:root{--primary: #3CCE96;--primary-dark: #2FB77F;--primary-darkest: #1F6B5A;--primary-selected: #34aa7d5d;--prrimary-light: #e2fdf3;--primary-soft: #D9F5EA;--accent: #FFC700;--accent-dark: #EAB700;--bg: #F5F7FA;--white: #fff;--gray0: #F9FAFB;--gray1: #F3F4F6;--gray2: #E5E7EB;--gray3: #D1D5DB;--gray4: #9CA3AF;--gray5: #6B7280;--gray6: #374151;--gray7: #1F2937;--text: #111827;--border: #E5E7EB;--radius: 14px;--shadow: 0 4px 16px rgba(0,0,0,.08);--shadow-soft: 0 2px 10px rgba(0,0,0,.05);--header-h: 70px;--pricebar-h: 80px;--sidebar-w: 520px;--pad-2: clamp(14px, 2vw, 28px);--pad-3: clamp(18px, 2.4vw, 32px);--primary1: var(--primary);--secondary: var(--accent);--soft-red: #fee2e2;--red: #ef4444}*,*:before,*:after{box-sizing:border-box}body{overflow:hidden;background:var(--bg);color:var(--text)}@media (max-width: 768px){body{overflow-y:auto}}.calculator-container{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:calc(100dvh - var(--header-h));min-height:calc(100vh - var(--header-h))}@supports (height: 100dvh){.calculator-container{height:calc(100dvh - var(--header-h));min-height:calc(100dvh - var(--header-h))}}.sidebar{background:var(--white);border-right:1px solid var(--gray2);padding:var(--pad-3);height:calc(100dvh - var(--header-h));overflow-y:auto;-webkit-overflow-scrolling:touch}.sidebar h2,.sidebar label{font-weight:600}.sidebar>*+*{margin-top:32px}.pricebar{position:fixed;top:var(--header-h);left:var(--sidebar-w);right:0;height:var(--pricebar-h);background:var(--white);box-shadow:var(--shadow);border-radius:0 0 var(--radius) var(--radius);padding:20px var(--pad-3);display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:50}.price-value{font-size:28px;font-weight:800}.price-sub{font-size:13px;color:var(--gray5)}.btn-next{background:var(--accent);border:none;padding:14px 40px;font-size:16px;font-weight:700;color:#000;border-radius:40px;cursor:pointer;transition:all .15s;white-space:nowrap}.btn-next:hover{background:var(--accent-dark)}#threeContainer{width:100%;height:100%;position:relative;display:block;min-height:320px;min-width:0}canvas{display:block}.calculator-container>.preview-container{min-width:0;min-height:0}#shelfForm{display:flex;flex-direction:column;gap:26px}#shelfForm>div{display:flex;flex-direction:column;gap:12px}.slider-label{font-size:16px;padding:0 6px;color:var(--gray5)!important}.Shelf-value{font-size:14px;color:var(--gray5)!important;background-color:var(--gray1);padding:2px 8px;border-radius:8px}.slider-icon{color:var(--primary);font-size:12px;line-height:1;flex-shrink:0}.slider-wrapper{position:relative;padding-top:5px}.slider-bubble{background:var(--gray1);padding:2px 8px;border-radius:8px;font-size:14px;font-weight:700;color:var(--gray5);white-space:nowrap;pointer-events:none}.calc-row.modern .calc-footer{display:flex;justify-content:space-between;font-size:12px;color:var(--gray4);padding:2px 4px 0}#sectionTabs{display:flex;overflow-x:auto;gap:8px;height:70px;padding:20px 0;cursor:grab}#sectionTabs button{border:2px solid var(--gray2);background:var(--white);padding:6px 3px;border-radius:var(--radius);cursor:pointer;font-weight:600;transition:all .15s}#sectionTabs button:hover{border-color:var(--primary)}#sectionTabs button.active{border-color:var(--primary);background:var(--primary-soft)}#radioContainer{display:flex;overflow-x:auto;gap:8px;height:70px;padding:20px 0;cursor:grab}#radioContainer button{border:2px solid var(--gray2);background:var(--white);padding:6px 3px;border-radius:var(--radius);cursor:pointer;font-weight:600;transition:all .15s}#radioContainer button:hover{border-color:var(--primary)}#radioContainer button.active{border-color:var(--primary);background:var(--primary-soft)}.material-selector{display:flex;gap:8px;flex-wrap:wrap}.material-selector button{padding:10px 18px;border:2px solid var(--gray2);background:var(--white);border-radius:var(--radius);font-weight:600;cursor:pointer;transition:.15s}.material-selector