:root{--bg-page:#f8fafc;--bg-card:#fff;--bg-glass:rgba(255,255,255,.7);--text-main:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--text-light:#94a3b8;--primary:#4f46e5;--primary-hover:#4338ca;--primary-surface:#e0e7ff;--success:#10b981;--success-surface:#d1fae5;--danger:#ef4444;--danger-surface:#fee2e2;--warning:#f59e0b;--warning-surface:#fef3c7;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--shadow-glow:0 0 20px rgba(79,70,229,.15);--backdrop-blur:16px;--border-subtle:rgba(148,163,184,.1);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--max-width:1000px}[data-theme="dark"]{--bg-page:#020617;--bg-card:#0f172a;--bg-glass:rgba(15,23,42,.6);--text-main:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--text-light:#64748b;--primary-surface:rgba(79,70,229,.1);--success-surface:rgba(16,185,129,.1);--danger-surface:rgba(239,68,68,.1);--warning-surface:rgba(245,158,11,.1);--border-subtle:rgba(255,255,255,.08);--shadow-glow:0 0 30px rgba(79,70,229,.2)}*{box-sizing:border-box}body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg-page);color:var(--text-main);line-height:1.6;margin:0;transition:background-color .3s ease,color .3s ease;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{line-height:1.2;margin-top:0;font-weight:700;letter-spacing:-.025em}.main-container{max-width:var(--max-width);margin:0 auto;padding:2rem 1.5rem 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ease}.scanner-wrapper:hover{box-shadow:var(--shadow-xl),0 0 0 1px rgba(79,70,229,.1)}.scanner-viewbox{background:#000;border-radius:var(--radius-lg);overflow:hidden;position:relative;aspect-ratio:1/1;max-width:480px;margin:0 auto;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}@media(min-width:768px){.scanner-viewbox{aspect-ratio:4/3}}.scanner-overlay{position:absolute;inset:0;pointer-events:none;z-index:10}.scan-region-highlight{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:70%;height:70%;border-radius:var(--radius-lg);box-shadow:0 0 0 9999px rgba(0,0,0,.7)}.scan-marker{position:absolute;width:40px;height:40px;border-color:rgba(255,255,255,.5);border-style:solid;transition:.3s;pointer-events:none}.scan-marker-tl{top:20px;left:20px;border-width:4px 0 0 4px;border-radius:12px 0 0 0}.scan-marker-tr{top:20px;right:20px;border-width:4px 4px 0 0;border-radius:0 12px 0 0}.scan-marker-bl{bottom:20px;left:20px;border-width:0 0 4px 4px;border-radius:0 0 0 12px}.scan-marker-br{bottom:20px;right:20px;border-width:0 4px 4px 0;border-radius:0 0 12px 0}.scanner-wrapper:hover .scan-marker{border-color:var(--primary);width:45px;height:45px}.scan-laser{width:100%;height:2px;background:#4f46e5;box-shadow:0 0 20px #4f46e5,0 0 10px #818cf8;position:absolute;top:50%;animation:scan-move 2.5s infinite linear;opacity:.8}@keyframes scan-move{0%{transform:translateY(-120px);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(120px);opacity:0}}.scanner-placeholder-bg{background:radial-gradient(circle at center,rgba(30,41,59,1) 0%,#000 100%),linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:100% 100%,30px 30px,30px 30px;pointer-events:auto;z-index:20}.camera-access-text{font-size:1rem;color:rgba(255,255,255,.8);margin-bottom:1.5rem}.scanner-icon-pulse{animation:icon-pulse 3s infinite ease-in-out}@keyframes icon-pulse{0%,100%{transform:scale(1);opacity:.7}50%{transform:scale(1.05);opacity:1;text-shadow:0 0 20px rgba(255,255,255,.3)}}.btn-group-segmented{background:var(--bg-page);padding:4px;border-radius:99px;display:inline-flex;gap:0;border:1px solid var(--border-subtle);margin-bottom:2rem;box-shadow:inset 0 2px 4px rgba(0,0,0,.03);position:relative;z-index:5}.btn-segment{border:0;background:transparent;padding:.6rem 1.5rem;border-radius:99px;font-weight:500;font-size:.9rem;color:var(--text-muted);cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;gap:.5rem;position:relative}.btn-segment:hover{color:var(--text-main)}.btn-segment.active{background:var(--bg-card);color:var(--primary);font-weight:600;box-shadow:0 2px 6px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04)}.btn-primary{background:var(--primary);color:#fff;border:0;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;box-shadow:0 4px 6px -1px rgba(79,70,229,.3)}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 8px -1px rgba(79,70,229,.4)}.btn-pr.history-item:hover{border-color:var(--primary-surface);transform:translateX(4px);background:var(--bg-card);box-shadow:0 4px 12px rgba(0,0,0,.02)}.history-item:hover .delete-btn{opacity:1}.delete-btn{opacity:0;transition:opacity .2s;color:var(--danger)}@media(max-width:768px){.delete-btn{opacity:1}}.btn-icon-sm{background:transparent;border:0;cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:1.1rem;transition:all .2s}.btn-icon-sm:hover{background:var(--danger-surface);color:var(--danger)}.scanner-ui-split .scanner-wrapper{margin-bottom:0}.upload-drop-zone{border:2px dashed var(--border-subtle);border-radius:var(--radius-xl);padding:3rem 2rem;text-align:center;background:var(--bg-page);cursor:pointer;transition:all .2s ease;min-height:320px;display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative;overflow:hidden}.upload-drop-zone:hover,.upload-drop-zone.drag-over{border-color:var(--primary);background:var(--primary-surface)}.upload-icon{font-size:4rem;color:#f59e0b;margin-bottom:1.5rem;filter:drop-shadow(0 4px 6px rgba(0,0,0,.1));transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.upload-drop-zone:hover .upload-icon{transform:scale(1.1) rotate(-5deg)}.upload-text-main{font-size:1.25rem;font-weight:700;color:var(--text-main);margin-bottom:.5rem}.upload-text-sub{font-size:.95rem;color:var(--text-muted)}.scan-result-card{flex:1 1 350px;max-width:500px;background:var(--bg-card);border-radius:var(--radius-xl);padding:2rem;border:1px solid var(--border-subtle);box-shadow:var(--shadow-lg);animation:slideUpFade .4s 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button{flex:1;justify-content:center}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes scaleUp{from{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}@keyframes slideUpFade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.scan-success-header{display:flex;align-items:center;gap:.5rem;color:var(--success);font-weight:600;margin-bottom:1.5rem}.scan-content-box{background:var(--bg-page);padding:1.25rem;border-radius:var(--radius-lg);border:1px solid var(--border-subtle);margin-bottom:1.5rem}.scan-label{font-size:.75rem;font-weight:700;color:var(--text-light);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.scan-text{font-family:'Inter',monospace;word-break:break-all;font-size:1.05rem;color:var(--text-main);line-height:1.5}.bento-grid{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-top:3rem}@media(min-width:900px){.bento-grid{grid-template-columns:repeat(2,1fr)}}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:1.5rem;height:100%;transition:transform .2s,box-shadow .2s}.card:hover{box-shadow:var(--shadow-md);border-color:rgba(79,70,229,.2)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.card-title{font-size:1.1rem;font-weight:700;margin:0;color:var(--text-main);display:flex;align-items:center;gap:.5rem}.history-item{padding:.75rem;border-radius:var(--radius-md);background:var(--bg-page);display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.5rem;transition:.2s}.history-item:hover{background:var(--primary-surface)}.history-icon-wrapper{width:36px;height:36px;border-radius:var(--radius-md);background:var(--bg-card);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:var(--shadow-sm)}.history-content{flex:1;overflow:hidden}.history-text{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.faq-list{display:flex;flex-direction:column;gap:.5rem}.faq-item{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-page)}.faq-question{padding:1rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--text-main);transition:background .2s}.faq-question:hover{background:rgba(0,0,0,.02)}.faq-answer{padding:0 1rem 1rem;color:var(--text-muted);font-size:.95rem;display:none;border-top:1px solid var(--border-subtle);padding-top:1rem}.faq-item.active .faq-answer{display:block}.text-center{text-align:center}.mb-4{margin-bottom:1.5rem}.mt-2{margin-top:.5rem}.hidden{display:none!important}.flex{display:flex}.justify-center{justify-content:center}.items-center{align-items:center}.gap-2{gap:.5rem}.w-full{width:100%}.badge{padding:.35em .65em;border-radius:99px;font-size:.75rem;font-weight:600;line-height:1;background:var(--border-subtle);color:var(--text-secondary);display:inline-flex;align-items:center;gap:.35rem;vertical-align:middle}.badge-success{background:var(--success-surface);color:var(--success)}.badge-warning{background:var(--warning-surface);color:var(--warning)}.badge-url{background:var(--primary-surface);color:var(--primary)}.badge-text{background:var(--bg-page);color:var(--text-secondary);border:1px solid var(--border-subtle)}.guide-card{display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit}.glass-alert{padding:1rem;border-radius:var(--radius-md);background:var(--bg-page);border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;gap:.75rem;font-weight:500;margin-bottom:1.5rem;color:var(--text-main)}.glass-alert-success{background:var(--success-surface);color:var(--success);border-color:rgba(16,185,129,.2);color:#059669}.glass-alert-danger{background:var(--danger-surface);color:#dc2626;border-color:rgba(239,68,68,.2)}.glass-alert-warning{background:var(--warning-surface);color:#d97706;border-color:rgba(245,158,11,.2)}.spinner{width:20px;height:20px;border:2px