:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#3b82f6;--primary-dark:#1e40af;--bg:#f8fafc;--card:#fff;--text:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--radius:14px;--radius-sm:10px;--radius-lg:18px;--shadow:0 4px 24px #0000000f;--shadow-lg:0 10px 40px #00000014;--input-bg:#fff;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--transition:all .2s ease}[data-theme=dark]{--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#60a5fa;--primary-dark:#1e40af;--bg:#0f172a;--card:#1e293b;--text:#f1f5f9;--text-muted:#94a3b8;--border:#334155;--shadow:0 4px 24px #00000059;--shadow-lg:0 10px 40px #00000073;--input-bg:#1e293b;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{color:var(--text);-webkit-font-smoothing:antialiased;background:linear-gradient(165deg,#f8fafc 0%,#f1f5f9 100%);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;transition:background .3s,color .3s}[data-theme=dark] body{background:linear-gradient(165deg,#0f172a 0%,#1e293b 100%)}button,input,select,textarea{font-family:inherit}a{color:inherit;text-decoration:none}.app{flex-direction:column;width:100%;max-width:1400px;min-height:100vh;margin:0 auto;padding:24px 24px 80px;display:flex;overflow-x:hidden}.loading-screen{min-height:100vh;color:var(--text-muted);background:var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.spinner-lg{border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:48px;height:48px;animation:.75s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.app-header{justify-content:space-between;align-items:center;gap:24px;margin-bottom:6px;padding:14px 0 18px;display:flex}.brand{flex-shrink:0;align-items:center;gap:12px;display:flex}.brand-logo{background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:12px;justify-content:center;align-items:center;width:42px;height:42px;font-size:1.3rem;display:flex;box-shadow:0 4px 16px #3b82f64d}.brand-text h1{color:#1e40af;letter-spacing:-.03em;margin:0;font-size:1.25rem;font-weight:700;line-height:1.15}.brand-text span{color:#94a3b8;font-size:.75rem;font-weight:500}[data-theme=dark] .brand-text h1{color:#93c5fd}.header-tools{flex:1;justify-content:center;display:flex}.tool-group{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#f1f5f9cc;border:1px solid #e2e8f0;border-radius:14px;align-items:center;gap:2px;padding:4px;display:flex}[data-theme=dark] .tool-group{background:#1e293bb3;border-color:#334155}.tool-btn{cursor:pointer;color:#475569;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;width:38px;height:38px;font-size:1.05rem;transition:all .15s;display:flex;position:relative}.tool-btn:hover{color:#1e40af;background:#fff;box-shadow:0 2px 8px #0000000f}[data-theme=dark] .tool-btn{color:#94a3b8}[data-theme=dark] .tool-btn:hover{color:#e2e8f0;background:#334155}.tool-btn .badge{color:#fff;background:#ef4444;border-radius:99px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 4px;font-size:.65rem;font-weight:700;display:flex;position:absolute;top:2px;right:2px}.header-end{flex-shrink:0;align-items:center;gap:8px;display:flex}.theme-btn{background:#f1f5f9;border:1px solid #e2e8f0}[data-theme=dark] .theme-btn{background:#1e293b;border-color:#334155}.user-pill{color:#64748b;white-space:nowrap;text-overflow:ellipsis;background:#f8fafc;border:1px solid #e2e8f0;border-radius:99px;max-width:170px;padding:7px 14px;font-size:.8rem;overflow:hidden}[data-theme=dark] .user-pill{color:#94a3b8;background:#1e293b;border-color:#334155}.ghost-btn{color:#64748b;cursor:pointer;background:0 0;border:1px solid #e2e8f0;border-radius:10px;padding:8px 14px;font-size:.85rem;font-weight:500;transition:all .15s}.ghost-btn:hover{color:#334155;background:#f1f5f9}[data-theme=dark] .ghost-btn{color:#94a3b8;border-color:#334155}[data-theme=dark] .ghost-btn:hover{color:#e2e8f0;background:#334155}.primary-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#2563eb,#4f46e5);border:none;border-radius:11px;padding:9px 18px;font-size:.875rem;font-weight:600;transition:all .2s;box-shadow:0 4px 14px #2563eb4d}.primary-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #2563eb66}.view-tabs{gap:6px;margin-bottom:24px;display:flex}.view-tabs .tab{color:#64748b;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:10px;align-items:center;gap:6px;padding:8px 18px;font-size:.875rem;font-weight:500;transition:all .2s;display:flex}.view-tabs .tab:hover{color:#334155;background:#f8fafc}.view-tabs .tab.active{color:#fff;background:#2563eb;border-color:#2563eb;box-shadow:0 4px 12px #2563eb40}[data-theme=dark] .view-tabs .tab{color:#94a3b8;background:#1e293b;border-color:#334155}[data-theme=dark] .view-tabs .tab:hover{color:#e2e8f0;background:#334155}[data-theme=dark] .view-tabs .tab.active{color:#fff;background:#3b82f6;border-color:#3b82f6}@media (width<=1100px){.header-tools{display:none}}@media (width<=768px){.app-header{flex-wrap:wrap;gap:12px}.header-end{justify-content:flex-end;width:100%}.ghost-btn{display:none}.user-pill{max-width:140px}}.btn{cursor:pointer;transition:var(--transition);border:none;border-radius:11px;justify-content:center;align-items:center;gap:6px;padding:10px 18px;font-size:.9rem;font-weight:600;line-height:1.2;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.btn-ghost{color:var(--text-muted);background:0 0;border:1px solid #0000}.btn-ghost:hover{background:var(--border);color:var(--text)}.btn-ghost.active{background:var(--primary);color:#fff}.btn-sm{border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;transition:var(--transition);border-radius:8px;margin-right:6px;padding:6px 12px;font-size:.82rem;font-weight:500}.btn-sm:hover{background:var(--border)}.btn-danger{color:#dc2626;background:#fef2f2;border-color:#fecaca}[data-theme=dark] .btn-danger{color:#fca5a5;background:#450a0a;border-color:#7f1d1d}.btn-danger:hover{background:#fee2e2}[data-theme=dark] .btn-danger:hover{background:#7f1d1d}.collection-btn{color:#2563eb;cursor:pointer;white-space:nowrap;background:linear-gradient(135deg,#3b82f614,#8b5cf614);border:1px solid #3b82f640;border-radius:11px;align-items:center;gap:7px;padding:8px 14px;font-size:.85rem;font-weight:600;transition:all .2s;display:flex}.collection-btn:hover{background:linear-gradient(135deg,#3b82f626,#8b5cf626);border-color:#3b82f666;transform:translateY(-1px);box-shadow:0 4px 14px #2563eb26}[data-theme=dark] .collection-btn{color:#93c5fd;background:linear-gradient(135deg,#3b82f626,#8b5cf61f);border-color:#60a5fa40}[data-theme=dark] .collection-btn:hover{background:linear-gradient(135deg,#3b82f640,#8b5cf633);border-color:#60a5fa66}.collection-icon{font-size:1rem}.collection-count{color:#fff;background:#2563eb;border-radius:99px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 5px;font-size:.7rem;font-weight:700;display:flex}[data-theme=dark] .collection-count{background:#3b82f6}.icon-btn{border:1px solid var(--border);background:var(--card);cursor:pointer;width:40px;height:40px;color:var(--text);transition:var(--transition);border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;font-size:.95rem;display:flex;position:relative}.icon-btn:hover{background:var(--border);transform:scale(1.05)}.theme-toggle{font-size:1.15rem}.view-switcher{gap:8px;margin-bottom:20px;display:flex}.view-switcher button{border:1px solid var(--border);background:var(--card);color:var(--text-muted);cursor:pointer;transition:var(--transition);border-radius:10px;padding:8px 18px;font-size:.9rem;font-weight:500}.view-switcher button:hover{color:var(--text);border-color:var(--primary-light)}.view-switcher button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.stats-bar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:22px;display:flex}.stat-card{background:var(--card);border:1px