:root{--pvc-primary:#e53935;--pvc-primary-hover:#c62828;--pvc-secondary:#666;--pvc-bg:#f8f9fa;--pvc-card-bg:#ffffff;--pvc-border:#e0e0e0;--pvc-text:#333;--pvc-text-light:#666;--pvc-success:#4caf50;--pvc-shadow:0 2px 8px rgba(0, 0, 0, 0.08);--pvc-shadow-hover:0 4px 20px rgba(0, 0, 0, 0.12);--pvc-radius:12px;--pvc-radius-sm:8px;--pvc-transition:all 0.3s ease}.pvc-calculator-wrapper{font-family:'Segoe UI',-apple-system,BlinkMacSystemFont,sans-serif;max-width:1200px;margin:0 auto;padding:20px;background:var(--pvc-bg);border-radius:var(--pvc-radius)}.pvc-calculator-wrapper *{box-sizing:border-box}.pvc-progress{display:flex;justify-content:space-between;margin-bottom:40px;padding:20px;background:var(--pvc-card-bg);border-radius:var(--pvc-radius);box-shadow:var(--pvc-shadow);overflow-x:auto;gap:8px}.pvc-progress-step{display:flex;flex-direction:column;align-items:center;flex:1;min-width:80px;cursor:pointer;transition:var(--pvc-transition);opacity:.5}.pvc-progress-step.active,.pvc-progress-step.completed{opacity:1}.pvc-progress-step .step-number{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--pvc-border);color:var(--pvc-text-light);border-radius:50%;font-weight:600;font-size:14px;transition:var(--pvc-transition);margin-bottom:8px}.pvc-progress-step.active .step-number{background:var(--pvc-primary);color:#fff;transform:scale(1.1)}.pvc-progress-step.completed .step-number{background:var(--pvc-success);color:#fff}.pvc-progress-step .step-label{font-size:11px;color:var(--pvc-text-light);text-align:center;white-space:nowrap}.pvc-progress-step.active .step-label{color:var(--pvc-primary);font-weight:600}.pvc-calculator-content{background:var(--pvc-card-bg);border-radius:var(--pvc-radius);box-shadow:var(--pvc-shadow);padding:40px;margin-bottom:20px;min-height:400px}.pvc-step{display:none;animation:fadeIn 0.4s ease}.pvc-step.active{display:block}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.pvc-step-header{margin-bottom:30px;text-align:center}.pvc-step-title{font-size:28px;font-weight:600;color:var(--pvc-text);margin:0 0 10px 0}.pvc-step-description{font-size:16px;color:var(--pvc-text-light);margin:0}.pvc-options-grid{display:grid;gap:20px;justify-content:center}.pvc-options-1{grid-template-columns:minmax(200px,300px);max-width:300px;margin:0 auto}.pvc-options-2{grid-template-columns:repeat(2,minmax(180px,280px));max-width:600px;margin:0 auto}.pvc-options-3{grid-template-columns:repeat(3,minmax(150px,250px));max-width:800px;margin:0 auto}.pvc-options-4{grid-template-columns:repeat(4,minmax(140px,200px))}.pvc-options-5{grid-template-columns:repeat(5,minmax(120px,180px))}.pvc-options-6{grid-template-columns:repeat(6,minmax(100px,160px))}@media (max-width:1024px){.pvc-options-5,.pvc-options-6{grid-template-columns:repeat(4,1fr)}}@media (max-width:768px){.pvc-options-3,.pvc-options-4,.pvc-options-5,.pvc-options-6{grid-template-columns:repeat(2,1fr)}.pvc-calculator-content{padding:20px}.pvc-step-title{font-size:22px}}@media (max-width:480px){.pvc-options-2,.pvc-options-3{grid-template-columns:1fr}.pvc-progress{padding:15px 10px}.pvc-progress-step .step-label{display:none}}.pvc-option{background:var(--pvc-card-bg);border:2px solid var(--pvc-border);border-radius:var(--pvc-radius);padding:20px 15px;cursor:pointer;transition:var(--pvc-transition);text-align:center;display:flex;flex-direction:column;align-items:center}.pvc-option:hover{border-color:var(--pvc-primary);transform:translateY(-3px);box-shadow:var(--pvc-shadow-hover)}.pvc-option.selected{border-color:var(--pvc-primary);background:linear-gradient(135deg,rgba(229,57,53,.05) 0%,rgba(229,57,53,.02) 100%);box-shadow:0 0 0 3px rgba(229,57,53,.1)}.pvc-option.selected::after{content:'✓';position:absolute;top:10px;right:10px;width:24px;height:24px;background:var(--pvc-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.pvc-option{position:relative}.pvc-option-image{width:100%;height:100px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.pvc-icon{max-width:80px;max-height:80px;width:100%;height:auto}.pvc-option-label{font-size:14px;font-weight:600;color:var(--pvc-text)}.pvc-profile-placeholder{width:80px;height:80px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:12px;text-shadow:0 1px 2px rgba(0,0,0,.3)}.pvc-profile-specs{margin-top:10px;display:flex;flex-direction:column;gap:4px}.pvc-profile-specs small{font-size:11px;color:var(--pvc-text-light)}.pvc-color-option{padding:15px}.pvc-color-swatch{width:60px;height:60px;border-radius:8px;margin-bottom:10px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1)}.pvc-color-option .pvc-option-label{font-size:12px}.pvc-same-color-option{margin-bottom:25px;text-align:center}.pvc-checkbox-label{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-size:15px;color:var(--pvc-text)}.pvc-checkbox-label