:root{--primary-color: #168060;--primary-dark: #116249;--accent-color: #e67e22;--light-bg: #f8f9fa;--dark-text: #212529;--light-text: #f8f9fa;--border-color: #dee2e6;--app-max-width: 650px;--shadow: 0 4px 20px rgba(0, 0, 0, .1);--error-color: #e74c3c;--success-color: #2ecc71}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Roboto,Helvetica Neue,sans-serif;background:linear-gradient(135deg,#f8f9fa,#e9ecef);color:var(--dark-text);min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:20px;line-height:1.6}#appContainer{width:100%;max-width:var(--app-max-width);background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden;position:relative;display:flex;flex-direction:column;height:100vh;max-height:100vh}.view{display:none;flex-direction:column;height:calc(100vh - 80px);max-height:calc(100vh - 80px);padding:10px;opacity:0;transition:opacity .3s ease;overflow-y:auto}.view.active-view{display:flex;opacity:1}.view-header{display:flex;align-items:center;margin-bottom:0;padding-bottom:5px;border-bottom:1px solid var(--border-color)}.view-header h2{font-size:1.5rem;font-weight:600;margin:0 auto;color:var(--primary-color)}.back-button{background:transparent;border:none;color:var(--primary-color);padding:5px;cursor:pointer;font-size:1.1rem;transition:transform .2s}.back-button:hover{transform:translate(-3px)}.view-content{flex:1;display:flex;flex-direction:column;min-height:0;padding:15px;box-sizing:border-box;gap:15px}.center-content{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;flex:1;min-height:0;padding:20px 0}.app-icon{width:90px;height:90px;margin-bottom:20px;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);border-radius:20px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:2.5rem;box-shadow:0 4px 15px #16806033}.thank-you-content{text-align:center}.thank-you-icon{width:100px;height:100px;background:var(--success-color);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 25px;color:#fff;font-size:3rem}.feature-links{display:flex;justify-content:center;gap:20px;margin:30px 0}.feature-link{display:flex;flex-direction:column;align-items:center;text-decoration:none;color:var(--dark-text);transition:transform .3s}.feature-link:hover{transform:translateY(-5px);color:var(--primary-color)}.feature-icon{width:60px;height:60px;background:var(--light-bg);border-radius:15px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;font-size:1.5rem;color:var(--primary-color)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.skip-link{position:absolute;top:-40px;left:6px;background:var(--primary-color);color:#fff;padding:8px;text-decoration:none;border-radius:0 0 4px 4px;z-index:1000;transition:top .3s}.skip-link:focus{top:0}.progress-container{padding:15px 20px 10px;background:#fff;border-bottom:1px solid var(--border-color)}.progress-steps{display:flex;justify-content:space-between;position:relative;padding:0 10px}.progress-steps:before{content:"";position:absolute;top:50%;left:10px;right:10px;height:4px;background-color:#e0e0e0;transform:translateY(-50%);z-index:1}.progress-bar{position:absolute;top:50%;left:10px;right:10px;height:4px;background-color:var(--primary-color);transform:translateY(-50%);z-index:2;transition:width .4s ease;width:0%}.step{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;width:70px}.step-icon{width:40px;height:40px;border-radius:50%;background:#e0e0e0;display:flex;align-items:center;justify-content:center;margin-bottom:5px;color:#777;font-weight:700;transition:all .3s ease}.step.active .step-icon{background:var(--primary-color);color:#fff;box-shadow:0 4px 8px #1680604d}.step.completed .step-icon{background:var(--success-color);color:#fff}.step-label{font-size:12px;text-align:center;color:#6c757d;font-weight:500}.step.active .step-label{color:var(--primary-color);font-weight:600}.btn-primary{background-color:var(--primary-color);border:none;padding:12px 24px;font-size:1.1rem;font-weight:600;border-radius:50px;transition:all .3s ease;box-shadow:0 4px 10px #16806040;color:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.btn-primary:hover,.btn-primary:focus{background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 