body {
    font-family: Arial;
    margin: 0;
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    min-height: 100vh;
}
.header {
    background: linear-gradient(90deg, #1a1a2e, #16213e);
    color: white;
    padding: 10px;
    text-align: center;
    border-bottom: 3px solid #e94560;
}
.navbar {
    background: linear-gradient(90deg, #16213e, #0f3460);
    padding: 10px;
    text-align: center;
}
.navbar a {
    color: #f0c040;
    margin: 10px;
    text-decoration: none;
    font-weight: bold;
}
.navbar a:hover {
    color: #e94560;
}
.container {
    padding: 20px;
    background: rgba(255,255,255,0.85);
    margin: 20px auto;
    max-width: 900px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.footer {
    background: linear-gradient(90deg, #1a1a2e, #16213e);
    color: white;
    text-align: center;
    padding: 10px;
    border-top: 3px solid #e94560;
}
img {
    margin: 10px 0;
    border-radius: 10px;
}
button {
    background: linear-gradient(90deg, #e94560, #0f3460);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    margin-top: 8px;
}
button:hover {
    opacity: 0.85;
}