:root{--bg:#1E1E1E;--card:#252526;--radius:8px;--shadow:0 2px 8px rgba(0,0,0,.3);--blur:blur(20px);--text:#E0E0E0;--text2:#A0A0A0;--accent:#0078D7;--bg-image:url(https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=1920&q=80)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,sans-serif;min-height:100vh;position:relative}body::before{content:'';position:fixed;inset:0;z-index:-1;background:var(--bg-image) center/cover no-repeat;opacity:.25;filter:saturate(1.1) brightness(1.1)}.app-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:10px 20px;background:rgba(37,37,38,.85);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border-bottom:1px solid rgba(255,255,255,.06)}.app-title{font-size:18px;font-weight:600;color:var(--text);text-decoration:none}.btn{padding:8px 16px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.1);background:var(--card);color:var(--text);cursor:pointer;transition:all .2s}.btn:hover{background:#333;border-color:var(--accent)}input[type=search]{flex:1;max-width:400px;padding:8px 14px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.1);background:var(--card);color:var(--text);font-size:14px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;padding:16px 20px}.item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 8px;border-radius:var(--radius);background:rgba(37,37,38,.75);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);cursor:pointer;transition:all .15s;border:1px solid rgba(255,255,255,.06);text-align:center;word-break:break-all;font-size:12px}.item:hover{background:#2D2D2D;border-color:rgba(255,255,255,.08);box-shadow:var(--shadow)}.item .icon{font-size:40px;line-height:1}.item .name{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item .size{color:var(--text2);font-size:11px}@keyframes breathe{0%,100%{border-color:rgba(0,120,215,.3);box-shadow:0 0 20px rgba(0,120,215,.1)}50%{border-color:rgba(0,120,215,.8);box-shadow:0 0 40px rgba(0,120,215,.3)}}.drop-zone{border:2px dashed rgba(255,255,255,.2);border-radius:var(--radius);padding:40px;text-align:center;transition:all .3s;cursor:pointer}.drop-zone.active{animation:breathe 1.5s infinite}.drop-zone p{color:var(--text2);font-size:14px}progress{width:100%;height:6px;border-radius:3px;appearance:none}.progress::-webkit-progress-bar{background:var(--card);border-radius:3px}.progress::-webkit-progress-value{background:var(--accent);border-radius:3px;transition:width .3s}.dialog-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5)}.dialog-box{background:rgba(37,37,38,.92);backdrop-filter:var(--blur);border-radius:12px;padding:16px;min-width:220px;box-shadow:0 4px 24px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.06)}.dialog-box button{display:block;width:100%;padding:10px 16px;margin:4px 0;border:none;border-radius:6px;background:transparent;color:var(--text);text-align:left;cursor:pointer;font-size:14px;transition:all .15s}.dialog-box button:hover{background:rgba(255,255,255,.06)}.footer{text-align:center;padding:16px;color:var(--text2);font-size:12px;border-top:1px solid rgba(255,255,255,.04)}.folder-normal{color:#F59E0B}.folder-encrypted{color:#E81123}.folder-shared{color:#0078D7}.apk-icon{color:#3DDC84}.zip-icon{color:#FF8C00}