15px #1680604d}.btn-primary:disabled{background-color:var(--primary-color);cursor:not-allowed;transform:none;box-shadow:none;opacity:.65}.btn-primary.keyboard-focused,.btn-outline.keyboard-focused{outline:2px solid var(--primary-color);outline-offset:2px}.btn-outline{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color);padding:10px 20px;font-weight:600;border-radius:50px;transition:all .3s ease;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.btn-outline:hover{background-color:var(--primary-color);color:#fff}.btn-outline:disabled{background-color:#e0e0e0;border-color:#ccc;color:#999;cursor:not-allowed}.btn-outline:disabled:hover{background-color:#e0e0e0;border-color:#ccc;color:#999;transform:none}.camera-btn{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;border:none;box-shadow:0 4px 15px #0003;cursor:pointer;transition:all .2s ease}.camera-btn:hover{transform:scale(1.05)}.btn-capture{width:80px;height:80px;background:var(--primary-color)}.btn-capture:hover{background:var(--primary-dark)}.camera-btn i{font-size:1.5rem;color:var(--dark-text)}.btn-capture i{color:#fff}.btn-retake{background-color:#e74c3c;color:#fff}.btn-retake:hover{background-color:#c0392b}.form-container{display:flex;flex-direction:column;gap:10px;height:100%;justify-content:space-between}.form-group{margin-bottom:20px}.form-label{font-weight:600;margin-bottom:8px;display:block;color:var(--dark-text)}.form-control{width:100%;padding:12px 15px;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;transition:border-color .3s}.form-control:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #1680601a}.form-control.keyboard-focused{outline:2px solid var(--primary-color);outline-offset:2px}.form-select{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");background-position:right .75rem center;background-size:16px 12px;background-repeat:no-repeat;padding-right:2.5rem}.invalid-feedback{color:var(--error-color);font-size:.85rem;margin-top:5px;display:none}.valid-feedback{color:var(--success-color);font-size:.85rem;margin-top:5px;display:none}.was-validated .form-control:invalid,.form-control.is-invalid{border-color:var(--error-color)}.was-validated .form-control:valid,.form-control.is-valid{border-color:var(--success-color)}.was-validated .form-control:invalid~.invalid-feedback,.form-control.is-invalid~.invalid-feedback{display:block}.was-validated .form-control:valid~.valid-feedback,.form-control.is-valid~.valid-feedback{display:block}.form-check{margin-top:15px}.validation-icon{margin-left:10px;font-size:1.2rem}.collection-selector{display:flex;flex-direction:column;gap:8px;width:100%}.collection-card{width:100%;border:2px solid #e1e1e1;border-radius:12px;padding:8px 12px;text-align:center;cursor:pointer;transition:all .3s ease;background:#fafafa;min-height:40px;display:flex;align-items:center;justify-content:center}.collection-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000000f;border-color:var(--primary-color)}.collection-card.selected{border-color:var(--primary-color);background:#f0f8f5}.collection-card h4{color:var(--primary-color);margin:0;font-size:1.1rem;font-weight:600}.navigation-buttons{margin-top:10px}.navigation-buttons .btn{width:100%}.carousel-container{margin:5px 0;overflow:visible;padding:5px;min-height:120px;background:#fafafa;border-radius:8px;border:1px solid #f0f0f0;display:flex;flex-direction:column;gap:8px;position:relative}.style-carousel{position:relative;width:100%}.style-carousel__container{display:flex!important;flex-direction:row!important;flex-wrap:nowrap!important;gap:8px;padding:0 8px;width:100%;-webkit-box-orient:horizontal!important;-webkit-box-direction:normal!important}.style-carousel__container::-webkit-scrollbar{display:none}.style-carousel__slide{flex:0 0 auto;min-width:0;display:flex;flex-direction:column}.traditional-style-item{flex:0 0 120px;padding:8px 6px;border:2px solid #e1e1e1;border-radius:10px;text-align:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);background:#fff;margin:0;box-shadow:0 2px 8px #00000014;position:relative;overflow:hidden}.traditional-style-item:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#16806005,#1680600d);opacity:0;transition:opacity .3s ease}.traditional-style-item:hover{border-color:var(--primary-color);transform:translateY(-4px) scale(1.02);box-shadow:0 6px 20px #16806026}.traditional-style-item:hover:before{opacity:1}.traditional-style-item.selected{border-color:var(--primary-color);background:linear-gradient(135deg,#f0f8f5,#e8f5e8);transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #16806033}.traditional-style-item.selected:before{opacity:1;background:linear-gradient(135deg,#16806014,#1680601f)}.traditional-style-item img{width:100%;height:auto;border-radius:6px;margin-bottom:6px;transition:transform .3s ease}.traditional-style-item:hover img{transform:scale(1.05)}.traditional-style-item.selected img{transform:scale(1.1)}.traditional-style-item .label{font-size:.75rem;font-weight:500;white-space:normal;overflow:hidden;text-overflow:ellipsis;line-height:1.2;padding:0 2px;color:#333;transition:color .3s ease}.traditional-style-item.selected .label{color:var(--primary-color);font-weight:600}.traditional-color-item{flex:0 0 100px;padding:6px 4px;border:2px solid #e1e1e1;border-radius:8px;text-align:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);background:#fff;margin:0;box-shadow:0 2px 8px #00000014;position:relative;overflow:hidden}.traditional-color-item:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#16806005,#1680600d);opacity:0;transition:opacity .3s ease}.traditional-color-item:hover{border-color:var(--primary-color);transform:translateY(-4px) scale(1.02);box-shadow:0 6px 20px #16806026}.traditional-color-item:hover:before{opacity:1}.traditional-color-item.selected{border-color:var(--primary-color);background:linear-gradient(135deg,#f0f8f5,#e8f5e8);transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #16806033}.traditional-color-item.selected:before{opacity:1;background:linear-gradient(135deg,#16806014,#1680601f)}.traditional-color-item img{width:100%;height:auto;border-radius:6px;margin-bottom:6px;transition:transform .3s ease}.traditional-color-item:hover img{transform:scale(1.05)}.traditional-color-item.selected img{transform:scale(1.1)}.traditional-color-item .label{font-size:.7rem;font-weight:500;white-space:normal;overflow:hidden;text-overflow:ellipsis;line-height:1.1;padding:0 2px;color:#333;transition:color .3s ease}.traditional-color-item.selected .label{color:var(--primary-color);font-weight:600}.modern-color-item{flex:0 0 100px;padding:6px 4px;border:2px solid #e1e1e1;border-radius:8px;text-align:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);background:#fff;margin:0;box-shadow:0 2px 8px #00000014;position:relative;overflow:hidden}.modern-color-item:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#16806005,#1680600d);opacity:0;transition:opacity .3s ease}.modern-color-item:hover{border-color:var(--primary-color);transform:translateY(-4px) scale(1.02);box-shadow:0 6px 20px #16806026}.modern-color-item:hover:before{opacity:1}.modern-color-item.selected{border-color:var(--primary-color);background:linear-gradient(135deg,#f0f8f5,#e8f5e8);transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #16806033}.modern-color-item.selected:before{opacity:1;background:linear-gradient(135deg,#16806014,#1680601f)}.modern-color-item img{width:100%;height:auto;border-radius:6px;margin-bottom:6px;transition:transform .3s ease}.modern-color-item:hover img{transform:scale(1.05)}.modern-color-item.selected img{transform:scale(1.1)}.modern-color-item .label{font-size:.7rem;font-weight:500;white-space:normal;overflow:hidden;text-overflow:ellipsis;line-height:1.1;padding:0 2px;color:#333;transition:color .3s ease}.modern-color-item.selected .label{color:var(--primary-color);font-weight:600}#styleCarousel .traditional-style-item img{max-width:50%;height:auto;margin:0 auto 5px}#colorCarousel .traditional-color-item{min-width:55px}#colorCarousel .traditional-color-item img{width:8vw;height:8vw;max-width:45px;max-height:45px;min-width:30px;min-height:30px;object-fit:cover;margin:0 auto 