:root{--color-bg-primary: #f8fafc;--color-bg-secondary: #ffffff;--color-bg-tertiary: #f1f5f9;--color-surface: #ffffff;--color-surface-hover: #f8fafc;--color-surface-active: #f1f5f9;--color-surface-muted: #f1f5f9;--color-accent: #2563eb;--color-accent-hover: #1d4ed8;--color-accent-light: #dbeafe;--color-accent-lighter: #eff6ff;--color-accent-secondary: #7c3aed;--color-accent-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);--color-success: #059669;--color-success-light: #d1fae5;--color-warning: #d97706;--color-warning-light: #fef3c7;--color-error: #dc2626;--color-error-light: #fee2e2;--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-muted: #94a3b8;--color-text-accent: #2563eb;--color-text-on-accent: #ffffff;--color-border: #e2e8f0;--color-border-hover: #cbd5e1;--color-border-accent: #93c5fd;--color-border-focus: #2563eb;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .04);--shadow-focus: 0 0 0 3px rgba(37, 99, 235, .2);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-heading: "Outfit", "Inter", sans-serif;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--container-max: 1100px;--nav-height: 64px;--hero-banner-height: 0px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--color-text-primary);background-color:var(--color-bg-primary);min-height:100vh;overflow-x:hidden}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}a{color:var(--color-text-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover);text-decoration:underline}a:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px;border-radius:2px}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}button:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px;border-radius:var(--radius-sm)}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:-1px;border-radius:var(--radius-sm)}ul,ol{list-style-position:inside}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3;color:var(--color-text-primary);text-wrap:balance}.skip-link{position:absolute;top:-100%;left:var(--space-md);padding:var(--space-sm) var(--space-md);background:var(--color-accent);color:var(--color-text-on-accent);border-radius:var(--radius-sm);z-index:9999;font-weight:600;text-decoration:none}.skip-link:focus{top:var(--space-md)}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--space-lg)}.page-content{padding-top:calc(var(--nav-height) + var(--space-xl));padding-bottom:var(--space-3xl);min-height:calc(100vh - var(--nav-height))}.glass-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-base),border-color var(--transition-base)}.glass-card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-md)}.glass-card-glow:hover{box-shadow:var(--shadow-lg);border-color:var(--color-border-accent)}.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);z-index:1000;background:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);transition:box-shadow var(--transition-base)}.navbar.scrolled{box-shadow:var(--shadow-md)}.navbar .container{display:flex;align-items:center;justify-content:space-between;height:100%}.nav-logo{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-heading);font-size:1.2rem;font-weight:700;color:var(--color-text-primary);text-decoration:none;transition:opacity var(--transition-fast)}.nav-logo:hover{opacity:.8;color:var(--color-text-primary);text-decoration:none}.nav-logo-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--color-accent-gradient);border-radius:var(--radius-sm);font-size:1.1rem}.site-logo-img{display:block;max-width:230px;height:44px;width:auto}.logo-dark-only{display:none!important}.logo-light-only{display:block!important}body.dark-theme .logo-light-only{display:none!important}body.dark-theme .logo-dark-only{display:block!important}.nav-links{display:flex;align-items:center;gap:var(--space-xs);list-style:none}.nav-links a{display:block;padding:var(--space-sm) var(--space-md);color:var(--color-text-secondary);font-size:.9rem;font-weight:500;border-radius:var(--radius-sm);transition:color var(--transition-fast),background-color var(--transition-fast);text-decoration:none}.nav-links a:hover{color:var(--color-text-primary);background:var(--color-surface-muted);text-decoration:none}.nav-links a.active{color:var(--color-accent);background:var(--color-accent-lighter)}.nav-hamburger{display:none;flex-direction:column;gap:5px;padding:var(--space-sm);cursor:pointer;z-index:1001}.nav-hamburger span{display:block;width:22px;height:2px;background:var(--color-text-primary);border-radius:2px;transition:transform var(--transition-base),opacity var(--transition-fast)}.nav-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-hamburger.open