@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');
:root{--bg:#f7f5ef;--panel:#fffefa;--ink:#253d35;--muted:#7a837b;--line:#e4e5db;--green:#37634e;--soft:#edf1e6;--cell:#fffefa;--related:#f0f2e9;--same:#dce8ce;--selected:#c2d9b1;--bad:#ba5147;--badbg:#ffebe4;--heavy:#647869;--shadow:0 8px 30px #273b3010;color-scheme:light}
:root[data-theme=dark]{--bg:#19221f;--panel:#222e28;--ink:#e0e9dc;--muted:#a4b4a5;--line:#39473d;--green:#a7c695;--soft:#2d3d31;--cell:#222e28;--related:#2c3b30;--same:#425e42;--selected:#56784d;--bad:#ffb4a7;--badbg:#593833;--heavy:#879b88;--shadow:none;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 'DM Sans','Noto Sans KR',system-ui,sans-serif}button,input,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:0;background:transparent}button:disabled{opacity:.35;cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #d9a957;outline-offset:3px}button:hover:not(:disabled){filter:brightness(.94)}.shell{max-width:1180px;margin:auto;padding:0 40px}header{height:104px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;font-size:23px;font-weight:800;letter-spacing:-1px}.brand-icon{font-size:43px;color:var(--green);line-height:1}.brand small{display:block;font-size:8px;letter-spacing:1.8px;font-weight:600;margin-top:2px}.header-actions{display:flex;gap:12px;align-items:center}.back{font-size:12px;color:var(--muted);margin-right:12px}.icon{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;font-size:20px}.intro{display:flex;justify-content:space-between;align-items:center;padding:42px 0 34px;gap:25px}.eyebrow{font-size:9px;font-weight:700;letter-spacing:2px;color:var(--green);margin:0 0 12px}h1{font-size:34px;font-weight:600;letter-spacing:-1.6px;line-height:1.4;margin:0 0 9px}.subtitle{font-size:13px;color:var(--muted);margin:0}.mobile-break{display:none}.daily-card{display:flex;align-items:center;gap:16px;text-align:left;background:var(--soft);border:1px solid var(--line);padding:19px 24px;border-radius:14px;min-width:270px}.daily-icon{font-size:36px;color:#b19053}.daily-card small{font-size:10px;color:var(--muted)}.daily-card strong{display:block;font-size:17px;font-weight:600}.daily-card strong span{margin-left:35px}.daily-card em{display:block;font-size:10px;font-style:normal;color:var(--muted);margin-top:4px}.game-layout{display:grid;grid-template-columns:minmax(0,610px) minmax(260px,1fr);gap:40px}.game-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;min-height:33px}.game-top>div{display:flex;align-items:center;gap:12px}.pill{font-size:10px;background:var(--soft);padding:5px 9px;border-radius:5px;color:var(--green);white-space:nowrap}select{color:var(--ink);background:transparent;border:0;font-size:12px;max-width:180px;padding:4px}.clock{font-variant-numeric:tabular-nums;color:var(--muted)}.clock button{width:28px;height:28px;border:1px solid var(--line);border-radius:50%;font-size:12px}.board-wrap{position:relative;overflow:hidden;border-radius:8px;box-shadow:var(--shadow)}#board{display:grid;grid-template-columns:repeat(9,1fr);border:2px solid var(--heavy);border-radius:8px;overflow:hidden;background:var(--cell);aspect-ratio:1}.cell{position:relative;padding:0;border-radius:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:clamp(20px,3vw,32px);font-weight:500;line-height:1;color:var(--green);background:var(--cell);min-width:0;touch-action:manipulation}.cell:nth-child(3n){border-right:2px solid var(--heavy)}.