#xv-app{--accent:#8b5cf6;--accent2:#6366f1;--success:#10b981;--error:#ef4444;--warning:#f59e0b;--txt0:#f8fafc;--txt1:#cbd5e1;--txt2:#94a3b8;--inp-bg:rgba(15,23,42,.6);--inp-bdr:rgba(71,85,105,.4);--glass:rgba(17,24,39,.6);--glass-bdr:rgba(139,92,246,.2);max-width:720px;margin:30px auto;font-family:Inter,-apple-system,sans-serif}
#xv-app *{box-sizing:border-box;margin:0;padding:0}
#xv-app .xv-hdr{text-align:center;margin-bottom:28px}
#xv-app .xv-title{font-size:26px;font-weight:700;background:linear-gradient(135deg,#c4b5fd,#818cf8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin:0 0 6px}
#xv-app .xv-badge{display:inline-block;background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.3);color:#c4b5fd;padding:2px 10px;border-radius:999px;font-size:10px;font-weight:700;margin-left:8px;-webkit-text-fill-color:#c4b5fd}
#xv-app .xv-sub{color:var(--txt2);font-size:12px;margin:0}
#xv-app .xv-card{background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-bdr);border-radius:20px;padding:30px;box-shadow:0 25px 50px -12px rgba(0,0,0,.5)}
#xv-app .xv-sec{margin-bottom:22px}
#xv-app .xv-sec-hdr{display:flex;justify-content:space-between;margin-bottom:8px}
#xv-app .xv-lbl{font-size:11px;font-weight:600;color:var(--txt1);text-transform:uppercase;letter-spacing:.08em}
#xv-app .xv-inp,#xv-app .xv-ta{width:100%;background:var(--inp-bg);border:1px solid var(--inp-bdr);border-radius:10px;padding:13px 15px;color:var(--txt0);font-size:14px;font-family:Consolas,monospace;transition:border-color .2s}
#xv-app .xv-inp:focus,#xv-app .xv-ta:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(139,92,246,.15)}
#xv-app .xv-ta{min-height:140px;resize:vertical;line-height:1.6}
#xv-app .xv-pw-wrap{position:relative;display:flex;gap:6px}
#xv-app .xv-pw-wrap .xv-inp{flex:1;padding-right:85px}
#xv-app .xv-pw-act{position:absolute;right:6px;top:50%;transform:translateY(-50%);display:flex;gap:3px}
#xv-app .xv-ibtn{background:transparent;border:1px solid var(--inp-bdr);color:var(--txt1);width:30px;height:30px;border-radius:7px;cursor:pointer;font-size:13px;padding:0;line-height:1}
#xv-app .xv-ibtn:hover{background:rgba(139,92,246,.15);border-color:var(--accent)}
#xv-app .xv-ta-wrap{position:relative}
#xv-app .xv-ta-clr{position:absolute;right:10px;top:10px;background:rgba(71,85,105,.5);border:1px solid rgba(71,85,105,.6);color:var(--txt1);width:24px;height:24px;border-radius:6px;cursor:pointer;display:none;font-size:14px;padding:0;line-height:1}
#xv-app .xv-ta-clr.vis{display:block}
#xv-app .xv-ta-clr:hover{background:rgba(239,68,68,.2);color:var(--error)}
#xv-app .xv-str-m{margin-top:8px;height:3px;background:rgba(71,85,105,.3);border-radius:2px;overflow:hidden}
#xv-app .xv-str-b{height:100%;width:0;border-radius:2px;transition:all .3s}
#xv-app .xv-act{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:6px}
#xv-app .xv-btn{padding:13px 18px;border:none;border-radius:11px;font-weight:600;font-size:14px;cursor:pointer;color:#fff;transition:transform .2s,box-shadow .2s}
#xv-app .xv-btn-enc{background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 4px 14px rgba(139,92,246,.3)}
#xv-app .xv-btn-dec{background:linear-gradient(135deg,#475569,#334155)}
#xv-app .xv-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 20px rgba(139,92,246,.4)}
#xv-app .xv-btn:disabled{opacity:.5;cursor:not-allowed}
#xv-app .xv-res{margin-top:20px;background:rgba(15,23,42,.5);border:1px solid var(--inp-bdr);border-radius:12px;overflow:hidden;display:none;animation:xvSu .3s ease}
@keyframes xvSu{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
#xv-app .xv-res-hdr{padding:10px 15px;background:rgba(139,92,246,.08);border-bottom:1px solid var(--inp-bdr);font-size:11px;color:var(--txt1);font-weight:600;text-transform:uppercase;letter-spacing:.05em;display:flex;justify-content:space-between}
#xv-app .xv-res-body{padding:15px;font-family:'Segoe UI Symbol',monospace;font-size:13px;color:var(--txt0);white-space:pre-wrap;word-break:break-all;max-height:280px;overflow-y:auto;line-height:1.7}
#xv-app .xv-res-act{padding:10px 15px;background:rgba(0,0,0,.2);border-top:1px solid var(--inp-bdr);display:flex;gap:6px;flex-wrap:wrap}
#xv-app .xv-btn-sm{padding:7px 13px;font-size:12px;border-radius:7px;background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.3);color:#c4b5fd;cursor:pointer;font-weight:600}
#xv-app .xv-btn-sm:hover{background:rgba(139,92,246,.25)}
.xv-toast{position:fixed;top:20px;right:20px;z-index:99999;background:var(--glass,rgba(17,24,39,.8));backdrop-filter:blur(20px);border:1px solid var(--glass-bdr,rgba(139,92,246,.2));padding:10px 16px;border-radius:9px;color:#f8fafc;font-size:12px;min-width:200px;box-shadow:0 10px 25px rgba(0,0,0,.4);animation:xvTi .3s ease}
@keyframes xvTi{from{opacity:0;transform:translateX(100px)}to{opacity:1;transform:translateX(0)}}
.xv-toast.suc{border-left:3px solid var(--success,#10b981)}
.xv-toast.err{border-left:3px solid var(--error,#ef4444)}
.xv-toast.wrn{border-left:3px solid var(--warning,#f59e0b)}
.xv-toast.inf{border-left:3px solid var(--accent,#8b5cf6)}
@media(max-width:640px){#xv-app .xv-card{padding:18px}#xv-app .xv-act{grid-template-columns:1fr}#xv-app .xv-title{font-size:20px}}