body, html {
    height: 100%;
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #FFE873;
}
.login-bg {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bg-img {
    position: absolute;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    opacity: 0.15;
    z-index: 1;
}
.login-container {
    position: relative;
    z-index: 2;
    background: rgba(255,255,255,0.85);
    border-radius: 16px;
    box-shadow: 0 4px 24px #64646444;
    padding: 32px 24px;
    max-width: 340px;
    width: 90vw;
    text-align: center;
}
.logo {
    width: 80px;
    margin-bottom: 16px;
}
h1 {
    color: #306998;
    margin-bottom: 24px;
}
form input[type="text"],
form input[type="password"] {
    width: 90%;
    max-width: 260px;
    padding: 10px;
    margin: 8px auto;
    display: block;
    border: 1px solid #4B8BBE;
    border-radius: 8px;
    font-size: 1em;
}
form button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(90deg, #4B8BBE 60%, #306998 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: bold;
    margin-top: 12px;
    box-shadow: 0 2px 8px #64646433;
    transition: background 0.2s;
}
form button:hover {
    background: linear-gradient(90deg, #306998 60%, #4B8BBE 100%);
}
@media (max-width: 600px) {
    .login-container {
        padding: 18px 8px;
        max-width: 98vw;
    }
    .logo {
        width: 60px;
    }
}