solid var(--border);min-width:110px;box-shadow:var(--shadow);transition:var(--transition);border-radius:12px;flex-direction:column;gap:2px;padding:12px 18px;display:flex}.stat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.stat-value{color:var(--text);font-size:1.4rem;font-weight:700;line-height:1.2}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;font-size:.75rem;font-weight:500}.stat-card.warning .stat-value{color:var(--warning)}.stat-card.caution .stat-value{color:#ca8a04}.stat-card.danger .stat-value{color:var(--danger)}.stat-card.muted .stat-value{color:var(--text-muted)}.refresh-indicator{color:var(--text-muted);margin-left:auto;font-size:.85rem;animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}.toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px;display:flex}.search-wrapper{flex:220px;min-width:180px;max-width:100%;position:relative}.search-icon{pointer-events:none;opacity:.6;font-size:.95rem;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.search-input{border:1px solid var(--border);background:var(--input-bg);width:100%;color:var(--text);transition:var(--transition);border-radius:12px;padding:11px 40px;font-size:.95rem}.search-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 4px #2563eb1f}.clear-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px;font-size:.9rem;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.clear-btn:hover{color:var(--text);background:var(--border)}.filter-pills{flex-wrap:wrap;gap:6px;display:flex}.pill{border:1px solid var(--border);background:var(--card);cursor:pointer;color:var(--text-muted);transition:var(--transition);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:.85rem;font-weight:500;display:inline-flex}.pill:hover{color:var(--text);border-color:var(--primary-light)}.pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}.toolbar-right{flex-wrap:wrap;align-items:center;gap:8px;margin-left:auto;display:flex}.sort-select{border:1px solid var(--border);background:var(--input-bg);color:var(--text);cursor:pointer;border-radius:11px;max-width:160px;padding:10px 14px;font-size:.9rem}.sort-select:focus{border-color:var(--primary);outline:none}.view-toggle{background:var(--card);border:1px solid var(--border);border-radius:10px;display:flex;overflow:hidden}.view-toggle button{cursor:pointer;color:var(--text-muted);transition:var(--transition);background:0 0;border:none;padding:8px 12px;font-size:1rem}.view-toggle button.active{background:var(--primary);color:#fff}.view-toggle button:hover:not(.active){background:var(--border);color:var(--text)}.export-wrapper{position:relative}.export-dropdown{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:100;border-radius:12px;min-width:260px;animation:.15s scaleIn;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden}.export-dropdown button{text-align:left;width:100%;color:var(--text);cursor:pointer;background:0 0;border:none;padding:11px 16px;font-size:.9rem;transition:background .15s}.export-dropdown button:hover{background:var(--bg)}.export-divider{background:var(--border);height:1px;margin:4px 0}.bulk-bar{background:var(--primary);color:#fff;border-radius:12px;align-items:center;gap:12px;margin-bottom:16px;padding:12px 18px;font-weight:500;animation:.25s slideDown;display:flex}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.bulk-bar .btn{color:#fff;background:#fff3;border:1px solid #ffffff4d}.bulk-bar .btn-danger{color:#b91c1c;background:#fee2e2;border-color:#0000}.form-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:100;background:#0f172a8c;justify-content:center;align-items:flex-start;padding:40px 20px;animation:.2s fadeIn;display:flex;position:fixed;inset:0;overflow-y:auto}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.form-panel{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border);width:100%;max-width:720px;padding:28px 32px;animation:.25s scaleIn}@keyframes scaleIn{0%{opacity:0;transform:scale(.96)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.form-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.form-header h2{font-size:1.3rem;font-weight:650}.form-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:20px;display:grid}.form-group{flex-direction:column;gap:6px;display:flex}.form-group input,.form-group select,.form-group textarea{border:1px solid var(--border);background:var(--input-bg);color:var(--text);border-radius:10px;padding:10px 13px;font-size:.95rem;transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.hazard-selector{margin-bottom:24px}.hazard-selector>label{color:var(--text-muted);margin-bottom:10px;font-size:.85rem;font-weight:550;display:block}.hazard-grid{flex-wrap:wrap;gap:8px;display:flex}.hazard-chip{border:1px solid var(--border);background:var(--card);cursor:pointer;color:var(--text);transition:var(--transition);border-radius:10px;align-items:center;gap:6px;padding:8px 12px;font-size:.85rem;display:flex}.hazard-chip:hover{border-color:var(--primary-light)}.hazard-chip.active{font-weight:600}.hazard-emoji{font-size:1.1rem}.form-actions{flex-wrap:wrap;justify-content:flex-end;gap:12px;margin-top:8px;display:flex}.content{flex:1}.skeleton-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;display:grid}.skeleton-card{background:linear-gradient(90deg, var(--border) 25%, var(--card) 50%, var(--border) 75%);border-radius:var(--radius);background-size:200% 100%;height:220px;animation:1.4s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.empty-state{text-align:center;color:var(--text-muted);padding:80px 24px}.empty-icon{opacity:.7;margin-bottom:16px;font-size:3.5rem}.empty-state h3{color:var(--text);margin-bottom:8px;font-size:1.3rem}.empty-state p{max-width:360px;margin-bottom:24px;margin-left:auto;margin-right:auto}.cards-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));align-items:stretch;gap:18px;display:grid;overflow:visible}.chem-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition);flex-direction:column;gap:12px;min-width:0;padding:20px;display:flex;position:relative;overflow:visible}.chem-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}.chem-card.expired{border-left:4px solid var(--danger)}.chem-card.low{border-left:4px solid var(--warning)}.chem-card.soon{border-left:4px solid #ca8a04}.card-checkbox{z-index:2;position:absolute;top:14px;right:14px}.card-header{justify-content:space-between;align-items:flex-start;gap:10px;padding-right:8px;display:flex}.card-header h3{word-break:break-word;font-size:1.1rem;font-weight:650;line-height:1.3}.card-badges{flex-shrink:0;gap:6px;display:flex}.card-meta{color:var(--text-muted);flex-wrap:wrap;gap:10px;font-size:.85rem;display:flex}.meta-item.formula{color:var(--primary);font-family:SF Mono,Fira Code,monospace;font-weight:500}.card-qty{flex-direction:column;gap:6px;display:flex}.qty-value{font-size:1.25rem;font-weight:700}.stock-bar{background:var(--border);border-radius:99px;height:6px;overflow:hidden}.stock-fill{border-radius:99px;height:100%;transition:width .4s}.card-details{grid-template-columns:1fr 1fr;gap:10px;font-size:.88rem;display:grid}.detail-label{color:var(--text-muted);margin-bottom:2px;font-size:.75rem;display:block}.days-left{color:var(--text-muted);margin-top:2px;font-size:.78rem;display:block}.card-hazards{flex-wrap:wrap;align-items:center;gap:6px;font-size:1.15rem;display:flex}.hazard-note{color:var(--warning);margin-left:4px;font-size:.8rem}.card-sds{border-top:1px solid var(--border);padding-top:8px}.sds-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.link-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-size:.85rem;font-weight:550}.link-btn:hover{color:var(--primary-hover);text-decoration:underline}.upload-label,.replace-label{background:var(--border);cursor:pointer;color:var(--text);transition:var(--transition);border-radius:7px;padding:5px 