@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--bg:#f6f5f0;--ink:#263b36;--muted:#79827b;--green:#355e4c;--line:#e3e5dc;--accent:#eaf0df}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'DM Sans',sans-serif}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:0;border-radius:8px;padding:12px 16px;font-weight:600;color:var(--ink);transition:background .15s,transform .15s}button:hover{filter:brightness(.96)}button:active{transform:translateY(1px)}button:focus-visible,a:focus-visible{outline:3px solid #8baf81;outline-offset:3px}button:disabled{opacity:.45;cursor:default}header{height:90px;border-bottom:1px solid var(--line);max-width:1260px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 44px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:Manrope,sans-serif;font-size:25px;font-weight:800;letter-spacing:-1px}.logo{font-size:35px;line-height:1;color:var(--green)}.brand-sub{font:400 16px 'DM Sans',sans-serif;letter-spacing:0;color:#899087;margin-left:6px}.local{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}.local i{width:6px;height:6px;background:#779365;border-radius:50%}main{max-width:1100px;margin:auto;padding:45px 32px 20px}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:#859077;margin:0 0 14px}h1{font:500 40px/1.2 Manrope,sans-serif;letter-spacing:-1.6px;margin:0 0 12px}.intro p:not(.eyebrow){color:var(--muted);margin:0;font-size:14px}.quiet{border:1px solid #d8ddd0;background:transparent;font-size:12px}.quiet span{margin-left:20px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:42px;align-items:start}.board-panel{min-width:0}.board-top{display:flex;justify-content:space-between;align-items:center;margin:0 0 16px;font-size:12px;color:var(--muted)}#board-state{background:#eceee5;border-radius:20px;padding:5px 12px;font-size:11px;color:#687461}.board{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));grid-template-rows:repeat(9,minmax(0,1fr));aspect-ratio:1;border:2px solid #3f5148;background:#fffefa;box-shadow:0 9px 24px #2d433308}.cell{padding:0;border-radius:0;background:#fffefa;border-right:1px solid #dcded3;border-bottom:1px solid #dcded3;position:relative;font-family:'DM Sans',sans-serif;min-width:0;min-height:0;overflow:hidden;font-size:clamp(19px,2.5vw,30px);font-weight:500;display:flex;align-items:center;justify-content:center}.cell:nth-child(3n){border-right:2px solid #526355}.cell:nth-child(9n){border-right:0}.cell:nth-child(n+19):nth-child(-n+27),.cell:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid #526355}.cell:nth-child(n+73){border-bottom:0}.cell.peer{background:#f2f4ec}.cell.same{background:#e4ecdb}.cell.selected{background:#e4eddb;box-shadow:inset 0 0 0 2px #355e4c;z-index:1}.cell.conflict{color:#b54d45;background:#fff0e9}.cell.selected.conflict{box-shadow:inset 0 0 0 2px #355e4c}.notes{display:grid;grid-template-columns:repeat(3,1fr);width:86%;height:86%;align-items:center;font-size:clamp(8px,1vw,12px);line-height:1;color:#748369;font-weight:400}.notes span{display:flex;justify-content:center;align-items:center;height:100%}.board-bottom{display:flex;align-items:center;gap:20px;color:#8a9185;font-size:11px;margin-top:16px}.board-bottom>span{display:flex;align-items:center;gap:6px}.dot{height:7px;width:7px;border-radius:2px;display:inline-block}.blue{background:#355e4c}.red{background:#d59884}.text-button{padding:6px 0;background:transparent;font-size:12px;font-weight:500;color:#78816f}.board-bottom button{margin-left:auto}#status{font-size:12px;color:#78816f;margin:20px 0;min-height:32px;line-height:1.6}.card{border:1px solid var(--line);background:#fcfcf7;padding:23px;border-radius:12px;margin-bottom:16px}h2{font:600 19px/1.4 