:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--bg-color:#f8fafc;--card-bg:#fff;--text-color:#1e293b;--text-muted:#64748b;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Noto Sans,Liberation Sans,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 1rem}header{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);text-align:center;margin-bottom:2rem;padding:3rem 0}header h1{color:var(--primary-color);margin-bottom:.5rem;font-size:2.5rem}.subtitle{color:var(--text-muted);margin-bottom:.5rem;font-size:1.1rem}.video-info{color:var(--text-muted);margin-bottom:1.5rem;font-size:1rem;font-weight:500}.warning-box{color:#92400e;background-color:#fffbeb;border:1px solid #fcd34d;border-radius:.5rem;max-width:800px;margin:0 auto 1.5rem;padding:1rem;font-weight:500}.note{color:var(--text-muted);font-size:.9rem;font-style:italic}.search-container{max-width:600px;margin-bottom:2rem;margin-left:auto;margin-right:auto;position:relative}#searchInput{border:2px solid var(--border-color);border-radius:.5rem;width:100%;padding:1rem 3.5rem 1rem 1.5rem;font-size:1.1rem;transition:border-color .2s,box-shadow .2s}#searchInput:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #2563eb1a}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;right:1.25rem;transform:translateY(-50%)}.semantic-toggle-container{flex-wrap:wrap;justify-content:center;align-items:center;gap:1rem;margin-bottom:2rem;display:flex}.toggle-label{color:var(--text-color);font-weight:600}.status-indicator{color:var(--primary-color);font-size:.85rem;font-weight:500}.switch{width:50px;height:24px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;background-color:#cbd5e1;transition:all .4s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;width:16px;height:16px;transition:all .4s;position:absolute;bottom:4px;left:4px}input:checked+.slider{background-color:var(--primary-color)}input:focus+.slider{box-shadow:0 0 1px var(--primary-color)}input:checked+.slider:before{transform:translate(26px)}.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}.progress-container{background-color:#e2e8f0;border-radius:999px;width:100%;max-width:600px;height:8px;margin:.5rem auto 2rem;overflow:hidden}.progress-bar{background-color:var(--primary-color);width:0%;height:100%;transition:width .3s}.hidden{display:none}.filter-container{flex-wrap:wrap;justify-content:center;gap:.5rem;max-width:800px;margin-bottom:2rem;margin-left:auto;margin-right:auto;display:flex}.filter-tag{color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;background-color:#e2e8f0;border:1px solid #0000;border-radius:9999px;padding:.5rem 1rem;font-size:.9rem;transition:all .2s}.filter-tag:hover{background-color:#cbd5e1}.filter-tag.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-hover)}.filter-tag.dimmed{opacity:.5;background-color:#f1f5f9}.filter-tag.hidden-tag{display:none}.toggle-tags-btn{color:var(--primary-color);cursor:pointer;background:0 0;border:none;align-self:center;padding:.5rem 1rem;font-family:inherit;font-size:.9rem;text-decoration:underline}.toggle-tags-btn:hover{color:var(--primary-hover)}#resultsCount{color:var(--text-muted);text-align:center;margin-bottom:1rem}.cards-grid{grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1.5rem;margin-bottom:3rem;display:grid}.card{background:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:.75rem;flex-direction:column;padding:1.5rem;transition:transform .2s,box-shadow .2s;display:flex}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-question{margin-bottom:1rem;font-size:1.25rem;font-weight:700;line-height:1.4}.card-question a{color:var(--text-color);text-decoration:none;transition:color .2s}.card-question a:hover{color:var(--primary-color)}.card-answer{color:var(--text-muted);flex-grow:1;margin-bottom:1.5rem}.card-meta{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-top:1rem;font-size:.875rem;display:flex}.timestamp{color:var(--primary-color);align-items:center;gap:.25rem;font-weight:600;display:flex}.tags{flex-wrap:wrap;gap:.5rem;display:flex}.tag{color:var(--text-muted);background-color:#f1f5f9;border-radius:9999px;padding:.25rem .75rem;font-size:.75rem}footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:auto;padding:2rem}@media (width<=640px){.cards-grid{grid-template-columns:1fr}header h1{font-size:1.75rem}}