*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #080808;--surface: #111111;--surface-2: #1a1a1a;--border: rgba(255,255,255,.07);--border-hover: rgba(255,255,255,.14);--text-1: #f0f0f0;--text-2: rgba(240,240,240,.45);--accent: #4AFF91;--accent-dim: rgba(74,255,145,.1);--accent-glow: 0 0 20px rgba(74,255,145,.25);--radius: 16px;--font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif}html,body,#root{height:100%;background:var(--bg);color:var(--text-1);font-family:var(--font);-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column;max-width:480px;margin:0 auto;padding:24px 20px 48px}.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px}.logo{font-size:28px;font-weight:800;letter-spacing:-.04em;color:var(--text-1)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--border-hover);transition:background .3s}.status-dot.connected{background:var(--accent);box-shadow:var(--accent-glow)}.main{flex:1;display:flex;flex-direction:column;gap:24px}.dropzone{border:1.5px dashed rgba(74,255,145,.2);border-radius:var(--radius);padding:48px 24px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s,box-shadow .2s;background:var(--surface)}.dropzone:hover,.dropzone.drag-over{border-color:var(--accent);background:var(--accent-dim);box-shadow:var(--accent-glow)}.dropzone.has-file{cursor:default;border-style:solid;border-color:#4aff914d}.drop-icon{font-size:36px;margin-bottom:12px}.dropzone p{color:var(--text-1);font-size:16px;font-weight:500}.hint-sub{color:var(--text-2)!important;font-size:13px!important;margin-top:4px}.file-info{display:flex;flex-direction:column;align-items:center;gap:6px}.file-icon{font-size:32px}.file-name{font-size:15px;font-weight:600;word-break:break-all;max-width:280px}.file-size{font-size:13px;color:var(--text-2)}.file-list-preview{display:flex;flex-direction:column;align-items:center;gap:2px;margin-top:2px}.file-list-item{font-size:12px;color:var(--text-2);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-list-item.muted{color:var(--text-3)}.device-section{display:flex;flex-direction:column;gap:12px}.section-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-2)}.no-peers{font-size:14px;color:var(--text-2)}.device-list{display:flex;flex-wrap:wrap;gap:12px}.device-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:transform .15s,border-color .15s,box-shadow .15s;min-width:90px}.device-card:hover{transform:scale(1.04);border-color:var(--accent);box-shadow:var(--accent-glow)}.device-card.disabled{opacity:.5;cursor:not-allowed}.device-card:hover.disabled{transform:none;border-color:var(--border);box-shadow:none}.device-avatar{font-size:28px}.device-name{font-size:12px;font-weight:500;color:var(--text-2);text-align:center;max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cross-network-actions{margin-top:4px}.btn-primary{background:var(--accent);color:#080808;border:none;border-radius:10px;padding:12px 24px;font-size:15px;font-weight:700;cursor:pointer;transition:opacity .15s,transform .1s;font-family:var(--font)}.btn-primary:hover{opacity:.9;transform:scale(1.02)}.btn-primary:active{transform:scale(.98)}.btn-secondary{background:var(--surface-2);color:var(--text-1);border:1px solid var(--border);border-radius:10px;padding:10px 20px;font-size:14px;font-weight:500;cursor:pointer;transition:border-color .15s;font-family:var(--font)}.btn-secondary:hover{border-color:var(--border-hover)}.btn-ghost{background:none;border:1px solid var(--border);color:var(--text-2);border-radius:8px;padding:8px 16px;font-size:13px;cursor:pointer;transition:color .15s,border-color .15s;font-family:var(--font)}.btn-ghost:hover{color:var(--text-1);border-color:var(--border-hover)}.btn-ghost.small{padding:4px 12px;font-size:12px}.btn-back{background:none;border:none;color:var(--text-2);font-size:14px;cursor:pointer;padding:0;font-family:var(--font);transition:color .15s;text-align:left;margin-bottom:8px}.btn-back:hover{color:var(--text-1)}.transfer-progress{display:flex;flex-direction:column;align-items:center;gap:16px;padding:40px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center}.transfer-icon{font-size:36px}.transfer-filename{font-size:15px;font-weight:600;word-break:break-all;max-width:300px}.transfer-stats{display:flex;gap:16px;font-size:12px;color:var(--text-2);flex-wrap:wrap;justify-content:center}.progress-bar{width:100%;height:4px;background:var(--surface-2);border-radius:2px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease;box-shadow:0 0 8px #4aff9166}.progress-pct{font-size:28px;font-weight:800;letter-spacing:-.04em;color:var(--accent)}.spinner{width:32px;height:32px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.cross-network{display:flex;flex-direction:column;gap:20px}.tabs{display:flex;gap:8px}.tab{flex:1;padding:10px;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text-2);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;font-family:var(--font)}.tab.