:root{--primary:#2d336b;--teal:#2ba5a2;--teal-text:#1a8583;--pink:#e95a9b;--bg:#f7f8fa;--warm-bg:#fff5f0;--white:#fff;--text:#2f3542;--text-secondary:#5f6b78;--border:#e3e7ed;--shadow:0 4px 24px rgba(45,51,107,0.08);--shadow-lg:0 8px 40px rgba(45,51,107,0.12)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'DM Sans',sans-serif;color:var(--text);background:var(--bg);line-height:1.6;min-height:100vh}.topbar{background:#4e5494;color:var(--white);padding:10px 20px;display:flex;justify-content:space-between;align-items:center;font-size:13px}.topbar a{color:var(--white);text-decoration:none;opacity:.9}.topbar a:hover{opacity:1}.topbar-back{display:flex;align-items:center;gap:6px}.page-header{background:var(--white);padding:20px 40px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 12px rgba(0,0,0,0.06);position:sticky;top:0;z-index:100}.logo-link{display:flex;align-items:center;gap:12px;text-decoration:none}.logo-link img{height:44px;width:auto}.logo-link span{font-family:'Playfair Display',serif;font-size:20px;font-weight:700;color:var(--primary)}.header-badge{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,var(--teal),var(--primary));color:white;padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600}.header-badge svg{width:16px;height:16px}.progress-container{background:var(--white);padding:0 40px;border-bottom:1px solid var(--border)}.progress-steps{display:flex;max-width:900px;margin:0 auto}.progress-step{flex:1;padding:16px 0;text-align:center;position:relative;font-size:14px;font-weight:500;color:var(--text-secondary);transition:all .3s}.progress-step.active{color:var(--primary);font-weight:600}.progress-step.completed{color:var(--teal)}.progress-step::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--border);transition:all .4s}.progress-step.active::after{background:var(--primary)}.progress-step.completed::after{background:var(--teal)}.step-number{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--border);color:var(--text-secondary);font-size:13px;font-weight:700;margin-right:8px;transition:all .3s}.progress-step.active .step-number{background:var(--primary);color:white}.progress-step.completed .step-number{background:var(--teal);color:white}.main-container{max-width:1100px;margin:0 auto;padding:32px 24px 60px}.step-panel{display:none;animation:fadeIn .4s ease}.step-panel.active{display:block}@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.step-title{font-family:'Playfair Display',serif;font-size:26px;font-weight:700;color:var(--primary);margin-bottom:8px}.step-subtitle{color:var(--text-secondary);font-size:15px;margin-bottom:28px}.upload-zone{background:var(--white);border:3px dashed var(--border);border-radius:16px;padding:60px 40px;text-align:center;cursor:pointer;transition:all .3s;position:relative;overflow:hidden}.upload-zone:hover,.upload-zone.dragover{border-color:var(--teal);background:#f0fafa}.upload-zone.has-image{border-style:solid;border-color:var(--teal);padding:16px}.upload-icon{width:64px;height:64px;margin:0 auto 16px;color:var(--teal)}.upload-text{font-size:16px;font-weight:500;color:var(--text);margin-bottom:8px}.upload-hint{font-size:13px;color:var(--text-secondary)}.upload-preview{max-width:100%;max-height:500px;border-radius:12px;display:none}.upload-zone.has-image .upload-preview{display:block;margin:0 auto}.upload-zone.has-image .upload-placeholder{display:none}.upload-change{display:none;margin-top:12px;font-size:13px;color:var(--teal-text);cursor:pointer;font-weight:500}.upload-zone.has-image .upload-change{display:block}.photo-tips{background:linear-gradient(135deg,#fff9e6 0,#fff5f0 100%);border:1px solid #ffe0b2;border-radius:12px;padding:16px 20px;margin-bottom:24px;display:flex;align-items:flex-start;gap:12px;font-size:14px}.photo-tips svg{flex-shrink:0;color:#f5a623;width:20px;height:20px;margin-top:2px}.photo-tips strong{color:var(--primary)}.step2-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}.step2-left{display:flex;flex-direction:column;gap:20px}.step2-right{background:var(--white);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.step2-preview{width:100%;height:100%;min-height:300px;object-fit:cover;border-radius:16px}.selector-card{background:var(--white);border-radius:12px;padding:20px;box-shadow:var(--shadow)}.selector-label{font-size:13px;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;display:flex;align-items:center;gap:8px}.selector-label svg{width:18px;height:18px;color:var(--teal)}.selector-select{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:10px;font-family:'DM Sans',sans-serif;font-size:15px;color:var(--text);background:var(--white);cursor:pointer;transition:border-color .3s;appearance:none;background-image:url("data:image/svg+xml,%3Csvgxmlns='http://www.w3.org/2000/svg'width='20'height='20'viewBox='002424'fill='none'stroke='%232F3542'stroke-width='2'%3E%3Cpolylinepoints='691215189'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.selector-select:focus{border-color:var(--teal);outline:0}.collection-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}.collection-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 