input[type="checkbox"]{display:none}.pvc-checkbox-custom{width:22px;height:22px;border:2px solid var(--pvc-border);border-radius:4px;display:flex;align-items:center;justify-content:center;transition:var(--pvc-transition)}.pvc-checkbox-label input:checked+.pvc-checkbox-custom{background:var(--pvc-primary);border-color:var(--pvc-primary)}.pvc-checkbox-label input:checked+.pvc-checkbox-custom::after{content:'✓';color:#fff;font-size:14px;font-weight:700}.pvc-glazing-specs{margin-top:8px}.pvc-glazing-specs small{font-size:11px;color:var(--pvc-text-light)}.pvc-size-inputs{display:flex;gap:60px;align-items:center;justify-content:center;flex-wrap:wrap}.pvc-size-preview{flex-shrink:0}.pvc-size-preview-window{width:200px;height:240px;background:linear-gradient(135deg,#e8f4fc 0%,#d0e8f7 100%);border:4px solid #666;border-radius:4px;position:relative;display:flex;align-items:center;justify-content:center}.pvc-size-width{position:absolute;bottom:-40px;left:50%;transform:translateX(-50%);display:flex;align-items:baseline;gap:4px;background:var(--pvc-primary);color:#fff;padding:6px 12px;border-radius:20px;font-size:14px}.pvc-size-height{position:absolute;right:-55px;top:50%;transform:translateY(-50%) rotate(90deg);display:flex;align-items:baseline;gap:4px;background:var(--pvc-primary);color:#fff;padding:6px 12px;border-radius:20px;font-size:14px}.pvc-size-value{font-weight:600}.pvc-size-unit{font-size:11px;opacity:.9}.pvc-size-fields{display:flex;flex-direction:column;gap:20px}.pvc-input-group{display:flex;flex-direction:column;gap:6px}.pvc-input-group label{font-size:14px;font-weight:600;color:var(--pvc-text)}.pvc-input-group input,.pvc-input-group textarea{padding:12px 16px;border:2px solid var(--pvc-border);border-radius:var(--pvc-radius-sm);font-size:16px;transition:var(--pvc-transition);font-family:inherit}.pvc-input-group input:focus,.pvc-input-group textarea:focus{outline:none;border-color:var(--pvc-primary);box-shadow:0 0 0 3px rgba(229,57,53,.1)}.pvc-input-group input[type="number"]{width:200px}.pvc-input-hint{font-size:12px;color:var(--pvc-text-light)}.pvc-summary{background:var(--pvc-bg);border-radius:var(--pvc-radius);padding:25px;margin-bottom:30px}.pvc-summary h3{margin:0 0 20px 0;font-size:18px;color:var(--pvc-text)}.pvc-summary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:15px}.pvc-summary-item{display:flex;flex-direction:column;gap:4px}.pvc-summary-label{font-size:12px;color:var(--pvc-text-light);text-transform:uppercase;letter-spacing:.5px}.pvc-summary-value{font-size:15px;font-weight:600;color:var(--pvc-text)}.pvc-contact-form{max-width:600px;margin:0 auto}.pvc-form-row{margin-bottom:20px}.pvc-form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width:600px){.pvc-form-row-2{grid-template-columns:1fr}}.pvc-form-submit{text-align:center;margin-top:30px}.pvc-success-message{text-align:center;padding:40px;animation:fadeIn 0.5s ease}.pvc-success-icon{width:80px;height:80px;background:var(--pvc-success);color:#fff;font-size:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.pvc-success-message h3{font-size:24px;color:var(--pvc-text);margin:0 0 10px 0}.pvc-success-message p{font-size:16px;color:var(--pvc-text-light);margin:0 0 30px 0}.pvc-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;font-size:16px;font-weight:600;border:none;border-radius:var(--pvc-radius-sm);cursor:pointer;transition:var(--pvc-transition);font-family:inherit}.pvc-btn-primary{background:var(--pvc-primary);color:#fff}.pvc-btn-primary:hover:not(:disabled){background:var(--pvc-primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px rgba(229,57,53,.3)}.pvc-btn-primary:disabled{opacity:.5;cursor:not-allowed}.pvc-btn-secondary{background:var(--pvc-bg);color:var(--pvc-text);border:2px solid var(--pvc-border)}.pvc-btn-secondary:hover{background:var(--pvc-border)}.pvc-navigation{display:flex;justify-content:space-between;gap:20px;background:var(--pvc-card-bg);border-radius:var(--pvc-radius);box-shadow:var(--pvc-shadow);padding:20px 30px}.pvc-navigation .pvc-btn-next{margin-left:auto}.spinner{width:20px;height:20px;animation:spin 1s linear infinite}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}.pvc-division-types{grid-template-columns:repeat(5,1fr)}@media (max-width:900px){.pvc-division-types{grid-template-columns:repeat(4,1fr)}}@media (max-width:700px){.pvc-division-types{grid-template-columns:repeat(3,1fr)}}@media (max-width:500px){.pvc-division-types{grid-template-columns:repeat(2,1fr)}}.pvc-division-option{padding:12px 8px}.pvc-division-option .pvc-option-image{height:70px}.pvc-division-option .pvc-icon{max-width:60px;max-height:60px}.pvc-division-option .pvc-option-label{font-size:11px}.pvc-opening-types{max-width:900px;margin:0 auto}.pvc-inside-colors.disabled{opacity:.4;pointer-events:none}