.upload-container{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:16px;flex-direction:column;justify-content:center;gap:15px;width:100%;max-width:500px;min-height:300px;margin:20px auto;padding:35px 40px;display:flex;box-shadow:0 8px 25px #00000026}.upload-container h2{color:#1e293b;margin-bottom:10px;font-size:22px}.file-input{background:#f9fafb;border:1px solid #ccc;border-radius:8px;padding:8px}button{color:#fff;cursor:pointer;background-color:#22c55e;border:none;border-radius:10px;padding:12px 22px;font-size:15px;font-weight:500;transition:all .25s}button:hover:not(:disabled){background-color:#16a34a}button:disabled{cursor:not-allowed;background-color:#ccc}.error{color:#ef4444;margin-top:5px}.container{flex-direction:column;height:100%;display:flex}.info{background:#f1f5f9;border-bottom:1px solid #e2e8f0;flex-direction:column;align-items:center;padding:10px;display:flex}.site-name{color:#1e293b;letter-spacing:1px;font-size:18px;font-weight:700}.site-url{color:#64748b;word-break:break-all;margin-top:2px;font-size:12px}.frame-container{background:#f9f9f9;flex:1;margin-bottom:10px;margin-left:30px;margin-right:30px;position:relative;overflow:hidden}.iframe{border:2px solid gray;width:100%;height:100%}.loader{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.blocked{flex-direction:column;justify-content:center;align-items:center;height:100%;display:flex}.buttons{justify-content:center;gap:20px;padding:15px 0;display:flex}button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#4f46e5,#3b82f6);border:none;border-radius:25px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .25s;box-shadow:0 4px 10px #00000026}button:hover:not(:disabled){transform:translateY(-2px)scale(1.03);box-shadow:0 6px 14px #0003}button:active:not(:disabled){transform:scale(.97)}button:disabled{color:#666;cursor:not-allowed;box-shadow:none;background:#cbd5f5}button span{margin:0 5px}body{background:#f1f5f9;margin:0;font-family:Segoe UI,Arial,sans-serif}.app{flex-direction:column;height:100vh;display:flex}.header{color:#fff;z-index:1000;background:linear-gradient(90deg,#1e293b,#0f172a);align-items:center;height:60px;padding:0 20px;font-size:20px;font-weight:600;display:flex;position:sticky;top:0}.content{background:url(/assets/webs.png) 50%/cover no-repeat;flex:1;position:relative;overflow-y:auto}.content:before{content:"";z-index:0;background:#ffffff80;position:absolute;inset:0}.content>*{z-index:1;position:relative}.placeholder{text-align:center;color:#1e293b;flex-direction:column;justify-content:center;align-items:center;gap:25px;height:100%;display:flex}.placeholder h1{margin:0;font-size:34px}.placeholder p{opacity:.9;font-size:17px}.upload-card{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff40;border-radius:18px;justify-content:center;align-items:center;width:800px;min-height:180px;padding:50px;display:flex;box-shadow:0 10px 30px #0003}button{color:#fff;cursor:pointer;background:#3b82f6;border:none;border-radius:10px;padding:10px 18px;font-weight:500;transition:all .2s}button:hover:not(:disabled){background:#2563eb}button:disabled{cursor:not-allowed;background:#94a3b8}