/* Base layout */
body {
    margin: 0;
    padding: 0;
    background-color: #000;
    color: #fff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

h1 {
    margin-bottom: 30px;
    font-size: 2.2rem;
    font-weight: 600;
    letter-spacing: 1.2px;
}

/* Login box container */
.login-box {
    background-color: #1a1a1a;
    padding: 30px 25px;
    margin-right: 25px;
    margin-left: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 25px rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 350px;
    box-sizing: border-box;
}

/* Input styling */
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    margin-left: -10px;
    margin-bottom: 18px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    background-color: #2c2c2c;
    color: white;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
    color: #999;
}

/* Button styling */
button {
    width: 100%;
    padding: 12px;
    background-color: #444;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #666;
}

/* Error styling */
.error {
    color: #ff6b6b;
    margin-bottom: 12px;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    h1 {
        font-size: 1.6rem;
    }

    .login-box {
        padding: 25px 20px;
    }
}