:root{--bg:#1b1f3a;--panel:#232846;--panel2:#2b3156;--empty-b:#3a4066;--key:#4a5070;--text:#ffffff;--muted:#9aa0bf;--green:#2fbf55;--yellow:#e6b800;--gray:#7d7f8a;--red:#d6343c;--btn:#33c75a;--blue:#4f7cff;color-scheme:dark;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}*,*:before,*:after{box-sizing:inherit}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Rubik,Segoe UI,Roboto,Arial,sans-serif;display:flex;flex-direction:column;align-items:center;-webkit-tap-highlight-color:transparent;overflow:hidden}button{font-family:inherit}button:focus-visible,input:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}.app{width:100%;max-width:560px;flex:1;display:flex;flex-direction:column;min-height:0}.screen{flex:1;display:none;flex-direction:column;min-height:0}.screen.on{display:flex}.scroll{overflow-y:auto;padding:4px 14px 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4px;line-height:14px}.infoline{text-align:center;color:var(--muted);font-size:12px;min-height:16px}main{flex:1;display:flex;align-items:center;justify-content:center;min-height:0;padding:6px}#board,.row{display:grid;gap:5px}.tile{width:var(--ts);height:var(--ts);display:flex;align-items:center;justify-content:center;border-radius:6px;background:var(--panel);border:1.5px solid var(--empty-b);font-weight:700;font-size:calc(var(--ts)*.5);color:var(--text)}.tile.filled{border-color:var(--muted);animation:pop .1s}.tile.h{border:2px solid var(--green);color:var(--green);background:#2fbf551f}.tile.g{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 0 14px #2fbf5573}.tile.y{background:var(--yellow);border-color:var(--yellow);color:#fff}.tile.x{background:var(--gray);border-color:var(--gray);color:#fff}.tile.flip{animation:flip .45s ease both}.row.shake{animation:shake .4s}@keyframes pop{50%{transform:scale(1.08)}}@keyframes flip{50%{transform:rotateX(90deg)}}@keyframes 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4px}.krow{display:flex;justify-content:center;gap:5px;margin-bottom:6px}.key{flex:1;max-width:52px;height:50px;border:0;border-radius:6px;background:var(--key);color:var(--text);font-weight:500;font-size:19px;cursor:pointer;padding:0}.key.wide{max-width:80px;flex:1.5}.key.g{background:var(--green)}.key.y{background:var(--yellow)}.key.r{background:var(--red)}#send{display:block;width:calc(100% - 12px);height:46px;margin:0 auto 8px;border:0;border-radius:12px;background:var(--btn);color:#fff;font-weight:700;font-size:19px;cursor:pointer}nav{display:flex;width:100%;max-width:560px;border-top:1.5px solid var(--empty-b);background:var(--bg)}nav button{flex:1;background:none;border:0;color:var(--muted);padding:6px 0 7px;font-size:11px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px;position:relative}nav button i{font-style:normal;font-size:19px;line-height:1.1}nav button.on{color:var(--text);font-weight:700}nav .dot{position:absolute;top:4px;left:calc(50% + 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p{color:var(--muted);line-height:1.5}.pbtn{height:44px;border:0;border-radius:10px;background:var(--btn);color:#fff;font-weight:700;font-size:16px;cursor:pointer;padding:0 18px}.pbtn.sec{background:var(--key);color:var(--text)}.pbtn.sm{height:32px;font-size:13px;padding:0 12px;border-radius:8px}.pbtn.red{background:var(--red)}.field{width:100%;height:44px;border-radius:10px;border:1.5px solid var(--empty-b);background:var(--panel);color:var(--text);padding:0 12px;font-size:16px;font-family:inherit}.searchrow{display:flex;gap:8px}.flist{list-style:none;margin:0;padding:0}.flist li{display:flex;align-items:center;gap:10px;padding:10px 4px;border-bottom:1px solid var(--empty-b)}.flist .nm{flex:1;min-width:0}.flist .nm div{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.flist .nm small{color:var(--muted);font-size:12px}.online{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block;margin-left:4px}.chathead{display:flex;align-items:center;gap:10px;padding:8px 10px;border-bottom:1.5px solid var(--empty-b)}.chathead b{flex:1}.msgs{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:6px}.msg{max-width:78%;padding:8px 12px;border-radius:14px;line-height:1.35;font-size:15px;white-space:pre-wrap;word-wrap:break-word}.msg.in{background:var(--panel2);align-self:flex-start;border-bottom-left-radius:4px}.msg.out{background:var(--blue);align-self:flex-end;border-bottom-right-radius:4px}.msg time{display:block;font-size:10px;opacity:.6;margin-top:2px;text-align:right}.composer{display:flex;gap:8px;padding:8px 10px;border-top:1.5px solid var(--empty-b)}.composer .field{height:42px}.quick{display:flex;gap:6px;padding:6px 