@font-face{font-family:Libre Franklin;font-style:normal;font-weight:300;font-display:swap;src:url(../media/61b2b84ab35dead5-s.14gwa3fj6nf-1.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:300;font-display:swap;src:url(../media/eba33977c8ed1a9d-s.0q_cvze57vswb.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:300;font-display:swap;src:url(../media/6a1997311f9003a9-s.0ehmcxzdn-r-f.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:300;font-display:swap;src:url(../media/2245c258b0d2c062-s.0ru3edkq3if_6.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:300;font-display:swap;src:url(../media/8a4bb24664ac8500-s.p.0yjesinu1g_v..woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:400;font-display:swap;src:url(../media/61b2b84ab35dead5-s.14gwa3fj6nf-1.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:400;font-display:swap;src:url(../media/eba33977c8ed1a9d-s.0q_cvze57vswb.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:400;font-display:swap;src:url(../media/6a1997311f9003a9-s.0ehmcxzdn-r-f.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:400;font-display:swap;src:url(../media/2245c258b0d2c062-s.0ru3edkq3if_6.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:400;font-display:swap;src:url(../media/8a4bb24664ac8500-s.p.0yjesinu1g_v..woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:500;font-display:swap;src:url(../media/61b2b84ab35dead5-s.14gwa3fj6nf-1.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:500;font-display:swap;src:url(../media/eba33977c8ed1a9d-s.0q_cvze57vswb.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:500;font-display:swap;src:url(../media/6a1997311f9003a9-s.0ehmcxzdn-r-f.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:500;font-display:swap;src:url(../media/2245c258b0d2c062-s.0ru3edkq3if_6.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:500;font-display:swap;src:url(../media/8a4bb24664ac8500-s.p.0yjesinu1g_v..woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:600;font-display:swap;src:url(../media/61b2b84ab35dead5-s.14gwa3fj6nf-1.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:600;font-display:swap;src:url(../media/eba33977c8ed1a9d-s.0q_cvze57vswb.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:600;font-display:swap;src:url(../media/6a1997311f9003a9-s.0ehmcxzdn-r-f.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:600;font-display:swap;src:url(../media/2245c258b0d2c062-s.0ru3edkq3if_6.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:600;font-display:swap;src:url(../media/8a4bb24664ac8500-s.p.0yjesinu1g_v..woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:700;font-display:swap;src:url(../media/61b2b84ab35dead5-s.14gwa3fj6nf-1.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:700;font-display:swap;src:url(../media/eba33977c8ed1a9d-s.0q_cvze57vswb.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:700;font-display:swap;src:url(../media/6a1997311f9003a9-s.0ehmcxzdn-r-f.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:700;font-display:swap;src:url(../media/2245c258b0d2c062-s.0ru3edkq3if_6.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Libre Franklin;font-style:normal;font-weight:700;font-display:swap;src:url(../media/8a4bb24664ac8500-s.p.0yjesinu1g_v..woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Libre Franklin Fallback;src:local(Arial);ascent-override:92.61%;descent-override:23.58%;line-gap-override:0.0%;size-adjust:104.31%}.libre_franklin_bc1ed5dc-module___NKVQq__className{font-family:Libre Franklin,Libre Franklin Fallback;font-style:normal}
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}.invisible{visibility:hidden}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.static{position:static}.sticky{position:sticky}.isolate{isolation:isolate}.container{width:100%}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.border{border-style:var(--tw-border-style);border-width:1px}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,ease);transition-duration:var(--tw-duration,0s)}*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color:#121213;--secondary-color:#787c7e;--accent-color:#538d4e;--error-color:#c9424a;--warning-color:#c9b458;--replacement-color:#ff8c00;--bg-color:#fff;--surface-color:#f7f7f7;--border-color:#d3d6da;--text-color:#121213;--text-secondary:#787c7e;--shadow:0 1px 4px #0000001a;--transition:all .3s ease}body{background-color:var(--bg-color);color:var(--text-color);-moz-text-size-adjust:100%;text-size-adjust:100%;justify-content:center;align-items:center;min-height:100vh;font-family:Libre Franklin,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;display:flex}.container{width:100%;max-width:500px;margin:0 auto;padding:20px}header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:20px;display:flex}h1{letter-spacing:-.5px;background:linear-gradient(135deg, var(--accent-color), #6bb6ff, var(--primary-color));-webkit-text-fill-color:transparent;text-shadow:0 1px 2px #0000001a;font-smooth:always;-webkit-background-clip:text;background-clip:text;font-size:36px;font-weight:800;transition:transform .3s;position:relative}h1:hover{transform:scale(1.03)}.header-buttons{gap:8px;display:flex}.icon-btn{cursor:pointer;transition:var(--transition);color:var(--text-color);background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:8px;display:flex}.icon-btn:hover{background-color:var(--surface-color)}.icon-btn svg{stroke:currentColor;stroke-width:2px;fill:none;width:24px;height:24px}body.dark-mode{--bg-color:#121213;--surface-color:#1e1e1f;--border-color:#3a3a3c;--text-color:#fff;--text-secondary:#818384;--replacement-color:orange}body.dark-mode .icon-btn{color:#fff;background-color:#ffffff1a;border-radius:50%}body.dark-mode .icon-btn:hover{background-color:#fff3}input[type=checkbox]{appearance:none;background-color:var(--border-color);cursor:pointer;width:40px;height:20px;transition:var(--transition);border-radius:10px;position:relative}input[type=checkbox]:checked{background-color:var(--accent-color)}input[type=checkbox]:before{content:"";width:16px;height:16px;transition:var(--transition);background-color:#fff;border-radius:50%;position:absolute;top:2px;left:2px}input[type=checkbox]:checked:before{left:22px}.toast{background-color:var(--primary-color);color:#fff;opacity:0;z-index:2000;text-align:center;border-radius:6px;max-width:90%;padding:12px 24px;font-size:14px;font-weight:500;transition:all .3s;position:fixed;bottom:20px;left:50%;transform:translate(-50%)translateY(100px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.toast.error{background-color:var(--error-color)}.toast.success{background-color:var(--accent-color)}.game-info{text-align:center;margin-bottom:30px}.puzzle-header{color:var(--text-secondary);justify-content:center;gap:10px;margin-bottom:10px;font-size:14px;display:flex}.mode-indicators{justify-content:center;margin-top:15px;display:flex}.mode-selector{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.mode-btn{background-color:var(--surface-color);border:2px solid var(--border-color);cursor:pointer;transition:var(--transition);text-align:center;border-radius:8px;flex-direction:column;align-items:center;min-width:120px;padding:8px 16px;display:flex}.mode-btn:hover{border-color:var(--accent-color);background-color:#538d4e0d}.mode-btn.active{border-color:var(--accent-color);background-color:#538d4e1a}.mode-btn.disabled{opacity:.5;cursor:not-allowed;background-color:var(--surface-color);border-color:var(--border-color)}.mode-btn.disabled:hover{border-color:var(--border-color);background-color:var(--surface-color);transform:none}.mode-label{color:var(--text-color);margin-bottom:2px;font-size:14px;font-weight:600}.mode-description{color:var(--text-secondary);font-size:11px;line-height:1.2}.mode-note{color:var(--text-secondary);opacity:.8;margin-top:4px;font-size:10px;font-style:italic;display:block}.mode-btn.active .mode-label{color:var(--accent-color)}.mode-btn.active .mode-description{color:var(--accent-color);opacity:.8}.mode-btn.disabled .mode-label,.mode-btn.disabled .mode-description{color:var(--text-secondary);opacity:.6}.chess-grid{aspect-ratio:1;background-color:var(--surface-color);max-width:350px;box-shadow:var(--shadow);border-radius:8px;grid-template-rows:repeat(5,1fr);grid-template-columns:repeat(5,1fr);gap:4px;margin:0 auto 30px;padding:10px;display:grid}.chess-cell{background-color:var(--bg-color);border:2px solid