10px;font-size:.8rem;font-weight:500;display:inline-block}.upload-label:hover,.replace-label:hover{background:var(--text-muted);color:#fff}.upload-progress{color:var(--text-muted);flex-direction:column;gap:4px;font-size:.8rem;display:flex}.upload-bar{background:var(--primary);border-radius:99px;height:4px;transition:width .2s}.card-actions{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:8px;margin-top:auto;padding-top:10px;display:flex;overflow:visible}.card-actions .btn,.card-actions .btn-sm{white-space:nowrap;flex:auto;justify-content:center;min-width:4.5rem}.card-actions .btn-danger,.card-actions .card-delete-btn{white-space:nowrap;border-radius:8px;flex:none;min-width:5rem;padding:.4rem .85rem;font-weight:600;background:var(--danger)!important;color:#fff!important;border:1px solid var(--danger)!important}.card-actions .btn-danger:hover,.card-actions .card-delete-btn:hover{filter:brightness(1.08)}@media (width<=380px){.card-details{grid-template-columns:1fr}.card-actions .btn,.card-actions .btn-sm{flex:calc(50% - 8px)}}.table-wrapper{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.chem-table{border-collapse:collapse;width:100%;min-width:1100px}.chem-table th,.chem-table td{text-align:left;border-bottom:1px solid var(--border);vertical-align:middle;padding:14px 16px;font-size:.9rem}.chem-table th{background:var(--bg);color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;z-index:1;font-size:.76rem;font-weight:600;position:sticky;top:0}.chem-table tbody tr{transition:background .15s}.chem-table tbody tr:hover{background:#2563eb08}[data-theme=dark] .chem-table tbody tr:hover{background:#3b82f60f}.col-check{width:40px}.mono{font-family:SF Mono,Fira Code,ui-monospace,monospace;font-size:.88rem}.hazard-sub{color:var(--warning);margin-top:3px;font-size:.8rem}.days-sub{color:var(--text-muted);margin-top:2px;font-size:.78rem}.hazard-icons{flex-wrap:wrap;gap:4px;font-size:1.15rem;display:flex}.sds-cell{min-width:130px}.sds-actions{align-items:center;gap:10px;display:flex}.mini-progress{background:var(--border);border-radius:99px;width:80px;height:4px;overflow:hidden}.mini-progress>div{background:var(--primary);height:100%;transition:width .2s}.actions{white-space:nowrap}.row-low{background:#fffbeb}.row-expired{background:#fef2f2}.row-soon{background:#fefce8}[data-theme=dark] .row-low{background:#422006}[data-theme=dark] .row-expired{background:#450a0a}[data-theme=dark] .row-soon{background:#422006}.badge{letter-spacing:.01em;white-space:nowrap;border-radius:20px;padding:4px 11px;font-size:.75rem;font-weight:600;display:inline-block}.badge-green{color:#166534;background:#dcfce7}.badge-orange{color:#c2410c;background:#ffedd5}.badge-red{color:#b91c1c;background:#fee2e2}.badge-yellow{color:#a16207;background:#fef9c3}[data-theme=dark] .badge-green{color:#86efac;background:#14532d}[data-theme=dark] .badge-orange{color:#fdba74;background:#7c2d12}[data-theme=dark] .badge-red{color:#fca5a5;background:#7f1d1d}[data-theme=dark] .badge-yellow{color:#fde047;background:#713f12}.toast{z-index:2000;border-radius:12px;align-items:center;gap:10px;max-width:380px;padding:14px 20px;font-size:.95rem;font-weight:500;animation:.3s slideIn;display:flex;position:fixed;top:24px;right:24px;box-shadow:0 10px 30px #0000002e}.toast-icon{font-size:1.1rem;font-weight:700}.toast-success{color:#fff;background:#166534}.toast-error{color:#fff;background:#b91c1c}@keyframes slideIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}.notif-btn{position:relative}.notif-badge{background:var(--danger);color:#fff;border:2px solid var(--card);z-index:1;border-radius:99px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 4px;font-size:.7rem;font-weight:700;display:flex;position:absolute;top:-4px;right:-4px}.notif-modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0f172a8c;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.notif-modal{background:var(--card);border:1px solid var(--border);border-radius:18px;flex-direction:column;width:min(420px,100%);max-height:min(520px,90vh);display:flex;overflow:hidden;box-shadow:0 20px 50px #00000059}.notif-modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:.75rem;padding:1rem 1.15rem;display:flex}.notif-modal-header h3{margin:0;font-size:1.05rem;font-weight:700}.notif-modal-actions{flex-wrap:wrap;align-items:center;gap:.35rem;display:flex}.notif-modal-actions button{color:var(--primary);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:.3rem .5rem;font-size:.8rem;font-weight:600}.notif-modal-actions button:hover{background:var(--bg)}.notif-modal-actions .icon-btn{border:1px solid var(--border);width:32px;height:32px;color:var(--text);border-radius:8px;justify-content:center;align-items:center;display:inline-flex}.notif-list{flex-direction:column;flex:1;gap:.5rem;max-height:360px;padding:.75rem .9rem;display:flex;overflow-y:auto}.notif-empty{text-align:center;color:var(--text-muted);padding:2.5rem 1.25rem;font-size:.9rem}.notif-item{background:var(--bg);border:1px solid var(--border);cursor:pointer;border-radius:12px;padding:.85rem .95rem;transition:border-color .15s,opacity .15s}.notif-item:hover{border-color:var(--primary)}.notif-item.read{opacity:.55}.notif-item.type-low{border-left:3px solid var(--warning)}.notif-item.type-soon{border-left:3px solid #ca8a04}.notif-item.type-expired{border-left:3px solid var(--danger)}.notif-item.type-low .notif-title{color:var(--warning)}.notif-item.type-soon .notif-title{color:#ca8a04}.notif-item.type-expired .notif-title{color:var(--danger)}.notif-title{margin-bottom:4px;font-size:.9rem;font-weight:700}.notif-message{color:var(--text-muted);margin-bottom:4px;font-size:.85rem;line-height:1.4}.notif-time{color:var(--text-muted);opacity:.85;font-size:.75rem}.notif-footer{border-top:1px solid var(--border);flex-direction:column;gap:.6rem;padding:.85rem 1.15rem;display:flex}.notif-toggle{cursor:pointer;color:var(--text);align-items:center;gap:8px;font-size:.9rem;display:flex}.notif-toggle input{width:16px;height:16px;accent-color:var(--primary)}.app-header,.header{z-index:30;position:relative}.modal,.form-panel,.history-panel,.notif-modal,.command-palette{z-index:90001;position:relative}.form-overlay .modal,.form-overlay .form-panel,.modal-overlay .modal{z-index:90002}.history-panel{background:var(--card);border-radius:var(--radius-lg) 0 0 var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border);flex-direction:column;width:100%;max-width:640px;height:100%;max-height:100vh;margin-left:auto;animation:.25s slideInRight;display:flex}@keyframes slideInRight{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}.history-filters{flex-direction:column;gap:12px;padding:0 20px 16px;display:flex}.history-list{flex:1;padding:0 12px 20px;overflow-y:auto}.history-item{background:var(--bg);border-left:4px solid var(--border);border-radius:12px;justify-content:space-between;gap:16px;margin-bottom:8px;padding:14px 16px;display:flex}.history-item.type-take{border-left-color:var(--danger)}.history-item.type-return{border-left-color:var(--success)}.history-item.type-adjust{border-left-color:var(--primary)}.history-title{align-items:center;gap:10px;margin-bottom:4px;display:flex}.history-type{background:var(--border);border-radius:6px;padding:2px 