button:hover{border-color:var(--primary)}.material-selector .active{border-color:var(--primary);background:var(--primary-soft)}label input[type=checkbox]{width:18px;height:18px;border-radius:4px;border:2px solid var(--gray3);margin-right:8px;cursor:pointer}label input[type=checkbox]:checked{background:var(--primary);border-color:var(--primary)}label:has(#wall_mounts),label:has(#floor_mounts){display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:2px solid var(--gray2);border-radius:var(--radius);background:var(--white);cursor:pointer;font-size:14px;font-weight:600;color:var(--gray6);transition:border-color .15s,background .15s,color .15s,box-shadow .15s;user-select:none}label:has(#wall_mounts):hover,label:has(#floor_mounts):hover{border-color:var(--primary);background:var(--primary-soft)}label:has(#wall_mounts) input[type=checkbox],label:has(#floor_mounts) input[type=checkbox]{display:none}label:has(#wall_mounts):before,label:has(#floor_mounts):before{content:"";width:18px;height:18px;min-width:18px;border:2px solid var(--gray3);border-radius:4px;background:var(--white);transition:border-color .15s,background .15s}label:has(#wall_mounts:checked):before,label:has(#floor_mounts:checked):before{border-color:var(--primary);background:var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E") center/10px no-repeat}label:has(#wall_mounts:checked),label:has(#floor_mounts:checked){border-color:var(--primary);background:var(--primary-soft);color:var(--primary-dark);box-shadow:0 0 0 3px rgba(60,206,150,.12)}input[type=range]{color:var(--primary1);--thumb-size: 18px;--track-height: 8px;--track-color: var(--gray3);--thumb-bg: #fff;--value-percent: 0%;width:100%;cursor:pointer;background:transparent;-webkit-appearance:none;appearance:none;background-color:var(--gray1);padding:8px 10px;border-radius:8px;border:2px solid var(--gray2)}input[type=range]::-webkit-slider-runnable-track{height:var(--track-height);background:var(--ticks-grad, none),linear-gradient(to right,var(--primary1) 0%,var(--primary1) var(--value-percent),var(--track-color) var(--value-percent),var(--track-color) 100%);border-radius:999px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:var(--thumb-size);height:var(--thumb-size);background:var(--primary);border:2px solid var(--primary);box-shadow:0 2px 6px rgba(0,0,0,.2);border-radius:50%}input[type=range]::-moz-range-track{height:var(--track-height);background:var(--gray3);border-radius:999px}input[type=range]::-moz-range-progress{height:var(--track-height);background:var(--primary1);border-radius:999px}input[type=range]::-moz-range-thumb{width:var(--thumb-size);height:var(--thumb-size);background:var(--primary);border:1px solid #111;box-shadow:0 2px 6px rgba(0,0,0,.2);border-radius:50%}.slider-value{background:var(--primary-soft);color:var(--primary-dark);padding:4px 10px;border-radius:6px;font-weight:700}#calcBtn,#resetBtn{padding:12px 26px;border-radius:var(--radius);font-size:15px;font-weight:700;cursor:pointer;border:none}#calcBtn{background:var(--primary);color:#fff}#calcBtn:hover{background:var(--primary-dark)}#resetBtn{background:var(--gray1);color:var(--gray7)}#resetBtn:hover{background:var(--gray2)}.price-content{position:fixed;left:var(--sidebar-w);right:0;top:calc(var(--header-h) + 15px);z-index:20;background:#fff;border-radius:0 0 16px 16px;box-shadow:var(--shadow)}.price-container{padding:16px var(--pad-3);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.price{font-size:28px;font-weight:800;letter-spacing:.2px;color:#111}.price-subtitle{display:block;font-size:13px;color:var(--gray4);margin-top:2px}#addToCartBtn{background:var(--secondary);border:none;padding:12px 48px;color:#000;border-radius:999px;font-weight:700;font-size:16px;cursor:pointer;transition:transform .05s ease,background .2s;white-space:nowrap}#addToCartBtn:hover{background:var(--accent-dark)}.mandarini{position:relative;flex:1;min-width:110px;padding:6px 