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 var(--heavy)}.cell:nth-child(n+73){border-bottom:0}.cell.given{color:var(--ink);font-weight:600}.cell.related{background:var(--related)}.cell.same{background:var(--same)}.cell.selected{background:var(--selected);box-shadow:inset 0 0 0 2px var(--green);z-index:1}.cell.bad{color:var(--bad);background:var(--badbg)}.cell:focus-visible{outline:0;box-shadow:inset 0 0 0 3px #d9a957}.pencil{display:grid;grid-template-columns:repeat(3,1fr);height:100%;padding:4px;align-items:center;font-size:11px;font-weight:400;color:var(--muted);line-height:1}.pencil span{min-height:10px}.pencil .note-same{color:var(--green);font-weight:800;background:var(--same);border-radius:3px}#veil{position:absolute;inset:0;background:var(--panel);z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}#veil[hidden]{display:none}#veil-title{font-size:25px;font-weight:600}#veil p{color:var(--muted)}#veil .primary{width:180px;margin-top:10px}.progress-row{display:flex;justify-content:space-between;gap:10px;font-size:10px;color:var(--muted);margin:13px 0 8px}.progress-track{height:3px;border-radius:5px;background:var(--line);overflow:hidden}#progress-bar{height:100%;background:var(--green);transition:width .3s}.tools{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:18px 0 20px}.tools button{font-size:10px;display:flex;flex-direction:column;align-items:center;gap:4px;border-radius:8px;padding:5px 0}.tools button>span{font-size:26px;height:32px;display:flex;align-items:center;gap:3px}.tools i{font-style:normal;font-size:7px;background:var(--soft);color:var(--muted);padding:2px;border-radius:3px}.tools button[aria-pressed=true]{background:var(--same)}.keypad{display:grid;grid-template-columns:repeat(9,1fr);gap:7px}.keypad button{background:var(--soft);border:1px solid var(--line);border-radius:8px;color:var(--green);padding:10px 0 7px;font-size:27px;line-height:1.2;font-weight:500;touch-action:manipulation}.keypad small{display:block;font-size:8px;margin-top:6px;color:var(--muted)}.keyboard-help{text-align:center;color:var(--muted);font-size:9px;margin-top:16px}.sidebar{padding-top:47px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:16px}.panel h2,.tip h2{font-size:15px;font-weight:600;margin:0 0 10px;letter-spacing:-.3px}.new-panel h2{font-size:19px}.new-panel p:not(.eyebrow){font-size:12px;color:var(--muted);line-height:1.9}.primary{display:flex;justify-content:center;align-items:center;gap:25px;background:var(--green);color:var(--bg);border-radius:7px;padding:13px 18px;width:100%;font-size:13px;font-weight:600}.new-panel .primary{margin-top:21px}.secondary-actions{display:flex;justify-content:center;margin-top:13px}.secondary-actions button{font-size:11px;color:var(--muted);padding:0 22px}.secondary-actions button+button{border-left:1px solid var(--line)}.panel-heading{display:flex;align-items:center;justify-content:space-between}.text-btn{font-size:10px;color:var(--green);padding:0}.stats-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:14px;text-align:center}.stats-grid>div+div{border-left:1px solid var(--line)}.stats-grid strong{display:block;font-size:28px;font-weight:500}.stats-grid span{font-size:10px;color:var(--muted)}.fineprint{font-size:9px;color:var(--muted);margin:13px 0 0}.assist-panel>button{display:flex;align-items:center;text-align:left;gap:14px;width:100%;padding:4px 0}.assist-panel>button>span{font-size:23px}.assist-panel>button>span:last-child{margin-left:auto}.assist-panel strong{display:block;font-size:11px;font-weight:500}.assist-panel small{font-size:9px;color:var(--muted)}.tip{display:flex;gap:13px;margin:25px 9px;color:var(--muted)}.tip>span{font-size:24px;color:#b19053}.tip h2{font-size:12px;color:var(--ink)}.tip p{font-size:11px;line-height:1.9;margin:0 0 12px}footer{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:42px;padding:24px 0;font-size:9px;color:var(--muted)}footer b{padding:0 8px}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:var(--bg);box-shadow:var(--shadow);border-radius:10px;padding:13px 