:root{--primary:#6c5ce7;--primary-dark:#5a4bd1;--success:#27ae60;--danger:#e74c3c;--bg:#0f0f1a;--bg-card:#1a1a2e;--bg-card-hover:#222240;--text:#e8e8f0;--text-muted:#8888a0;--border:#2a2a45;--radius:12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}.container{max-width:720px;margin:0 auto;padding:40px 20px}header{text-align:center;margin-bottom:40px}.logo{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:8px}.logo h1{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--primary),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.tagline{color:var(--text-muted);font-size:1rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:20px;transition:opacity .3s,transform .3s}.card h2{font-size:1.1rem;font-weight:600;margin-bottom:20px;color:var(--text)}.hidden{display:none !important}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:48px 24px;text-align:center;cursor:pointer;transition:all .2s}.drop-zone:hover,.drop-zone.dragover{border-color:var(--primary);background:rgba(108,92,231,0.05)}.drop-zone-content p{margin-top:12px;color:var(--text-muted)}.drop-zone-content .link{color:var(--primary);text-decoration:underline;cursor:pointer}.hint{font-size:.85rem;color:var(--text-muted);margin-top:4px}.file-list{margin-top:16px}.file-info{display:flex;align-items:center;gap:12px;margin-top:8px;padding:12px 16px;background:rgba(108,92,231,0.1);border-radius:8px;font-size:.95rem}.file-info .file-item-name{flex:1;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-info .file-item-size{color:var(--text-muted);font-size:.85rem}.btn-icon{background:0;border:0;color:var(--text-muted);font-size:1.4rem;cursor:pointer;padding:0 4px;line-height:1}.btn-icon:hover{color:var(--danger)}.btn-primary{display:block;width:100%;padding:14px 24px;background:var(--primary);color:white;border:0;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s;margin-top:16px;text-decoration:none;text-align:center}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-success{background:var(--success)}.btn-success:hover{background:#219a52}.btn-small{display:inline-block;width:auto;padding:8px 20px;font-size:.9rem;margin-top:0}.btn-secondary{display:block;width:100%;padding:12px 24px;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:8px;font-size:.95rem;cursor:pointer;margin-top:12px;transition:all .2s}.btn-secondary:hover{border-color:var(--primary);color:var(--text)}.progress-item{padding:14px 16px;background:rgba(108,92,231,0.06);border-radius:8px;margin-bottom:10px}.progress-item-name{font-weight:500;font-size:.95rem;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress-item-error{background:rgba(231,76,60,0.08)}.progress-container{margin-top:0}.progress-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),#a78bfa);border-radius:4px;width:0;transition:width .4s ease}.progress-info{display:flex;justify-content:space-between;margin-top:8px;font-size:.85rem;color:var(--text-muted)}.download-content{text-align:left}.download-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:rgba(39,174,96,0.08);border-radius:8px;margin-bottom:8px}.download-item-name{flex:1;font-weight:500;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.error-content{text-align:center}.error-content svg{margin-bottom:16px}.error-content p{margin-bottom:16px;color:var(--danger)}footer{text-align:center;margin-top:48px;color:var(--text-muted);font-size:.85rem}@media(max-width:520px){.container{padding:24px 16px}.logo h1{font-size:1.6rem}.download-item{flex-direction:column;align-items:stretch;text-align:center}}