6px;border:2px solid var(--border);border-radius:10px;cursor:pointer;transition:all .2s;font-size:11px;font-weight:500;color:var(--text-secondary);text-align:center}.collection-item:hover{border-color:var(--teal);background:#f0fafa}.collection-item.active{border-color:var(--primary);background:#eeedf5;color:var(--primary)}.collection-swatch{width:40px;height:40px;border-radius:8px;background-size:cover;background-position:center}.reference-section{display:none}.reference-section.active{display:block}.reference-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px;max-height:280px;overflow-y:auto;padding-right:8px}.reference-grid::-webkit-scrollbar{width:6px}.reference-grid::-webkit-scrollbar-track{background:var(--bg);border-radius:3px}.reference-grid::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.reference-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border:2px solid var(--border);border-radius:10px;cursor:pointer;transition:all .2s;font-size:12px}.reference-item:hover{border-color:var(--teal);background:#f0fafa}.reference-item.active{border-color:var(--primary);background:#eeedf5}.reference-swatch{width:36px;height:36px;border-radius:6px;flex-shrink:0}.reference-name{font-weight:500;color:var(--text);line-height:1.3}.reference-code{font-size:10px;color:var(--text-secondary)}.chat-section{background:var(--white);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.chat-header{background:linear-gradient(135deg,var(--primary),#3d4285);color:white;padding:14px 20px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px}.chat-header svg{width:20px;height:20px}.chat-messages{height:150px;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.chat-message{max-width:85%;padding:10px 14px;border-radius:12px;font-size:13px;line-height:1.5}.chat-message.assistant{background:var(--bg);color:var(--text);align-self:flex-start;border-bottom-left-radius:4px}.chat-message.user{background:var(--primary);color:white;align-self:flex-end;border-bottom-right-radius:4px}.chat-input-row{display:flex;padding:12px 16px;gap:8px;border-top:1px solid var(--border)}.chat-input{flex:1;padding:10px 14px;border:2px solid var(--border);border-radius:10px;font-family:'DM Sans',sans-serif;font-size:14px;color:var(--text);resize:none}.chat-input:focus{border-color:var(--teal);outline:0}.chat-send{width:42px;height:42px;border-radius:10px;background:var(--teal);color:white;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.chat-send:hover{background:var(--teal-text)}.result-container{background:var(--white);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden}.result-header{background:linear-gradient(135deg,var(--teal),#1a8583);color:white;padding:20px 28px;display:flex;align-items:center;justify-content:space-between}.result-header h3{font-family:'Playfair Display',serif;font-size:22px}.result-layout{display:grid;grid-template-columns:300px 1fr;gap:0}.result-sidebar{background:#f9fafb;border-right:1px solid var(--border);display:flex;flex-direction:column}.result-sidebar-photo{position:relative;padding:16px}.result-sidebar-photo img{width:100%;border-radius:10px;display:block;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.result-sidebar-info{padding:0 16px 16px}.result-sidebar-info .info-row{display:flex;align-items:flex-start;gap:8px;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}.result-sidebar-info .info-row:last-child{border-bottom:0}.result-sidebar-info .info-label{font-weight:600;color:var(--primary);min-width:80px;flex-shrink:0}.result-sidebar-info .info-value{color:var(--text-secondary)}.result-sidebar-actions{padding:16px;margin-top:auto;display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--border)}.result-sidebar-actions .btn{width:100%;justify-content:center;font-size:13px;padding:10px 16px}.result-main{position:relative;background:#000;display:flex;align-items:center;justify-content:center;min-height:400px}.result-main img{width:100%;display:block}.result-label{position:absolute;top:16px;left:16px;padding:6px 14px;border-radius:8px;font-size:13px;font-weight:600;backdrop-filter:blur(10px)}.result-label.before{background:rgba(0,0,0,0.6);color:white}.result-label.after{background:rgba(43,165,162,0.85);color:white}.result-toolbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid var(--border);flex-wrap:wrap;gap:12px}.