body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #0f0f14;
    overflow-x: hidden; 
    overflow-y: auto;   
    color: white;
}

.background {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, #00c89633, transparent),
                radial-gradient(circle at 70% 70%, #6c63ff33, transparent);
    filter: blur(80px);
}

.card {
    position: relative;
    width: 450px;
    padding: 40px;
    margin: 80px auto;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 0 40px rgba(0, 200, 150, 0.2);
    text-align: center;
}

h1 {
    margin-bottom: 20px;
}

.upload-area {
    border: 2px dashed #00c896;
    padding: 30px;
    border-radius: 15px;
    cursor: pointer;
    margin-bottom: 15px;
    transition: 0.3s;
}

.upload-area:hover {
    background: rgba(0,200,150,0.1);
}

textarea {
    width: 100%;
    height: 100px;
    border-radius: 12px;
    border: none;
    padding: 15px;
    background: rgba(255,255,255,0.1);
    color: white;
    margin-bottom: 15px;
    resize: none;
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(90deg, #00c896, #6c63ff);
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.05);
}

.loader {
    border: 4px solid rgba(255,255,255,0.1);
    border-top: 4px solid #00c896;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    margin: 15px auto;
    animation: spin 1s linear infinite;
}
iframe{
    width:100%;
    height:400px;
    margin-top:15px;
    border-radius:15px;
    border:none;
}

.hidden {
    display: none;
}
#status {
    margin-top: 15px;
    font-weight: bold;
    color: #00c896;
}
@keyframes spin {
    100% { transform: rotate(360deg); }
}