:root{--bg-color:#030712;--panel-bg:#11182799;--text-main:#f9fafb;--text-muted:#9ca3af;--primary:#3b82f6;--primary-glow:#60a5fa;--accent:#14b8a6;--accent-glow:#2dd4bf;--success:#10b981;--danger:#ef4444;--glass-border:#ffffff14;--radius:12px;--transition:all .3s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(circle at 10% 20%,#3b82f61a,#0000 30%),radial-gradient(circle at 90% 80%,#14b8a61a,#0000 30%),linear-gradient(90deg,#ffffff05 1px,#0000 1px),linear-gradient(#ffffff05 1px,#0000 1px);background-size:100% 100%,100% 100%,40px 40px,40px 40px;justify-content:center;align-items:center;min-height:100vh;padding:2rem;font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex;overflow-x:hidden}.app-container{flex-direction:column;gap:2.5rem;width:100%;max-width:950px;animation:.8s cubic-bezier(.16,1,.3,1) forwards slideUp;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero{text-align:center;position:relative}.hero h1{letter-spacing:-1px;background:linear-gradient(135deg, var(--text-main), var(--text-muted));-webkit-text-fill-color:transparent;text-shadow:0 0 30px #ffffff1a;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:3.5rem;font-weight:700}.hero p{color:var(--accent-glow);letter-spacing:.5px;font-size:1.15rem;font-weight:300}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius);border-top:1px solid #ffffff26;flex-direction:column;gap:2.5rem;padding:2.5rem;display:flex;box-shadow:0 25px 50px -12px #00000080}h2{text-transform:uppercase;letter-spacing:2px;color:var(--accent);border-bottom:1px solid var(--glass-border);align-items:center;gap:.8rem;margin-bottom:1rem;padding-bottom:.8rem;font-size:1.25rem;display:flex}.drop-zones{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}@media (width<=700px){.drop-zones{grid-template-columns:1fr}}.drop-zone{border:1px solid var(--glass-border);border-radius:var(--radius);text-align:center;transition:var(--transition);background:#0006;flex-direction:column;gap:.5rem;padding:2.5rem 1rem;display:flex;position:relative;box-shadow:inset 0 0 20px #00000080}.drop-zone:hover,.drop-zone.dragover{border-color:var(--primary);background:#3b82f61a;box-shadow:0 0 20px #3b82f633,inset 0 0 20px #00000080}.drop-zone .icon{pointer-events:none;filter:drop-shadow(0 0 10px #fff3);font-size:2.5rem}.drop-zone h3{pointer-events:none;color:var(--text-main);font-size:1.1rem}.drop-zone p{color:var(--text-muted);pointer-events:none;font-size:.9rem}.hidden-input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;top:0;left:0}.file-preview{color:var(--primary-glow);word-break:break-all;background:#3b82f61a;border:1px solid #3b82f64d;border-radius:6px;margin-top:1rem;padding:.6rem;font-size:.85rem;font-weight:600}.hidden{display:none!important}.settings-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.8rem;display:grid}.setting-group{flex-direction:column;gap:.6rem;display:flex}label{color:var(--text-muted);font-size:.9rem;font-weight:600}.hint{color:var(--text-muted);opacity:.8;font-size:.75rem}input[type=number],input[type=text],input[type=email],input[type=password],select{border:1px solid var(--glass-border);color:#fff;width:100%;transition:var(--transition);background:#00000080;border-radius:8px;padding:.85rem 1rem;font-family:inherit;font-size:1rem}input[type=number]:focus,input[type=text]:focus,input[type=email]:focus,input[type=password]:focus,select:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #14b8a633}input[type=range]{accent-color:var(--accent);background:var(--glass-border);cursor:pointer;border-radius:2px;outline:none;height:4px}.preset-btn{border:1px solid var(--glass-border);color:var(--text-muted);cursor:pointer;transition:var(--transition);background:#ffffff0d;border-radius:4px;max-width:max-content;padding:.2rem .6rem;font-family:inherit;font-size:.75rem}.preset-btn:hover{color:var(--text-main);border-color:var(--accent);background:#14b8a633}.action-section{flex-direction:column;align-items:center;gap:1.5rem;margin-top:1rem;display:flex}button{letter-spacing:.5px;cursor:pointer;width:100%;max-width:400px;transition:var(--transition);border:none;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:1.1rem 2rem;font-family:inherit;font-size:1.1rem;font-weight:600;display:flex}.primary-btn{background:linear-gradient(135deg, var(--primary), #2563eb);color:#fff;border:1px solid #ffffff1a;box-shadow:0 4px 15px #3b82f64d}.primary-btn:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 8px 25px #3b82f680}.primary-btn:disabled{color:var(--text-muted);box-shadow:none;cursor:not-allowed;background:#ffffff0d;border-color:#0000}.success-btn{background:linear-gradient(135deg, var(--success), #047857);color:#fff;animation:.5s cubic-bezier(.175,.885,.32,1.275) popIn;box-shadow:0 4px 15px #10b9814d}.success-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #10b98180}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}#progress-container{text-align:center;width:100%;max-width:500px}.progress-bar-bg{border:1px solid var(--glass-border);background:#00000080;border-radius:4px;width:100%;height:8px;margin-bottom:.8rem;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--accent), var(--primary-glow));width:0%;height:100%;box-shadow:0 0 10px var(--accent-glow);transition:width .3s}#progress-text{color:var(--text-main);font-family:inherit;font-size:.9rem}footer{text-align:center;color:var(--text-muted);opacity:.6;font-size:.85rem}.auth-container{z-index:999;background:inherit;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);justify-content:center;align-items:center;width:100vw;min-height:100vh;display:flex;position:absolute;top:0;left:0}.auth-panel{text-align:center;width:100%;max-width:450px}.auth-form{flex-direction:column;gap:1.2rem;margin-top:1rem;display:flex}.submit-auth-btn{width:100%;margin-top:.5rem}.error-msg{color:var(--danger);background:#ef44441a;border:1px solid #ef44444d;border-radius:8px;margin-top:.5rem;padding:.8rem;font-size:.9rem}.auth-toggle{color:var(--text-muted);margin-top:1rem;font-size:.9rem}#auth-toggle-link{color:var(--primary-glow);transition:var(--transition);margin-left:.3rem;font-weight:600;text-decoration:none}#auth-toggle-link:hover{color:var(--accent-glow);text-decoration:underline}