var(--border-color);cursor:pointer;transition:var(--transition);border-radius:4px;justify-content:center;align-items:center;min-height:60px;font-size:24px;font-weight:600;display:flex;position:relative}.chess-cell:hover:not(.blocked):not(.prefilled):not(.filled){border-color:var(--accent-color);transform:scale(1.02)}.chess-cell.blocked{background-color:var(--primary-color);cursor:not-allowed;border-color:var(--primary-color)}.chess-cell.prefilled{background-color:var(--secondary-color);color:#fff;cursor:not-allowed;border-color:var(--secondary-color)}.chess-cell.filled{color:#fff;background-color:#6bb6ff;border-color:#6bb6ff}.chess-cell.hint{background-color:var(--warning-color);color:#fff;border-color:var(--warning-color)}.chess-cell.selected{border-color:var(--accent-color);transform:scale(1.05);box-shadow:0 0 0 3px #538d4e4d}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}.letter-pool-container{margin-bottom:30px}.letter-pool-container h3{text-align:center;color:var(--text-secondary);margin-bottom:15px;font-size:18px}.letter-pool{background-color:var(--surface-color);min-height:100px;box-shadow:var(--shadow);border-radius:8px;flex-wrap:wrap;justify-content:center;gap:8px;padding:28px 20px 20px;display:flex;overflow:visible}.letter-tile{background-color:var(--bg-color);border:2px solid var(--border-color);cursor:pointer;width:45px;height:45px;transition:var(--transition);-webkit-user-select:none;user-select:none;color:var(--text-color);border-radius:6px;justify-content:center;align-items:center;font-size:20px;font-weight:600;display:flex;position:relative}.letter-tile:hover:not(.used){border-color:var(--accent-color);transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.letter-tile.used{opacity:.3;cursor:not-allowed;background-color:var(--surface-color)}.letter-tile.selected{border-color:var(--accent-color);background-color:#538d4e1a;transform:translateY(-2px)scale(1.05);box-shadow:0 0 0 3px #538d4e4d}.letter-tile-wrapper{display:inline-block;position:relative}.letter-tile-wrapper .count-badge{z-index:1;background-color:var(--accent-color);color:#fff;border:2px solid var(--bg-color);border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;font-weight:700;display:flex;position:absolute;top:-8px;right:-8px}.hard-mode .count-badge{display:none}.game-controls{justify-content:center;gap:10px;margin-bottom:20px;display:flex}.control-btn{background-color:var(--surface-color);color:var(--text-color);border:2px solid var(--border-color);cursor:pointer;transition:var(--transition);border-radius:6px;padding:12px 20px;font-size:14px;font-weight:600}.control-btn:hover{background-color:var(--border-color);transform:translateY(-1px)}.control-btn.primary{background-color:var(--accent-color);color:#fff;border-color:var(--accent-color)}.control-btn.primary:hover{background-color:#4a7c47;border-color:#4a7c47}@media (max-width:600px){.container{padding:15px}h1{font-size:28px}.chess-grid{max-width:300px}.chess-cell{min-height:50px;font-size:20px}.letter-tile{width:40px;height:40px;font-size:18px}.game-controls{flex-direction:column;gap:8px}.control-btn{width:100%}}@media (max-width:400px){.chess-grid{max-width:280px}.chess-cell{min-height:45px;font-size:18px}.letter-tile{width:35px;height:35px;font-size:16px}}.site-footer{flex-direction:column;align-items:center;gap:24px;width:100%;margin-top:30px;padding-bottom:20px;display:flex}.footer-subscribe{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:10px;width:100%;max-width:340px;padding:16px 20px}.footer-bottom{color:#666;justify-content:space-between;align-items:center;width:100%;max-width:300px;font-size:.8em;display:flex}.footer-contact{color:#666;text-decoration:none}.footer-contact:hover{color:var(--text-color)}.esf-wrap{width:100%}.esf-heading{color:var(--text-color);margin:0 0 4px;font-size:14px;font-weight:600}.esf-subtext{color:var(--text-secondary);margin:0 0 10px;font-size:12px}.esf-form{width:100%}.esf-row{gap:8px;display:flex}.esf-input{border:1.5px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);border-radius:6px;flex:1;min-width:0;padding:9px 12px;font-size:14px;transition:border-color .15s}.esf-input:focus{border-color:var(--accent-color);outline:none}.esf-btn{background-color:var(--accent-color);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:6px;padding:9px 14px;font-size:13px;font-weight:600;transition:background-color .15s}.esf-btn:hover:not(:disabled){background-color:#4a7c47}.esf-btn:disabled{opacity:.55;cursor:not-allowed}.esf-confirmed{color:var(--accent-color);text-align:center;margin:0;font-size:14px;font-weight:500}.modal{z-index:1000;background-color:#00000080;width:100%;height:100%;animation:.3s