8px;font-size:.78rem;font-weight:600}.history-type.type-take{color:#b91c1c;background:#fee2e2}.history-type.type-return{color:#166534;background:#dcfce7}.history-type.type-adjust{color:#1d4ed8;background:#dbeafe}[data-theme=dark] .history-type.type-take{color:#fca5a5;background:#7f1d1d}[data-theme=dark] .history-type.type-return{color:#86efac;background:#14532d}[data-theme=dark] .history-type.type-adjust{color:#93c5fd;background:#1e3a5f}.history-meta{color:var(--text-muted);gap:14px;margin-bottom:4px;font-size:.85rem;display:flex}.history-notes{color:var(--text-muted);font-size:.85rem;font-style:italic}.history-side{text-align:right;flex-shrink:0}.history-user{margin-bottom:2px;font-size:.82rem;font-weight:500}.history-time{color:var(--text-muted);font-size:.75rem}.dashboard{margin-bottom:24px}.dashboard-grid{grid-template-columns:1fr 1fr;gap:20px;margin-top:8px;display:grid}@media (width<=768px){.dashboard-grid{grid-template-columns:1fr}}.dash-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.dash-card h3{margin-bottom:16px;font-size:1.1rem;font-weight:650}.dash-list{flex-direction:column;gap:12px;display:flex}.dash-item{border-bottom:1px solid var(--border);align-items:flex-start;gap:12px;padding-bottom:12px;display:flex}.dash-item:last-child{border-bottom:none;padding-bottom:0}.compat-list{flex-direction:column;gap:12px;max-height:420px;padding-right:4px;display:flex;overflow-y:auto}.compat-item{background:var(--bg);border-left:4px solid var(--border);border-radius:10px;padding:14px 16px}.compat-item.risk-high{border-left-color:var(--danger)}.compat-item.risk-medium{border-left-color:var(--warning)}.compat-risk{text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);margin-bottom:6px;font-size:.75rem;font-weight:700}.compat-item.risk-high .compat-risk{color:var(--danger)}.compat-item.risk-medium .compat-risk{color:var(--warning)}.command-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172a99;justify-content:center;align-items:flex-start;padding-top:12vh;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.command-palette{background:var(--card);box-shadow:var(--shadow-lg);border:1px solid var(--border);border-radius:16px;width:100%;max-width:520px;animation:.2s scaleIn;overflow:hidden}.command-palette input{border:none;border-bottom:1px solid var(--border);width:100%;color:var(--text);background:0 0;outline:none;padding:18px 20px;font-size:1.05rem}.command-list{max-height:320px;padding:8px;overflow-y:auto}.command-list button{width:100%;color:var(--text);cursor:pointer;text-align:left;transition:var(--transition);background:0 0;border:none;border-radius:10px;align-items:center;gap:12px;padding:12px 14px;font-size:.95rem;display:flex}.command-list button:hover{background:var(--bg)}.command-hint{color:var(--text-muted);border-top:1px solid var(--border);align-items:center;gap:6px;padding:10px 16px;font-size:.8rem;display:flex}kbd{background:var(--bg);border:1px solid var(--border);border-radius:5px;padding:2px 6px;font-family:inherit;font-size:.75rem}.modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0f172a8c;justify-content:center;align-items:center;padding:20px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border);width:100%;max-width:560px;padding:24px;animation:.25s scaleIn}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-header h3{font-size:1.2rem;font-weight:650}.legend-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.legend-item{background:var(--bg);border-radius:10px;align-items:center;gap:12px;padding:10px;display:flex}.legend-emoji{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:1.4rem;display:flex}.legend-id{color:var(--text-muted);margin-top:2px;font-size:.78rem}.app-footer{border-top:1px solid var(--border);color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:32px;padding-top:16px;font-size:.85rem;display:flex}.footer-hint{align-items:center;gap:6px;display:flex}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}.flex{display:flex}.flex-center{justify-content:center;align-items:center;display:flex}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.w-full{width:100%}.hidden{display:none!important}@media (width<=1024px){.app{padding:20px 18px 70px}.header h1{font-size:1.45rem}.legend-grid{grid-template-columns:1fr}}@media (width<=768px){.app{padding:16px 14px 60px}.header{flex-direction:column;align-items:flex-start}.header-actions{justify-content:flex-start;width:100%}.stats-bar{gap:8px}.stat-card{min-width:90px;padding:10px 14px}.toolbar{flex-direction:column;align-items:stretch}.search-wrapper{min-width:100%}.filter-pills{padding-bottom:4px;overflow-x:auto}.toolbar-right{justify-content:space-between;width:100%;margin-left:0}.cards-grid{grid-template-columns:1fr}.form-panel{padding:22px 18px}.form-actions{flex-direction:column}.form-actions .btn{width:100%}.landing-nav{padding:16px 20px}.hero h1{font-size:2.3rem}.hero-subtitle{font-size:1.1rem}.colorful-hero{padding:70px 20px 80px}.incompatible-row{text-align:center;grid-template-columns:1fr;gap:6px}.vs{display:none}.app-footer{text-align:center;flex-direction:column}}@media (width<=480px){.header h1{font-size:1.3rem}.btn{padding:9px 14px;font-size:.85rem}.hero h1{font-size:1.9rem}.features-grid,.problem-grid{grid-template-columns:1fr}.stat-card{flex:calc(50% - 8px)}}@media print{.header-actions,.toolbar,.stats-bar,.bulk-bar,.app-footer,.notif-wrapper,.export-wrapper,.btn,.icon-btn,.theme-toggle,.view-switcher{display:none!important}.app{max-width:100%;padding:0}body{color:#000;background:#fff}}:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--primary);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{color:var(--text);background:#2563eb33}[data-theme=dark] ::selection{background:#3b82f64d}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.form-grid{grid-template-columns:1fr 1fr 1fr;align-items:start;gap:14px 16px;display:grid}.form-group{flex-direction:column;gap:6px;min-width:0;display:flex}.form-group label{color:var(--text-muted);font-size:.8rem;font-weight:600}.form-group input,.form-group select,.form-group textarea{border-radius:var(--radius-sm,10px);border:1px solid var(--border);background:var(--input-bg,var(--card));width:100%;color:var(--text);transition:var(--transition,all .2s ease);outline:none;padding:10px 12px}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}.form-group.error input{border-color:var(--danger)}.error-text{color:var(--danger);font-size:.75rem}.form-group.full,.form-group-name{grid-column:1/-1}.name-row{align-items:stretch;gap:8px;width:100%;display:flex}.name-row input{flex:auto;min-width:0}.lookup-btn{white-space:nowrap;border-radius:var(--radius-sm,10px);background:var(--primary);color:#fff;cursor:pointer;min-width:5rem;transition:var(--transition,all .2s ease);border:none;flex:none;padding:10px 14px;font-size:.85rem;font-weight:600}.lookup-btn:hover:not(:disabled){background:var(--primary-hover)}.lookup-btn:disabled{opacity:.55;cursor:not-allowed}.form-actions{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;margin-top:20px;padding-top:16px;display:flex}@media (width<=720px){.form-grid{grid-template-columns:1fr}.form-group-name,.form-group.full{grid-column:1}}.form-group-barcode{flex-direction:column;grid-column:1/-1;gap:6px;min-width:0;display:flex}.form-group-barcode label{color:var(--text-muted);font-size:.8rem;font-weight:600}.barcode-row{align-items:stretch;gap:8px;width:100%;display:flex}.barcode-row input{border-radius:var(--radius-sm,10px);border:1px solid var(--border);background:var(--input-bg,var(--card));width:100%;min-width:0;color:var(--text);transition:var(--transition,all .2s ease);outline:none;flex:auto;padding:10px 12px}.barcode-row input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}.generate-btn{white-space:nowrap;border-radius:var(--radius-sm,10px);border:1px solid var(--border);background:var(--card);min-width:5.5rem;color:var(--text);cursor:pointer;transition:var(--transition,all .2s ease);flex:none;padding:10px 14px;font-size:.85rem;font-weight:600}.generate-btn:hover{border-color:var(--primary);color:var(--primary)}@media (width<=720px){.form-group-barcode{grid-column:1}}.app-header,.header{position:relative;z-index:20!important}.header-menu,.dropdown-menu,.menu-dropdown{z-index:40!important}.toast,.message,.message-toast,.app-toast,.alert-toast,.notification-toast{pointer-events:auto;max-width:min(420px,100vw - 24px);box-shadow:0 12px 32px #0f172a2e;z-index:100000!important;position:fixed!important;top:18px!important;left:auto!important;right:18px!important}.modal-overlay,.form-overlay,.notif-modal-overlay,.command-overlay{z-index:90000!important;position:fixed!important;inset:0!important}.modal,.form-panel,.history-panel,.notif-modal,.command-palette{position:relative;z-index:90001!important}.auth-root{background:var(--bg,#f8fafc);min-height:100vh;color:var(--text,#0f172a);opacity:0;justify-content:center;align-items:center;padding:1.5rem;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;transition:opacity .5s;display:flex;position:relative;overflow:hidden}.auth-root--mounted{opacity:1}.auth-bg{background:var(--bg,#f8fafc);z-index:0;position:absolute;inset:0}.auth-bg-gradient{background:radial-gradient(ellipse 80% 60% at 50% -20%, color-mix(in srgb, var(--primary,#2563eb) 14%, transparent), transparent 60%), radial-gradient(ellipse 50% 40% at 90% 70%, color-mix(in srgb, var(--primary,#2563eb) 8%, transparent), transparent 50%);z-index:1;pointer-events:none;position:absolute;inset:0}.auth-bg-grid{background-image:linear-gradient(color-mix(in srgb, var(--primary,#2563eb) 4%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--primary,#2563eb) 4%, transparent) 1px, transparent 1px);z-index:1;pointer-events:none;background-size:48px 48px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(75% 65%,#000 15%,#0000 70%);mask-image:radial-gradient(75% 65%,#000 15%,#0000 70%)}.auth-glow{filter:blur(90px);pointer-events:none;z-index:1;border-radius:50%;position:absolute}.auth-glow--1{background:radial-gradient(circle, color-mix(in srgb, var(--primary,#2563eb) 18%, transparent), transparent 70%);width:380px;height:380px;top:-100px;left:-60px}.auth-glow--2{background:radial-gradient(circle,#06b6d424,#0000 70%);width:320px;height:320px;bottom:-80px;right:-40px}.auth-glow--3{background:radial-gradient(circle, color-mix(in srgb, var(--primary,#2563eb) 10%, transparent), transparent 70%);width:200px;height:200px;top:40%;left:60%}.auth-corner{border-color:color-mix(in srgb, var(--primary,#2563eb) 22%, transparent);pointer-events:none;z-index:5;border-style:solid;width:26px;height:26px;position:absolute}.auth-corner--tl{border-width:2px 0 0 2px;border-radius:4px 0 0;top:16px;left:16px}.auth-corner--tr{border-width:2px 2px 0 0;border-radius:0 4px 0 0;top:16px;right:16px}.auth-corner--bl{border-width:0 0 2px 2px;border-radius:0 0 0 4px;bottom:16px;left:16px}.auth-corner--br{border-width:0 2px 2px 0;border-radius:0 0 4px;bottom:16px;right:16px}.auth-card{z-index:10;background:color-mix(in srgb, var(--card,#fff) 82%, transparent);border:1px solid var(--border,#e2e8f0);-webkit-backdrop-filter:blur(20px)saturate(160%);opacity:0;border-radius:24px;width:100%;max-width:440px;padding:2.6rem 2.3rem 2.1rem;transition:transform .7s cubic-bezier(.16,1,.3,1),opacity .7s cubic-bezier(.16,1,.3,1);position:relative;transform:translateY(28px)scale(.97);box-shadow:0 25px 50px -12px #0000001f,inset 0 0 0 1px #ffffff0d}.auth-card--visible{opacity:1;transform:translateY(0)scale(1)}[data-theme=dark] .auth-card{background:color-mix(in srgb, var(--card,#1e293b) 78%, transparent);border-color:var(--border,#334155);box-shadow:0 25px 50px -12px #00000073,inset 0 0 0 1px #ffffff0a}.auth-header{text-align:center;margin-bottom:1.85rem}.auth-logo-wrap{margin-bottom:1.15rem;display:inline-flex;position:relative}.auth-logo{z-index:2;background:linear-gradient(145deg, var(--primary,#2563eb) 0%, var(--primary-dark,#1e40af) 100%);color:#fff;width:56px;height:56px;box-shadow:0 10px 24px -6px color-mix(in srgb, var(--primary,#2563eb) 45%, transparent);border-radius:16px;justify-content:center;align-items:center;display:flex;position:relative}.auth-logo-ring{border:1px solid color-mix(in srgb, var(--primary,#2563eb) 30%, transparent);border-radius:20px;animation:3.2s ease-in-out infinite logoPulse;position:absolute;inset:-6px}@keyframes logoPulse{0%,to{opacity:.45;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.auth-title{letter-spacing:-.03em;color:var(--text,#0f172a);margin:0 0 .4rem;font-size:1.7rem;font-weight:750}.auth-subtitle{color:var(--text-muted,#64748b);margin:0;font-size:.95rem;font-weight:400;line-height:1.45}.auth-tabs{background:var(--bg-alt,#f1f5f9);border:1px solid var(--border,#e2e8f0);border-radius:14px;grid-template-columns:1fr 1fr;margin-bottom:1.85rem;padding:4px;display:grid;position:relative}[data-theme=dark] .auth-tabs{background:color-mix(in srgb, var(--bg,#0f172a) 60%, transparent)}.auth-tab{z-index:2;color:var(--text-muted,#64748b);cursor:pointer;background:0 0;border:none;border-radius:10px;padding:.72rem .5rem;font-size:.9rem;font-weight:600;transition:color .2s;position:relative}.auth-tab--active{color:var(--text,#0f172a)}.auth-tab-indicator{background:var(--card,#fff);border:1px solid var(--border,#e2e8f0);z-index:1;border-radius:10px;width:calc(50% - 4px);height:calc(100% - 8px);transition:transform .3s cubic-bezier(.16,1,.3,1);position:absolute;top:4px;left:4px;box-shadow:0 2px 8px #0000000f}[data-theme=dark] .auth-tab-indicator{background:var(--card,#1e293b);box-shadow:0 2px 10px #0000004d}.auth-form{flex-direction:column;gap:1.2rem;display:flex}.auth-field{flex-direction:column;gap:.35rem;display:flex}.auth-label{color:var(--text-muted,#64748b);letter-spacing:.01em;font-size:.8rem;font-weight:550;transition:color .2s}.auth-field--active .auth-label{color:var(--primary,#2563eb)}.auth-input-wrap{align-items:center;display:flex;position:relative}.auth-input-icon{color:var(--text-muted,#64748b);pointer-events:none;z-index:2;transition:color .2s;display:flex;position:absolute;left:14px}.auth-field--active .auth-input-icon{color:var(--primary,#2563eb)}.auth-input-wrap input{border:1px solid var(--border,#e2e8f0);background:var(--input-bg,#fff);width:100%;color:var(--text,#0f172a);border-radius:12px;outline:none;padding:.9rem 3.2rem .9rem 2.75rem;font-size:.95rem;transition:border-color .2s,box-shadow .2s,background .2s}.auth-input-wrap input::placeholder{color:#0000}.auth-input-wrap input:focus{border-color:var(--primary,#2563eb);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary,#2563eb) 18%, transparent)}.auth-field--error .auth-input-wrap input{border-color:var(--danger,#dc2626)}.auth-field--error .auth-input-wrap input:focus{box-shadow:0 0 0 3px color-mix(in srgb, var(--danger,#dc2626) 18%, transparent)}.auth-password-toggle{width:36px;height:36px;color:var(--text-muted,#64748b);cursor:pointer;z-index:2;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:color .15s,background .15s;display:flex;position:absolute;right:10px}.auth-password-toggle:hover{color:var(--text,#0f172a);background:color-mix(in srgb, var(--text,#0f172a) 6%, transparent)}.auth-field-hint{margin:0;padding-left:2px;font-size:.78rem}.auth-field-hint--error{color:var(--danger,#dc2626)}.auth-confirm-info{text-align:center;margin-bottom:.5rem}.auth-confirm-label{color:var(--text-muted,#64748b);margin:0 0 .25rem;font-size:.9rem}.auth-confirm-email{color:var(--text,#0f172a);word-break:break-all;margin:0;font-size:1rem;font-weight:600}.auth-input-wrap--otp input,.otp-input{text-align:center;letter-spacing:.35em;font-size:1.5rem;font-weight:600;padding-left:1rem!important;padding-right:1rem!important}.auth-resend{text-align:center;margin-top:-.35rem}.auth-resend-btn{color:var(--primary,#2563eb);cursor:pointer;background:0 