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:10px}.toolbar-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;border:1.5px solid var(--border);background:var(--white);color:var(--text);cursor:pointer;transition:all .2s}.toolbar-btn:hover{border-color:var(--primary);background:#f5f5fa}.toolbar-btn svg{width:16px;height:16px}.result-rating{display:flex;align-items:center;gap:16px;padding:16px 24px;border-top:1px solid var(--border);background:#fafbfc}.rating-label{font-size:14px;color:var(--text-secondary);font-weight:500}.rating-smileys{display:flex;gap:8px}.rating-smiley{width:40px;height:40px;border-radius:50%;border:2px solid var(--border);background:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;transition:all .2s}.rating-smiley:hover{transform:scale(1.15);border-color:var(--teal)}.rating-smiley.active{border-color:var(--teal);background:rgba(43,165,162,0.1);transform:scale(1.15)}.rating-thanks{font-size:13px;color:var(--teal-text);font-weight:600;display:none}.rating-thanks.visible{display:block}.result-bottom-actions{padding:24px 28px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.quick-contact{margin-top:24px;background:var(--white);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden}.quick-contact-header{background:linear-gradient(135deg,var(--primary),#4e5494);color:white;padding:20px 28px;text-align:center}.quick-contact-header h3{font-family:'Playfair Display',serif;font-size:20px;margin-bottom:4px}.quick-contact-header p{font-size:13px;opacity:.85}.quick-contact-body{padding:24px 28px}.qc-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.qc-group{display:flex;flex-direction:column}.qc-group label{font-size:13px;font-weight:600;color:var(--primary);margin-bottom:6px}.qc-group input,.qc-group select,.qc-group textarea{font-family:'DM Sans',sans-serif;font-size:14px;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);transition:border-color .2s}.qc-group input:focus,.qc-group select:focus,.qc-group textarea:focus{outline:0;border-color:var(--teal)}.qc-group textarea{resize:vertical;min-height:80px}.qc-submit{width:100%;padding:14px;border:0;border-radius:10px;font-family:'DM Sans',sans-serif;font-size:16px;font-weight:700;color:white;cursor:pointer;transition:all .3s;background:linear-gradient(135deg,var(--teal),#1a8583);box-shadow:0 4px 16px rgba(43,165,162,0.3)}.qc-submit:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(43,165,162,0.4)}.qc-reassurance{text-align:center;font-size:12px;color:var(--text-secondary);margin-top:12px}.qc-project-info{background:var(--bg);border-radius:8px;padding:12px 16px;margin-bottom:16px;font-size:13px;color:var(--text-secondary);border-left:3px solid var(--teal)}.qc-project-info strong{color:var(--primary)}@media(max-width:600px){.qc-row{grid-template-columns:1fr}}.loading-container{text-align:center;padding:60px 40px}.loading-spinner{width:56px;height:56px;border:4px solid var(--border);border-top-color:var(--teal);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:17px;font-weight:600;color:var(--primary);margin-bottom:8px}.loading-hint{font-size:14px;color:var(--text-secondary)}.loading-progress{width:300px;height:6px;background:var(--border);border-radius:3px;margin:20px auto 0;overflow:hidden}.loading-progress-bar{height:100%;background:linear-gradient(90deg,var(--teal),var(--primary));border-radius:3px;width:0;animation:loadProgress 45s ease-out forwards}@keyframes loadProgress{0%{width:0}50%{width:60%}80%{width:85%}100%{width:95%}}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:10px;font-family:'DM Sans',sans-serif;font-size:15px;font-weight:600;border:0;cursor:pointer;transition:all .3s;text-decoration:none}.btn svg{width:18px;height:18px}.btn-primary{background:linear-gradient(135deg,var(--teal),#1a8583);color:white;box-shadow:0 4px 16px rgba(43,165,162,0.3)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(43,165,162,0.4)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:var(--white);color:var(--primary);border:2px solid var(--border)}.btn-secondary:hover{border-color:var(--primary);background:#f5f5fa}.btn-accent{background:linear-gradient(135deg,var(--pink),#d14080);color:white;box-shadow:0 4px 16px rgba(233,90,155,0.3)}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(233,90,155,0.4)}.step-actions{display:flex;justify-content:space-between;align-items:center;margin-top:28px}.page-footer{text-align:center;padding:24px;font-size:13px;color:var(--text-secondary);border-top:1px solid var(--border);margin-top:40px}.page-footer a{color:var(--teal-text);text-decoration:none}@media(max-width:768px){.page-header{padding:14px 16px}.logo-link span{font-size:16px}.header-badge{font-size:11px;padding:5px 12px}.main-container{padding:20px 16px 40px}.step-title{font-size:22px}.step2-layout{grid-template-columns:1fr}.collection-grid{grid-template-columns:repeat(4,1fr)}.reference-grid{grid-template-columns:repeat(2,1fr)}.result-layout{grid-template-columns:1fr}.result-sidebar{border-right:0;border-bottom:1px solid var(--border)}.result-sidebar-photo{display:flex;gap:12px}.result-sidebar-photo img{width:120px;border-radius:8px}.result-sidebar-actions{flex-direction:row;flex-wrap:wrap}.result-sidebar-actions .btn{width:auto;flex:1;min-width:120px}.upload-zone{padding:40px 20px}.progress-step{font-size:12px;padding:12px 0}.step-number{width:24px;height:24px;font-size:11px;margin-right:4px}}@media(max-width:480px){.collection-grid{grid-template-columns:repeat(3,1fr)}.reference-grid{grid-template-columns:1fr}.step-actions{flex-direction:column;gap:12px}.step-actions .btn{width:100%;justify-content:center}}