span:nth-child(2){opacity:0}.nav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-mobile-overlay{display:none;position:fixed;inset:0;background:#0000004d;z-index:999;opacity:0;transition:opacity var(--transition-base)}.nav-mobile-overlay.visible{opacity:1}.nav-mobile-menu{display:none;position:fixed;top:0;right:-300px;width:300px;height:100vh;background:var(--color-surface);border-left:1px solid var(--color-border);z-index:1000;padding:calc(var(--nav-height) + var(--space-xl)) var(--space-lg) var(--space-lg);transition:transform var(--transition-slow);transform:translate(0);overflow-y:auto;box-shadow:var(--shadow-xl)}.nav-mobile-menu.open{transform:translate(-300px)}.nav-mobile-menu a{display:block;padding:var(--space-md) var(--space-lg);color:var(--color-text-secondary);font-size:1rem;font-weight:500;border-radius:var(--radius-sm);margin-bottom:var(--space-xs);text-decoration:none;transition:color var(--transition-fast),background-color var(--transition-fast)}.nav-mobile-menu a:hover,.nav-mobile-menu a.active{color:var(--color-accent);background:var(--color-accent-lighter);text-decoration:none}.footer{border-top:1px solid var(--color-border);background:var(--color-surface);padding:var(--space-3xl) 0 var(--space-2xl) 0}.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-2xl)}.footer-brand p{color:var(--color-text-secondary);font-size:.9rem;margin-top:var(--space-sm);max-width:340px}.footer-links h4{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);margin-bottom:var(--space-md)}.footer-links ul{list-style:none}.footer-links li{margin-bottom:var(--space-sm)}.footer-links a{color:var(--color-text-secondary);font-size:.9rem;text-decoration:none}.footer-links a:hover{color:var(--color-accent)}.footer-bottom{margin-top:var(--space-2xl);padding-top:var(--space-lg);border-top:1px solid var(--color-border);display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:var(--space-md);text-align:center}.footer-bottom p{color:var(--color-text-muted);font-size:.85rem}.hero{text-align:center;padding:var(--space-3xl) 0 var(--space-xl);position:relative}.hero-icon{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;background:var(--color-accent-gradient);border-radius:var(--radius-lg);font-size:2rem;margin-bottom:var(--space-lg);box-shadow:0 8px 24px #2563eb33;animation:float 4s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;color:var(--color-text-primary);margin-bottom:var(--space-md);letter-spacing:-.02em}.hero-subtitle{font-size:clamp(1rem,2.5vw,1.15rem);color:var(--color-text-secondary);max-width:600px;margin:0 auto;line-height:1.7;text-wrap:pretty}.section-heading{display:flex;align-items:center;gap:var(--space-sm);font-size:1.5rem;margin-bottom:var(--space-lg);text-wrap:balance}.section-heading .icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-accent-light);border-radius:var(--radius-sm);font-size:1.2rem;flex-shrink:0}.section-subheading{font-size:1.1rem;margin-top:var(--space-xl);margin-bottom:var(--space-md);color:var(--color-accent)}.content-section{margin-top:var(--space-2xl)}.content-section p{color:var(--color-text-secondary);margin-bottom:var(--space-md);line-height:1.8}.content-section ul,.content-section ol{color:var(--color-text-secondary);margin-bottom:var(--space-md);padding-left:var(--space-sm)}.content-section li{margin-bottom:var(--space-sm);padding-left:var(--space-xs)}.content-section li::marker{color:var(--color-accent)}.content-section strong{color:var(--color-text-primary);font-weight:600}.faq-list{display:flex;flex-direction:column;gap:var(--space-sm)}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:border-color var(--transition-base)}.faq-item:hover{border-color:var(--color-border-hover)}.faq-item summary{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);font-weight:600;font-size:.95rem;cursor:pointer;user-select:none;color:var(--color-text-primary);background:var(--color-surface-muted);transition:background-color var(--transition-fast);list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";margin-left:auto;font-size:1.2rem;font-weight:400;color:var(--color-text-muted);transition:transform var(--transition-base);flex-shrink:0}.faq-item[open] summary:after{content:"−";color:var(--color-accent)}.faq-item summary:hover{background:var(--color-surface-active)}.faq-item summary:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:-2px}.faq-answer{padding:var(--space-lg);color:var(--color-text-secondary);line-height:1.8;border-top:1px solid var(--color-border);animation:fadeSlideDown .25s