0;border:none;padding:.25rem .5rem;font-size:.88rem;font-weight:500;transition:color .15s,opacity .15s}.auth-resend-btn:hover:not(:disabled){color:var(--primary-hover,#1d4ed8);text-decoration:underline}.auth-resend-btn:disabled{opacity:.55;cursor:not-allowed}.auth-alert{border-radius:12px;align-items:flex-start;gap:.6rem;padding:.85rem 1rem;font-size:.88rem;line-height:1.45;display:flex}.auth-alert svg{flex-shrink:0;margin-top:1px}.auth-alert--error{background:color-mix(in srgb, var(--danger,#dc2626) 10%, transparent);border:1px solid color-mix(in srgb, var(--danger,#dc2626) 25%, transparent);color:var(--danger,#dc2626)}.auth-alert--success{background:color-mix(in srgb, var(--success,#16a34a) 10%, transparent);border:1px solid color-mix(in srgb, var(--success,#16a34a) 25%, transparent);color:var(--success,#16a34a)}.auth-submit{background:linear-gradient(135deg, var(--primary,#2563eb) 0%, var(--primary-dark,#1e40af) 100%);color:#fff;letter-spacing:.01em;cursor:pointer;width:100%;box-shadow:0 6px 18px -4px color-mix(in srgb, var(--primary,#2563eb) 45%, transparent);border:none;border-radius:12px;justify-content:center;align-items:center;gap:.6rem;margin-top:.4rem;padding:1rem 1.25rem;font-size:.98rem;font-weight:600;transition:transform .2s,box-shadow .2s,opacity .2s;display:flex}.auth-submit:hover:not(:disabled){box-shadow:0 10px 24px -4px color-mix(in srgb, var(--primary,#2563eb) 50%, transparent);transform:translateY(-2px)}.auth-submit:active:not(:disabled){transform:translateY(0)}.auth-submit:disabled{opacity:.65;cursor:not-allowed}.auth-submit--loading{pointer-events:none}.auth-spinner{border:2.5px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}.auth-footer{text-align:center;margin-top:1.85rem}.auth-footer p{color:var(--text-muted,#64748b);margin:0 0 .55rem;font-size:.92rem}.auth-footer-link{color:var(--primary,#2563eb);cursor:pointer;background:0 0;border:none;padding:0;font-size:.92rem;font-weight:600;transition:color .15s}.auth-footer-link:hover{color:var(--primary-hover,#1d4ed8);text-decoration:underline}.auth-footer-note{opacity:.9;line-height:1.5;color:var(--text-muted,#64748b)!important;font-size:.8rem!important}@media (width<=480px){.auth-card{border-radius:20px;padding:2.1rem 1.5rem 1.85rem}.auth-title{font-size:1.5rem}.auth-subtitle{font-size:.9rem}.otp-input{letter-spacing:.28em;font-size:1.35rem}}@media (prefers-reduced-motion:reduce){.auth-card,.auth-root,.auth-tab-indicator,.auth-logo-ring{transition:none!important;animation:none!important}}.auth-forgot-row{justify-content:flex-end;margin-top:-4px;margin-bottom:2px;display:flex}.auth-forgot-link{color:#2563eb;cursor:pointer;background:0 0;border:none;padding:0;font-size:.875rem;font-weight:500}.auth-forgot-link:hover{text-decoration:underline}[data-theme=dark] .auth-forgot-link{color:#60a5fa}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#3b82f6;--primary-dark:#1e40af;--bg:#f8fafc;--bg-alt:#f1f5f9;--card:#fff;--text:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--radius:14px;--radius-sm:10px;--radius-lg:18px;--radius-xl:24px;--shadow:0 4px 24px #0000000f;--shadow-lg:0 10px 40px #00000014;--shadow-xl:0 20px 50px #0000001a;--input-bg:#fff;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--transition:all .2s ease;--flammable:#ea580c;--oxidizer:#dc2626;--acid:#ca8a04;--base:#2563eb;--water-reactive:#7c3aed;--toxic:#475569;--gas:#0284c7}[data-theme=dark]{--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#60a5fa;--primary-dark:#1e40af;--bg:#0f172a;--bg-alt:#1e293b;--card:#1e293b;--text:#f1f5f9;--text-muted:#94a3b8;--border:#334155;--shadow:0 4px 24px #00000059;--shadow-lg:0 10px 40px #00000073;--shadow-xl:0 20px 50px #0000008c;--input-bg:#1e293b;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--flammable:#fb923c;--oxidizer:#f87171;--acid:#facc15;--base:#60a5fa;--water-reactive:#c084fc;--toxic:#94a3b8;--gas:#38bdf8}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;transition:background .3s,color .3s}.landing{min-height:100vh;overflow-x:hidden}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:none;justify-content:center;align-items:center;gap:.5rem;padding:.7rem 1.4rem;font-size:.95rem;font-weight:600;line-height:1.2;text-decoration:none;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px -3px #2563eb66}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 20px -4px #2563eb73}.btn-ghost{color:var(--text-muted);border:1px solid var(--border);background:0 0}.btn-ghost:hover{color:var(--text);border-color:var(--text-muted);background:#00000008}[data-theme=dark] .btn-ghost:hover{background:#ffffff0d}.btn-outline{color:var(--text);border:1px solid var(--border);background:0 0}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:#00000008}[data-theme=dark] .btn-outline:hover{background:#ffffff0d}.btn-xl{border-radius:var(--radius);padding:1rem 1.9rem;font-size:1.05rem}.landing-nav{z-index:100;-webkit-backdrop-filter:blur(16px);box-sizing:border-box;background:#ffffffd9;border-bottom:1px solid #e2e8f0b3;justify-content:space-between;align-items:center;gap:16px;width:100%;max-width:1280px;margin:0 auto;padding:12px 28px;display:flex;position:sticky;top:0}[data-theme=dark] .landing-nav{background:#0f172ae0;border-bottom-color:#334155b3}.nav-brand{color:#0f172a;letter-spacing:-.02em;white-space:nowrap;flex-shrink:0;align-items:center;gap:10px;font-size:1.15rem;font-weight:700;display:flex}[data-theme=dark] .nav-brand{color:#f1f5f9}.nav-logo{background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:1.3rem;display:flex;box-shadow:0 4px 12px #3b82f64d}.nav-links{flex:1;justify-content:center;align-items:center;gap:2px;min-width:0;display:flex}.nav-links a{color:#64748b;white-space:nowrap;border-radius:8px;padding:7px 11px;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .2s}.nav-links a:hover{color:#2563eb;background:#2563eb12}[data-theme=dark] .nav-links a{color:#94a3b8}[data-theme=dark] .nav-links a:hover{color:#60a5fa;background:#3b82f61f}.nav-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.nav-actions .btn-ghost{color:#334155;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #e2e8f0;border-radius:9px;padding:8px 16px;font-size:.875rem;font-weight:500;transition:all .2s}.nav-actions .btn-ghost:hover{background:#f1f5f9;border-color:#cbd5e1}[data-theme=dark] .nav-actions .btn-ghost{color:#e2e8f0;border-color:#334155}[data-theme=dark] .nav-actions .btn-ghost:hover{background:#1e293b}.nav-actions .btn-primary{color:#fff;cursor:pointer;white-space:nowrap;background:linear-gradient(135deg,#2563eb,#4f46e5);border:none;border-radius:9px;padding:8px 18px;font-size:.875rem;font-weight:600;transition:all .2s;box-shadow:0 4px 14px #2563eb59}.nav-actions .btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #2563eb73}@media (width<=1100px){.landing-nav{padding:12px 20px}.nav-links a{padding:6px 9px;font-size:.82rem}}@media (width<=900px){.nav-links{display:none}}@media (width<=480px){.nav-actions .btn-ghost{display:none}.landing-nav{padding:10px 14px}}.hero{background:var(--bg);justify-content:center;align-items:center;min-height:86vh;padding:5rem 2rem 6rem;display:flex;position:relative;overflow:hidden}.hero-bg{background:radial-gradient(ellipse 80% 60% at 50% -10%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 60%), radial-gradient(ellipse 50% 40% at 90% 60%, color-mix(in srgb, var(--primary) 6%, transparent), transparent 50%);z-index:0;pointer-events:none;position:absolute;inset:0}.hero-content{z-index:2;text-align:center;max-width:820px;position:relative}.hero-badge{background:color-mix(in srgb, var(--primary) 10%, transparent);border:1px solid color-mix(in