.b2p-converter{width:100%;margin:0 auto 2rem;}
.b2p-zone{min-height:200px;padding:2rem 1.25rem;background:var(--surface,#fff);border:2px dashed var(--border,#e2e8f0);border-radius:16px;cursor:pointer;transition:border-color .2s,background .2s,box-shadow .2s;-webkit-tap-highlight-color:transparent;}
.b2p-zone:hover,.b2p-zone:focus-visible{border-color:var(--primary,#0ea5e9);outline:none;box-shadow:0 0 0 4px rgba(14,165,233,.1);}
.b2p-zone.b2p-dragover{border-color:var(--primary,#0ea5e9);background:rgba(14,165,233,.04);}
.b2p-file-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none;}
.b2p-zone-inner{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:160px;text-align:center;}
.b2p-zone-icon{width:56px;height:56px;margin-bottom:1rem;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3Ccircle cx='8.5' cy='8.5' r='1.5'/%3E%3Cpolyline points='21 15 16 10 5 21'/%3E%3C/svg%3E") no-repeat center;background-size:100%;}
.b2p-zone:hover .b2p-zone-icon,.b2p-zone:focus-visible .b2p-zone-icon{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230ea5e9' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3Ccircle cx='8.5' cy='8.5' r='1.5'/%3E%3Cpolyline points='21 15 16 10 5 21'/%3E%3C/svg%3E");}
.b2p-zone-title{font-size:1.0625rem;font-weight:600;color:var(--text-main,#1e293b);margin:0 0 0.35rem 0;}
.b2p-zone-hint{font-size:0.8125rem;color:var(--text-muted,#64748b);margin:0;}
.b2p-queue{margin-top:1.5rem;padding:1.25rem;background:var(--surface-muted,#f8fafc);border:1px solid var(--border,#e2e8f0);border-radius:16px;}
.b2p-queue-label{font-size:0.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-muted,#64748b);margin:0 0 0.75rem 0;}
.b2p-queue-list{list-style:none;margin:0 0 1.25rem 0;padding:0;display:flex;flex-direction:column;gap:0.5rem;}
.b2p-queue-item{display:flex;align-items:center;gap:0.75rem;padding:0.6rem 0.75rem;background:var(--surface,#fff);border:1px solid var(--border,#e2e8f0);border-radius:12px;}
.b2p-queue-thumb{width:40px;height:40px;flex-shrink:0;border-radius:8px;object-fit:cover;background:var(--surface-muted,#f1f5f9);}
.b2p-queue-info{min-width:0;flex:1;}
.b2p-queue-name{font-size:0.875rem;font-weight:500;color:var(--text-main,#1e293b);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.b2p-queue-size{font-size:0.75rem;color:var(--text-muted,#64748b);margin:0.15rem 0 0 0;}
.b2p-queue-actions{display:flex;flex-wrap:wrap;gap:0.75rem;}
.b2p-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;padding:0.65rem 1.35rem;font-size:0.9375rem;font-weight:600;border-radius:12px;cursor:pointer;transition:background .2s,color .2s,box-shadow .2s;-webkit-tap-highlight-color:transparent;border:none;}
.b2p-btn:focus-visible{outline:none;}
.b2p-btn-primary{background:var(--primary,#0ea5e9);color:#fff;}
.b2p-btn-primary:hover{background:var(--primary-dark,#0284c7);}
.b2p-btn-primary:focus-visible{box-shadow:0 0 0 3px rgba(14,165,233,.35);}
.b2p-btn-ghost{background:transparent;color:var(--text-muted,#64748b);border:1px solid var(--border,#e2e8f0);}
.b2p-btn-ghost:hover{background:var(--surface,#fff);color:var(--text-main,#1e293b);}
.b2p-progress{margin-top:1.25rem;padding:1rem 1.25rem;background:var(--surface,#fff);border:1px solid var(--border,#e2e8f0);border-radius:14px;}
.b2p-progress-bar{height:6px;background:var(--surface-muted,#f1f5f9);border-radius:999px;overflow:hidden;}
.b2p-progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--primary,#0ea5e9),var(--accent,#10b981));border-radius:999px;transition:width .3s ease;}
.b2p-progress-text{font-size:0.875rem;color:var(--text-muted,#64748b);margin:0.5rem 0 0 0;}
.b2p-results{margin-top:1.5rem;padding:1.25rem;background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.2);border-radius:16px;}
.b2p-results-title{font-size:1rem;font-weight:600;color:var(--accent,#10b981);margin:0 0 1rem 0;}
.b2p-results-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0.5rem;}
.b2p-result-item{display:flex;align-items:center;gap:0.75rem;padding:0.6rem 0.75rem;background:var(--surface,#fff);border:1px solid var(--border,#e2e8f0);border-radius:12px;}
.b2p-result-thumb{width:40px;height:40px;flex-shrink:0;border-radius:8px;object-fit:cover;background:var(--surface-muted,#f1f5f9);}
.b2p-result-info{min-width:0;flex:1;}
.b2p-result-name{font-size:0.875rem;font-weight:500;color:var(--text-main,#1e293b);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.b2p-result-dl{flex-shrink:0;min-height:40px;padding:0.5rem 1rem;font-size:0.8125rem;font-weight:600;background:var(--accent,#10b981);color:#fff;border:none;border-radius:10px;cursor:pointer;text-decoration:none;transition:background .2s;display:inline-flex;align-items:center;justify-content:center;}
.b2p-result-dl:hover{background:#059669;}
@media (min-width:768px){.b2p-zone{min-height:220px;padding:2.5rem 1.5rem;}.b2p-zone-inner{min-height:180px;}.b2p-queue{padding:1.5rem;}.b2p-queue-list{gap:0.6rem;}.b2p-results{padding:1.5rem;}.b2p-results-list{gap:0.6rem;}}