.converter-settings{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem}.file-info{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--bg);border-radius:8px;margin-bottom:1.5rem;flex-wrap:wrap}.file-name{font-weight:600;word-break:break-all}.file-size{color:var(--text-muted);font-size:.875rem}.use-cases{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem}.use-cases h4{margin-bottom:1rem}.use-cases ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}.use-cases li{font-size:.9rem;color:var(--text-muted)}.preset-category{margin-bottom:1.5rem}.preset-category h5{margin-bottom:.75rem;color:var(--text-muted);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.preset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.75rem}.preset-btn{display:flex;flex-direction:column;align-items:flex-start;padding:1rem;background:var(--bg);border:2px solid var(--border);border-radius:10px;cursor:pointer;transition:all .2s ease;text-align:left}.preset-btn:hover{border-color:var(--primary);background:#6366f10d}.preset-btn.active{border-color:var(--primary);background:#6366f11a}.preset-icon{font-size:1.5rem;margin-bottom:.5rem}.preset-name{font-weight:600;font-size:.9rem;margin-bottom:.25rem}.preset-desc{font-size:.75rem;color:var(--text-muted);line-height:1.3}.selected-info{display:flex;align-items:center;gap:1rem;padding:1rem;background:#6366f11a;border-radius:8px;margin-bottom:1rem}.selected-info strong{font-size:1rem}.selected-info span{color:var(--text-muted);font-size:.875rem}.convert-btn{width:100%;padding:1rem;font-size:1rem}.processing-status{text-align:center;padding:2rem;background:var(--card-bg);border-radius:12px;margin-bottom:1.5rem}.progress-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:1rem}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),#818cf8);transition:width .3s ease}.progress-text{color:var(--text-muted)}.result-container{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem}.size-comparison{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.size-item{text-align:center}.size-label{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:.25rem}.size-value{font-weight:600;font-size:1.125rem}.size-item.result .size-value{color:var(--color-success)}.size-arrow{color:var(--text-muted);font-size:1.5rem}.size-savings{background:var(--color-success-subtle, rgba(34, 197, 94, .15));color:var(--color-success, #22c55e);padding:.25rem .75rem;border-radius:9999px;font-weight:600;font-size:.875rem}.video-preview{width:100%;max-height:400px;border-radius:8px;background:var(--color-bg-primary, #000);margin-bottom:1rem}.action-buttons{display:flex;gap:.75rem;flex-wrap:wrap}.action-buttons .btn{flex:1;min-width:140px}.error-message{text-align:center;padding:2rem;background:var(--color-error-subtle);border-radius:12px;color:var(--color-error);margin-bottom:1.5rem}.error-message p{margin-bottom:1rem}.status-notice{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:var(--card-bg);border-radius:8px;margin-bottom:1rem;font-size:.875rem}.privacy-note{text-align:center;font-size:.875rem;color:var(--text-muted);padding:1rem;background:var(--card-bg);border-radius:8px}@media(max-width:600px){.preset-grid{grid-template-columns:1fr}.size-comparison{flex-direction:column}.size-arrow{transform:rotate(90deg)}}