body {
    margin: 0;
    padding: 0;
    background: #000;
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: #fff;
}

.login-container {
    text-align: center;
}

.logo {
    width: 320px;
    margin-bottom: 30px;
    filter: drop-shadow(0px 0px 10px #444);
}

.login-box {
    background: rgba(255, 255, 255, 0.06);
    padding: 30px;
    border-radius: 12px;
    width: 380px;
    backdrop-filter: blur(6px);
    box-shadow: 0 0 25px rgba(255,255,255,0.08);
}

.login-box h2 {
    margin-bottom: 20px;
    font-weight: 300;
    letter-spacing: 1px;
}

input[type="text"],
input[type="password"] {
    width: 90%;
    padding: 12px;
    margin: 10px 0;
    border: none;
    border-radius: 6px;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 15px;
}

input::placeholder {
    color: #ccc;
}

button {
    width: 95%;
    padding: 12px;
    margin-top: 15px;
    background: #1e90ff;
    border: none;
    border-radius: 6px;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    letter-spacing: 1px;
    transition: 0.2s;
}

button:hover {
    background: #3aa2ff;
}

.error-box {
    background: rgba(255,0,0,0.3);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    color: #ffb3b3;
    font-size: 14px;
}