body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f2f5;
    text-align: center;
}
.container {
    padding: 40px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    max-width: 400px;
}
.timer {
    font-size: 64px;
    font-weight: bold;
    color: #c0392b;
    margin: 20px 0;
}
.info {
    font-size: 1.1em;
    color: #333;
    line-height: 1.6;
}
.url-highlight {
    display: block;
    font-weight: bold;
    color: #2980b9;
    margin-top: 10px;
    font-size: 1.2em;
}
.btn-manual {
    margin-top: 25px;
    display: inline-block;
    padding: 10px 20px;
    background-color: #2980b9;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}
.btn-manual:hover {
    background-color: #1c5980;
}