:root{--primary-color:#2d4059;--secondary-color:#ea5455;--tertiary-color:#decdc3;--dark-color:#222831;--light-color:#f5f5f5;--shadow:0 8px 30px rgba(0,0,0,.12);--card-shadow:0 4px 20px rgba(0,0,0,.08);--transition:all 0.3s cubic-bezier(0.25,0.8,0.25,1);--border-radius:12px}*{box-sizing:border-box;margin:0;padding:0}html{height:100%}body,html{overflow-x:hidden;width:100%}body{background-color:var(--light-color);color:var(--dark-color);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;margin:0;min-height:100%}.app-container{margin:0 auto;max-width:1440px;padding:0 20px}.content{display:grid;gap:40px;grid-template-columns:1fr 1fr;padding:30px 0}.centered{flex:auto;justify-content:center;margin-left:auto;margin-right:auto;text-align:center}.centered,header{align-items:center;display:flex}header{border-bottom:1px solid rgba(0,0,0,.05);justify-content:space-between;padding:24px 0}.brand{gap:12px;text-decoration:none}.brand,.logo{align-items:center;display:flex}.logo{background:linear-gradient(135deg,var(--secondary-color),#f07b3f);border-radius:8px;color:#fff;font-size:18px;font-weight:700;height:40px;justify-content:center;width:40px}.brand-name{color:var(--dark-color);font-size:22px;font-weight:700}nav ul{display:flex;gap:30px;list-style:none}nav li a{color:var(--dark-color);font-size:16px;font-weight:500;padding-bottom:4px;position:relative;text-decoration:none}nav li a:after{background-color:var(--secondary-color);bottom:0;content:"";height:2px;left:0;position:absolute;transition:width .3s ease;width:0}nav li a:hover:after{width:100%}.puzzle-section{align-items:center;display:flex;flex-direction:column}.section-title{color:var(--dark-color);font-size:32px;font-weight:800;margin-bottom:30px;position:relative;text-align:center}.section-title:after{background-color:var(--secondary-color);bottom:-10px;content:"";height:3px;left:50%;position:absolute;transform:translateX(-50%);width:60px}.gridContainer{box-shadow:var(--shadow);height:calc(50vh - 10vw);margin:0 auto 30px;max-height:40vw;max-width:40vw;min-height:35vh;min-width:35vh;overflow:hidden;padding:0;width:calc(50vh - 10vw)}.grid,.gridContainer{border-radius:var(--border-radius)}.grid{background-color:rgba(0,0,0,.05);display:grid;gap:4px;grid-auto-columns:1fr;grid-auto-rows:1fr;height:100%}.grid-item{align-items:center;background-size:inherit;cursor:pointer;display:flex;font-size:inherit;font-weight:700;justify-content:center;margin:0;overflow:hidden;padding:0;position:relative;text-align:center;transition:transform .2s ease;user-select:none;-moz-user-select:-moz-none;-khtml-user-select:none;-webkit-user-select:none;-ms-user-select:none}.grid-item:hover{transform:scale(.98)}.grid-item:before{background-position:inherit;background-repeat:no-repeat;background-size:inherit;content:"";height:100%;position:absolute;width:100%;z-index:-1}.control-panels{display:flex;flex-direction:column;gap:20px;width:100%}.panel{background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--card-shadow);padding:24px}.panel-header{align-items:center;display:flex;margin-bottom:20px}.panel-icon{color:var(--secondary-color);height:24px;margin-right:12px;width:24px}.panel-title{font-size:18px}.panel-subheader,.panel-title{color:var(--dark-color);font-weight:600}.panel-subheader{font-size:16px;margin:20px 0 15px}.control-item{margin-bottom:16px}.stats-content{color:#666;font-size:14px;line-height:1.8}.stats-content p{margin-bottom:8px}.stats-content strong{color:var(--primary-color);font-weight:600}.buttons{align-items:center;border:none;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);box-sizing:border-box;cursor:pointer;display:flex;font-family:inherit;justify-content:center;margin:min(1vh,1.5vw);position:relative;text-align:center;transition:var(--transition)}.fontButtons{color:#fff;font-size:max(2.5vh,1vw);font-weight:600;letter-spacing:.02em;padding:min(.8vh,1.2vw) min(1.5vh,2vw)}.svgButtons{align-items:center;display:flex;height:max(4vh,1.2vw);justify-content:center;padding:.5em;width:max(4vh,1.2vw)}.buttons:active{box-shadow:0 1px 2px rgba(0,0,0,.1);transform:translateY(2px)}.buttons:hover{box-shadow:0 4px 8px rgba(0,0,0,.15);opacity:.95;transform:translateY(-1px)}.buttons:focus{box-shadow:0 0 0 3px rgba(234,84,85,.3),0 2px 4px rgba(0,0,0,.1);outline:none}.btn-icon{font-size:16px;margin-right:8px}.buttonsRow1{background-color:var(--primary-color);color:#fff}.buttonsRow2{background-color:var(--secondary-color);color:#fff}.buttonsRow3{background-color:#f07b3f;color:#fff}.algorithmsDropdown{appearance:none;background-color:#fff;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath fill='%23444' d='M4 6h8l-4 5z'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;border:1px solid #ddd;border-radius:8px;font-size:2vh;margin:min(1vh,1.5vw);padding:.9vh 30px .9vh 1.5vh}.algorithmsDropdown:focus{border-color:var(--secondary-color);box-shadow:0 