Manrope,sans-serif;letter-spacing:-.5px;margin:0 0 21px}.controls h2{font-size:19px;max-width:230px}.segmented{display:flex;background:#edeee6;border-radius:8px;padding:4px;gap:3px}.segmented button{flex:1;padding:10px 4px;font-size:12px;background:transparent;color:#858c7e}.segmented .active{background:#fffefa;color:var(--green);box-shadow:0 1px 4px #21322515}.help{font-size:11px;line-height:1.65;color:#8c9385;margin:13px 0 17px}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:15px 0 9px}.keypad button{background:#f0f2e9;font-size:21px;font-weight:500;border:1px solid #e7eade;padding:10px}.wide{width:100%;font-size:12px}.secondary{background:transparent;border:1px solid #dfe3d5}.primary{background:var(--green);color:#fff}.divider{height:1px;background:var(--line);margin:22px 0}.controls .help:last-child{margin-bottom:0}.card-heading{display:flex;gap:13px;align-items:center;margin-bottom:18px}.card-heading h2{font-size:15px;margin:0 0 4px}.card-heading p{font-size:11px;color:var(--muted);margin:0}.import-icon{font-size:26px;color:#7a8c69}.import-actions{display:flex;gap:8px}.import-actions button{flex:1;font-size:12px;padding:10px}.import-card>.text-button{display:block;margin:14px auto 0;font-size:11px}.reset{display:block;margin:auto;color:#94998e}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;margin-top:35px;padding-top:22px;color:#969b8f;font-size:10px;gap:20px}dialog{border:1px solid var(--line);border-radius:16px;background:#fcfcf7;padding:30px;max-width:580px;width:calc(100% - 28px);color:var(--ink);max-height:92vh;overflow:auto}dialog::backdrop{background:#23382c70;backdrop-filter:blur(3px)}dialog p{line-height:1.65;color:var(--muted);font-size:13px}dialog h2{margin-bottom:12px}.close{float:right;padding:0 5px;background:none;font-size:26px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}textarea{width:100%;font:18px/1.6 monospace;resize:vertical;border:1px solid #d6ddcc;border-radius:8px;padding:14px;background:#fffefa;color:var(--ink)}.error{color:#b54d45}#image-preview{display:block;width:100%;max-height:340px;object-fit:contain;background:#ebece4}.sliders{display:grid;gap:12px;margin:18px 0}.sliders label{display:flex;justify-content:space-between;gap:16px;font-size:12px;align-items:center}.sliders input{width:75%;accent-color:var(--green)}#review-grid{display:grid;grid-template-columns:repeat(9,1fr);border:2px solid var(--ink)}#review-grid input{width:100%;min-width:0;text-align:center;border:1px solid #d6ddcc;font-size:20px;aspect-ratio:1;background:#fffefa;border-radius:0}#review-grid input:nth-child(3n){border-right:2px solid var(--ink)}#review-grid input:nth-child(n+19):nth-child(-n+27),#review-grid input:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid var(--ink)}[hidden]{display:none!important}@media(min-width:1200px){main{padding-top:48px}.workspace{grid-template-columns:560px 316px;gap:65px}}@media(max-width:800px){header{padding:0 24px;height:74px}main{padding:30px 24px}.workspace{grid-template-columns:minmax(0,1fr) 265px;gap:24px}.card{padding:18px}h1{font-size:32px}.intro{align-items:flex-start;gap:20px}.cell{font-size:25px}.notes{font-size:10px}}@media(max-width:640px){header{padding:0 18px}.brand-sub{font-size:13px}.local{font-size:0}.intro{display:block}.intro .quiet{margin-top:20px}main{padding:28px 18px}.workspace{display:block}.board-panel{max-width:520px;margin:auto}aside{margin-top:14px}.controls h2{max-width:none}.keypad{grid-template-columns:repeat(9,1fr);gap:4px}.keypad button{padding:10px 0;font-size:20px}.notes{font-size:clamp(9px,2.6vw,14px)}.cell{font-size:clamp(22px,6vw,32px)}footer{display:block;line-height:2}footer span{display:block}.help{font-size:12px}}