srgb, var(--primary) 25%, transparent);color:var(--primary);letter-spacing:.01em;border-radius:999px;margin-bottom:1.6rem;padding:.4rem 1.1rem;font-size:.85rem;font-weight:550;display:inline-block}.hero h1{letter-spacing:-.035em;color:var(--text);margin:0 0 1.3rem;font-size:clamp(2.35rem,5.2vw,3.5rem);font-weight:800;line-height:1.15}.gradient-text{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #06b6d4 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-subtitle{max-width:640px;color:var(--text-muted);margin:0 auto 2.4rem;font-size:1.15rem;line-height:1.65}.hero-actions{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:1.3rem;display:flex}.hero-note{color:var(--text-muted);opacity:.85;margin:0;font-size:.88rem}.section-lead{text-align:center;max-width:700px;color:var(--text-muted);margin:.6rem auto 2.6rem;font-size:1.1rem;line-height:1.6}.section-header h2,.problem-section h2,.features-section h2,.storage-section h2,.ghs-section h2,.why-section h2{letter-spacing:-.03em;color:var(--text);text-align:center;margin:0 0 .75rem;font-size:clamp(1.85rem,3.8vw,2.35rem);font-weight:750}.problem-section{background:var(--bg-alt);padding:5.5rem 0 5rem}.problem-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.35rem;display:grid}.problem-card{border-radius:var(--radius-lg);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);padding:1.7rem 1.55rem;transition:transform .2s,box-shadow .2s,border-color .2s}.problem-card:hover{box-shadow:var(--shadow-lg);border-color:color-mix(in srgb, var(--primary) 30%, var(--border));transform:translateY(-4px)}.problem-icon{margin-bottom:.9rem;font-size:1.7rem}.problem-card h3{color:var(--text);margin:0 0 .5rem;font-size:1.1rem;font-weight:650}.problem-card p{color:var(--text-muted);margin:0;font-size:.93rem;line-height:1.55}.features-section{background:var(--bg);padding:5.5rem 0}.features-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.35rem;display:grid}.feature-card{border-radius:var(--radius-lg);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);padding:1.75rem 1.55rem;transition:all .22s}.feature-card:hover{box-shadow:var(--shadow-lg);border-color:color-mix(in srgb, var(--primary) 35%, var(--border));transform:translateY(-5px)}.feature-icon{margin-bottom:.95rem;font-size:1.75rem}.feature-card h3{color:var(--text);margin:0 0 .55rem;font-size:1.1rem;font-weight:650}.feature-card p{color:var(--text-muted);margin:0;font-size:.93rem;line-height:1.55}.storage-section{background:var(--bg-alt);padding:5.5rem 0 4.5rem}.guide-block{margin-bottom:3.75rem}.guide-block h3{color:var(--text);letter-spacing:-.02em;margin:0 0 1.3rem;font-size:1.45rem;font-weight:700}.block-intro{color:var(--text-muted);max-width:740px;margin:-.4rem 0 1.6rem;font-size:1.02rem}.principle-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2rem;display:grid}.principle-card{border-radius:var(--radius);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);padding:1.4rem 1.45rem}.principle-card strong{color:var(--primary);margin-bottom:.45rem;font-size:.98rem;display:block}.principle-card p{color:var(--text-muted);margin:0;font-size:.91rem;line-height:1.55}.storage-groups{flex-direction:column;gap:1.2rem;display:flex}.storage-group{border-radius:var(--radius-lg);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);padding:1.5rem 1.6rem}.group-header{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.group-badge{letter-spacing:.01em;border-radius:8px;padding:.3rem .8rem;font-size:.82rem;font-weight:650;display:inline-block}.group-tag{color:var(--text-muted);font-size:.78rem}.flammables .group-badge{background:color-mix(in srgb, var(--flammable) 15%, transparent);color:var(--flammable)}.oxidizers .group-badge{background:color-mix(in srgb, var(--oxidizer) 15%, transparent);color:var(--oxidizer)}.acids .group-badge{background:color-mix(in srgb, var(--acid) 15%, transparent);color:var(--acid)}.acids-ox .group-badge{background:color-mix(in srgb, var(--oxidizer) 18%, transparent);color:var(--oxidizer)}.organic-acids .group-badge{background:color-mix(in srgb, var(--warning) 15%, transparent);color:var(--warning)}.bases .group-badge{background:color-mix(in srgb, var(--base) 15%, transparent);color:var(--base)}.water-reactive .group-badge{background:color-mix(in srgb, var(--water-reactive) 15%, transparent);color:var(--water-reactive)}.toxics .group-badge{background:color-mix(in srgb, var(--toxic) 18%, transparent);color:var(--toxic)}.gases .group-badge{background:color-mix(in srgb, var(--gas) 15%, transparent);color:var(--gas)}.group-examples{color:var(--text);margin:0 0 .55rem;font-size:.92rem}.group-store,.group-away{color:var(--text-muted);margin:.3rem 0 0;font-size:.9rem;line-height:1.5}.group-store strong,.group-away strong{color:var(--text)}.incompatible-block{margin-top:3.25rem}.incompatible-table{border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow);overflow:hidden}.incomp-row{border-bottom:1px solid var(--border);grid-template-columns:1.4fr 40px 1.4fr 2fr;align-items:center;gap:.75rem;padding:1rem 1.35rem;font-size:.92rem;display:grid}.incomp-row:last-child{border-bottom:none}.incomp-row.header{background:var(--bg-alt);color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;font-weight:600}.incomp-row .chem{color:var(--text);font-weight:550}.incomp-row .vs{text-align:center;color:var(--danger);font-size:1.15rem;font-weight:700}.incomp-row .reason{color:var(--text-muted)}.tips-list{color:var(--text-muted);margin:0;padding-left:1.3rem;font-size:.97rem;line-height:1.7}.tips-list li{margin-bottom:.6rem}.tips-list li::marker{color:var(--primary)}.ghs-section{background:var(--bg);padding:5.5rem 0 5rem}.ghs-intro-block{text-align:center;max-width:780px;margin:0 auto 3rem}.ghs-intro-block h3{color:var(--text);margin:0 0 .75rem;font-size:1.3rem;font-weight:700}.ghs-intro-block p{color:var(--text-muted);margin:0;font-size:1.02rem;line-height:1.65}.ghs-grid-large{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:3.5rem;display:grid}.ghs-card-large{border-radius:var(--radius-lg);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);flex-direction:column;padding:1.6rem 1.4rem 1.5rem;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex}.ghs-card-large:hover{box-shadow:var(--shadow-lg);border-color:color-mix(in srgb, var(--primary) 30%, var(--border));transform:translateY(-4px)}.ghs-img-wrap{justify-content:center;align-items:center;min-height:110px;margin-bottom:1.1rem;display:flex}.ghs-pictogram-img{object-fit:contain;filter:drop-shadow(0 2px 6px #00000014);width:96px;height:96px}[data-theme=dark] .ghs-pictogram-img{filter:drop-shadow(0 2px 8px #00000059)}.ghs-code{letter-spacing:.06em;color:var(--primary);text-transform:uppercase;margin-bottom:.3rem;font-size:.75rem;font-weight:700}.ghs-card-large h4{color:var(--text);margin:0 0 .25rem;font-size:1.15rem;font-weight:700}.ghs-title{color:var(--text-muted);margin:0 0 .85rem;font-size:.88rem;font-weight:500}.ghs-details{color:var(--text-muted);flex-grow:1;margin:0 0 1rem;padding-left:1.1rem;font-size:.87rem;line-height:1.5}.ghs-details li{margin-bottom:.25rem}.ghs-note{border-top:1px solid var(--border);color:var(--text-muted);margin:0;padding-top:.85rem;font-size:.84rem;line-height:1.5}.biohazard-card{border-color:color-mix(in srgb, #eab308 35%, var(--border))}.biohazard-card .ghs-code{color:#ca8a04}.ghs-extra-info{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;display:grid}.ghs-info-card{border-radius:var(--radius);background:var(--bg-alt);border:1px solid var(--border);padding:1.5rem 1.4rem}.ghs-info-card h3{color:var(--text);margin:0 0 .6rem;font-size:1.05rem;font-weight:650}.ghs-info-card