10px 0;overflow-x:auto}.typing{color:var(--muted);font-size:13px;padding:0 14px 6px;min-height:18px}.prof{display:flex;align-items:center;gap:14px}.prof h2{margin:0}.xpbar{height:10px;background:var(--panel2);border-radius:6px;overflow:hidden;margin:8px 0 4px}.xpbar div{height:100%;background:linear-gradient(90deg,var(--green),var(--yellow))}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:7px 4px;text-align:center;border-bottom:1px solid var(--empty-b)}th{color:var(--muted);font-weight:500;font-size:12px}.badges{display:flex;gap:8px;flex-wrap:wrap}.badge{background:var(--panel2);border-radius:10px;padding:6px 10px;font-size:13px}.badge.dim{opacity:.4}.weeks{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}.wk{background:var(--panel);border:1.5px solid var(--empty-b);border-radius:12px;padding:10px 12px}.wk.cur{border-color:var(--green);box-shadow:0 0 0 1px var(--green)}.wk.fut{opacity:.45}.wk .wh{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}.wk .wh b{font-size:15px}.wk .wh small{color:var(--muted);font-size:12px}.wk .live{color:var(--green);font-size:11px;font-weight:700;margin-left:6px}.wk ol{list-style:none;margin:0;padding:0}.wk li{display:flex;align-items:center;gap:8px;padding:3px 0;font-size:14px}.wk li .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wk li.me .nm{color:var(--green);font-weight:700}.wk .mine{border-top:1px dashed var(--empty-b);margin-top:5px;padding-top:5px;font-size:12.5px;color:var(--muted)}.wk .empty{color:var(--muted);font-size:13px;padding:6px 0}.hist{list-style:none;margin:0;padding:0}.hist .day{color:var(--muted);font-size:12px;font-weight:700;padding:12px 2px 4px}.hist .it{display:flex;align-items:center;gap:10px;padding:9px 10px;background:var(--panel);border:1.5px solid var(--empty-b);border-radius:10px;margin-bottom:6px}.hist .ic{font-size:18px;width:24px;text-align:center;flex-shrink:0}.hist .tx{flex:1;min-width:0}.hist .tx div{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hist .tx small{color:var(--muted);font-size:12px}.hist .pt{font-weight:700;white-space:nowrap}.hist .pt.plus{color:var(--green)}.hist .wd{letter-spacing:1.5px;font-weight:700}#toast{position:fixed;top:calc(env(safe-area-inset-top,0px) + 80px);left:50%;transform:translate(-50%);background:var(--text);color:var(--bg);padding:10px 16px;border-radius:8px;font-weight:700;opacity:0;transition:opacity .2s;pointer-events:none;z-index:50;max-width:90%;text-align:center}#toast.on{opacity:1}#modal{position:fixed;inset:0;background:#0000008c;display:none;align-items:center;justify-content:center;z-index:30;padding:20px}#modal.on{display:flex}.card{background:var(--panel);border:1.5px solid var(--empty-b);border-radius:16px;padding:22px;width:100%;max-width:380px;text-align:center;max-height:90vh;overflow-y:auto}.card h2{margin:0 0 6px;font-size:24px}.card .ans{font-size:30px;font-weight:800;letter-spacing:3px;margin:10px 0}.card p{color:var(--muted);margin:6px 0;line-height:1.45}.card .pbtn{width:100%;margin-top:10px}.stats{display:flex;justify-content:space-around;margin:12px 0}.stats b{display:block;font-size:22px}.stats span{font-size:12px;color:var(--muted)}.breakdown{text-align:left;background:var(--bg);border-radius:10px;padding:10px 12px;margin:10px 0;font-size:14px}.breakdown div{display:flex;justify-content:space-between;padding:3px 0;color:var(--muted)}.breakdown div b{color:var(--text)}.breakdown .tot{border-top:1px solid var(--empty-b);margin-top:4px;padding-top:7px;color:var(--text);font-weight:700;font-size:16px}.formula{text-align:left;font-size:14px;line-height:1.5}.formula code{background:var(--bg);border-radius:6px;padding:2px 6px;font-size:13px}#auth{position:fixed;inset:0;background:var(--bg);z-index:40;display:none;align-items:center;justify-content:center;padding:24px;overflow-y:auto}#auth.on{display:flex}.authbox{width:100%;max-width:360px}.logo{display:flex;gap:4px;justify-content:center;margin-bottom:8px}.logo span{width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px}.authbox .sub{text-align:center;color:var(--muted);margin:6px 0 22px}.authbox .seg{margin-bottom:14px}.authbox .seg button{flex:1;height:36px;font-size:14px}.authbox label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}.authbox .pbtn{width:100%;margin-top:18px}.err{color:#ff7a80;font-size:13px;min-height:18px;margin-top:8px}.guest{display:block;margin:18px auto 0;background:none;border:0;color:var(--text);font-size:15px;cursor:pointer;text-decoration:underline}.proto{text-align:center;font-size:11.5px;color:var(--muted);margin-top:22px;line-height:1.4}