@charset "UTF-8";
:root{font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;color:#292b31;background:#f6f4ef;--bg:#f6f4ef;--paper:#fff;--rail:#eeeae2;--ink:#292b31;--muted:#74767e;--line:#deddd7;--accent:#8d2948;--tint:#f4e8ed;--peer:#f8f5f2;--match:#edd3dc;--error:#ba3b4d;--error-bg:#fce6e8;--green:#3d7563;--green-bg:#e8f2eb;--shadow:0 16px 65px #292b3120;font-synthesis:none}
:root[data-theme=dark]{color-scheme:dark;--bg:#202127;--paper:#2b2c33;--rail:#25262c;--ink:#e9e6e1;--muted:#aaa7b0;--line:#44434c;--accent:#f0a1b8;--tint:#49303e;--peer:#343039;--match:#634051;--error:#ff9ba6;--error-bg:#56333d;--green:#96cdb5;--green-bg:#30463f}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}button{cursor:pointer;color:inherit;border:1px solid var(--line);border-radius:9px;padding:10px 14px;background:var(--paper);transition:background .12s,border-color .12s,transform .12s}button:hover{border-color:var(--accent);background:var(--tint)}button:active{transform:translateY(1px)}button:disabled{cursor:default;color:var(--muted);opacity:.48;transform:none}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button[hidden],[hidden]{display:none!important}.skip{position:fixed;left:10px;top:-80px;z-index:100;background:var(--paper);color:var(--accent);padding:15px}.skip:focus{top:10px}.shell{display:flex;min-height:100dvh;max-width:1800px;margin:0 auto}.sidebar{width:204px;flex:none;background:var(--rail);padding:34px 24px 24px;display:flex;flex-direction:column;border-right:1px solid var(--line)}.brand{text-decoration:none;color:var(--accent);display:flex;flex-direction:column;align-items:flex-start;gap:6px}.brand strong{font-size:32px;letter-spacing:3px;font-weight:800}.brand span{font-size:10px;font-weight:600;letter-spacing:1px}.tagline{color:var(--muted);font-size:16px;line-height:1.5;margin:30px 0 42px}.sidebar nav{display:grid;gap:8px}.nav{display:flex;align-items:center;gap:11px;width:100%;text-align:left;background:transparent;border:0;padding:12px 10px;white-space:nowrap;font-size:13px}.nav span{font-size:20px;width:18px;text-align:center;font-weight:400;line-height:1}.nav.active{background:var(--paper);color:var(--accent);font-weight:650}.sidebar-bottom{margin-top:auto;padding-top:80px}.sidebar-bottom>p{font-size:12px;color:var(--muted);line-height:1.6;margin:30px 0 20px}.sidebar-bottom>small{font-size:9px;letter-spacing:.8px;color:var(--muted)}main{padding:34px 38px 20px;flex:1;min-width:0;max-width:1360px;margin:auto;width:100%}.page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:700;color:var(--muted);margin:0 0 11px;display:block}.page-header .eyebrow{margin-bottom:7px}h1{font-size:clamp(29px,3vw,39px);line-height:1.16;letter-spacing:-1.4px;font-weight:680;margin:0 0 8px}.subtitle{font-size:13px;color:var(--muted);margin:0;line-height:1.6}.header-actions{display:flex;gap:8px}.quiet{border-color:transparent;background:transparent;font-size:12px;padding:9px}.quiet:hover{background:var(--tint)}.game-layout{display:grid;grid-template-columns:minmax(340px,1fr) 258px;gap:28px;align-items:start}.board-card{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:18px 20px 15px}.board-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px;min-height:30px}.badge{color:var(--accent);background:var(--tint);font-size:10px;font-weight:700;letter-spacing:1.1px;padding:8px 11px;border-radius:5px;line-height:1.25;max-width:70%}.clock{display:flex;align-items:center;gap:10px;font-variant-numeric:tabular-nums;font-size:17px}.icon-button{border:0;background:transparent;padding:5px;width:30px;height:30px;color:var(--muted)}.board-wrap{max-width:640px;margin:auto;position:relative;aspect-ratio:1}.board{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));grid-template-rows:repeat(9,minmax(0,1fr));border:2px