4px;border-radius:2px}#modernColorCarousel .modern-color-item img{width:60px;height:60px;object-fit:cover;border-radius:4px;margin:0 auto 6px;display:block}.traditional-style-carousel .style-carousel__container{padding:8px}.traditional-color-carousel .style-carousel__container,.modern-color-carousel .style-carousel__container{padding:12px 8px}.carousel-header{color:var(--primary-color);margin-bottom:10px;font-size:1.15rem;font-weight:600;display:flex;align-items:center;gap:8px}.collection-card{transition:all .3s cubic-bezier(.4,0,.2,1)}.collection-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px #0000001a}.collection-card.selected{border-color:var(--primary-color);background:linear-gradient(135deg,#f0f8f5,#e8f5e8);transform:scale(1.02);box-shadow:0 4px 15px #16806040}.collection-card.selected h4{color:var(--primary-dark)}.visualizer-area{height:300px;background:#f8f9fa;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:25px 0;border:2px dashed #e1e1e1;overflow:hidden;position:relative}.visualizer-content{text-align:center;color:#666}.visualizer-content h3{color:var(--primary-color);margin-bottom:10px}.visualizer-image{max-width:100%;max-height:100%;object-fit:contain}.visualizer-selection-title{background:var(--primary-color);color:#fff;padding:15px;text-align:center;font-size:1.1rem}.selection-summary{background:#f0f8f5;border-left:3px solid var(--primary-color);padding:12px;border-radius:0 6px 6px 0;margin:20px 0}.selection-summary h4{color:var(--primary-color);margin-bottom:8px;font-size:1rem}.selection-summary p{margin:3px 0;font-size:.85rem;line-height:1.2}.visualizer-section{flex:1;min-height:150px;max-height:200px;margin:15px 0;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px #00000014}.traditional-visualizer-area,.modern-visualizer-area{height:100%;min-height:120px}.visualizer-header{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:#fff;padding:15px 20px;display:flex;flex-direction:column;gap:8px}.visualizer-title{font-size:1.2rem;font-weight:600;margin:0}.selection-indicator{background:#ffffff26;border-radius:8px;padding:8px 12px;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.selection-text{font-size:.9rem;font-weight:500;display:flex;align-items:center;gap:8px}.selection-text:before{content:"";font-family:"Font Awesome 6 Free";font-weight:400;font-size:.8rem}.preview-placeholder{text-align:center;color:#666;padding:20px 15px}.preview-icon{font-size:2.5rem;color:#ddd;margin-bottom:10px;display:block}.preview-placeholder p{font-size:1rem;font-weight:500;margin-bottom:5px;color:var(--primary-color)}.preview-placeholder small{color:#888;font-size:.8rem}.selection-complete .selection-text{color:#e8f5e8}.selection-complete .selection-text:before{content:"";color:#4ade80;font-weight:900}.dynamic-visualizer-section{margin-top:20px;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px #00000014;background:#fff}.dynamic-visualizer-section .traditional-visualizer-area,.dynamic-visualizer-section .modern-visualizer-area{min-height:150px;padding:20px;background:#f8f9fa}.dynamic-visualizer-section .traditional-visualizer-content,.dynamic-visualizer-section .modern-visualizer-content{text-align:center;color:#666}.dynamic-visualizer-section .preview-placeholder{padding:30px 20px}.dynamic-visualizer-section .preview-icon{font-size:3rem;color:#ddd;margin-bottom:15px}.dynamic-visualizer-section .preview-placeholder p{font-size:1.1rem;font-weight:500;margin-bottom:8px;color:var(--primary-color)}.dynamic-visualizer-section .preview-placeholder small{color:#888;font-size:.9rem}.photo-review-container{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f0f0f0;border-radius:12px;margin-bottom:20px;box-shadow:0 4px 15px #0000001a;padding:15px;min-height:250px;max-height:80vh;overflow:visible}.photo-preview-container{flex:1;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;background:#f0f0f0;border-radius:12px;margin-bottom:15px;box-shadow:0 4px 15px #0000001a;padding:10px;min-height:200px;overflow:visible}#photoPreview{width:100%;height:auto;max-width:100%;max-height:65vh;object-fit:contain;object-position:center;display:block;border-radius:8px;box-shadow:0 