fadeIn;display:none;position:fixed;top:0;left:0}.modal.active{justify-content:center;align-items:center;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background-color:var(--bg-color);border-radius:12px;width:90%;max-width:450px;max-height:80vh;padding:30px;animation:.3s slideUp;position:relative;overflow-y:auto;box-shadow:0 10px 30px #0000004d}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.close-btn{cursor:pointer;color:var(--text-secondary);transition:var(--transition);background:0 0;border:none;border-radius:4px;padding:5px;font-size:24px;position:absolute;top:15px;right:15px}.close-btn:hover{color:var(--text-color);background-color:var(--surface-color)}.welcome-content{text-align:center;max-width:600px}.welcome-header{margin-bottom:30px}.welcome-header h2{color:var(--accent-color);margin-bottom:10px;font-size:32px;font-weight:700;line-height:1.2}.welcome-subtitle{color:var(--text-secondary);margin-bottom:0;font-size:18px}.welcome-body{text-align:left;margin-bottom:30px}.welcome-section{background-color:var(--surface-color);border-left:4px solid var(--accent-color);border-radius:12px;margin-bottom:25px;padding:20px}.welcome-section:last-child{margin-bottom:0}.welcome-section h3{color:var(--text-color);align-items:center;gap:10px;margin-bottom:12px;font-size:20px;font-weight:600;display:flex}.welcome-section p{color:var(--text-secondary);margin-bottom:12px;font-size:16px;line-height:1.5}.welcome-section p:last-child{margin-bottom:0}.welcome-section ul{margin:12px 0 0;padding-left:20px}.welcome-section li{color:var(--text-secondary);margin-bottom:8px;font-size:15px;line-height:1.4}.mode-examples,.difficulty-examples{margin-top:12px}.mode-example,.difficulty-example{background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;margin-bottom:8px;padding:12px 16px;font-size:15px;line-height:1.4}.mode-example:last-child,.difficulty-example:last-child{margin-bottom:0}.mode-example strong,.difficulty-example strong{color:var(--accent-color);font-weight:600}.welcome-footer{text-align:center;border-top:1px solid var(--border-color);padding-top:25px}.start-playing-btn{background-color:var(--accent-color);color:#fff;cursor:pointer;transition:var(--transition);border:none;border-radius:12px;align-items:center;gap:10px;margin-bottom:20px;padding:16px 32px;font-size:18px;font-weight:600;display:inline-flex}.start-playing-btn:hover{background-color:#4a7c47;transform:translateY(-2px);box-shadow:0 4px 12px #538d4e4d}.start-playing-btn:active{transform:translateY(0)}.welcome-tip{color:var(--text-secondary);margin:0;font-size:14px;line-height:1.4}.mode-switch-content{text-align:center;margin:20px 0}.mode-switch-content p{color:var(--text-secondary);margin-bottom:20px;font-size:16px;line-height:1.5}.mode-switch-details{display:none}.mode-switch-actions{justify-content:center;gap:15px;margin-top:25px;display:flex}.help-section{margin-bottom:25px}.help-section h3{color:var(--accent-color);margin-bottom:10px;font-size:18px}.help-section ul,.help-section ol{padding-left:20px}.help-section li{margin-bottom:5px}.stats-container{grid-template-columns:repeat(2,1fr);gap:15px;margin:20px 0;display:grid}.stat-box{text-align:center;background-color:var(--surface-color);border-radius:8px;padding:20px}.stat-number{color:var(--accent-color);font-size:36px;font-weight:700;line-height:1}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-top:5px;font-size:12px}.difficulty-stats{margin-top:30px}.difficulty-stats h3{color:var(--accent-color);margin-bottom:15px}.difficulty-breakdown{flex-direction:column;gap:10px;display:flex}.difficulty-stat{background-color:var(--surface-color);border-radius:4px;justify-content:space-between;padding:10px;display:flex}.settings-options{flex-direction:column;gap:20px;margin-top:20px;display:flex}.setting-item{cursor:pointer;transition:var(--transition);border-radius:6px;justify-content:space-between;align-items:center;padding:10px;display:flex}.setting-item:hover{background-color:var(--surface-color)}.setting-description{color:var(--text-secondary);margin-top:5px;font-size:12px;display:block}#difficulty-select{border:2px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);border-radius:4px;width:100%;max-width:200px;padding:8px 