.undo-button{margin-bottom:22px;background:#e4eddb;border-color:#aebf9e;font-size:13px;padding:14px}.undo-button:disabled{opacity:.65}.clear-notes{margin-top:9px}.restart-button{margin-bottom:12px;background:#fcfcf7}

.camera-button{margin-top:10px;background:#eaf0df}.camera-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.camera-actions button{flex:1;min-width:160px;min-height:46px}#camera-preview{display:block;width:100%;max-height:48vh;object-fit:contain;background:#17271f;border-radius:8px}#camera-status{min-height:24px}@media(max-width:640px){dialog{padding:22px}.sliders input{min-height:32px}.sliders{gap:6px}.import-actions button,.camera-button{min-height:44px}}

#mobile-entry-slot:empty{display:none}
@media(max-width:640px){
 header{height:46px;padding:0 14px}.brand{font-size:21px}.logo{font-size:27px}
 main{padding:10px 12px 20px}.intro{display:flex;align-items:center;gap:8px;margin-bottom:10px}
 .intro .eyebrow,.intro p:not(.eyebrow){display:none}h1{font-size:22px;letter-spacing:-.7px;margin:0}
 .intro .quiet{margin:0;padding:8px;font-size:10px;white-space:nowrap}.quiet span{margin-left:4px}
 .board-panel{width:100%;max-width:min(100%,calc(100svh - 245px))}
 .board-top{margin-bottom:7px;font-size:10px}#board-state{padding:3px 8px;font-size:10px}
 #entry-controls{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:8px}
 #entry-controls .segmented{grid-column:1/-1;padding:3px}
 #entry-controls .segmented button{padding:8px 4px;font-size:12px;min-height:34px}
 #mode-help{display:none}
 #entry-controls .keypad{grid-column:1/-1;margin:0;gap:3px}
 #entry-controls .keypad button{padding:8px 0;min-height:42px;font-size:20px;touch-action:manipulation}
 #entry-controls #erase,#entry-controls #undo{margin:0;min-height:36px;padding:7px 3px;font-size:10px}
 #entry-controls #undo{grid-column:1;grid-row:3}#entry-controls #erase{grid-column:2;grid-row:3}
 .board-bottom{display:none}#status{margin:7px 0 0;min-height:0;font-size:10px;line-height:1.4}
 .cell{font-size:clamp(18px,5.8vw,30px)}.notes{font-size:clamp(8px,2.6vw,12px)}
 aside{margin-top:18px}.controls .eyebrow,.controls h2{display:none}
 .controls .divider{display:none}.controls{padding:12px}.clear-notes{margin:0 0 8px}
 .controls .help:last-child{font-size:11px}footer{margin-top:20px}
}
@media(max-width:640px) and (max-height:560px) and (orientation:landscape){
 .workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,1fr);gap:16px;align-items:start}
 .board-panel{max-width:calc(100svh - 110px);display:flex;flex-direction:column;position:relative;margin-left:0}
 #mobile-entry-slot{position:absolute;left:calc(100% + 16px);top:0;width:220px}
 aside{grid-column:1/-1;margin-top:0}.intro{margin-bottom:6px}#status{max-width:100%}
}

.hint-card h2{font-size:17px}.hint-card .help{margin-bottom:0}
#hint-name{font-weight:700;line-height:1.5;margin:16px 0 10px}
#hint-explanation{font-size:13px;line-height:1.7;margin:12px 0}
.cell.hint-source{background:#e0efff;box-shadow:inset 0 0 0 2px #3478bd}
.cell.hint-target{box-shadow:inset 0 0 0 3px #c28a2f;background:#fff3d9}
.cell.hint-source.selected{box-shadow:inset 0 0 0 3px #355e4c}
.cell.hint-target.selected{outline:2px solid #355e4c;outline-offset:-6px}
.cell:focus-visible{outline:2px solid #355e4c;outline-offset:-4px}
@media(max-width:640px){.hint-card{padding:15px}.hint-card h2{font-size:16px;margin-bottom:12px}}

#app-version{font-size:10px;color:#7b8375;white-space:nowrap;letter-spacing:.2px}@media(max-width:640px){#app-version{margin-top:4px}}

#hint-guide{margin:12px 0;border:1px solid var(--line);border-radius:8px;background:#f5f7ee}#hint-guide summary{cursor:pointer;padding:12px;font-size:12px;font-weight:600;min-height:42px}#hint-guide summary:focus-visible{outline:2px solid #355e4c;outline-offset:2px}#hint-guide-text{font-size:13px;line-height:1.7;margin:0;padding:0 12px 14px}

