:root{--primary:#00f2fe;--secondary:#0ea5e9;--accent:#3b82f6;--bg-dark:#020617;--card-bg:#0f172abf;--text-main:#f8fafc;--text-dim:#94a3b8;--glass-border:#ffffff1a;--glow:#00f2fe4d;--danger:#ef4444;--success:#10b981;--font-main:"Outfit", sans-serif}.preloader{background:var(--bg-dark);z-index:9999;justify-content:center;align-items:center;transition:opacity .8s,visibility .8s;display:flex;position:fixed;inset:0}.preloader.fade-out{opacity:0;visibility:hidden}.preloader-content{text-align:center}.preloader-logo{height:190px;filter:drop-shadow(0 0 20px var(--glow));margin-bottom:2rem;animation:2s ease-in-out infinite pulseLogo}.loader-bar{background:#ffffff0d;border-radius:2px;width:200px;height:4px;margin:0 auto;overflow:hidden}.loader-progress{background:linear-gradient(to right, var(--secondary), var(--primary));width:0;height:100%;animation:2.5s ease-in-out infinite loadProgress}@keyframes pulseLogo{0%,to{filter:drop-shadow(0 0 20px var(--glow));transform:scale(1)}50%{filter:drop-shadow(0 0 40px var(--glow));transform:scale(1.05)}}@keyframes loadProgress{0%{width:0;left:0}50%{width:100%;left:0}to{width:0;left:100%}}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-dark);color:var(--text-main);flex-direction:column;min-height:100vh;display:flex;overflow-x:hidden}.background-wrapper{z-index:-1;position:fixed;inset:0;overflow:hidden}.mesh-gradient{filter:blur(80px);background:radial-gradient(circle at 20% 30%,#00f2fe26 0%,#0000 40%),radial-gradient(circle at 80% 70%,#0ea5e926 0%,#0000 40%),radial-gradient(circle,#3b82f61a 0%,#0000 60%);animation:20s linear infinite alternate meshMove;position:absolute;inset:-50%}@keyframes meshMove{0%{transform:rotate(0)scale(1)}to{transform:rotate(5deg)scale(1.1)}}.noise-overlay{opacity:.03;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");position:absolute;inset:0}.side-drawer{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:1000;border-right:1px solid var(--glass-border);background:#020617f2;width:320px;height:100%;padding:2.5rem;transition:left .4s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:-320px}.side-drawer.open{left:0}.drawer-header{justify-content:space-between;align-items:center;margin-bottom:3rem;display:flex}.drawer-header h2{color:var(--primary);letter-spacing:3px;font-size:1.8rem;font-weight:700}.close-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;font-size:32px;transition:color .3s}.close-btn:hover{color:#fff}.drawer-nav{flex-direction:column;gap:.8rem;display:flex}.nav-item{color:var(--text-dim);border:1px solid #0000;border-radius:16px;align-items:center;gap:15px;padding:14px 20px;font-weight:500;text-decoration:none;transition:all .3s;display:flex}.nav-item:hover{color:#fff;border-color:var(--glass-border);background:#ffffff0d}.nav-item.active{color:var(--primary);background:linear-gradient(135deg,#00f2fe1a,#4facfe1a);border-color:#00f2fe4d}.drawer-overlay{z-index:999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;width:100%;height:100%;display:none;position:fixed;top:0;left:0}.drawer-overlay.visible{display:block}.app-header{z-index:100;padding:1.5rem 2rem}.header-content{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;display:flex}.header-left{align-items:center;gap:20px;display:flex}.menu-btn{border:1px solid var(--glass-border);color:#fff;cursor:pointer;background:#ffffff0d;border-radius:12px;justify-content:center;align-items:center;width:45px;height:45px;font-size:20px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.menu-btn:hover{background:var(--primary);color:var(--bg-dark);transform:rotate(90deg)}.logo-container{align-items:center;gap:12px;display:flex}.logo-img{height:60px;filter:drop-shadow(0 0 8px var(--glow))}.logo-text{letter-spacing:2px;background:linear-gradient(135deg, #fff 0%, var(--text-dim) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:800}.connection-pill{border:1px solid var(--glass-border);background:#ffffff0d;border-radius:20px;align-items:center;gap:8px;padding:6px 14px;font-size:.85rem;font-weight:600;display:flex}.status-dot{background-color:var(--danger);width:8px;height:8px;box-shadow:0 0 8px var(--danger);border-radius:50%}.connection-pill.online .status-dot{background-color:var(--success);box-shadow:0 0 8px