12px;font-size:14px}.completion-modal{text-align:center;max-width:500px}.completion-header{margin-bottom:30px}.completion-header h2{color:var(--accent-color);margin-bottom:15px;font-size:32px;font-weight:700}.puzzle-info{color:var(--text-secondary);justify-content:center;gap:15px;font-size:14px;display:flex}.puzzle-number{font-weight:600}.completion-stats{background-color:var(--surface-color);border-radius:12px;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0;padding:20px;display:grid}.stat-item{flex-direction:column;align-items:center;gap:8px;display:flex}.stat-icon{color:var(--accent-color)}.stat-content{text-align:center}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:12px}.stat-value{color:var(--text-color);margin-top:4px;font-size:20px;font-weight:700}.grid-preview{margin:30px 0}.grid-preview h3{color:var(--text-color);margin-bottom:15px;font-size:18px}.emoji-grid{background-color:var(--surface-color);white-space:pre-line;letter-spacing:2px;border-radius:12px;padding:20px;font-family:Apple Color Emoji,Segoe UI Emoji,Noto Color Emoji,monospace;font-size:24px;line-height:1.2}.share-section{margin:30px 0}.share-section h3{color:var(--text-color);margin-bottom:20px;font-size:18px}.share-buttons{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.share-btn{border:2px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);cursor:pointer;transition:var(--transition);border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 16px;font-size:14px;font-weight:600;display:flex}.share-btn:hover{border-color:var(--accent-color);background-color:var(--surface-color);transform:translateY(-1px)}.share-btn.primary{background-color:var(--accent-color);color:#fff;border-color:var(--accent-color)}.share-btn.primary:hover{background-color:#4a7c47;border-color:#4a7c47}.next-puzzle{background-color:var(--surface-color);border-radius:12px;margin:30px 0 20px;padding:20px}.next-puzzle h3{color:var(--text-color);margin-bottom:15px;font-size:16px}.countdown{flex-direction:column;align-items:center;gap:8px;display:flex}.countdown-time{color:var(--accent-color);font-family:Courier New,monospace;font-size:28px;font-weight:700}.countdown-label{color:var(--text-secondary);font-size:14px}.achievement{border:2px solid var(--accent-color);color:var(--accent-color);background-color:#538d4e1a;border-radius:8px;justify-content:center;align-items:center;gap:10px;margin:15px 0;padding:15px;font-size:16px;font-weight:600;display:flex}.achievement-icon{color:var(--accent-color)}.remind-section{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:10px;margin:0 0 24px;padding:16px 20px}.stats-subscribe{border-top:1px solid var(--border-color);margin-top:24px;padding-top:20px}.share-icon-x{background-color:currentColor;flex-shrink:0;width:16px;height:16px;display:inline-block;-webkit-mask:url(/icons/x-logo.svg) 50%/contain no-repeat;mask:url(/icons/x-logo.svg) 50%/contain no-repeat}@media (max-width:600px){.welcome-content{max-width:100%}.welcome-header h2{font-size:28px}.welcome-subtitle{font-size:16px}.welcome-section{margin-bottom:20px;padding:15px}.welcome-section h3{font-size:18px}.welcome-section p{font-size:15px}.welcome-section li{font-size:14px}.mode-example,.difficulty-example{padding:10px 12px;font-size:14px}.stats-container{grid-template-columns:repeat(2,1fr);gap:10px}.stat-box{padding:15px}.stat-number{font-size:28px}}@media (max-width:480px){.setting-item{flex-direction:column;align-items:flex-start;gap:10px}#difficulty-select{max-width:100%;margin-top:5px}}@media (max-width:600px){.completion-modal{max-width:100%}.completion-header h2{font-size:28px}.completion-stats{grid-template-columns:1fr;gap:15px;padding:15px}.stat-item{text-align:left;flex-direction:row;justify-content:flex-start}.emoji-grid{letter-spacing:1px;padding:15px;font-size:20px}.share-buttons{grid-template-columns:1fr;gap:10px}.countdown-time{font-size:24px}}@media (max-width:400px){.completion-header h2{font-size:24px}.puzzle-info{flex-direction:column;gap:5px}.emoji-grid{padding:12px;font-size:18px}.achievement{text-align:center;flex-direction:column;gap:8px}}@keyframes letterPlace{0%{opacity:.5;transform:scale(.8)}50%{transform:scale(1.1)}to{opacity:1;transform:scale(1)}}.chess-cell.letter-placed{animation:.3s letterPlace}@keyframes hintPulse{0%,to{box-shadow:0 0 #538d4eb3}50%{box-shadow:0 0 0 10px #538d4e00}}.chess-cell.hint-placed{animation:1s ease-in-out 3 hintPulse}.chess-cell.invalid{background-color:var(--error-color);color:#fff;border-color:var(--error-color);animation:.5s shake}@media (max-width:600px){.letter-tile{width:48px;height:48px;margin:2px}.chess-cell{min-height:52px}.letter-tile,.chess-cell{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.letter-tile.used,.chess-cell:not(.draggable):not(.filled){touch-action:manipulation}.letter-tile:active,.chess-cell:active{transition:transform .1s;transform:scale(.95)}}@media (prefers-reduced-motion:reduce){.letter-placed,.hint-placed{animation:none}.chess-cell,.letter-tile,.control-btn,.icon-btn{transition:none}.modal-content,.modal{animation:none}}@media (prefers-contrast:high){.chess-cell.selected,.letter-tile.selected{box-shadow:0 0 0 4px #538d4ecc}}.chess-cell:focus,.letter-tile:focus,.control-btn:focus,.icon-btn:focus{outline:3px solid var(--accent-color);outline-offset:2px}body.dark-mode .chess-cell:focus,body.dark-mode .letter-tile:focus,body.dark-mode .control-btn:focus,body.dark-mode .icon-btn:focus{outline-color:#6bb6ff}.chess-cell:not(.blocked):not(.prefilled):hover,.letter-tile:not(.used):hover{cursor:pointer}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading{animation:1.5s ease-in-out infinite pulse}.error-state{border-color:var(--error-color)!important;background-color:#c9424a1a!important}.success-state{border-color:var(--accent-color)!important;background-color:#538d4e1a!important}.chess-cell{will-change:transform}@media print{.header-buttons,.game-controls,.modal,.toast{display:none!important}.chess-grid{box-shadow:none;border:2px solid #000}.chess-cell{color:#000;background-color:#fff;border-color:#000}.chess-cell.blocked{background-color:#000}.chess-cell.prefilled,.chess-cell.filled{background-color:#ccc}}@media (prefers-reduced-motion:reduce){.chess-cell.invalid{background-color:var(--error-color);color:#fff;border-color:var(--error-color);animation:none}.letter-tile:hover:not(.used),.chess-cell:hover:not(.blocked):not(.prefilled){border-color:var(--accent-color);box-shadow:0 0 0 2px var(--accent-color);transform:none}}.letter-tile.dragging{transition:all .2s;transform:scale(.9);opacity:.3!important;cursor:grabbing!important}.letter-tile:not(.dragging){cursor:grab}.letter-tile.dragging *{pointer-events:none}.chess-cell.drop-target{will-change:transform;border-color:var(--accent-color)!important;background-color:#538d4e1a!important;transform:scale(1.02)!important;box-shadow:0 0 0 2px #538d4e66!important}.chess-cell.drop-target.blocked,.chess-cell.drop-target.prefilled{border-color:var(--error-color)!important;background-color:#c9424a1a!important;box-shadow:0 0 0 3px #c9424a4d!important}@keyframes invalidDrop{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.letter-tile.invalid-drop{border-color:var(--error-color);background-color:#c9424a1a;animation:.5s invalidDrop}@keyframes validDrop{0%{opacity:.8;transform:scale(1.1)}50%{opacity:1;transform:scale(1.2)}to{opacity:1;transform:scale(1)}}.chess-cell.valid-drop{animation:.4s validDrop}.letter-tile:hover:not(.dragging):not(.used){cursor:grab;transform:translateY(-2px)scale(1.02)}.letter-tile:active:not(.used){cursor:grabbing}body.dragging .chess-cell,body.dragging .letter-pool-container,body.dragging .letter-tile{touch-action:none}@media (hover:none) and (pointer:coarse){.letter-tile{cursor:default}.letter-tile:not(.used){touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.letter-tile{min-width:48px;min-height:48px;padding:4px}.chess-cell{min-width:56px;min-height:56px}.letter-tile:active:not(.dragging){background-color:#538d4e1a;transition:transform .1s;transform:scale(.95)}.chess-cell:active:not(.drop-target){transition:transform .1s;transform:scale(.98)}.chess-cell.drop-target{animation:.6s ease-in-out infinite touchDropZone;transform:scale(1.08)!important}.letter-tile.draggable:not(.used),.chess-cell.draggable{touch-action:none}.letter-tile.used,.chess-cell:not(.draggable){touch-action:manipulation}}@keyframes touchDropZone{0%,to{box-shadow:0 0 0 3px #538d4e66}50%{box-shadow:0 0 0 6px #538d4e33}}@keyframes longPressIndicator{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1.1)}}.letter-tile.long-press-active{animation:.15s forwards longPressIndicator}@media (prefers-reduced-motion:reduce){.letter-tile.dragging,.chess-cell.drop-target{animation:none;transform:none!important}.letter-tile.invalid-drop{border-color:var(--error-color);background-color:#c9424a33;animation:none}.chess-cell.valid-drop{animation:none}}@media (prefers-contrast:high){.letter-tile.dragging{box-shadow:0 0 0 2px var(--accent-color);border-width:3px}.chess-cell.drop-target{box-shadow:0 0 0 3px var(--accent-color)!important;border-width:3px!important}.chess-cell.drop-target.blocked,.chess-cell.drop-target.prefilled{box-shadow:0 0 0 3px var(--error-color)!important}}.letter-tile:focus,.chess-cell:focus{outline:3px solid var(--accent-color);outline-offset:2px}body.dark-mode .letter-tile.dragging{box-shadow:0 8px 16px #00000080}@media print{.letter-tile.dragging,.chess-cell.drop-target{display:none!important}}.letter-tile:not(.dragging),.chess-cell:not(.drop-target){will-change:auto;transition:transform .15s,border-color .15s,background-color .15s}.letter-tile.draggable:not(.used){cursor:grab;will-change:transform;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.letter-tile.draggable:not(.used):active{cursor:grabbing}.chess-cell.draggable{cursor:grab;will-change:transform;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.chess-cell.draggable:active,.chess-cell.draggable.dragging{cursor:grabbing}.chess-cell.drop-target:not(.blocked):not(.prefilled){animation:1s ease-in-out infinite dropZonePulse}@keyframes dropZonePulse{0%,to{box-shadow:0 0 0 3px #538d4e4d}50%{box-shadow:0 0 0 6px #538d4e33}}.letter-tile:not(.dragging):not(.used):hover{border-color:var(--accent-color);background-color:#538d4e0d;transform:translateY(-3px)scale(1.05);box-shadow:0 6px 12px #00000026}.chess-cell:not(.blocked):not(.prefilled):not(.dragging):not(.filled):hover{border-color:var(--accent-color);background-color:#538d4e08;transform:scale(1.02);box-shadow:0 2px 8px #0000001a}.chess-cell.filled:not(.dragging):hover{transform:scale(1.02);box-shadow:0 2px 8px #0003;color:#fff!important;background-color:#5ba3ff!important;border-color:#5ba3ff!important}.chess-cell.drop-target.blocked,.chess-cell.drop-target.prefilled{animation:.8s ease-in-out infinite invalidDropZone}@keyframes invalidDropZone{0%,to{border-color:var(--error-color);box-shadow:0 0 0 3px #c9424a66}50%{border-color:var(--error-color);box-shadow:0 0 0 6px #c9424a33}}.letter-tile.dragging{z-index:1000;will-change:transform;transform-style:preserve-3d;opacity:.3!important;cursor:grabbing!important;transform:scale(.9)!important}.letter-tile.selected{animation:2s ease-in-out infinite selectedPulse}@keyframes selectedPulse{0%,to{box-shadow:0 0 0 3px #538d4e4d}50%{box-shadow:0 0 0 6px #538d4e1a}}.letter-tile.drag-ready,.chess-cell.drag-ready{animation:.3s ease-out dragReady}@keyframes dragReady{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1.05)}}.chess-cell.dragging{z-index:1000;will-change:transform;transform-style:preserve-3d;opacity:.5!important;cursor:grabbing!important;color:#fff!important;background-color:#4a90e2!important;border-color:#4a90e2!important;transform:scale(.95)!important}.chess-cell.draggable:not(.dragging):hover{transform:scale(1.02);box-shadow:0 0 0 2px #538d4e4d}@keyframes swapAnimation{0%{transform:scale(1)}50%{background-color:#538d4e4d;transform:scale(1.1)}to{transform:scale(1)}}.chess-cell.swap-animation{animation:.5s ease-out swapAnimation}.dragging,.dragging *{-webkit-user-select:none!important;user-select:none!important}.drag-instructions-overlay{z-index:2000;background-color:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.drag-instructions-modal{background-color:var(--bg-color);border-radius:12px;width:100%;max-width:400px;max-height:80vh;animation:.3s ease-out modalSlideIn;overflow-y:auto;box-shadow:0 20px 40px #0000004d}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.drag-instructions-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 20px 10px;display:flex}.drag-instructions-header h3{color:var(--text-color);margin:0;font-size:18px;font-weight:600}.close-button{color:var(--text-secondary);cursor:pointer;width:30px;height:30px;transition:var(--transition);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:24px;display:flex}.close-button:hover{background-color:var(--surface-color);color:var(--text-color)}.drag-instructions-content{padding:20px}.drag-instructions-content