solid #83838b;aspect-ratio:1;touch-action:manipulation}.cell{border-radius:0;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:0;min-width:0;min-height:0;position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:clamp(22px,2.65vw,38px);font-weight:400;line-height:1;color:var(--accent);background:var(--paper);-webkit-tap-highlight-color:transparent;transition:background .1s;user-select:none}.cell:hover{background:var(--peer)}.cell:active{transform:none}.cell[data-col="2"],.cell[data-col="5"]{border-right:2px solid #83838b}.cell[data-row="2"],.cell[data-row="5"]{border-bottom:2px solid #83838b}.cell[data-col="8"]{border-right:0}.cell[data-row="8"]{border-bottom:0}.cell.given{color:var(--ink);font-weight:600}.cell.peer{background:var(--peer)}.cell.match{background:var(--match)}.cell.selected{background:var(--tint);box-shadow:inset 0 0 0 2.5px var(--accent);z-index:1}.cell.wrong{background:var(--error-bg);color:var(--error)}.cell.hinted{background:var(--green-bg)}.cell:focus-visible{outline:none;box-shadow:inset 0 0 0 3px var(--accent);z-index:2}.pencil-notes{width:100%;height:100%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);padding:3px;color:var(--muted);font-size:clamp(8px,1vw,14px);line-height:1}.pencil-notes span{display:flex;align-items:center;justify-content:center}.board-footer{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px;margin-top:15px;min-height:16px;line-height:1.5}.board-tools{display:flex;gap:8px;margin-top:10px;align-items:center}.restart{margin-left:auto}.keyboard-help{font-size:10px;text-align:center;color:var(--muted);line-height:1.8;margin:9px 0}.keyboard-help span{padding:0 7px}.controls{display:flex;flex-direction:column;gap:22px;padding-top:2px;min-height:100%}.new-game select{width:100%;font-size:15px;color:var(--ink);padding:12px 14px;border:1px solid var(--line);background:var(--paper);border-radius:9px}.difficulty-description{font-size:12px;line-height:1.5;color:var(--muted);min-height:36px;margin:12px 0}.primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:550;padding:13px 17px}.primary:hover{background:#a2395a;color:#fff;border-color:#a2395a}:root[data-theme=dark] .primary{color:#202127}:root[data-theme=dark] .primary:hover{background:#d486a0;border-color:#d486a0}.new-game .primary{width:100%}.number-pad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.number-button{padding:6px 0 5px;min-height:61px;color:var(--accent);font-size:27px;line-height:1.25}.number-button small{display:block;font-size:9px;margin-top:2px;color:var(--muted)}.edit-tools{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:10px}.edit-tools button{padding:10px 7px;font-size:12px}.edit-tools button[aria-pressed=true]{background:var(--tint);color:var(--accent);border-color:var(--accent)}.fill-notes{width:100%;margin-top:5px}.hint-button{width:100%;padding:13px;background:var(--green-bg);border-color:var(--green-bg);color:var(--green);font-size:13px}.hint-button:hover{background:var(--green-bg);border-color:var(--green)}#hint-text{font-size:12px;line-height:1.65;color:var(--muted);margin:13px 0 0;white-space:pre-line}.hint-apply{font-size:12px;width:100%;background:transparent;border-color:var(--green);color:var(--green);margin-top:12px}.progress-section{margin-top:auto;padding-top:4px}.progress-section progress{display:block;width:100%;height:5px;border:0;border-radius:5px;overflow:hidden;appearance:none;background:var(--line);accent-color:var(--accent)}progress::-webkit-progress-bar{background:var(--line);border-radius:5px}progress::-webkit-progress-value{background:var(--accent);border-radius:5px}progress::-moz-progress-bar{background:var(--accent)}#progress-label{font-size:12px;color:var(--muted);margin:10px 