#desktop-undo-slot{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:22px}#desktop-undo-slot .undo-button{margin:0}#desktop-undo-slot button{font-size:11px;padding:10px 5px}.redo-button{background:#e4eddb;border-color:#aebf9e}.redo-button:disabled{opacity:.65}@media(max-width:640px){#desktop-undo-slot{display:none}#entry-controls{grid-template-columns:repeat(3,1fr)}#entry-controls #undo{grid-column:1;grid-row:3}#entry-controls #redo{grid-column:2;grid-row:3;margin:0;padding:7px 3px;font-size:10px;min-height:36px}#entry-controls #erase{grid-column:3;grid-row:3}}

.fill-singles{margin-bottom:0}.fill-singles+.help{margin-top:7px}

.solved-banner{border:1px solid #86a56f;background:#e2efd8;color:#284c36;padding:17px 18px;border-radius:10px;margin-bottom:14px;display:flex;flex-direction:column;gap:5px}.solved-banner strong{font:700 22px/1.3 Manrope,sans-serif}.solved-banner span{font-size:12px;line-height:1.5}.board.solved{border-color:#558147;box-shadow:0 0 0 3px #a7c68b70}@media(max-width:640px){.solved-banner{padding:10px 12px;margin-bottom:8px}.solved-banner strong{font-size:18px}.solved-banner span{font-size:10px}.board-panel:has(.solved-banner:not([hidden])){max-width:min(100%,calc(100svh - 315px))}}

.quick-toolbar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;padding:6px;background:#ecefe4;border:1px solid #dce2d2;border-radius:12px;margin-bottom:16px;position:relative;z-index:3}
.quick-toolbar>button,.quick-toolbar summary{display:flex;align-items:center;justify-content:center;gap:7px;padding:11px 4px;min-height:44px;border:1px solid #dce2d2;background:#fcfcf7;border-radius:7px;font-size:12px;font-weight:600;cursor:pointer;margin:0;width:100%;color:var(--ink);list-style:none}
.quick-toolbar summary::-webkit-details-marker{display:none}.quick-toolbar summary:focus-visible{outline:2px solid #355e4c;outline-offset:2px}
.quick-toolbar>button>span:first-child,.quick-toolbar summary>span:first-child{font-size:20px;line-height:1}
.quick-toolbar .toolbar-save{background:#355e4c;color:white;border-color:#355e4c}.toolbar-menu{position:relative}.toolbar-menu[open] summary{background:#e0e9d6;border-color:#a1b78e}
.toolbar-dropdown{position:absolute;top:calc(100% + 8px);left:0;width:235px;background:#fffef9;border:1px solid #dce2d2;border-radius:10px;padding:6px;box-shadow:0 8px 24px #23382c25;z-index:5;display:grid;gap:3px}.toolbar-dropdown-end{left:auto;right:0}
.toolbar-dropdown button{text-align:left;min-height:44px;background:transparent;font-size:13px;padding:11px}.toolbar-dropdown button:hover{background:#eef2e7}
.danger-action{color:#9c4940!important;border-color:#d7b5ac!important;background:#fff5ef!important}.reset{margin:0 auto;min-height:44px;padding:12px;font-weight:600;font-size:12px}
.import-card>.export-button{display:block;margin:14px 0 0;padding:12px;min-height:44px;font-size:12px;background:#eaf0df;border-color:#afbe9e}
@media(max-width:640px){.intro{display:none}.quick-toolbar{gap:4px;padding:4px;margin-bottom:8px}.quick-toolbar>button,.quick-toolbar summary{flex-direction:column;gap:2px;padding:5px 2px;font-size:10px;min-height:44px}.quick-toolbar .undo-button,.quick-toolbar .redo-button{font-size:10px;padding:5px 2px;margin:0}.toolbar-dropdown{width:225px;left:auto;right:-80px}.toolbar-dropdown-end{right:0}.board-panel{max-width:min(100%,calc(100svh - 265px))}.board-panel:has(.solved-banner:not([hidden])){max-width:min(100%,calc(100svh - 335px))}#entry-controls #erase{grid-column:1/-1;grid-row:3}.quick-toolbar .undo-button:disabled,.quick-toolbar .redo-button:disabled{opacity:.5}}