p{color:var(--text-muted);margin:0;font-size:.92rem;line-height:1.55}.why-section{background:var(--bg-alt);padding:5.5rem 0}.why-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.35rem;display:grid}.why-card{border-radius:var(--radius-lg);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);padding:1.7rem 1.55rem}.why-card h3{color:var(--primary);margin:0 0 .55rem;font-size:1.1rem;font-weight:650}.why-card p{color:var(--text-muted);margin:0;font-size:.93rem;line-height:1.55}.final-cta{background:var(--bg);text-align:center;padding:5.5rem 1.5rem;position:relative;overflow:hidden}.final-cta:before{content:"";background:radial-gradient(ellipse 70% 70% at 50% 50%, color-mix(in srgb, var(--primary) 8%, transparent), transparent 65%);pointer-events:none;position:absolute;inset:0}.cta-inner{z-index:2;max-width:640px;margin:0 auto;position:relative}.final-cta h2{color:var(--text);letter-spacing:-.03em;margin:0 0 1rem;font-size:clamp(1.8rem,3.8vw,2.3rem);font-weight:750}.final-cta p{color:var(--text-muted);margin:0 0 2rem;font-size:1.1rem;line-height:1.6}.cta-note{opacity:.85;color:var(--text-muted)!important;margin-top:1.3rem!important;font-size:.88rem!important}.landing-footer{background:var(--bg-alt);border-top:1px solid var(--border);padding:3.25rem 1.75rem 2.25rem}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1.5rem;max-width:1140px;margin:0 auto 2rem;display:flex}.footer-brand span{color:var(--text);font-size:1.1rem;font-weight:700}.footer-brand p{color:var(--text-muted);margin:.35rem 0 0;font-size:.88rem}.footer-links{flex-wrap:wrap;align-items:center;gap:1.5rem;display:flex}.footer-links a{color:var(--text-muted);font-size:.9rem;text-decoration:none;transition:color .15s}.footer-links a:hover{color:var(--primary)}.footer-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-size:.9rem;font-weight:600}.footer-btn:hover{text-decoration:underline}.footer-bottom{border-top:1px solid var(--border);max-width:1140px;margin:0 auto;padding-top:1.6rem}.footer-bottom p{color:var(--text-muted);text-align:center;opacity:.85;margin:0;font-size:.78rem;line-height:1.55}@media (width<=900px){.landing-nav{padding:.9rem 1.25rem}.nav-links{display:none}.incomp-row{grid-template-columns:1fr;gap:.35rem;padding:1.1rem 1.2rem}.incomp-row.header,.incomp-row .vs{display:none}.incomp-row .reason{font-size:.87rem}}@media (width<=600px){.hero{min-height:auto;padding:3.75rem 1.25rem 4.5rem}.hero-actions{flex-direction:column}.btn-xl{width:100%}.section-inner{padding:0 1.15rem}.problem-section,.features-section,.storage-section,.ghs-section,.why-section{padding:4.25rem 0}.ghs-pictogram-img{width:84px;height:84px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.problem-card,.feature-card,.ghs-card-large,.btn{transition:none!important}}.auth-logo-img,.nav-logo-img,.app-logo-img{object-fit:contain;width:100%;height:100%;display:block}.auth-logo{border-radius:14px;justify-content:center;align-items:center;width:56px;height:56px;display:flex;overflow:hidden}.auth-logo-img{width:56px;height:56px}.nav-logo-img{border-radius:10px;width:36px;height:36px}.brand-logo,.header-brand .logo{border-radius:12px;justify-content:center;align-items:center;width:42px;height:42px;display:flex;overflow:hidden}.app-logo-img{width:42px;height:42px}.workspace-switch{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.workspace-btn{border:1px solid var(--border);background:var(--card);color:var(--text-muted);cursor:pointer;white-space:nowrap;border-radius:999px;padding:7px 12px;font-size:.8rem;font-weight:600;transition:all .15s}.workspace-btn:hover{color:var(--text);border-color:#93c5fd}.workspace-btn.active{color:#fff;background:#2563eb;border-color:#2563eb;box-shadow:0 4px 12px #2563eb40}.workspace-btn.create{border-style:dashed}.app{width:100%;max-width:100%;padding-left:16px;padding-right:16px;overflow-x:hidden}.header{flex-wrap:wrap;gap:12px}.header-actions{flex-wrap:wrap;justify-content:flex-start;gap:8px}.toolbar{flex-direction:column;align-items:stretch;gap:12px;display:flex}.search-wrapper{flex:none;width:100%;max-width:100%}.filter-pills{flex-wrap:wrap;gap:6px;width:100%;display:flex}.toolbar-right{flex-wrap:wrap;justify-content:flex-start;gap:8px;width:100%;display:flex;margin-left:0!important}.table-wrapper{-webkit-overflow-scrolling:touch;border-radius:var(--radius);width:100%;max-width:100%;position:relative;overflow-x:auto!important}.chem-table{width:max-content;min-width:1200px;max-width:none}.stats-bar{flex-wrap:wrap;gap:10px}.stat-card{flex:100px;min-width:100px}@media (width>=1100px){.toolbar{flex-flow:wrap;align-items:center}.search-wrapper{flex:240px;max-width:320px}.toolbar-right{width:auto;margin-left:auto!important}}.trust-bar{color:#334155;background:#fff;border-bottom:1px solid #e2e8f0;flex-wrap:wrap;justify-content:center;gap:28px 36px;padding:20px 24px;font-size:.92rem;font-weight:500;display:flex}[data-theme=dark] .trust-bar{color:#e2e8f0;background:#1e293b;border-color:#334155}.trust-item{white-space:nowrap;align-items:center;gap:8px;display:flex}.how-section{background:#fff;padding:90px 0}[data-theme=dark] .how-section{background:#1e293b}.how-section h2{text-align:center;margin-bottom:12px;font-size:2rem;font-weight:700}.how-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;max-width:1000px;margin:48px auto 0;display:grid}.how-step{text-align:center;padding:8px 12px}.how-number{color:#fff;background:linear-gradient(135deg,#2563eb,#7c3aed);border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto 18px;font-size:1.35rem;font-weight:700;display:flex;box-shadow:0 6px 16px #2563eb4d}.how-step h3{margin-bottom:8px;font-size:1.15rem;font-weight:600}.how-step p{color:#64748b;font-size:.95rem;line-height:1.55}[data-theme=dark] .how-step p{color:#94a3b8}.faq-section{background:#f8fafc;padding:90px 0}[data-theme=dark] .faq-section{background:#0f172a}.faq-section h2{text-align:center;margin-bottom:48px;font-size:2rem;font-weight:700}.faq-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;max-width:1000px;margin:0 auto;display:grid}.faq-item{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:24px 26px;transition:transform .2s,box-shadow .2s}[data-theme=dark] .faq-item{background:#1e293b;border-color:#334155}.faq-item:hover{transform:translateY(-3px);box-shadow:0 10px 25px #0000000f}.faq-item h3{color:#1e40af;margin-bottom:10px;font-size:1.05rem;font-weight:600}[data-theme=dark] .faq-item h3{color:#93c5fd}.faq-item p{color:#64748b;font-size:.95rem;line-height:1.55}[data-theme=dark] .faq-item p{color:#94a3b8}.back-to-top{color:#fff;cursor:pointer;z-index:200;background:linear-gradient(135deg,#2563eb,#7c3aed);border:none;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.45rem;font-weight:700;transition:all .25s;animation:.3s fadeInUp;display:flex;position:fixed;bottom:32px;right:32px;box-shadow:0 8px 24px #2563eb66}.back-to-top:hover{transform:translateY(-5px)scale(1.08);box-shadow:0 12px 30px #2563eb80}.back-to-top:active{transform:translateY(-2px)scale(1.03)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.section-inner{max-width:1120px;margin:0 auto;padding:0 24px}.section-lead{text-align:center;color:#64748b;max-width:680px;margin:0 auto 40px;font-size:1.1rem;line-height:1.6}[data-theme=dark] .section-lead{color:#94a3b8}.section-header{text-align:center;margin-bottom:40px}.section-header h2{margin-bottom:12px;font-size:2rem;font-weight:700}@media (width<=768px){.trust-bar{gap:14px 20px;padding:16px;font-size:.85rem}.how-grid{grid-template-columns:1fr 1fr;gap:24px}.faq-grid{grid-template-columns:1fr}.back-to-top{width:46px;height:46px;font-size:1.3rem;bottom:20px;right:20px}}@media (width<=480px){.how-grid{grid-template-columns:1fr}.trust-bar{flex-direction:column;align-items:center;gap:10px}}