22px;max-width:90vw;width:max-content;font-size:12px;z-index:30;opacity:0;transition:.2s;pointer-events:none}#toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid var(--line);border-radius:18px;padding:35px;max-width:460px;width:calc(100% - 32px);background:var(--panel);color:var(--ink);box-shadow:0 30px 100px #0003}dialog::backdrop{background:#17271e88;backdrop-filter:blur(3px)}.dialog-close{position:absolute;right:12px;top:8px;font-size:27px;color:var(--muted)}dialog h2{font-size:24px;letter-spacing:-1px;margin:10px 0 14px}dialog p,dialog li{font-size:13px;color:var(--muted);line-height:1.9}dialog ul{padding-left:20px}.dialog-actions{display:flex;gap:10px;margin-top:24px}.dialog-actions>button{flex:1;padding:12px;border-radius:7px;border:1px solid var(--line)}.setting{display:flex;align-items:center;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line);font-size:13px}.setting small{display:block;font-size:10px;color:var(--muted)}input[type=checkbox]{width:20px;height:20px;accent-color:var(--green)}.medal{text-align:center;font-size:60px;color:#b19053}.win{text-align:center}.win h2{font-size:30px}.stat-table{width:100%;border-collapse:collapse;font-size:12px}.stat-table td,.stat-table th{text-align:left;padding:12px 5px;border-bottom:1px solid var(--line)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.spark{position:fixed;top:-20px;width:8px;height:12px;pointer-events:none;z-index:50;animation:fall 2.7s ease-in forwards}@keyframes fall{to{transform:translateY(110vh) rotate(700deg);opacity:0}}
@media(min-width:1500px){.shell{padding-top:15px}}@media(max-width:900px){.shell{padding:0 24px}.game-layout{gap:24px;grid-template-columns:minmax(0,1fr) 260px}.intro{gap:15px}h1{font-size:29px}.daily-card{min-width:240px;padding:15px}.panel{padding:18px}.pencil{font-size:9px;padding:2px}.keypad{gap:4px}}
@media(max-width:720px){.shell{max-width:550px;padding:0 18px}header{height:80px}.brand{font-size:20px}.brand-icon{font-size:36px}.brand small{font-size:6px}.header-actions{gap:8px}.back{display:none}.intro{display:block;padding:28px 0 22px}h1{font-size:29px}.subtitle{font-size:11px}.daily-card{width:100%;margin-top:20px;padding:12px 17px;gap:13px}.daily-card>span:last-child{display:grid;grid-template-columns:1fr auto;width:100%;align-items:center}.daily-card small{grid-column:1}.daily-card strong{grid-column:2;grid-row:1 / 3;font-size:14px}.daily-card strong span{margin-left:10px}.daily-card em{margin:0;font-size:9px}.daily-icon{font-size:29px}.game-layout{display:block}.game-top>div{gap:5px}.game-top select{font-size:11px;max-width:160px}.cell{font-size:27px}.pencil{font-size:10px}.sidebar{padding-top:20px;display:grid;grid-template-columns:1fr;gap:0}.panel{padding:20px}.keyboard-help{display:none}.keypad button{font-size:25px;padding:10px 0}.tools{padding:13px 0}.tip{margin-bottom:8px}footer{margin-top:22px;display:block;line-height:2}footer>span{display:block}.game-top{margin-bottom:10px}.progress-row{font-size:9px}.icon{width:34px;height:34px}.eyebrow{font-size:8px}.new-panel p br{display:none}}
.multiplayer-banner{display:flex;justify-content:space-between;gap:16px;border:1px solid var(--line);border-radius:9px;padding:14px 18px;background:var(--soft);color:var(--green);font-size:11px;margin:0 0 25px}.multiplayer-banner>span:last-child{white-space:nowrap}.focus-mode .intro,.focus-mode .sidebar,.focus-mode footer,.focus-mode .multiplayer-banner{display:none}.focus-mode .game-layout{display:block;max-width:560px;margin:20px auto}.focus-mode header{height:70px}.focus-mode #focus-mode{background:var(--same)}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.spark{display:none}}