2px 8px #0000001a}.photo-actions{display:flex;gap:15px;justify-content:center;margin-top:15px;padding-top:15px;border-top:1px solid #e0e0e0;width:100%}.view-content p.text-center{margin:15px 0;font-size:1.1rem;font-weight:500;color:var(--dark-text);text-align:center;line-height:1.4}.fullscreen-camera{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000;z-index:1000;display:flex;flex-direction:column;justify-content:center;align-items:center}.camera-wrapper{width:100%;height:100%;display:flex;justify-content:center;align-items:center;position:relative;overflow:hidden}#cameraFeed{width:100%;height:100%;object-fit:cover;transform-origin:center;transition:transform .1s}.camera-overlay-message{position:absolute;top:70px;left:0;right:0;text-align:center;background:#168060d9;color:#fff;padding:15px;font-size:1rem;z-index:10;max-width:90%;margin:0 auto;border-radius:10px;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}.camera-controls{position:absolute;bottom:12%;left:0;right:0;display:flex;justify-content:center;align-items:center;gap:15px;z-index:10;height:100px}.exit-fullscreen{position:absolute;top:20px;left:20px;z-index:11;color:#fff;background:#168060cc;border:1px solid rgba(255,255,255,.5);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s}.exit-fullscreen:hover{transform:scale(1.1)}.loading-overlay{position:absolute;inset:0;background:#ffffffe6;display:flex;align-items:center;justify-content:center;z-index:100;flex-direction:column;display:none}.loading-spinner{width:50px;height:50px;border:5px solid rgba(22,128,96,.2);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}.loading-spinner-enhanced{width:50px;height:50px;position:relative;margin-bottom:20px}.loading-spinner-enhanced div{position:absolute;width:100%;height:100%;border:5px solid transparent;border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s cubic-bezier(.5,.5,.5,.5) infinite}.loading-spinner-enhanced div:nth-child(1){animation-delay:-.15s}.loading-spinner-enhanced div:nth-child(2){animation-delay:-.3s}.skeleton{background:linear-gradient(90deg,#e0e0e0 25%,#d0d0d0,#e0e0e0 75%);background-size:200% 100%;animation:loading 1.5s infinite;border-radius:4px;opacity:.9}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:16px;margin-bottom:8px;border-radius:8px}.skeleton-title{height:24px;margin-bottom:16px;border-radius:12px}.skeleton-button{height:40px;border-radius:20px}.skeleton-image{height:200px;border-radius:12px}.skeleton-form-group{height:60px;margin-bottom:20px;border-radius:10px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:1.1rem;font-weight:600;color:var(--primary-color)}.upload-progress-container{width:80%;max-width:300px;margin-top:20px;display:none}.upload-progress-bar{width:100%;height:8px;background:#e0e0e0;border-radius:4px;overflow:hidden}.upload-progress-fill{width:0%;height:8px;background:var(--primary-color);border-radius:4px;transition:width .3s ease}.upload-progress-text{margin-top:8px;font-size:.9rem;color:var(--dark-text)}@media (max-width: 768px){body{padding:10px}#appContainer{min-height:95vh}.step{width:60px}.step-icon{width:36px;height:36px;font-size:.9rem}.view{padding:15px}.app-icon{width:80px;height:80px;font-size:2rem}.camera-btn{width:55px;height:55px}.btn-capture{width:70px;height:70px}.collection-selector{flex-direction:column;gap:15px}#colorCarousel .traditional-color-item img{width:10vw;height:10vw;max-width:40px;max-height:40px}}@media (max-width: 480px){.step-label{font-size:10px}.view-header h2{font-size:1.3rem}.camera-overlay-message{font-size:.85rem;top:55px;padding:8px}.camera-controls{bottom:18%}#colorCarousel .traditional-color-item img{width:12vw;height:12vw;max-width:35px;max-height:35px}}.orientation-guidance{position:fixed;top:0;left:0;width:100%;height:100%;background:#168060f2;color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;z-index:2000;padding:20px;display:none}.orientation-guidance i{font-size:3rem;margin-bottom:20px}.orientation-guidance p{font-size:1.3rem;max-width:300px;line-height:1.5;margin-bottom:0}