:root{--bg-color: #030712;--card-bg: rgba(17, 24, 39, .7);--accent-color: #3b82f6;--accent-hover: #60a5fa;--accent-glow: rgba(59, 130, 246, .5);--text-primary: #f8fafc;--text-secondary: #94a3b8;--border-color: rgba(255, 255, 255, .08);--glass-blur: blur(20px);--transition: all .3s cubic-bezier(.4, 0, .2, 1);--grid-color: rgba(255, 255, 255, .03)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);background-image:linear-gradient(var(--grid-color) 1px,transparent 1px),linear-gradient(90deg,var(--grid-color) 1px,transparent 1px);background-size:40px 40px;color:var(--text-primary);font-family:Outfit,Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;justify-content:center;align-items:center;overflow-x:hidden;position:relative}body:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 50% 0%,rgba(59,130,246,.15),transparent 60%);pointer-events:none;z-index:-1}#root{width:100%;max-width:1000px;padding:2rem;z-index:1}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--border-color);border-radius:32px;padding:3rem;box-shadow:0 20px 40px -10px #00000080,0 0 0 1px #ffffff0d inset;transition:var(--transition)}.title-gradient{background:linear-gradient(135deg,#fff 20%,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:800;letter-spacing:-.03em;filter:drop-shadow(0 0 20px rgba(59,130,246,.3))}.container{display:flex;flex-direction:column;gap:2.5rem;width:100%}.header{display:flex;justify-content:space-between;align-items:center;padding:0 .5rem}.brand{display:flex;align-items:center;gap:1rem}.logo-icon{color:var(--accent-color);width:40px;height:40px;filter:drop-shadow(0 0 10px var(--accent-glow))}.subtitle{color:var(--text-secondary);text-align:center;margin-bottom:2.5rem;font-size:1.2rem;font-weight:300;letter-spacing:.02em}.dropzone{border:2px dashed var(--border-color);border-radius:24px;padding:5rem 3rem;text-align:center;cursor:pointer;transition:var(--transition);display:flex;flex-direction:column;align-items:center;gap:1.5rem;background:linear-gradient(180deg,#ffffff03,#fff0);position:relative;overflow:hidden}.dropzone:hover,.dropzone.dragging{border-color:var(--accent-color);background:#3b82f614;transform:scale(1.02);box-shadow:0 0 30px -10px var(--accent-glow)}.upload-icon{width:64px;height:64px;color:var(--accent-color);opacity:.9;filter:drop-shadow(0 0 15px var(--accent-glow));transition:transform .5s cubic-bezier(.34,1.56,.64,1)}.dropzone:hover .upload-icon{transform:translateY(-5px) scale(1.1)}.formats-tip{font-size:.9rem;color:var(--text-secondary);opacity:.8;background:#0003;padding:.5rem 1rem;border-radius:20px}.file-list{margin-top:2.5rem;display:flex;flex-direction:column;gap:1rem}.file-item{background:linear-gradient(90deg,#ffffff05,#ffffff03);border:1px solid var(--border-color);border-radius:18px;padding:1.25rem 2rem;display:flex;justify-content:space-between;align-items:center;gap:1.5rem;animation:slideIn .4s cubic-bezier(.2,.8,.2,1);transition:background-color .3s ease}.file-item:hover{background:#ffffff0a;border-color:#ffffff26}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.file-info{display:flex;align-items:center;gap:1.25rem;flex:1;min-width:0}.music-icon{color:var(--text-secondary);flex-shrink:0;background:#ffffff0d;padding:10px;border-radius:12px;width:44px;height:44px}.file-details{display:flex;flex-direction:column;min-width:0;gap:.2rem}.file-name{font-weight:600;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-primary)}.file-size{font-size:.85rem;color:var(--text-secondary);font-family:JetBrains Mono,monospace}.file-actions{display:flex;align-items:center;gap:1.25rem}.format-select{background:#0f172a;color:var(--text-primary);border:1px solid var(--border-color);border-radius:10px;padding:.6rem 1rem;cursor:pointer;outline:none;font-size:.9rem;transition:border-color .2s}.format-select:hover{border-color:var(--accent-color)}.btn-primary,.btn-success,.btn-clear{border:none;border-radius:14px;padding:.75rem 1.5rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.6rem;transition:all .3s ease;position:relative;overflow:hidden}.btn-primary{background:var(--accent-color);color:#fff;box-shadow:0 4px 15px #3b82f666}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 25px #3b82f699}.btn-success{background:linear-gradient(135deg,#10b981,#059669);color:#fff;text-decoration:none;box-shadow:0 4px 15px #10b98166}.btn-success:hover{transform:translateY(-2px);box-shadow:0 8px 25px #10b98199}.btn-icon{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:.6rem;border-radius:10px;transition:var(--transition)}.btn-icon:hover{background:#ef44441a;color:#ef4444;transform:rotate(90deg)}.progress-container{display:flex;align-items:center;gap:1rem;width:180px;background:#0003;padding:.5rem 1rem;border-radius:20px}.progress-bar{flex:1;height:6px;background:#ffffff0d;border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-color),#a855f7);box-shadow:0 0 10px var(--accent-color);transition:width .3s ease}.progress-text{font-size:.85rem;min-width:40px;font-feature-settings:"tnum";font-weight:500}.btn-clear{align-self:flex-end;background:#ffffff0d;color:var(--text-secondary);font-size:.9rem;padding:.6rem 1.25rem;border-radius:20px;border:1px solid transparent}.btn-clear:hover{background:#ef44441a;color:#ef4444;border-color:#ef444433}.lang-toggle{background:#ffffff08;border:1px solid var(--border-color);color:var(--text-primary);padding:.6rem 1.2rem;border-radius:40px;cursor:pointer;display:flex;align-items:center;gap:.6rem;transition:var(--transition);font-size:.9rem;font-weight:500}.lang-toggle:hover{background:#ffffff14;border-color:#fff3;transform:translateY(-1px)}.footer{text-align:center;color:var(--text-secondary);font-size:.85rem;margin-top:2rem;opacity:.6}@media(max-width:768px){.file-item{flex-direction:column;align-items:stretch;padding:1.5rem}.file-actions{width:100%;justify-content:space-between;margin-top:.5rem}}