0 0}.status-footer{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);line-height:1.6;margin-top:18px}.status-footer p{margin:0}.status-footer>span{white-space:nowrap;font-size:10px}.pause-overlay{position:absolute;inset:0;border:0;border-radius:0;background:var(--peer);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;color:var(--accent);padding:15px;z-index:3}.pause-overlay strong{font-size:clamp(20px,2.5vw,30px);font-weight:600}.pause-overlay span{font-size:13px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:18px;padding:34px;max-width:min(560px,calc(100% - 28px));max-height:calc(100dvh - 40px);background:var(--paper);color:var(--ink);box-shadow:var(--shadow);overflow:auto}dialog::backdrop{background:#16151c80;backdrop-filter:blur(3px)}dialog h2{font-size:29px;font-weight:650;line-height:1.2;letter-spacing:-.7px;margin:8px 22px 22px 0}dialog h3{font-size:15px;margin:22px 0 6px}dialog p,.dialog-copy{font-size:14px;line-height:1.7}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px;flex-wrap:wrap}.close{position:absolute;right:16px;top:14px;border:0;background:transparent;color:var(--muted);font-size:25px;line-height:1;padding:5px 9px}.muted{color:var(--muted);font-size:12px!important}.setting{display:flex;gap:12px;align-items:center;padding:13px 0;font-size:14px;line-height:1.5}.setting input{width:19px;height:19px;accent-color:var(--accent);flex:none}.wide-dialog{width:780px;max-width:calc(100% - 28px)}.stats-summary{display:flex;gap:12px}.stat{border:1px solid var(--line);border-radius:10px;padding:18px;flex:1}.stat strong{font-size:34px;color:var(--accent);display:block}.stat span{font-size:12px;color:var(--muted)}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px;margin:20px 0}th,td{text-align:left;padding:13px 12px;white-space:nowrap;border-bottom:1px solid var(--line)}th{font-size:11px;color:var(--muted);background:var(--peer);font-weight:600}textarea{display:block;width:100%;margin:18px 0 0;padding:15px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:9px;font:19px/1.6 ui-monospace,Consolas,monospace;letter-spacing:5px;resize:vertical}.win-symbol{color:var(--accent);font-size:70px;text-align:center}.win-details{color:var(--accent);background:var(--tint);border-radius:9px;padding:16px;font-variant-numeric:tabular-nums}#print-sheet{display:none}noscript{position:fixed;inset:20px;z-index:100;background:var(--paper);padding:40px;border:2px solid var(--accent)}
@media(min-width:1500px){main{padding:45px 55px}.game-layout{gap:40px;grid-template-columns:minmax(340px,1fr) 280px}.board-wrap{max-width:650px}}
@media(max-width:1120px){.sidebar{width:174px;padding:30px 16px}.brand strong{font-size:28px}main{padding:26px 24px 16px}.game-layout{gap:20px;grid-template-columns:minmax(300px,1fr) 226px}.board-card{padding:16px 14px 12px}.controls{gap:17px}.cell{font-size:clamp(22px,3vw,32px)}}
@media(max-width:900px){.sidebar{width:152px;padding:26px 12px}.nav{font-size:12px;gap:8px;padding:12px 7px}.tagline{font-size:14px}.game-layout{grid-template-columns:minmax(260px,1fr) 202px;gap:17px}main{padding:24px 18px 16px}.board-card{padding:13px 10px 11px}.board-footer{font-size:10px;flex-wrap:wrap}.header-actions span{display:none}.header-actions button{font-size:19px}.controls{gap:15px}.number-button{min-height:54px;font-size:25px}.difficulty-description{margin:10px 0;font-size:11px}h1{font-size:32px}.subtitle{font-size:12px}.eyebrow{font-size:9px;letter-spacing:1.3px}}