var(--success)}.app-main{flex:1;justify-content:center;align-items:center;padding:2rem;display:flex}.screen{width:100%;max-width:600px;display:none}.screen.active{display:block}#screen-dashboard{max-width:1000px}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:28px;padding:2rem;box-shadow:0 25px 50px -12px #00000080}.card-header h1{margin-bottom:.8rem;font-size:2rem;font-weight:800;line-height:1.1}.card-header h2{margin-bottom:.5rem;font-size:1.8rem;font-weight:700}.card-header p{color:var(--text-dim);margin-bottom:1.8rem;font-size:1rem;line-height:1.4}.input-field{margin-bottom:1.5rem;position:relative}.input-field input{border:1px solid var(--glass-border);color:#fff;background:#0f172a80;border-radius:16px;outline:none;width:100%;padding:1.2rem;font-size:1rem;transition:all .3s}.input-field label{color:var(--text-dim);pointer-events:none;font-size:1rem;transition:all .3s;position:absolute;top:50%;left:1.2rem;transform:translateY(-50%)}.input-field input:focus,.input-field input:not(:placeholder-shown){border-color:var(--primary);background:#0f172acc}.input-field input:focus+label,.input-field input:not(:placeholder-shown)+label{background:var(--bg-dark);color:var(--primary);padding:0 .5rem;font-size:.8rem;top:0;left:1rem}.btn-primary{background:linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);color:#020617;cursor:pointer;border:none;border-radius:16px;justify-content:center;align-items:center;gap:10px;width:100%;padding:1.2rem;font-size:1.1rem;font-weight:700;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex}.btn-primary:hover{transform:translateY(-4px);box-shadow:0 10px 25px #00f2fe66}.btn-primary .icon{width:20px;height:20px}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-top:2rem;display:grid}.feature-item{border:1px solid var(--glass-border);background:#ffffff08;border-radius:18px;padding:1.2rem;transition:all .3s}.feature-item .icon{margin-bottom:.6rem;font-size:1.5rem;display:block}.feature-item h3{color:#fff;margin-bottom:.4rem;font-size:1rem}.feature-item p{margin-bottom:0;font-size:.8rem;line-height:1.3}.how-it-works-section{text-align:left;margin-top:3rem}.section-title{text-align:center;margin-bottom:1.5rem;font-size:1.4rem}.how-to-steps{gap:1rem;display:flex}.step-card{background:#00f2fe08;border:1px solid #00f2fe1a;border-radius:20px;flex:1;padding:1.2rem;position:relative}.step-card h3{margin-bottom:.3rem;font-size:1rem}.step-card p{font-size:.8rem;line-height:1.3}.step-num{background:var(--primary);color:var(--bg-dark);border-radius:10px;justify-content:center;align-items:center;width:35px;height:35px;font-weight:800;display:flex;position:absolute;top:-15px;left:20px;box-shadow:0 5px 15px #00f2fe4d}.dashboard-layout{grid-template-columns:1fr 350px;gap:2rem;display:grid}.dashboard-header{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;margin-bottom:2.5rem;padding-bottom:1.5rem;display:flex}.user-info,.peer-info{flex-direction:column;display:flex}.label{color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;font-size:.75rem}.value{font-size:1.1rem;font-weight:700}.value.highlight{color:var(--primary)}.btn-icon{border:1px solid var(--glass-border);color:var(--text-dim);cursor:pointer;background:#ffffff0d;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;transition:all .2s;display:flex}.btn-icon:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-icon svg{width:20px;height:20px}.transfer-modes{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.drop-zone{border:2px dashed var(--glass-border);text-align:center;cursor:pointer;background:#ffffff05;border-radius:24px;padding:3rem 1.5rem;transition:all .3s}.drop-zone:hover{border-color:var(--primary);background:#00f2fe0d;transform:translateY(-5px)}.drop-icon-wrapper{width:64px;height:64px;color:var(--primary);background:#00f2fe1a;border-radius:20px;justify-content:center;align-items:center;margin:0 auto 1.5rem;display:flex}.drop-icon{width:32px;height:32px}.drop-zone h3{margin-bottom:.5rem;font-size:1.2rem;font-weight:700}.drop-zone p{color:var(--text-dim);font-size:.9rem}.progress-section{border:1px solid