:root{--primary: #00ff88;--primary-glow: rgba(0, 255, 136, .3);--secondary: #0099ff;--bg-dark: #0a0a0f;--bg-card: #15151f;--bg-hover: #1f1f2f;--text: #ffffff;--text-dim: #a0a0b0;--border: #2a2a3a;--error: #ff4466;--success: #00ff88;--warning: #ffaa00}*{margin:0;padding:0;box-sizing:border-box}body{font-family:JetBrains Mono,monospace;background:var(--bg-dark);color:var(--text);overflow-x:hidden;line-height:1.6}#root{min-height:100vh}body:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 20% 50%,rgba(0,255,136,.08) 0%,transparent 50%),radial-gradient(circle at 80% 50%,rgba(0,153,255,.08) 0%,transparent 50%);animation:rotate 30s linear infinite;pointer-events:none;z-index:0}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}h1,h2,h3{font-family:Syne,sans-serif;font-weight:800;letter-spacing:-.02em}.logo{font-family:Syne,sans-serif;font-weight:800;font-size:1.5rem;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}.container{max-width:1200px;margin:0 auto;padding:2rem;position:relative;z-index:1}.page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;position:relative}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:2rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative;overflow:hidden;transition:all .3s ease}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary));opacity:0;transition:opacity .3s ease}.card:hover:before{opacity:1}.btn{font-family:JetBrains Mono,monospace;font-size:.95rem;font-weight:500;padding:.875rem 1.75rem;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease;position:relative;overflow:hidden;text-decoration:none;display:inline-block;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:var(--bg-dark);font-weight:700;box-shadow:0 0 30px var(--primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 40px var(--primary-glow)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--primary)}.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border)}.btn-ghost:hover{color:var(--text);border-color:var(--text-dim)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.upload-zone{border:2px dashed var(--border);border-radius:16px;padding:3rem;text-align:center;cursor:pointer;transition:all .3s ease;background:var(--bg-card);position:relative}.upload-zone:hover{border-color:var(--primary);background:var(--bg-hover)}.upload-zone.drag-over{border-color:var(--primary);background:#00ff880d;border-style:solid}.upload-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.progress-container{width:100%;background:var(--bg-card);border-radius:8px;overflow:hidden;height:8px;position:relative}.progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));transition:width .3s ease;position:relative;box-shadow:0 0 20px var(--primary-glow)}.progress-bar:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.status{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:6px;font-size:.875rem;font-weight:500}.status-indicator{width:8px;height:8px;border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.status-connecting{background:#ffaa001a;color:var(--warning)}.status-connecting .status-indicator{background:var(--warning)}.status-connected{background:#00ff881a;color:var(--success)}.status-connected .status-indicator{background:var(--success)}.status-error{background:#ff44661a;color:var(--error)}.status-error .status-indicator{background:var(--error)}.qr-container{padding:1.5rem;background:#fff;border-radius:12px;display:inline-block;box-shadow:0 10px 40px #0000004d}.link-display{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:1rem;font-family:JetBrains Mono,monospace;font-size:.875rem;color:var(--primary);word-break:break-all;display:flex;align-items:center;gap:1rem;justify-content:space-between}.file-info{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;margin-top:1rem}.file-icon{font-size:2rem;opacity:.5}.file-details h4{font-size:1rem;margin-bottom:.25rem;color:var(--text)}.file-details p{font-size:.875rem;color:var(--text-dim)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1.5rem 0}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:1rem;text-align:center}.stat-value{font-size:1.5rem;font-weight:700;color:var(--primary);font-family:Syne,sans-serif}.stat-label{font-size:.75rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;margin-top:.25rem}.alert{padding:1rem 1.5rem;border-radius:8px;margin:1rem 0;display:flex;align-items:center;gap:.75rem;font-size:.875rem}.alert-warning{background:#ffaa001a;border:1px solid var(--warning);color:var(--warning)}.alert-info{background:#0099ff1a;border:1px solid var(--secondary);color:var(--secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .5s ease}@media (max-width: 768px){.container{padding:1rem}.card{padding:1.5rem}.stats-grid{grid-template-columns:1fr 1fr}.btn{width:100%;justify-content:center}}.text-center{text-align:center}.text-dim{color:var(--text-dim)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}