8px;border-radius:100px;border:2px solid var(--border);background:#fff;color:#111;cursor:pointer;font-weight:600;font-size:13px;z-index:10;transition:all .2s}.mandarini:hover{border-color:var(--primary1)!important;background:#f0fdf4!important}.mandarini.active{background:#ecfdf5!important;border-color:var(--primary1)!important;color:#065f46!important;box-shadow:0 0 0 3px rgba(60,206,150,.1)!important}.RemoveSectionBtn{position:relative;font-size:17px;font-weight:500;margin:-15px;top:-20px;right:2px;padding:1px 8px!important;border-radius:999px!important;background:#fff;color:#000;border:1px solid var(--border);cursor:pointer;z-index:999}.RemoveSectionBtn:hover{background:#ecfdf5!important}.RemoveSectionBtn:hover .mandarini{border-color:var(--primary1)!important;background:#f0fdf4!important}.width-alert{position:fixed;bottom:20px;right:20px;z-index:999;max-width:calc(100vw - 40px)}.width-alert-inner{background:#1f2937;color:#f9fafb;padding:12px 16px;border-radius:8px;box-shadow:0 10px 25px rgba(15,23,42,.35);font-size:14px;max-width:320px;display:flex;gap:12px;align-items:center}.width-alert-inner button{margin-left:auto;background:#f97316;color:#fff;border:none;border-radius:999px;padding:4px 10px;font-size:12px;cursor:pointer}#shelfOptionsPanel{position:absolute;right:16px;height:80%;top:57%;transform:translateY(-50%);width:min(380px,92vw);background:#fff;border-radius:16px;border:1px solid #e5e7eb;font-family:system-ui,-apple-system,sans-serif;animation:slideInRight .3s ease-out;overflow:hidden}@keyframes slideInRight{0%{opacity:0;transform:translateY(-50%) translate(20px)}to{opacity:1;transform:translateY(-50%) translate(0)}}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #e5e7eb}.panel-header h3{margin:0;font-size:18px;font-weight:600;color:#1f2937}#closePanelBtn{width:32px;height:32px;border-radius:8px;border:0;background:var(--gray1);color:var(--gray5);font-size:21px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;border:2px solid var(--border)}#closePanelBtn:hover{background:#e5e7eb;color:#1f2937}.panel-body{padding:20px;max-height:70vh;overflow-y:auto;-webkit-overflow-scrolling:touch}.option-group{margin-bottom:24px}.option-group:last-child{margin-bottom:0}.option-label{display:block;font-size:13px;font-weight:600;color:#6b7280;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.option-label-2{font-size:15px;font-weight:600;color:var(--gray5);padding:3px 6px;margin-bottom:12px}.shelf-type-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.shelf-type-option{padding:12px 0;border:2px solid #e5e7eb;border-radius:12px;background:#fff;cursor:pointer;font-size:14px;font-weight:600;color:#1f2937;transition:all .2s}.shelf-type-option:hover:not(:disabled):not(.unavailable){border-color:#3cce96;background:#f0fdf4;transform:translateY(-2px)}.shelf-type-option:not(:disabled):not(.unavailable){cursor:grab;user-select:none;-webkit-user-drag:element}.shelf-type-option:not(:disabled):not(.unavailable):active{cursor:grabbing}.shelf-type-option.active{border-color:#3cce96;background:#f0fdf4;box-shadow:0 0 0 3px rgba(60,206,150,.1)}.shelf-type-option:disabled,.shelf-type-option.unavailable{opacity:.4;cursor:not-allowed}.shelf-palette-btn{user-select:none;-webkit-user-drag:element;touch-action:none;background-color:#fff;color:#111;font-weight:600;font-size:13px;border:2px solid var(--border);border-radius:8px;padding:8px 24px;transition:all .2s}.shelf-palette-btn:hover{border-color:var(--primary1);background:#f0fdf4}.shelf-palette-btn.is-armed{border-color:#3cce96;background:#f0fdf4;box-shadow:0 0 0 3px rgba(60,206,150,.1)}.hidden{display:none!important}.action-btn{width:100%;padding:8px 12px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:13px;transition:all .2s}.action-btn:last-child{margin-bottom:0}.action-btn.add{background-color:var(--primary-soft);color:var(--gray7);border:2px solid