var(--glass-border);background:#0000004d;border-radius:24px;margin-top:2.5rem;padding:2rem}.progress-meta{justify-content:space-between;margin-bottom:1rem;display:flex}.filename{white-space:nowrap;text-overflow:ellipsis;max-width:70%;font-weight:600;overflow:hidden}.percent{color:var(--primary);font-weight:800}.progress-track{background:#ffffff0d;border-radius:5px;height:10px;overflow:hidden}.progress-fill{width:0%;height:100%;transition:width .1s linear}.progress-section[data-type=receiving] .progress-fill{background:linear-gradient(90deg,#10b981,#34d399);box-shadow:0 0 15px #10b9814d}.progress-section[data-type=sending] .progress-fill{background:linear-gradient(to right, var(--secondary), var(--primary));box-shadow:0 0 15px var(--glow)}.progress-stats{color:var(--text-dim);justify-content:space-between;margin-top:1rem;font-size:.8rem;font-weight:600;display:flex}.speed{color:var(--success)}.history-card{padding:2rem}.history-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.history-header h3{font-size:1.1rem}.count{color:var(--text-dim);background:#ffffff0d;border-radius:8px;padding:4px 10px;font-size:.8rem}.file-list{flex-direction:column;gap:12px;display:flex}.empty-state{text-align:center;color:var(--text-dim);padding:3rem 1rem}.empty-icon{opacity:.2;width:48px;height:48px;margin-bottom:1rem}.file-item{border:1px solid var(--glass-border);background:#ffffff08;border-radius:16px;align-items:center;gap:12px;padding:12px;display:flex}.file-icon{background:#ffffff0d;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex}.file-details{flex-direction:column;flex:1;min-width:0;display:flex}.file-header-row{justify-content:space-between;align-items:center;margin-bottom:2px;display:flex}.file-name{white-space:nowrap;text-overflow:ellipsis;max-width:180px;font-size:.9rem;font-weight:600;overflow:hidden}.badge{text-transform:uppercase;border-radius:4px;padding:2px 6px;font-size:.65rem;font-weight:700}.badge.sent{color:var(--secondary);background:#4facfe1a}.badge.received{color:var(--success);background:#10b9811a}.status-ok{color:var(--success);font-size:.8rem;font-weight:700}.status-pending{color:var(--primary);font-size:.8rem;font-weight:700;animation:1.5s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.file-size{color:var(--text-dim);font-size:.75rem}.btn-download{background:var(--primary);color:#020617;cursor:pointer;border:none;border-radius:8px;padding:6px 12px;font-size:.75rem;font-weight:700}.support-grid{grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:2rem;display:grid}.support-item{border:1px solid var(--glass-border);text-align:left;background:#ffffff08;border-radius:24px;padding:2rem}.support-item strong{color:var(--primary);margin-bottom:.5rem;font-size:1.2rem;display:block}.app-footer{text-align:center;color:var(--text-dim);border-top:1px solid var(--glass-border);background:#02061766;padding:3rem 2rem;font-size:.9rem}.footer-tags{letter-spacing:1px;text-transform:uppercase;margin-bottom:1.5rem;font-size:.8rem;font-weight:600}.dot-sep{color:var(--primary);margin:0 12px}.developer-info{opacity:.8;margin-top:.5rem;font-size:.8rem}.brand{color:var(--primary);font-weight:700}.hidden{display:none!important}.animate-slide-up{animation:.8s cubic-bezier(.16,1,.3,1) both slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.error-text{color:var(--danger);text-align:center;margin-top:1rem;font-size:.85rem}@media (width<=768px){.dashboard-layout{grid-template-columns:1fr}.card{padding:2rem 1.5rem}.card-header h1{font-size:2rem}.id-display{letter-spacing:10px;font-size:3rem}.transfer-modes,.support-grid{grid-template-columns:1fr}}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;background:#000000b3;justify-content:center;align-items:center;width:100%;height:100%;transition:all .3s;display:flex;position:fixed;top:0;left:0}.modal-overlay.hidden{opacity:0;pointer-events:none;visibility:hidden}.modal-card{text-align:center;border:1px solid #ffffff1a;border-radius:24px;width:90%;max-width:400px;padding:2rem}.modal-icon{margin-bottom:1rem;font-size:3rem}.modal-info-box{color:#fcd34d;background:#f59e0b1a;border-left:4px solid #f59e0b;border-radius:8px;margin:1.5rem 0;padding:1rem;font-size:.85rem}.modal-actions{grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem;display:grid}.btn-secondary{color:#fff;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:.8rem;transition:all .2s}.btn-secondary:hover{background:#ffffff1a}