ease}.ruler-controls{display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap;padding:var(--space-md) var(--space-lg);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);margin-bottom:var(--space-md);box-shadow:var(--shadow-sm)}.unit-switch{display:flex;background:var(--color-surface-muted);border-radius:var(--radius-full);padding:3px;border:1px solid var(--color-border)}.unit-switch input[type=radio]{display:none}.unit-switch label{padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-full);font-size:.85rem;font-weight:600;cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast),box-shadow var(--transition-fast);color:var(--color-text-muted)}.unit-switch input[type=radio]:checked+label{background:var(--color-accent);color:var(--color-text-on-accent);box-shadow:0 1px 4px #2563eb4d}.control-btn{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;color:var(--color-text-secondary);background:var(--color-surface-muted);border:1px solid var(--color-border);transition:color var(--transition-fast),background-color var(--transition-fast),border-color var(--transition-fast)}.control-btn:hover{color:var(--color-text-primary);background:var(--color-surface-active);border-color:var(--color-border-hover)}.control-btn .btn-icon{font-size:1rem}@media(max-width:768px){.ruler-controls{padding:var(--space-sm);justify-content:flex-start;gap:var(--space-xs);flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.ruler-controls::-webkit-scrollbar{display:none}.control-btn,.unit-switch,.calibration-status{flex-shrink:0}.unit-switch label{padding:var(--space-xs) var(--space-md);font-size:.8rem}.control-btn{padding:var(--space-xs) var(--space-sm);font-size:.75rem}}.ruler-wrapper{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:2px solid var(--color-accent);box-shadow:0 4px 16px #2563eb1a;background:#fff}.ruler-wrapper canvas{display:block;width:100%;cursor:crosshair}.ruler-wrapper.vertical{max-width:120px;margin:0 auto}.calibration-status{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-md);border-radius:var(--radius-full);font-size:.8rem;font-weight:500;margin-left:auto}.calibration-status.detected{background:var(--color-success-light);color:var(--color-success);border:1px solid rgba(5,150,105,.2)}.calibration-status.calibrated{background:var(--color-accent-light);color:var(--color-accent);border:1px solid rgba(37,99,235,.2)}.calibration-status.unknown{background:var(--color-warning-light);color:var(--color-warning);border:1px solid rgba(217,119,6,.2)}.status-dot{width:7px;height:7px;border-radius:50%;animation:pulse 2s infinite}.detected .status-dot{background:var(--color-success)}.calibrated .status-dot{background:var(--color-accent)}.unknown .status-dot{background:var(--color-warning)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.quick-calibration{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--color-accent-lighter);border:1px solid var(--color-accent-light);border-radius:var(--radius-md);margin-top:var(--space-md);flex-wrap:wrap}.quick-calibration label{font-size:.9rem;color:var(--color-text-secondary);white-space:nowrap}.quick-calibration-row{display:flex;align-items:center;gap:var(--space-sm)}.quick-calibration-unit{font-size:.9rem;color:var(--color-text-secondary);white-space:nowrap}.quick-calibration input[type=number]{width:90px;padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-primary);text-align:center}.quick-calibration input[type=number]:focus{outline:none;border-color:var(--color-border-focus);box-shadow:var(--shadow-focus)}.btn-primary{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-lg);background:var(--color-accent);color:var(--color-text-on-accent);font-weight:600;font-size:.85rem;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:background-color var(--transition-fast),transform var(--transition-fast);box-shadow:0 1px 4px #2563eb40}.btn-primary:hover{background:var(--color-accent-hover);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}.modal-overlay{display:none;position:fixed;inset:0;background:#0f172a66;backdrop-filter:blur(4px);z-index:2000;align-items:center;justify-content:center;padding:var(--space-lg);animation:fadeIn .2s ease}.modal-overlay.active{display:flex}.modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);max-width:560px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:slideUp .3s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg) var(--space-xl);border-bottom:1px solid var(--color-border)}.modal-header h3{display:flex;align-items:center;gap:var(--space-sm);font-size:1.15rem}.modal-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:1.1rem;color:var(--color-text-muted);transition:color var(--transition-fast),background-color