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.send-panel,.receive-panel{display:flex;flex-direction:column;align-items:center;gap:16px;padding:32px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.hint{color:var(--text-2);font-size:14px}.hint-small{color:var(--text-2);font-size:13px}.selected-file-info{font-size:13px;color:var(--text-2)}.code-display{display:flex;gap:8px;margin:8px 0}.code-display.small .code-char{font-size:20px;padding:6px 8px}.code-char{font-size:32px;font-weight:800;letter-spacing:.02em;font-variant-numeric:tabular-nums;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;min-width:44px;text-align:center;color:var(--accent)}.qr-canvas{border-radius:12px;border:1px solid var(--border)}.code-inputs{display:flex;gap:8px}.code-input-box{width:44px;height:52px;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;color:var(--text-1);font-size:20px;font-weight:700;text-align:center;text-transform:uppercase;transition:border-color .15s;font-family:var(--font)}.code-input-box:focus{outline:none;border-color:var(--accent)}.complete{display:flex;flex-direction:column;align-items:center;gap:16px;padding:48px 24px;text-align:center}.complete-icon{width:72px;height:72px;border-radius:50%;background:var(--accent-dim);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--accent);box-shadow:var(--accent-glow)}.complete-msg{font-size:22px;font-weight:700;letter-spacing:-.02em}.complete-filename{font-size:13px;color:var(--text-2)}.empty-state{display:flex;flex-direction:column;align-items:center;gap:12px;padding:32px;color:var(--text-2);text-align:center}.empty-hint{font-size:14px}.waiting{display:flex;flex-direction:column;align-items:center;gap:16px;padding:48px;color:var(--text-2)}.header-right{display:flex;align-items:center;gap:10px}.plan-chip{font-size:11px;font-weight:600;letter-spacing:.06em;padding:3px 10px;border-radius:20px;cursor:pointer;text-transform:uppercase;border:1px solid var(--border);color:var(--text-2);transition:border-color .15s,color .15s}.plan-chip:hover{border-color:var(--accent);color:var(--accent)}.plan-chip--pro{border-color:#4aff9166;color:var(--accent)}.plan-chip--business{border-color:#ffd54a66;color:#ffd54a}.btn-icon{background:none;border:none;font-size:16px;cursor:pointer;color:var(--text-2);padding:4px;line-height:1;transition:color .15s}.btn-icon:hover{color:var(--text-1)}.settings-panel{position:absolute;top:70px;right:20px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;min-width:220px;z-index:100;box-shadow:0 8px 32px #0006}.settings-label{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-2);margin-bottom:10px}.settings-key-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.settings-key-value{font-family:monospace;font-size:13px;color:var(--accent)}.payment-banner{background:var(--accent-dim);border:1px solid rgba(74,255,145,.3);border-radius:10px;padding:12px 16px;margin-bottom:16px;font-size:13px;color:var(--accent);display:flex;align-items:center;justify-content:space-between;gap:8px}.payment-banner button{background:none;border:none;color:var(--accent);cursor:pointer;font-size:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:flex-end;justify-content:center;z-index:200;padding:16px}@media (min-width: 480px){.modal-overlay{align-items:center}}.modal{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px 24px;width:100%;max-width:480px;position:relative;max-height:90vh;overflow-y:auto}.modal-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:22px;color:var(--text-2);cursor:pointer;line-height:1;padding:4px}.modal-close:hover{color:var(--text-1)}.modal-reason{background:#ff646414;border:1px solid rgba(255,100,100,.2);border-radius:8px;padding:10px 14px;font-size:13px;color:#ff9090;margin-bottom:16px}.modal-title{font-size:20px;font-weight:700;letter-spacing:-.03em;margin-bottom:6px}.modal-sub{font-size:13px;color:var(--text-2);margin-bottom:20px;line-height:1.5}.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}@media (max-width: 420px){.plan-grid{grid-template-columns:1fr}}.plan-card{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:16px 14px;display:flex;flex-direction:column;gap:8px;position:relative}.plan-card--highlight{border-color:#4aff9159;background:#4aff910a}.plan-badge{position:absolute;top:-10px;left:50%;transform:translate(-50%);background:var(--accent);color:#080808;font-size:10px;font-weight:700;padding:2px 10px;border-radius:20px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.plan-name{font-size:13px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--text-2)}.plan-price{font-size:20px;font-weight:800;letter-spacing:-.03em;color:var(--text-1)}.plan-features{list-style:none;display:flex;flex-direction:column;gap:4px;flex:1}.plan-features li{font-size:12px;color:var(--text-2)}.plan-features li:before{content:"✓ ";color:var(--accent)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-1)}.btn-outline:hover{border-color:var(--border-hover)}.key-form{display:flex;flex-direction:column;gap:12px;margin:16px 0}.key-input-field{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--text-1);font-size:14px;font-family:monospace;letter-spacing:.08em;text-transform:uppercase;outline:none;transition:border-color .15s}.key-input-field:focus{border-color:var(--accent)}.key-input-field::placeholder{color:var(--text-2)}@media (max-width: 400px){.app{padding:20px 16px 40px}.code-char{font-size:24px;padding:8px 10px;min-width:38px}.code-input-box{width:40px;height:48px;font-size:18px}}