var(--primary)}.action-btn.add:hover:not(:disabled){background:var(--primary-selected);border-color:var(--primary)}.action-btn.remove{background-color:var(--soft-red);border:2px solid var(--red);color:#111}.action-btn.remove:hover:not(:disabled){background:#fecaca}.action-btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn-icon{font-size:20px;font-weight:700}.calculator-guide{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300}.calculator-guide__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:rgba(15,23,42,.42)}.calculator-guide__dialog{position:relative;z-index:1;width:min(1200px,calc(100vw - 32px));min-height:min(720px,calc(100vh - 48px));margin:min(3vh,24px) auto;background:#fff;border-radius:16px;border:1px solid #e5e7eb;box-shadow:0 18px 40px rgba(15,23,42,.16);display:grid;grid-template-columns:40px minmax(0,1fr) 40px;overflow:visible}.calculator-guide__content{display:grid;grid-template-columns:minmax(240px,320px) minmax(0,1fr);align-items:start}.calculator-guide__text{padding:22px 18px;background:linear-gradient(180deg,#fff,#f8fbfd);border-right:1px solid #e5e7eb;display:flex;flex-direction:column;gap:10px;align-self:start;border-radius:16px 0 0 16px}.calculator-guide__eyebrow{align-self:flex-start;padding:5px 10px;border-radius:999px;background:#eef6ff;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#315a86}.calculator-guide__counter{align-self:flex-start;padding:2px 0;font-size:13px;font-weight:600;color:#475569}.calculator-guide__slide-title{margin:0;font-size:clamp(20px,2.2vw,28px);line-height:1.16;color:#0f172a}.calculator-guide__copy{min-height:0;border-radius:14px;border:1px solid #d9e5ee;background:rgba(255,255,255,.9);box-shadow:inset 0 1px rgba(255,255,255,.7);padding:12px 14px;line-height:1.5}.calculator-guide__media{background:#fff;display:flex;align-items:center;justify-content:center;padding:16px}.calculator-guide__image{display:block;width:100%;max-width:100%;max-height:calc(100vh - 96px);object-fit:contain;border-radius:10px;background:#fff}.calculator-guide__nav,.calculator-guide__close{border:0;background:transparent;color:#0f172a;cursor:pointer}.calculator-guide__nav{font-size:24px;font-weight:400;align-self:center;justify-self:center;width:30px;height:30px;padding:0;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;line-height:1;text-align:center;background:#f8fafc;border:1px solid #dbe4ea;box-shadow:0 6px 16px rgba(15,23,42,.08);transition:background .2s ease,color .2s ease}.calculator-guide__nav:hover:not(:disabled),.calculator-guide__close:hover{background:#eef4f8;color:#0f172a}.calculator-guide__nav:disabled{opacity:.25;cursor:not-allowed}.calculator-guide__close{position:absolute;top:-18px;right:-18px;width:44px;height:44px;border-radius:999px;background:#fff;font-size:28px;line-height:1;z-index:2;box-shadow:0 10px 24px rgba(15,23,42,.18);display:flex;align-items:center;justify-content:center;padding:0}@media (max-width: 1400px){:root{--sidebar-w: 460px}}@media (max-width: 1200px){:root{--sidebar-w: 420px}.price-value,.price{font-size:24px}.btn-next,#addToCartBtn{padding:12px 34px;font-size:15px}.calculator-guide__content{grid-template-columns:280px minmax(0,1fr)}}@media (max-width: 992px){:root{--sidebar-w: 360px}.sidebar>*+*{margin-top:22px}#shelfOptionsPanel{height:78%;top:56%}}@media (max-width: 768px){.calculator-container{grid-template-columns:1fr;height:auto;min-height:calc(100vh - var(--header-h));padding-top:var(--pricebar-h)}.sidebar{border-right:0;border-bottom:1px solid var(--gray2);max-height:none;max-width:100vw;height:auto;overflow-y:visible}.price-content{position:fixed;left:0;right:0;top:60px;z-index:60;max-width:100vw;border-radius:0 0 14px 14px;transition:top .2s ease}.price-content.scrolled{top:0;border-radius:0 0 14px 14px}.pricebar{position:static;left:0;right:0;height:auto;padding:14px var(--pad-2);flex-wrap:wrap}.price-value,.price{font-size:22px}.btn-next,#addToCartBtn{width:100%;padding:12px 