:root{--bg-primary: #0a0b0e;--bg-secondary: #12141a;--bg-tertiary: #1a1d26;--bg-glass: rgba(18, 20, 26, .75);--bg-glass-card: rgba(26, 29, 38, .65);--border-subtle: rgba(255, 255, 255, .08);--border-hover: rgba(0, 240, 168, .35);--border-focus: #00f0a8;--text-primary: #f4f6fb;--text-secondary: #9499ab;--text-muted: #5e6479;--accent-primary: #00f0a8;--accent-secondary: #00d2ff;--accent-glow: rgba(0, 240, 168, .25);--accent-gradient: linear-gradient(135deg, #00f0a8 0%, #00d2ff 100%);--danger: #ff4757;--danger-glow: rgba(255, 71, 87, .25);--warning: #ffa502;--success: #2ed573;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--shadow-sm: 0 4px 12px rgba(0, 0, 0, .2);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--shadow-glow: 0 0 25px var(--accent-glow);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .4s cubic-bezier(.175, .885, .32, 1.275)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;min-height:100%;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-image:radial-gradient(circle at 50% 0%,rgba(0,240,168,.08) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(0,210,255,.05) 0%,transparent 40%),linear-gradient(to bottom,var(--bg-primary),#07080a);background-attachment:fixed}.app-container{display:flex;flex-direction:column;min-height:100vh;max-width:1100px;margin:0 auto;padding:1.5rem 1.5rem 2.5rem}.header{display:flex;justify-content:space-between;align-items:center;padding-bottom:1.5rem;border-bottom:1px solid var(--border-subtle);margin-bottom:2rem}.logo-group{display:flex;align-items:center;gap:.75rem}.logo-icon{width:36px;height:36px;display:grid;place-items:center;background:var(--accent-gradient);border-radius:var(--radius-md);color:#000;box-shadow:var(--shadow-glow)}.logo-text h1{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(180deg,#fff 30%,#a5b0c5);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logo-badge{font-size:.65rem;font-weight:600;padding:2px 6px;background:#00f0a826;color:var(--accent-primary);border-radius:var(--radius-full);margin-left:6px;vertical-align:middle;border:1px solid rgba(0,240,168,.3)}.header-actions{display:flex;align-items:center;gap:.75rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1rem;font-size:.875rem;font-weight:600;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);border:1px solid var(--border-subtle);background:var(--bg-secondary);color:var(--text-primary);user-select:none}.btn:hover{background:var(--bg-tertiary);border-color:var(--border-hover);transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--accent-gradient);color:#000;border:none;box-shadow:0 4px 15px #00f0a84d}.btn-primary:hover{box-shadow:0 6px 20px #00f0a880;transform:translateY(-2px)}.btn-icon{padding:.6rem;border-radius:var(--radius-md)}.btn-danger{background:#ff475726;color:var(--danger);border:1px solid rgba(255,71,87,.3)}.btn-danger:hover{background:#ff475740;border-color:var(--danger)}.device-badge-local{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.25rem;background:var(--bg-glass);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-bottom:2rem}.pulse-dot{width:10px;height:10px;background-color:var(--accent-primary);border-radius:var(--radius-full);box-shadow:0 0 10px var(--accent-primary);animation:pulseAnimation 2s infinite ease-in-out}@keyframes pulseAnimation{0%{transform:scale(.9);opacity:.8}50%{transform:scale(1.25);opacity:1;box-shadow:0 0 16px var(--accent-primary)}to{transform:scale(.9);opacity:.8}}.device-badge-local .info{display:flex;flex-direction:column;flex:1}.device-badge-local .badge-label{font-size:.675rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-primary);margin-bottom:.1rem}.device-badge-local .name{font-size:.95rem;font-weight:600;color:var(--text-primary)}.device-badge-local .subtext{font-size:.75rem;color:var(--text-muted)}.radar-section{display:flex;flex-direction:column;align-items:center;text-align:center;padding:2.5rem 1.5rem;background:var(--bg-glass);backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);position:relative;overflow:hidden;margin-bottom:2.5rem;min-height:280px;justify-content:center}.radar-waves{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:400px;height:400px;pointer-events:none;z-index:0}.radar-wave{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border-radius:var(--radius-full);border:1px solid rgba(0,240,168,.15);animation:radarWaveExpand 4s infinite cubic-bezier(.2,.6,.4,1)}.radar-wave:nth-child(2){animation-delay:1.3s}.radar-wave:nth-child(3){animation-delay:2.6s}@keyframes