0 0 3px rgba(234,84,85,.3);outline:none}.editInputsContainer{align-items:center;justify-content:center;text-align:center;width:100%}.editTitle{color:var(--dark-color);font-size:18px;font-weight:600;margin-bottom:15px}.dimension-controls{display:flex;flex-direction:column;gap:15px;margin:20px 0;width:100%}.dimensionInput{align-items:center;display:grid;gap:25px;grid-template-columns:110px 60px 1fr;margin-bottom:15px;margin-top:1vh;width:100%}.inputs{font-size:calc(4.5vmin - 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110px)}.imageInputURL:focus{border-color:var(--secondary-color);box-shadow:0 0 0 3px rgba(234,84,85,.3);outline:none}.integrated-output-area{margin-top:20px;padding-top:15px}.output-section{margin-bottom:15px}.output-title{color:var(--primary-color);font-size:16px;font-weight:600;margin-bottom:8px}.output-content{background-color:#f8f9fa;border:1px solid #e9ecef;border-radius:var(--border-radius);cursor:default;font-family:Fira Mono,monospace;font-size:14px;max-height:170px;overflow-y:auto;padding:12px;white-space:pre-wrap}.summary-output{margin-bottom:15px}.solution-output{max-height:250px}.outputAreaContainer{display:flex;flex-direction:column;width:100%}.solutionOutput,.summaryOutput{width:100%}.info-section{background-color:#fff;padding:60px 0}.info-section:nth-child(2n){background-color:#f8f9fa}.container{margin:0 auto;max-width:1200px;padding:0 20px}.info-section h2{color:var(--dark-color);font-size:32px;font-weight:800;margin-bottom:40px;position:relative;text-align:center}.info-section h2:after{background-color:var(--secondary-color);bottom:-15px;content:"";height:3px;left:50%;position:absolute;transform:translateX(-50%);width:60px}.info-content{display:flex;flex-wrap:wrap;gap:30px;justify-content:center}.info-item{background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--card-shadow);flex:1;max-width:350px;min-width:250px;padding:30px;transition:var(--transition)}.info-item:hover{box-shadow:0 12px 30px rgba(0,0,0,.1);transform:translateY(-5px)}.info-item h3{color:var(--primary-color);font-size:20px;font-weight:700;margin-bottom:15px}.info-item p{color:#666;line-height:1.7}.faq-content{margin:0 auto;max-width:800px}.faq-item{background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--card-shadow);margin-bottom:20px;padding:25px}.faq-item h3{color:var(--primary-color);font-size:18px;font-weight:700;margin-bottom:15px}.faq-item p{color:#666;line-height:1.7}.footer{background-color:var(--primary-color);color:#fff;padding:60px 0 30px}.footer-container{display:flex;flex-wrap:wrap;justify-content:space-between;margin:0 auto;max-width:1200px;padding:0 20px}.footer-column{flex:1;margin-bottom:30px;min-width:200px;padding:0 15px}.footer-column h3{font-size:18px;font-weight:700;margin-bottom:20px;padding-bottom:10px;position:relative}.footer-column h3:after{background-color:var(--secondary-color);bottom:0;content:"";height:2px;left:0;position:absolute;width:30px}.footer-column p{color:hsla(0,0%,100%,.7);font-size:14px;line-height:1.6;margin-bottom:15px}.footer-links{list-style:none}.footer-links li{margin-bottom:12px}.footer-links a{color:hsla(0,0%,100%,.8);font-size:14px;text-decoration:none;transition:color .2s}.footer-links a:hover{color:#fff}.footer-bottom{align-items:center;border-top:1px solid hsla(0,0%,100%,.1);color:hsla(0,0%,100%,.7);display:flex;flex-wrap:wrap;font-size:14px;justify-content:space-between;margin:30px auto 0;max-width:1200px;padding:20px 20px 0;text-align:center}.social-icons{display:flex;gap:15px}.social-icons a{color:hsla(0,0%,100%,.8);transition:color .2s}.social-icons a:hover{color:#fff}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:textfield;-moz-appearance:textfield;appearance:textfield;opacity:1}@media (max-width:992px){.content{grid-template-columns:1fr}.panel{margin-bottom:20px}.gridContainer{height:320px;max-height:90vw;max-width:90vw;min-height:auto;min-width:auto;width:320px}.section-title{font-size:28px}}@media (max-width:768px){header{flex-direction:column;gap:15px}nav ul{gap:20px;justify-content:center;margin-top:10px}.content{padding:20px 0}.footer-container{flex-direction:column}.footer-column{margin-bottom:40px}.footer-bottom{flex-direction:column;gap:20px}.social-icons{justify-content:center}.outputAreaContainer{flex-direction:column;height:auto}.outputArea{margin:0 0 15px;width:100%}}@media (max-width:576px){.gridContainer{height:280px;min-height:280px;min-width:280px;width:280px}.brand-name{font-size:18px}.logo{height:36px;width:36px}nav ul{flex-wrap:wrap;gap:15px}.fontButtons{font-size:14px;padding:8px 12px}.panel{padding:15px}.panel-title{font-size:16px}.dimension-controls{gap:10px}.dimensionInput{flex-wrap:wrap}.algorithmsDropdown{font-size:14px;margin-top:10px;width:100%}.image-input-group{align-items:stretch;flex-direction:column}.imageInputURL{width:100%}}