18px}#shelfOptionsPanel{position:fixed;left:10px;right:10px;bottom:10px;top:auto;transform:none;width:auto;height:min(72vh,560px);border-radius:18px;animation:none;z-index:200}.panel-body{max-height:calc(min(72vh,560px) - 62px)}.shelf-type-grid{grid-template-columns:1fr}.calculator-guide__dialog{width:min(100vw - 48px,980px);min-height:calc(100vh - 48px);margin:24px auto;grid-template-columns:48px minmax(0,1fr) 48px}.calculator-guide__content{grid-template-columns:1fr}.calculator-guide__text{padding:24px 18px 14px;border-right:0;border-bottom:1px solid #e5e7eb}.calculator-guide__copy{min-height:56px;padding:14px 16px}.calculator-guide__media{padding:14px}}@media (max-width: 600px){.calculator-guide{display:flex;align-items:center;justify-content:center;padding:10px}.calculator-guide__dialog{width:100%;min-height:auto;max-height:calc(100vh - 20px);margin:auto;border-radius:20px;grid-template-columns:36px minmax(0,1fr) 36px;box-shadow:0 18px 36px rgba(15,23,42,.2)}.calculator-guide__content{align-items:stretch}.calculator-guide__text{padding:18px 14px 12px;gap:8px;border-radius:20px 20px 0 0}.calculator-guide__eyebrow{padding:4px 8px;font-size:10px}.calculator-guide__counter{font-size:12px}.calculator-guide__slide-title{font-size:20px}.calculator-guide__copy{padding:10px 12px;border-radius:12px;font-size:14px;line-height:1.45}.calculator-guide__media{padding:10px;background:linear-gradient(180deg,#fff,#f4f8fb)}.calculator-guide__image{max-height:42vh;border-radius:14px;box-shadow:0 10px 24px rgba(15,23,42,.08)}.calculator-guide__nav{width:28px;height:28px;font-size:20px;background:#fff;box-shadow:0 4px 12px rgba(15,23,42,.1)}.calculator-guide__close{top:8px;right:8px;width:34px;height:34px;font-size:22px;box-shadow:0 6px 16px rgba(15,23,42,.14)}}@media (max-width: 420px){.price-value,.price{font-size:20px}.btn-next,#addToCartBtn{padding:12px 16px;font-size:14px}.panel-header{padding:14px 16px}.panel-body{padding:16px}.action-btn{padding:12px 14px}}#shelfPalette{border-bottom:1px solid var(--gray4);padding-top:20px;align-items:center;align-content:center}.ShelfType{border-radius:16px;align-items:center;margin:0 auto;display:flex;flex-direction:column;padding:20px;gap:12px;cursor:pointer;transition:all .2s}.ShelfType-img{width:220px;height:143px;background-color:var(--gray1);border-radius:8px;outline:var(--gray2) solid 3px;display:flex;align-items:center;justify-content:center}.add-section-btn{background-color:#fff;color:#111;font-weight:400;border:2px solid var(--border);border-radius:8px;padding:8px 32px;transition:all .2s;cursor:pointer}.add-section-btn:hover,.add-section-btn.is-armed{border-color:var(--primary1);background:#f0fdf4}.shelf-type-warning{background-color:#fef3f2;color:#b91c1c;border:2px solid #fecaca;padding:10px 14px;border-radius:8px;font-size:13px;font-weight:500;shadow:0 2px 6px rgba(239,68,68,.1)}.shelf-type-warning:after{content:"";position:absolute;width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:6px solid #fef3f2;bottom:-12px;left:50%;transform:translate(-50%)}.confirm-dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(2px);animation:confirmFadeIn .15s ease-out}.confirm-dialog-overlay.hidden{display:none}@keyframes confirmFadeIn{0%{opacity:0}to{opacity:1}}.confirm-dialog-box{background:#fff;border-radius:14px;box-shadow:0 20px 50px rgba(15,23,42,.25);padding:28px 28px 22px;max-width:360px;width:calc(100vw - 48px);animation:confirmSlideUp .18s ease-out}@keyframes confirmSlideUp{0%{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.confirm-dialog-message{font-size:15px;color:#1f2937;line-height:1.5;margin:0 0 22px;font-weight:500}.confirm-dialog-actions{display:flex;gap:10px;justify-content:flex-end}.confirm-dialog-btn{padding:8px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:opacity .15s}.confirm-dialog-btn:hover{opacity:.85}.confirm-dialog-btn--cancel{background:#f3f4f6;color:#374151}.confirm-dialog-btn--ok{background:#ef4444;color:#fff}