radarWaveExpand{0%{width:40px;height:40px;opacity:.8}to{width:480px;height:480px;opacity:0}}.radar-content{position:relative;z-index:1;width:100%}.radar-title{font-size:1.1rem;font-weight:600;color:var(--text-secondary);margin-bottom:1.5rem}.devices-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:1.5rem;width:100%}.device-card{display:flex;flex-direction:column;align-items:center;padding:1.25rem;min-width:160px;background:var(--bg-glass-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-bounce);user-select:none}.device-card:hover{transform:translateY(-4px) scale(1.03);border-color:var(--border-hover);box-shadow:0 10px 25px #00f0a826;background:var(--bg-tertiary)}.device-card.connected{border-color:var(--accent-secondary);box-shadow:0 0 18px #00d2ff59}.device-card.selected{border-color:var(--accent-primary)!important;background:#00f0a814!important;box-shadow:0 0 25px #00f0a866!important;transform:translateY(-4px) scale(1.04)}.device-selected-pill{position:absolute;top:-10px;background:var(--accent-primary);color:#0d0f14;font-size:.65rem;font-weight:800;padding:.15rem .5rem;border-radius:var(--radius-full);letter-spacing:.4px;text-transform:uppercase;box-shadow:0 4px 12px #00f0a880;animation:pulsePill 2s infinite}@keyframes pulsePill{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.device-card .icon-wrapper{width:52px;height:52px;border-radius:var(--radius-full);background:var(--bg-secondary);display:grid;place-items:center;margin-bottom:.75rem;border:1px solid var(--border-subtle);transition:border-color var(--transition-fast)}.device-card:hover .icon-wrapper{border-color:var(--accent-primary);color:var(--accent-primary)}.onboarding-banner{background:var(--bg-glass-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.25rem 1.5rem;margin-bottom:2rem;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.onboarding-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.onboarding-title{font-size:.9rem;font-weight:700;color:var(--accent-primary);letter-spacing:.2px}.onboarding-close{background:none;border:none;color:var(--text-muted);font-size:1.4rem;cursor:pointer;line-height:1;padding:0 .25rem;transition:color var(--transition-fast)}.onboarding-close:hover{color:var(--text-primary)}.onboarding-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}.onboarding-step{display:flex;align-items:flex-start;gap:.75rem}.step-num{width:26px;height:26px;border-radius:var(--radius-full);background:#00f0a826;color:var(--accent-primary);border:1px solid rgba(0,240,168,.3);font-size:.8rem;font-weight:700;display:grid;place-items:center;flex-shrink:0;margin-top:1px}.step-desc{font-size:.8rem;color:var(--text-secondary);line-height:1.4}.step-desc strong{color:var(--text-primary)}.device-card .device-name{font-size:.9rem;font-weight:600;color:var(--text-primary);text-align:center;word-break:break-word;max-width:170px;line-height:1.3}.device-card .device-status{font-size:.725rem;color:var(--text-muted);margin-top:.35rem;text-align:center;line-height:1.3}.device-card .device-status-connected{font-size:.7rem;font-weight:600;color:var(--accent-primary);margin-top:.2rem;text-align:center}.empty-devices-state{display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--text-muted);font-size:.875rem}.dropzone-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 2rem;border:2px dashed var(--border-subtle);border-radius:var(--radius-lg);background:#12141a66;transition:all var(--transition-normal);cursor:pointer;position:relative;text-align:center;margin-bottom:2rem}.dropzone-container:hover,.dropzone-container.drag-active,.dropzone-container.peer-selected{border-color:var(--accent-primary);background:#00f0a80d;box-shadow:0 0 30px #00f0a81f}.dropzone-container.peer-selected{border-style:solid}.dropzone-icon{width:56px;height:56px;border-radius:var(--radius-full);background:#00f0a81a;color:var(--accent-primary);display:grid;place-items:center;margin-bottom:1rem;transition:transform var(--transition-bounce)}.dropzone-container:hover .dropzone-icon{transform:translateY(-4px) scale(1.1)}.dropzone-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:.35rem}.dropzone-sub{font-size:.825rem;color:var(--text-muted)}.transfers-section{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.transfers-header{display:flex;justify-content:space-between;align-items:center}.transfers-title{font-size:1rem;font-weight:600;color:var(--text-secondary)}.batch-card{display:flex;flex-direction:column;padding:1rem 1.25rem;background:var(--bg-secondary);border:1px solid var(--border-hover);border-radius:var(--radius-md);box-shadow:0 4px 20px #00f0a81a;margin-bottom:.75rem}.batch-top{display:flex;justify-content:space-between;align-items:center;gap:1rem}.batch-title{font-size:.9rem;font-weight:700;color:var(--text-primary);display:block}.batch-meta{font-size:.75rem;color:var(--accent-primary);font-weight:500;display:block;margin-top:2px}.transfer-card{display:flex;flex-direction:column;gap:.75rem;padding:1.25rem;background:var(--bg-glass);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.transfer-card.completed{border-color:#2ed57366}.transfer-top{display:flex;justify-content:space-between;align-items:center}.file-info{display:flex;align-items:center;gap:.75rem;min-width:0}.file-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--bg-tertiary);display:grid;place-items:center;color:var(--accent-secondary);flex-shrink:0}.file-details{min-width:0}.file-name{font-size:.9rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px;text-decoration:none;display:inline-block;transition:color var(--transition-fast)}.file-name-link{color:var(--accent-secondary);cursor:pointer}.file-name-link:hover{text-decoration:underline!important;color:var(--accent-primary)!important}.file-meta{font-size:.75rem;color:var(--text-muted);display:flex;align-items:center;gap:.5rem;margin-top:3px}.badge-direction{font-size:.68rem;font-weight:700;padding:.15rem .45rem;border-radius:4px;letter-spacing:.3px;text-transform:uppercase}.badge-sent{background:#00d2ff26;color:var(--accent-secondary);border:1px solid rgba(0,210,255,.3)}.badge-received{background:#00f0a826;color:var(--accent-primary);border:1px solid rgba(0,240,168,.3)}.file-icon.icon-sent{background:#00d2ff1a;color:var(--accent-secondary);border:1px solid rgba(0,210,255,.25)}.file-icon.icon-received{background:#00f0a81a;color:var(--accent-primary);border:1px solid rgba(0,240,168,.25)}.progress-bar-fill.fill-sent{background:linear-gradient(90deg,#09f,#00d2ff);box-shadow:0 0 10px #00d2ff80}.progress-bar-fill.fill-received{background:linear-gradient(90deg,#00f0a8,#00d2ff);box-shadow:0 0 10px #00f0a880}.progress-bar-bg{width:100%;height:8px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden;position:relative}.progress-bar-fill{height:100%;width:0%;background:var(--accent-gradient);border-radius:var(--radius-full);transition:width .1s linear;box-shadow:0 0 12px var(--accent-glow)}.transfer-stats{display:flex;justify-content:space-between;align-items:center;font-size:.75rem;color:var(--text-secondary)}.transfer-speed{font-weight:600;color:var(--accent-primary)}.modal-overlay{position:fixed;inset:0;background:#000000bf;backdrop-filter:blur(8px);display:grid;place-items:center;z-index:100;padding:1.5rem;opacity:0;pointer-events:none;transition:opacity var(--transition-normal)}.modal-overlay.active{opacity:1;pointer-events:auto}.test-benchmarks-bar{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;padding:.75rem 1rem;background:var(--bg-glass);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-bottom:2rem}.test-benchmarks-label{font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-right:.25rem}.btn-sm{padding:.4rem .75rem;font-size:.75rem;border-radius:var(--radius-sm)}.modal-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:2rem;width:100%;max-width:480px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-md);transform:translateY(12px) scale(.96);transition:all var(--transition-bounce)}.modal-overlay.active .modal-card{transform:translateY(0) scale(1)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.modal-header h3{font-size:1.2rem;font-weight:700}.close-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.25rem;padding:.25rem;line-height:1}.close-btn:hover{color:var(--text-primary)}.modal-body{display:flex;flex-direction:column;gap:1.25rem}.pin-inputs{display:flex;justify-content:center;gap:.75rem;margin:1rem 0}.pin-digit{width:54px;height:64px;font-size:1.75rem;font-weight:700;text-align:center;background:var(--bg-tertiary);border:2px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--accent-primary);outline:none;transition:border-color var(--transition-fast)}.pin-digit:focus{border-color:var(--accent-primary);box-shadow:0 0 15px var(--accent-glow)}.form-group{display:flex;flex-direction:column;gap:.4rem;text-align:left}.form-group label{font-size:.8rem;color:var(--text-secondary);font-weight:500}.form-input{padding:.75rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;outline:none}.form-input:focus{border-color:var(--accent-primary)}.toast-container{position:fixed;top:1.5rem;right:1.5rem;display:flex;flex-direction:column;gap:.6rem;z-index:200;max-width:380px;pointer-events:none}.toast{padding:.75rem 1.15rem;background:#12141aeb;backdrop-filter:blur(12px);border:1px solid var(--border-hover);border-radius:var(--radius-md);box-shadow:0 10px 30px #00000080;color:var(--text-primary);font-size:.85rem;font-weight:500;display:flex;align-items:center;gap:.6rem;pointer-events:auto;animation:toastInTop .3s cubic-bezier(.16,1,.3,1);word-break:break-word}@keyframes toastInTop{0%{transform:translateY(-20px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}@media(max-width:640px){.app-container{padding:1rem}.header{flex-direction:row;gap:1rem}.devices-grid{gap:1rem}.file-name{max-width:180px}.pin-digit{width:44px;height:54px;font-size:1.4rem}}