ul{margin:0;padding:0;list-style:none}.drag-instructions-content li{color:var(--text-color);padding:8px 0 8px 24px;line-height:1.4;position:relative}.drag-instructions-content li:before{content:"•";color:var(--accent-color);font-size:16px;font-weight:700;position:absolute;left:0}.touch-tip{border-left:4px solid var(--accent-color);color:var(--text-color);background-color:#538d4e1a;border-radius:4px;margin-top:16px;padding:12px;font-size:14px}.touch-tip strong{color:var(--accent-color)}.drag-instructions-footer{text-align:center;padding:10px 20px 20px}.got-it-button{background-color:var(--accent-color);color:#fff;cursor:pointer;transition:var(--transition);border:none;border-radius:6px;padding:12px 24px;font-size:14px;font-weight:600}.got-it-button:hover{background-color:#4a7c47;transform:translateY(-1px)}body.dark-mode .drag-instructions-modal{box-shadow:0 20px 40px #0009}@media (max-width:480px){.drag-instructions-overlay{padding:10px}.drag-instructions-modal{width:100%;max-width:none}.drag-instructions-header{padding:16px 16px 8px}.drag-instructions-content{padding:16px}.drag-instructions-footer{padding:8px 16px 16px}}.chess-cell.drop-target{transition:all .2s;border-color:var(--accent-color)!important;background-color:#538d4e26!important;transform:scale(1.02)!important;box-shadow:0 0 0 2px #538d4e66!important}.chess-cell.drop-invalid{border-color:var(--error-color)!important;background-color:#c9424a1a!important;box-shadow:0 0 0 2px #c9424a66!important}.chess-cell.dragging{transition:all .2s;opacity:.5!important;cursor:grabbing!important;color:#fff!important;background-color:#4a90e2!important;border-color:#4a90e2!important;transform:scale(.95)!important}.letter-tile.draggable:not(.dragging):not(.used){cursor:grab;transition:transform .2s}.letter-tile.draggable:not(.dragging):not(.used):hover{transform:translateY(-2px)}.chess-cell.draggable:not(.dragging){cursor:grab;position:relative}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.drag-drop-error-fallback,.drag-drop-fallback{text-align:center;color:var(--text-color);background-color:#ffc1071a;border:1px solid #ffc1074d;border-radius:.5rem;margin:1rem 0;padding:1rem}.retry-button{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:.25rem;margin-top:.5rem;padding:.5rem 1rem;font-size:.875rem;transition:background-color .2s}.retry-button:hover{background-color:#4a7c47}.letter-tile.can-drag{position:relative}.letter-tile.can-drag:before{content:"";border-radius:inherit;border:2px dashed #0000;transition:border-color .2s;position:absolute;inset:-2px}.letter-tile.can-drag:focus:before,.letter-tile.can-drag:hover:before{border-color:var(--accent-color)}.chess-cell.drop-target{animation:1s ease-in-out infinite alternate dropZoneHighlight}@keyframes dropZoneHighlight{0%{box-shadow:0 0 0 2px #538d4e66}to{box-shadow:0 0 0 4px #538d4e99}}.chess-cell.drop-invalid{animation:.5s ease-in-out dropZoneInvalid}@keyframes dropZoneInvalid{0%,to{box-shadow:0 0 0 2px #c9424a66}50%{box-shadow:0 0 0 4px #c9424a99}}@media (prefers-contrast:high){.letter-tile.dragging{border:3px solid var(--accent-color);background-color:var(--bg-color)}.chess-cell.drop-target{border:3px solid var(--accent-color);background-color:#538d4e33}.chess-cell.drop-invalid{border:3px solid var(--error-color);background-color:#c9424a33}}.letter-tile:focus-visible,.chess-cell:focus-visible{outline:3px solid var(--accent-color);outline-offset:2px;z-index:10}.letter-tile,.chess-cell{contain:style paint}.letter-tile.dragging,.chess-cell.dragging{will-change:transform;transform:translateZ(0)}body.dark-mode .drag-drop-error-fallback,body.dark-mode .drag-drop-fallback{background-color:#ffc10726;border-color:#ffc10766}@media (hover:none) and (pointer:coarse){[data-dnd-kit-drag-overlay]{transform-origin:bottom!important}[data-dnd-kit-drag-overlay] .letter-tile,[data-dnd-kit-drag-overlay] .chess-cell{z-index:9999!important;box-shadow:0 8px 16px #0006!important}[data-dnd-kit-drag-overlay] *{pointer-events:none!important;touch-action:none!important}.letter-tile.dragging,.chess-cell.dragging{animation:1s ease-in-out infinite alternate mobileDragPulse;opacity:.2!important;transform:scale(.85)!important}}@keyframes mobileDragPulse{0%{opacity:.2}to{opacity:.4}}body{-webkit-font-smoothing:auto;-moz-osx-font-smoothing:auto}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}