@media(max-width:720px){.shell{display:block}.sidebar{width:100%;padding:18px 18px 11px;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}.brand{gap:1px}.brand strong{font-size:25px;line-height:1.1}.brand span{font-size:8px;letter-spacing:.5px}.tagline{display:none}.sidebar nav{display:flex;grid-column:1/-1;grid-row:2;justify-content:space-between;gap:3px}.nav{width:auto;padding:9px 8px;font-size:11px;gap:6px;justify-content:center}.nav span{font-size:18px;width:15px}.sidebar-bottom{padding:0;margin:0;grid-column:2;grid-row:1}.sidebar-bottom>p,.sidebar-bottom>small{display:none}.sidebar-bottom .nav{font-size:0;padding:8px}.sidebar-bottom .nav span{font-size:22px;width:22px}main{padding:22px 16px 16px}.page-header{margin-bottom:18px;gap:8px}h1{font-size:31px}.subtitle{font-size:11px;max-width:245px}.page-header .eyebrow{font-size:8px}.game-layout{display:flex;flex-direction:column;gap:20px}.game-area{width:100%;max-width:580px;margin:auto}.board-card{padding:14px 12px 12px;border-radius:12px}.board-header{margin-bottom:12px}.board-wrap{max-width:550px}.cell{font-size:clamp(22px,5.5vw,35px)}.pencil-notes{font-size:clamp(8px,2vw,12px);padding:2px}.board-footer{font-size:10px}.board-tools{gap:3px}.board-tools .quiet{font-size:11px;padding:9px 6px}.keyboard-help{display:none}.controls{display:grid;grid-template-columns:1fr 1fr;gap:20px;width:100%;max-width:580px;margin:auto}.input-panel{grid-column:1/-1;grid-row:1}.number-pad{grid-template-columns:repeat(9,minmax(0,1fr));gap:4px}.number-button{font-size:24px;min-height:57px;padding:6px 0}.number-button small{font-size:9px;margin-top:3px}.edit-tools{margin-top:10px;display:inline-grid;width:62%;gap:7px}.fill-notes{width:37%;font-size:10px;float:right;margin-top:10px;padding:11px 3px}.new-game{grid-row:3;grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;align-items:center}.new-game .eyebrow{grid-column:1/-1;margin:0}.new-game select{padding:11px;font-size:14px}.difficulty-description{grid-column:1/-1;grid-row:3;margin:0;min-height:0}.new-game .primary{padding:12px 5px;font-size:13px}.hint-panel{grid-column:1/-1;grid-row:2}#hint-text{font-size:12px;margin-top:10px}.progress-section{grid-column:1/-1;grid-row:4;padding:0}.status-footer{margin-top:22px;font-size:10px}.status-footer #connection{font-size:9px}.badge{font-size:9px;letter-spacing:.6px}.clock{font-size:16px}dialog{padding:27px 22px}dialog h2{font-size:27px}.stats-summary{gap:8px}.stat{padding:13px}.stat strong{font-size:28px}.stat span{font-size:11px}.pause-overlay strong{font-size:24px}.pause-overlay span{font-size:12px}}
@media(max-width:380px){.sidebar{padding:15px 12px 9px}.nav{font-size:10px;gap:4px;padding:8px 5px}main{padding:18px 10px}.board-card{padding:11px 8px}.number-button{font-size:21px}.number-button small{font-size:8px}.header-actions{gap:0}.header-actions button{padding:7px}h1{font-size:28px}.board-footer{font-size:9px}.status-footer{display:block}#connection{display:block;margin-top:5px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{@page{size:A4 portrait;margin:18mm}body{background:#fff;color:#222}.shell,dialog,noscript{display:none!important}#print-sheet{display:block;font-family:"Segoe UI",Arial,sans-serif}#print-sheet h1{font-size:24pt;letter-spacing:2px;color:#8d2948;margin:0 0 8mm}#print-sheet p{font-size:11pt;color:#555;line-height:1.6}.print-grid{width:172mm;height:172mm;display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);border:2px solid #333;margin:10mm 0}.print-cell{display:flex;align-items:center;justify-content:center;border-right:.5px solid #bbb;border-bottom:.5px solid #bbb;font-size:23pt}.print-cell:nth-child(3n){border-right:2px solid #333}.print-cell:nth-child(9n){border-right:0}.print-cell:nth-child(n+19):nth-child(-n+27),.print-cell:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid #333}.print-cell:nth-child(n+73){border-bottom:0}}

