body{background:#f7f7f9;font-family:Inter,Arial,sans-serif;margin:0;color:#222;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}.app-container{min-height:100vh;display:flex;flex-direction:column;width:100%;overflow-x:hidden}header{background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:0 2px 8px #00000008;width:100%;padding:0 1rem;box-sizing:border-box}.header-content{display:flex;justify-content:center;align-items:center;padding:1rem 0;width:100%;max-width:1200px;margin:0 auto}.header-logo{height:40px;width:auto;max-width:300px;-o-object-fit:contain;object-fit:contain}header h1{font-size:2.2rem;font-weight:800;text-align:center;letter-spacing:-1px;color:#222;margin:0;padding:1rem 0;width:100%;box-sizing:border-box}.main-layout{display:flex;flex-direction:column;gap:3.5rem;max-width:1200px;margin:0 auto;width:100%;padding:2rem 1rem;box-sizing:border-box}@media (min-width: 900px){.main-layout{flex-direction:row;align-items:flex-start;gap:3.5rem}}.controls-panel{background:#fff;border-radius:1.5rem;box-shadow:0 4px 24px #0000000f;padding:2rem 1.5rem;width:100%;max-width:420px;display:flex;flex-direction:column;gap:2.2rem}.controls-panel h2{font-size:1.2rem;font-weight:700;margin-bottom:.5rem;color:#333}.input-group{display:flex;flex-direction:column;gap:1rem;margin-bottom:.5rem}input[type=text],input[type=number],select{padding:.7rem 1rem;border:1px solid #e5e7eb;border-radius:.7rem;font-size:1rem;background:#fafbfc;transition:border .2s}input[type=text]:focus,input[type=number]:focus,select:focus{border:1.5px solid #f4712f;outline:none}input[type=color]{width:2.5rem;height:2rem;border:none;background:none;cursor:pointer}input[type=range]{width:100%;accent-color:#f4712f;margin-top:.2rem}label{font-size:.98rem;color:#444;font-weight:500}.preview-panel{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;min-width:0;max-width:700px;width:100%;box-sizing:border-box}.preview-placeholder{width:100%;min-height:320px;border:2px dashed #e5e7eb;border-radius:1.2rem;background:#fff;color:#bbb;display:flex;align-items:center;justify-content:center;font-size:1.1rem;padding:2rem}.preview-image-box{width:100%;max-width:100%;background:#fff;border-radius:1.2rem;box-shadow:0 2px 12px #0000000a;padding:1.5rem;display:flex;justify-content:center;align-items:center;box-sizing:border-box}.preview-image-box svg,.preview-image-box img,.preview-image-box>div{max-width:100%;width:auto;height:auto;display:block;margin:0 auto}.download-btn{background:#f4712f;color:#fff;font-weight:600;border:none;border-radius:.7rem;padding:.9rem 2rem;font-size:1rem;margin-top:1.2rem;cursor:pointer;box-shadow:0 2px 8px #f4712f14;transition:background .2s}.download-btn:hover{background:#05102d}.overlay-config{display:flex;flex-direction:column;gap:1.5rem}.mobile-optimized{margin-bottom:0}.mobile-label{font-size:1rem;font-weight:600;color:#333;margin-bottom:.5rem;display:block}.mobile-value{font-family:"monospace";font-weight:600;color:#f4712f;background:#fff5f0;padding:.2rem .5rem;border-radius:.3rem;font-size:.9rem}.mobile-input{padding:1rem;font-size:1.1rem;border:2px solid #e5e7eb;border-radius:.8rem;background:#fafbfc;transition:all .2s ease;min-height:3rem}.mobile-input:focus{border-color:#f4712f;box-shadow:0 0 0 3px #f4712f1a;outline:none}.mobile-number-input{display:flex;align-items:center;gap:.5rem;background:#fafbfc;border:2px solid #e5e7eb;border-radius:.8rem;padding:.5rem}.mobile-number-btn{width:3rem;height:3rem;border:none;background:#f4712f;color:#fff;font-size:1.5rem;font-weight:700;border-radius:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;min-width:3rem}.mobile-number-btn:hover{background:#05102d}.mobile-number-btn:active{transform:scale(.95)}.mobile-number-field{flex:1;text-align:center;font-size:1.2rem;font-weight:600;border:none;background:transparent;padding:.5rem;min-height:3rem}.mobile-number-field:focus{outline:none}.mobile-slider-container{display:flex;flex-direction:column;gap:.5rem}.mobile-slider{width:100%;height:.5rem;border-radius:.25rem;background:#e5e7eb;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.mobile-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:1.5rem;height:1.5rem;border-radius:50%;background:#f4712f;cursor:pointer;box-shadow:0 2px 4px #0003}.mobile-slider::-moz-range-thumb{width:1.5rem;height:1.5rem;border-radius:50%;background:#f4712f;cursor:pointer;border:none;box-shadow:0 2px 4px #0003}.mobile-slider-labels{display:flex;justify-content:space-between;font-size:.8rem;color:#666;margin-top:.5rem}.mobile-select{padding:1rem;font-size:1.1rem;border:2px solid #e5e7eb;border-radius:.8rem;background:#fafbfc;transition:all .2s ease;min-height:3rem;cursor:pointer}.mobile-select:focus{border-color:#f4712f;box-shadow:0 0 0 3px #f4712f1a;outline:none}.mobile-color-container{display:flex;align-items:center;gap:1rem;background:#fafbfc;border:2px solid #e5e7eb;border-radius:.8rem;padding:.5rem}.mobile-color-input{width:3rem;height:3rem;border:none;border-radius:.5rem;cursor:pointer;background:none;padding:0}.mobile-color-input::-webkit-color-swatch-wrapper{padding:0;border-radius:.5rem}.mobile-color-input::-webkit-color-swatch{border:none;border-radius:.5rem}.mobile-color-value{font-family:"monospace";font-weight:600;color:#333;font-size:1rem}@media (max-width: 900px){.controls-panel,.preview-panel{max-width:100%}.preview-image-box{padding:.5rem;max-width:100vw}.preview-image-box svg,.preview-image-box img,.preview-image-box>div{max-width:100vw;height:auto}}@media (max-width: 600px){.controls-panel{padding:1.2rem .5rem;gap:1.2rem}.input-group{gap:.7rem}.overlay-config{gap:1.2rem}.mobile-label{font-size:.95rem}.mobile-input,.mobile-select{font-size:1rem;min-height:2.8rem}.mobile-number-btn{width:2.8rem;height:2.8rem;font-size:1.3rem}.mobile-number-field{font-size:1.1rem;min-height:2.8rem}.mobile-color-input{width:2.8rem;height:2.8rem}.mobile-slider::-webkit-slider-thumb{width:1.3rem;height:1.3rem}.mobile-slider::-moz-range-thumb{width:1.3rem;height:1.3rem}}@media (hover: none) and (pointer: coarse){.mobile-input,.mobile-select,.mobile-number-btn,.mobile-color-input{min-height:3.5rem}.mobile-number-btn{width:3.5rem;height:3.5rem;font-size:1.8rem}.mobile-slider::-webkit-slider-thumb{width:2rem;height:2rem}.mobile-slider::-moz-range-thumb{width:2rem;height:2rem}.mobile-download-btn{min-height:3.5rem!important;font-size:1.1rem!important;padding:1rem 2rem!important;border-radius:.8rem!important;box-shadow:0 4px 12px #05102d33!important}.mobile-download-btn:active{transform:scale(.98);box-shadow:0 2px 8px #6366f14d!important}}@media (max-width: 480px){header h1{font-size:1.6rem;padding:.5rem 0;line-height:1.2}.main-layout{padding:.8rem .3rem;gap:1.5rem}.controls-panel{padding:.8rem .6rem;gap:1rem;margin:0}.controls-panel h2{font-size:1rem;margin-bottom:.3rem}.overlay-config{gap:.8rem}.mobile-label{font-size:.85rem;margin-bottom:.3rem}.mobile-value{font-size:.75rem;padding:.1rem .3rem}.preview-placeholder{min-height:200px;font-size:.9rem;padding:1rem}.mobile-input,.mobile-select{font-size:16px;min-height:2.5rem;padding:.6rem .8rem}.mobile-number-btn{width:2.5rem;height:2.5rem;font-size:1.2rem}.mobile-number-field{font-size:1rem;min-height:2.5rem}.mobile-color-input{width:2.5rem;height:2.5rem}.mobile-slider::-webkit-slider-thumb{width:1.2rem;height:1.2rem}.mobile-slider::-moz-range-thumb{width:1.2rem;height:1.2rem}.mobile-preview-container{margin-bottom:.8rem}.mobile-preview-header,.mobile-preview-content{padding:.8rem}.mobile-cancel-btn{font-size:.9rem;padding:.4rem .8rem}.mobile-download-btn-header{font-size:.8rem;padding:.4rem .8rem;min-height:2.2rem}}@media (max-width: 360px){header h1{font-size:1.4rem;padding:.4rem 0}.header-content{padding:.6rem 0}.header-logo{height:28px;max-width:200px}.main-layout{padding:.5rem .2rem;gap:1rem}.controls-panel{padding:.6rem .4rem;gap:.8rem}.mobile-input,.mobile-select{font-size:16px;min-height:2.2rem;padding:.5rem .6rem}.mobile-number-btn{width:2.2rem;height:2.2rem;font-size:1.1rem}.mobile-number-field{font-size:.9rem;min-height:2.2rem}.mobile-color-input{width:2.2rem;height:2.2rem}}@media (max-width: 768px){html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{min-width:320px;overflow-x:hidden}.app-container{width:100vw;max-width:100vw;overflow-x:hidden}header{width:100vw;max-width:100vw;padding:0 .5rem;margin:0}header h1{font-size:1.6rem;padding:.8rem 0;width:100%;max-width:100%;word-wrap:break-word;overflow-wrap:break-word}.header-content{padding:.8rem 0}.header-logo{height:32px;max-width:250px}.main-layout{width:100vw;max-width:100vw;padding:1rem .5rem;margin:0;gap:1.5rem;box-sizing:border-box}.controls-panel{width:100%;max-width:100%;margin:0;padding:1rem .8rem;border-radius:1rem;box-sizing:border-box}.preview-image-box{transition:none}.mobile-input,.mobile-select,.mobile-number-btn,.mobile-color-input,.mobile-slider{-webkit-tap-highlight-color:transparent}.mobile-download-btn{min-height:3.5rem!important;font-size:1.1rem!important;padding:1rem 2rem!important;border-radius:.8rem!important;box-shadow:0 4px 12px #05102d33!important}.mobile-download-btn:active{transform:scale(.98);box-shadow:0 2px 8px #6366f14d!important}.mobile-preview-container{background:#fff;border-radius:1rem;box-shadow:0 4px 24px #0000000f;overflow:hidden;margin-bottom:1rem;width:100%;max-width:100%;box-sizing:border-box}.mobile-preview-header{background:#f8f9fa;border-bottom:1px solid #e5e7eb;padding:1rem;display:flex;align-items:center;justify-content:space-between;width:100%;box-sizing:border-box}.mobile-cancel-btn{background:none;border:none;color:#f4712f;font-weight:600;font-size:1rem;cursor:pointer;padding:.5rem 1rem;border-radius:.5rem;transition:background .2s;display:flex;align-items:center;gap:.5rem}.mobile-cancel-btn:hover{background:rgba(5,16,45,.1)}.mobile-cancel-btn:active{transform:scale(.95)}.mobile-download-btn-header{background:#f4712f;color:#fff;border:none;border-radius:.5rem;padding:.5rem 1rem;font-weight:600;font-size:.9rem;cursor:pointer;transition:background .2s;min-height:2.5rem}.mobile-download-btn-header:hover{background:#05102d}.mobile-download-btn-header:active{transform:scale(.95)}.mobile-download-btn-header:disabled{background:#9ca3af;cursor:not-allowed}.mobile-preview-content{padding:1rem;background:#fff;width:100%;box-sizing:border-box}.mobile-preview-content .preview-image-box{padding:.5rem;border-radius:.8rem;box-shadow:none;background:#fafbfc;width:100%;max-width:100%;box-sizing:border-box}.preview-panel{display:none}.controls-panel{max-width:100%;width:100%}.main-layout{flex-direction:column;gap:2rem}.image-uploader-area{width:100%;max-width:100%;box-sizing:border-box;margin:0 0 1rem}.mobile-input,.mobile-select,.mobile-number-input,.mobile-color-container{width:100%;max-width:100%;box-sizing:border-box}}