:root{--primary:#08c;--primary-hover:#0077b5;--bg:#f8f9fa;--card-bg:#fff;--text:#212529;--text-muted:#6c757d;--border:#dee2e6;--success:#28a745;--radius:12px;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.container{max-width:800px;margin:0 auto;padding:40px 20px}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:24px;padding:24px}h1{letter-spacing:-.025em;margin-bottom:8px;font-size:2rem;font-weight:800}p.description{color:var(--text-muted);margin-bottom:32px}.btn{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;padding:12px 24px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-1px)}.btn-primary:disabled{background-color:var(--border);cursor:not-allowed;color:var(--text-muted)}.spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.how-it-works{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;margin-top:16px;display:grid}.step{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex}.step-icon{width:48px;height:48px;color:var(--primary);background:#e7f3ff;border-radius:50%;justify-content:center;align-items:center;margin-bottom:8px;font-size:1.25rem;display:flex}.step-title{font-size:.9375rem;font-weight:700}.step-desc{color:var(--text-muted);font-size:.8125rem;line-height:1.4}.status-badge{color:var(--text-muted);align-items:center;gap:8px;margin-bottom:16px;font-size:.875rem;font-weight:500;display:inline-flex}.status-dot{background-color:var(--border);border-radius:50%;width:8px;height:8px}.status-dot.active{background-color:var(--success);box-shadow:0 0 0 4px #28a74533}.file-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:32px;display:grid}.file-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:12px;padding:16px;transition:transform .2s,box-shadow .2s;display:flex}.file-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.file-info{flex-direction:column;display:flex}.file-name{white-space:nowrap;text-overflow:ellipsis;font-size:.9375rem;font-weight:600;overflow:hidden}.file-meta{color:var(--text-muted);font-size:.75rem}.preview-container{aspect-ratio:16/9;border-radius:calc(var(--radius) - 4px);background:#f1f3f5;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.preview-img{object-fit:cover;width:100%;height:100%}.file-actions{gap:8px;margin-top:auto;display:flex}.btn-sm{padding:6px 12px;font-size:.8125rem}.empty-state{text-align:center;color:var(--text-muted);border:2px dashed var(--border);border-radius:var(--radius);padding:40px}