.quick-toolbar>*{min-width:0;align-self:stretch}.quick-toolbar>button,.quick-toolbar summary{height:100%;min-width:0;box-sizing:border-box}.quick-toolbar .toolbar-action{margin:0;width:100%;font-size:12px;padding:11px 4px}@media(max-width:640px){.quick-toolbar .toolbar-action,.quick-toolbar>button,.quick-toolbar summary{font-size:10px;padding:5px 2px;min-height:46px;height:46px;max-height:46px;overflow:hidden}.quick-toolbar{align-items:stretch}.quick-toolbar>button span:last-child,.quick-toolbar summary span:last-child{white-space:nowrap}}

#review-grid input.ocr-uncertain{background:#fff0ce;box-shadow:inset 0 0 0 2px #bd862e}

#image-source{border:1px solid var(--line);border-radius:8px;padding:0 12px 12px;margin:12px 0}
#image-source:not([open]){padding-bottom:0}#image-source>summary{cursor:pointer;padding:12px 0;font-weight:600;font-size:13px;min-height:44px}
#ocr-review-title{outline:none;margin:12px 0 4px}#image-dialog .image-actions{position:sticky;bottom:-30px;background:#fcfcf7;padding:12px 0;margin-top:10px;border-top:1px solid var(--line);z-index:2}
#apply-image{width:100%;min-height:46px}#edit-image-crop{display:block;margin-top:10px;min-height:40px}
#review-grid{width:min(100%,calc(92svh - 250px));margin:0 auto}#review-grid input{font-size:clamp(16px,4vw,24px)}
@media(max-width:640px){#image-dialog .image-actions{bottom:-22px}#image-source{padding-left:10px;padding-right:10px}#image-dialog p{font-size:12px;margin:8px 0}#review-grid{width:min(100%,calc(92svh - 250px))}}

.ocr-thumbnail{margin:10px auto 12px;text-align:center}.ocr-thumbnail canvas{display:block;width:min(100%,230px);height:auto;aspect-ratio:1;margin:auto;border:1px solid #ccd5c2;border-radius:5px}.ocr-thumbnail figcaption{font-size:10px;color:var(--muted);margin-top:5px}@media(max-width:640px){.ocr-thumbnail canvas{width:min(100%,180px)}.ocr-thumbnail{margin:8px auto}.ocr-thumbnail figcaption{font-size:10px}}

.keypad button{position:relative}.keypad button.digit-complete:disabled{background:#e1ead8;color:#5c7652;border-color:#b7c9a7;opacity:.75;text-decoration:line-through}.keypad button.digit-complete::after{content:"✓";position:absolute;top:2px;right:3px;font-size:9px;line-height:1;color:#355e4c;text-decoration:none}.keypad button:disabled{cursor:default}

@media(max-width:640px){.brand{font-size:20px;gap:7px}.brand-sub{font-size:11px;margin-left:2px;white-space:nowrap}.local{margin-left:6px}}

#camera-view{position:relative;width:100%;max-width:100%;background:#17271f;border-radius:8px;overflow:hidden}#camera-view #camera-preview{width:100%;height:100%;max-height:none;border-radius:0}.camera-guide{position:absolute;left:50%;top:50%;width:70%;aspect-ratio:1;max-width:90%;transform:translate(-50%,-50%);border:2px solid #b4e58b;box-shadow:0 0 0 100vmax #0003;pointer-events:none;background:linear-gradient(to right,transparent 33%,#b4e58b80 33%,#b4e58b80 33.5%,transparent 33.5%,transparent 66.5%,#b4e58b80 66.5%,#b4e58b80 67%,transparent 67%),linear-gradient(to bottom,transparent 33%,#b4e58b80 33%,#b4e58b80 33.5%,transparent 33.5%,transparent 66.5%,#b4e58b80 66.5%,#b4e58b80 67%,transparent 67%)}#camera-view:has(video[hidden]){display:none}#camera-choice-label{display:flex;align-items:center;gap:10px;margin:12px 0}#camera-choice{min-width:0;max-width:100%;padding:8px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:6px}#image-preview{touch-action:none;cursor:move}#retake-photo{margin-bottom:12px}