solid rgba(0,0,0,.1);border-left-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.hero-p{max-width:540px}.video-cover{object-fit:cover}.scanner-icon-lg{font-size:3rem;color:rgba(255,255,255,.8)}.text-shadow-md{text-shadow:0 2px 4px rgba(0,0,0,.5)}.btn-primary-scanner{padding:.75rem 2rem;font-size:1rem;box-shadow:0 4px 12px rgba(79,70,229,.4);z-index:30}.troubleshooting-link{font-size:.9rem;color:var(--text-muted);text-decoration:none;display:inline-flex;align-items:center;gap:.35rem;transition:color .2s}.troubleshooting-link:hover{color:var(--primary)}.scan-content-box-styled{background:var(--bg-page);border:1px solid var(--border-subtle)}.scan-label-styled{font-size:.75rem;letter-spacing:.05em}.container-narrow{max-width:800px;margin-left:auto;margin-right:auto}.container-center-600{max-width:600px;margin:0 auto}.page-heading{font-size:2.5rem;font-weight:800;color:var(--text-main);margin-bottom:1rem}.page-subheading{font-size:1.2rem;color:var(--text-muted);max-width:600px;margin:0 auto}.section-heading{font-size:1.75rem;margin-bottom:1.5rem;color:var(--text-main)}.article-text{margin-bottom:1.5rem;line-height:1.7;color:var(--text-muted)}.article-text-lg{margin-bottom:2rem;line-height:1.7;color:var(--text-muted)}.features-grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin:3rem 0}.feature-icon-lg{font-size:2.5rem;margin-bottom:.5rem}.feature-title-sm{font-size:1.1rem;font-weight:700}.feature-desc-sm{font-size:.9rem;color:var(--text-light)}.btn-pill{border-radius:99px;text-decoration:none}.btn-pill-lg{padding:.75rem 2rem;font-size:1.1rem}.article-content{line-height:1.8;font-size:1.125rem}.article-content h2{font-size:1.75rem;margin-top:2rem;margin-bottom:1rem;color:var(--text-main);font-weight:700}.article-content h3{font-size:1.4rem;margin-top:1.5rem;margin-bottom:.75rem;color:var(--text-main);font-weight:600}.article-content p{margin-bottom:1.5rem}.article-content ul{margin-bottom:1.5rem;padding-left:1.5rem}.article-content li{margin-bottom:.5rem}.navbar-glass{background-color:var(--bg-surface);backdrop-filter:blur(12px);border-color:var(--border-subtle)!important}.nav-spacer{height:76px}.footer-styled{background-color:var(--bg-card);border-color:var(--border-subtle)!important}.border-subtle-important{border-color:var(--border-subtle)!important}.footer-logo{filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.footer-logo-text{color:var(--bs-navbar-brand-color)}.footer-link{color:var(--text-muted);text-decoration:none;font-size:.95rem;transition:all .2s;display:inline-block}.footer-link:hover{color:var(--primary);transform:translateX(4px)}.btn-icon-glass{width:36px;height:36px;border-radius:var(--radius-md);background:var(--bg-page);border:1px solid var(--border-subtle);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;text-decoration:none;transition:all .2s}.btn-icon-glass:hover{background:var(--primary-surface);color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 6px -1px rgba(0,0,0,.1)}.alert-popup{position:fixed;top:20px;right:20px;z-index:2000;display:flex;align-items:center;gap:.75rem;box-shadow:0 10px 15px -3px rgba(0,0,0,.1);animation:slideIn .3s ease}.alert-popup.closing{animation:slideOut .3s ease forwards}@keyframes slideIn{from{transform:translateX(400px);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes slideOut{from{transform:translateX(0);opacity:1}to{transform:translateX(400px);opacity:0}}.history-empty-state{padding:2rem 1rem}.history-empty-icon{margin-bottom:1rem;opacity:.1;color:var(--text-main)}.history-empty-icon i{font-size:3rem}.history-empty-text{color:var(--text-muted);font-size:.95rem}.history-item-badge{font-size:.65rem;padding:2px 6px;margin-right:6px}.history-actions-flex{display:flex;align-items:center;gap:.5rem}.history-arrow-icon{color:var(--text-light)}.alert-icon{font-size:1.25rem}@media print{header,footer,.nav-spacer,.theme-toggle,.btn,.d-print-none{display:none!important}body{background:#fff!important;color:#000!important;padding:0!important;margin:0!important}.glass-container{background:transparent!important;box-shadow:none!important;border:0!important;padding:0!important;margin:0!important;color:#000!important;overflow:visible!important}.main-container,.container{max-width:100%!important;width:100%!important;padding:0!important;margin:0!important}h1,h2,h3,h4,h5,h6,p,li,span,div{color:#000!important;text-shadow:none!important}a{text-decoration:underline;color:#000!important}}