.board-row{display:contents}
.input-panel{margin-top:12px}
.number-pad{grid-template-columns:repeat(9,minmax(0,1fr));gap:6px}
.number-button{min-height:59px;padding:6px 0;font-size:28px;touch-action:manipulation}
.edit-tools{grid-template-columns:1fr 1fr;display:grid;width:100%;gap:10px;margin-top:9px}
.edit-tools button{min-height:43px;font-size:14px;padding:10px}
#notes{color:var(--accent);border-color:var(--accent);background:var(--tint);font-weight:600}
#notes[aria-pressed=true]{background:var(--accent);color:var(--paper)}
.fill-notes{float:none;width:100%;margin-top:3px}
.controls{min-height:0}
.mobile-hint{display:none}
@media(max-width:720px){
  .sidebar{padding:13px 16px 9px;gap:9px}
  .brand{flex-direction:row;align-items:baseline;gap:10px}
  .brand strong{font-size:24px}
  .brand span{font-size:9px}
  .sidebar nav .nav{padding:8px 6px}
  .sidebar nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px}
  .sidebar nav .nav{white-space:normal;font-size:10px;line-height:1.25;min-width:0;padding:8px 3px;gap:4px}
  .page-header{margin-bottom:14px}
  .page-header .eyebrow,.subtitle{display:none}
  h1{font-size:27px;margin:0;letter-spacing:-.7px}
  .header-actions button{font-size:18px;padding:5px 8px}
  main{padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}
  .page-header,.status-footer{padding-left:12px;padding-right:12px}
  .game-area{width:100%;max-width:none}
  .board-wrap{width:100%;max-width:none;min-width:0}
  .cell{font-size:clamp(21px,5.4vw,32px)}
  .board-card{padding:11px 0 10px;border-left:0;border-right:0;border-radius:0}
  .board-header{margin-bottom:9px;min-height:27px;padding-left:10px;padding-right:10px}
  .badge{padding:7px 9px}
  .board-footer{margin-top:10px;padding-left:10px;padding-right:10px}
  .input-panel{position:static;margin-top:10px;padding:0 4px;background:transparent;border:0;box-shadow:none;width:100%;max-width:none}
  .number-pad{gap:4px;margin:0}
  .number-button{min-height:54px;font-size:25px;border-radius:7px}
  .number-button small{font-size:8px;line-height:1;margin-top:2px}
  .edit-tools{margin-top:8px;display:grid;width:100%;gap:8px}
  .edit-tools button{min-height:44px;padding:10px;font-size:14px}
  .fill-notes{float:none;width:100%;font-size:11px;margin-top:2px;min-height:31px;padding:7px 3px}
  .board-tools{gap:2px;justify-content:space-between;margin-top:0;padding-left:4px;padding-right:4px}
  .board-tools .quiet{font-size:11px;padding:8px 5px;min-height:35px}
  .mobile-hint{display:block}
  .restart{margin-left:0}
  .controls{gap:16px;padding-left:12px;padding-right:12px}
  .new-game{grid-row:auto}
  .hint-panel{grid-row:auto;grid-column:1/-1}
  .hint-panel>.hint-button{display:none}
  #hint-text{margin:0;font-size:11px;line-height:1.55}
  .progress-section{grid-row:auto}
  .progress-section .eyebrow{margin-bottom:7px}
  .status-footer{margin-top:15px}
  dialog{z-index:50}
}
@media(max-width:720px) and (max-height:700px){
  .sidebar nav{display:none}
  .sidebar{padding:11px 15px}
  main{padding-top:15px}
}
@media(max-width:720px) and (orientation:landscape){
  .sidebar nav{display:none}
  .sidebar{padding:8px 15px}
  main{padding-top:12px}
}
@media(max-width:380px) and (max-height:700px){
  .page-header{display:none}
  main{padding-top:0}
  .board-card{border-top:0;padding-top:6px}
  .board-header{margin-bottom:6px}
  .board-footer{margin-top:6px;font-size:9px}
  .input-panel{margin-top:6px}
}