var(--transition-fast)}.modal-close:hover{background:var(--color-surface-muted);color:var(--color-text-primary)}.modal-body{padding:var(--space-xl)}.calibration-method{border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:var(--space-md);overflow:hidden}.calibration-method summary{padding:var(--space-md) var(--space-lg);font-weight:600;font-size:.95rem;cursor:pointer;background:var(--color-surface-muted);transition:background-color var(--transition-fast);list-style:none}.calibration-method summary::-webkit-details-marker{display:none}.calibration-method summary:hover{background:var(--color-surface-active)}.method-content{padding:var(--space-lg);border-top:1px solid var(--color-border)}.method-content p{color:var(--color-text-secondary);font-size:.9rem;margin-bottom:var(--space-md)}.credit-card-area{text-align:center;margin:var(--space-lg) 0}.credit-card-sizer{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;background:var(--color-accent-lighter);border:2px dashed var(--color-accent);border-radius:var(--radius-md);color:var(--color-accent);font-weight:600;font-size:.9rem}.credit-card-sizer .sub{font-size:.8rem;font-weight:400;opacity:.75}.ppi-slider-container{margin:var(--space-md) 0}.ppi-slider{width:100%;height:6px;-webkit-appearance:none;appearance:none;background:var(--color-surface-muted);border-radius:3px;outline:none;border:1px solid var(--color-border)}.ppi-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--color-accent);cursor:pointer;box-shadow:0 1px 6px #2563eb66}.ppi-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--color-accent);cursor:pointer;border:none}.ppi-slider:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}.ppi-display{text-align:center;font-size:.9rem;color:var(--color-text-secondary);margin-top:var(--space-sm)}.ppi-display strong{color:var(--color-accent);font-size:1.1rem;font-variant-numeric:tabular-nums}.modal-btn{width:100%;padding:var(--space-md);border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;margin-top:var(--space-md);transition:background-color var(--transition-fast),transform var(--transition-fast)}.modal-btn.primary{background:var(--color-accent);color:var(--color-text-on-accent);box-shadow:0 1px 6px #2563eb33}.modal-btn.primary:hover{background:var(--color-accent-hover);transform:translateY(-1px)}.contact-form{display:flex;flex-direction:column;gap:var(--space-lg)}.form-group{display:flex;flex-direction:column;gap:var(--space-sm)}.form-group label{font-size:.9rem;font-weight:600;color:var(--color-text-secondary)}.form-group input,.form-group textarea{padding:var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-border-focus);box-shadow:var(--shadow-focus)}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--color-text-muted)}.form-group textarea{min-height:140px;resize:vertical}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-lg);margin-top:var(--space-lg)}.feature-card{padding:var(--space-xl);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-base),transform var(--transition-base),box-shadow var(--transition-base)}.feature-card:hover{border-color:var(--color-border-accent);transform:translateY(-3px);box-shadow:var(--shadow-md)}.feature-card .feature-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--color-accent-lighter);border-radius:var(--radius-sm);font-size:1.4rem;margin-bottom:var(--space-md)}.feature-card h3{font-size:1.05rem;margin-bottom:var(--space-sm)}.feature-card p{color:var(--color-text-secondary);font-size:.9rem;line-height:1.6}.page-header{text-align:center;padding:var(--space-2xl) 0}.page-header h1{font-size:clamp(1.8rem,4vw,2.4rem);font-weight:800;color:var(--color-text-primary);margin-bottom:var(--space-md)}.page-header p{color:var(--color-text-secondary);font-size:1.05rem;max-width:520px;margin:0 auto;text-wrap:pretty}.legal-content h2{font-size:1.25rem;margin-top:var(--space-2xl);margin-bottom:var(--space-md);color:var(--color-text-primary);padding-bottom:var(--space-sm);border-bottom:2px solid var(--color-accent-light)}.legal-content h3{font-size:1.05rem;margin-top:var(--space-xl);margin-bottom:var(--space-sm);color:var(--color-text-primary)}.legal-content p{color:var(--color-text-secondary);margin-bottom:var(--space-md);line-height:1.8}.legal-content ul{color:var(--color-text-secondary);margin-bottom:var(--space-md)}.legal-content li{margin-bottom:var(--space-sm)}.legal-content li::marker{color:var(--color-accent)}.legal-content strong{color:var(--color-text-primary)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes 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.method-content{background:var(--color-surface)}body.dark-theme .device-select{background-color:var(--color-bg-primary);border-color:var(--color-border);color:var(--color-text-primary);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%2364748b' fill='none' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E")}body.dark-theme .device-select:focus{border-color:var(--color-accent)}body.dark-theme .modal-header{background:var(--color-surface)}body.popup-mode{background-color:#fff;min-height:auto;overflow:hidden!important}body.dark-theme.popup-mode{background-color:var(--color-bg-primary)}body.popup-mode .navbar,body.popup-mode .footer,body.popup-mode .skip-link,body.popup-mode .hero,body.popup-mode .content-section,body.popup-mode #faq{display:none!important}body.popup-mode .page-content{padding:0!important;min-height:auto!important}body.popup-mode .container{max-width:100%!important;width:100%!important;padding:0!important}body.popup-mode .ruler-controls{margin-bottom:0;padding:var(--space-xs) var(--space-sm);border-radius:0;border-left:none;border-right:none;border-top:none;box-shadow:none}body.popup-mode .quick-calibration,body.popup-mode .ruler-controls .calibration-status,body.popup-mode #orient-switch-container{display:none!important}.home-page-spacer{height:calc(100vh - 32px - var(--hero-banner-height));pointer-events:none}@media(max-width:768px){.home-page-spacer{height:100vh}}.home-hero-banner{position:fixed;top:var(--nav-height);left:0;right:0;height:var(--hero-banner-height);background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);z-index:950;display:flex;align-items:center;box-sizing:border-box;overflow:hidden;padding:0 var(--space-lg)}body.dark-theme 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.hero-banner-title{background:linear-gradient(135deg,#60a5fa,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-banner-subtitle{font-size:.82rem;color:var(--color-text-secondary);margin:0;line-height:1.4;max-width:520px;flex-shrink:1}.hero-banner-calibration{display:flex;align-items:center;gap:var(--space-sm);margin-left:auto;font-size:.85rem}.hero-banner-calibration label{font-weight:600;color:var(--color-text-primary);white-space:nowrap}.hero-banner-calibration input[type=number]{width:70px;padding:4px 8px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-full);color:var(--color-text-primary);font-weight:600;text-align:center;outline:none}.hero-banner-calibration input[type=number]:focus{border-color:var(--color-accent)}.hero-banner-calibration span{color:var(--color-text-muted)}.home-page-app .page-content{padding-top:0!important;padding-bottom:0!important;min-height:auto!important}body.popup-mode 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h3{font-size:1.4rem;margin-bottom:var(--space-xs);color:var(--color-text-primary)}.welcome-overlay p{color:var(--color-text-secondary);font-size:.9rem;margin-bottom:var(--space-lg)}.welcome-btn-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-sm);width:100%}.welcome-btn{display:flex;flex-direction:column;align-items:flex-start;padding:var(--space-md);border-radius:var(--radius-md);background:var(--color-surface-muted);border:1px solid var(--color-border);text-align:left;transition:all var(--transition-fast)}body.dark-theme .welcome-btn{background:var(--color-surface)}.welcome-btn:hover{background:var(--color-accent-lighter);border-color:var(--color-border-accent);transform:translateY(-2px)}body.dark-theme .welcome-btn:hover{background:var(--color-accent-light)}.welcome-btn .edge-name{font-family:monospace;font-size:.7rem;font-weight:700;color:var(--color-text-muted);margin-bottom:2px}.welcome-btn 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var(--transition-fast),background-color var(--transition-fast)}.workspace-guide-line.horizontal{left:0;right:0;height:2px;cursor:row-resize}.workspace-guide-line.vertical{top:0;bottom:0;width:2px;cursor:col-resize}.workspace-guide-line:hover{opacity:1;background-color:var(--color-error)}.crosshair-line-h{position:absolute;left:0;right:0;height:1px;border-top:1px dashed var(--color-accent);opacity:.4;pointer-events:none;z-index:26;display:none}.crosshair-line-v{position:absolute;top:0;bottom:0;width:1px;border-left:1px dashed var(--color-accent);opacity:.4;pointer-events:none;z-index:26;display:none}.crosshair-readout{position:absolute;background:var(--color-accent);color:#fff;padding:4px 8px;border-radius:var(--radius-sm);font-size:.75rem;font-family:monospace;pointer-events:none;z-index:27;display:none;white-space:nowrap;box-shadow:var(--shadow-md);font-variant-numeric:tabular-nums;transform:translate(12px,-50%)}