text);background:#fff9ea;border-color:#c9a95d}._stepActive_bgy9j_52 span{color:#fff;background:#c9a95d}._layout_bgy9j_60{grid-template-columns:minmax(0,1fr) 280px;gap:18px;display:grid}._panel_bgy9j_66,._aside_bgy9j_67,._section_bgy9j_68,._statusCard_bgy9j_69{background:var(--surface);border:1px solid var(--border);border-radius:18px}._panel_bgy9j_66{padding:20px}._aside_bgy9j_67{align-self:start;padding:18px;position:sticky;top:16px}._aside_bgy9j_67 h3{margin-bottom:10px;font-size:16px}._aside_bgy9j_67 li{color:var(--muted);margin-bottom:8px;font-size:13px;line-height:1.5}._form_bgy9j_80,._workspace_bgy9j_81{flex-direction:column;gap:16px;display:flex}._label_bgy9j_82{color:var(--muted);flex-direction:column;gap:7px;font-size:13px;font-weight:700;display:flex}._required_bgy9j_83{color:var(--danger)}._input_bgy9j_85,._textarea_bgy9j_86{border:1px solid var(--border);background:var(--surface);color:var(--text);resize:vertical;border-radius:12px;outline:none;padding:10px 12px;font-family:inherit;font-size:14px}._input_bgy9j_85:focus,._textarea_bgy9j_86:focus{border-color:#c9a95d;box-shadow:0 0 0 3px #c9a95d29}._fileZone_bgy9j_101{border:2px dashed var(--border);text-align:center;color:var(--muted);cursor:pointer;border-radius:16px;padding:22px;font-size:13px;transition:border-color .12s,background .12s}._fileZone_bgy9j_101:hover{color:#7b5e22;background:#fffaf0;border-color:#c9a95d}._statusCard_bgy9j_69{padding:18px}._statusCard_bgy9j_69 h2{margin:10px 0 6px;font-size:20px}._statusCard_bgy9j_69 p{color:var(--muted);line-height:1.6}._badge_bgy9j_118{color:#7b5e22;background:#fff0c2;border-radius:999px;width:fit-content;padding:3px 9px;font-size:12px;font-weight:800;display:inline-flex}._section_bgy9j_68{padding:18px}._section_bgy9j_68 h3{margin-bottom:10px;font-size:16px}._section_bgy9j_68 p{color:var(--muted);line-height:1.65}._metaGrid_bgy9j_133{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:12px 0;display:grid}._metaGrid_bgy9j_133 span{background:var(--bg);color:var(--muted);border-radius:10px;padding:8px 10px;font-size:12px}._list_bgy9j_148{color:var(--muted);padding-left:20px;line-height:1.7}._question_bgy9j_149{border-top:1px solid var(--border);margin-top:14px;padding-top:14px}._question_bgy9j_149 strong{margin-bottom:10px;display:block}._options_bgy9j_151{flex-wrap:wrap;gap:8px;display:flex}._option_bgy9j_151{border:1px solid var(--border);color:var(--muted);cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:8px 10px;font-size:13px;display:inline-flex}._option_bgy9j_151:has(input:checked){color:#7b5e22;background:#fff8e6;border-color:#c9a95d}._prdPreview_bgy9j_167{white-space:pre-wrap;border:1px solid var(--border);background:#fbfaf6;border-radius:14px;max-height:420px;padding:14px;font-size:13px;line-height:1.65;overflow:auto}._prdEditor_bgy9j_179{min-height:420px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}._actions_bgy9j_180{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}._actions_bgy9j_180 button{min-width:132px}._secondaryBtn_bgy9j_183,._reviewBtn_bgy9j_184{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:var(--surface);color:var(--text);padding:9px 14px;font-size:13px;font-weight:700}._reviewBtn_bgy9j_184{color:#fff;background:#2d6a4f;border-color:#2d6a4f}._secondaryBtn_bgy9j_183:hover{background:var(--bg)}._reviewBtn_bgy9j_184:hover{filter:brightness(.96)}._muted_bgy9j_198{color:var(--muted)}._doneBox_bgy9j_199{background:#f2fbf5;border-color:#b7d7c5}._doneBox_bgy9j_199 a{color:#2d6a4f;margin:10px 0;font-weight:800;display:inline-flex}._toast_bgy9j_202{z-index:20;color:#fff;background:#2d6a4f;border-radius:16px;max-width:420px;padding:12px 16px;font-size:14px;font-weight:700;position:fixed;bottom:24px;right:24px;box-shadow:0 12px 40px #00000024}._errorToast_bgy9j_217{background:var(--danger)}@media (width<=860px){._layout_bgy9j_60{grid-template-columns:1fr}._aside_bgy9j_67{position:static}._steps_bgy9j_22{grid-template-columns:1fr 1fr}._metaGrid_bgy9j_133{grid-template-columns:1fr}}@media (width<=560px){._hero_bgy9j_3{padding:20px}._title_bgy9j_19{font-size:24px}._steps_bgy9j_22{grid-template-columns:1fr}._panel_bgy9j_66{padding:14px}._actions_bgy9j_180 button{width:100%}._toast_bgy9j_202{max-width:none;bottom:12px;left:12px;right:12px}}