* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 20px; 
    background: #000;
    font-family: "Arial Black", "Helvetica Neue", sans-serif; 
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 500px; 
    display: flex;
    flex-direction: column;
    gap: 20px; 
}

.login-title {
    font-size: 48px;
    margin: 0;
    margin-left: 20px;
    text-transform: uppercase;
    font-size: clamp(32px, 8vw, 48px); 
}

.login-box {
    background: white;
    color: black;
    width: 100%;
    padding: 20px;
    border-radius: 35px;
    display: flex;
    flex-direction: column;
    gap: 25px; 
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 20px;
    font-weight: bold;
    margin-left: 5px;
}

.input-group input {
    width: 100%;
    height: 55px; 
    background: #333;
    border: 2px solid #333;
    border-radius: 12px;
    padding: 0 15px;
    font-size: 18px;
    color: white;
    outline: none;
    transition: border-color 0.3s, background 0.3s;
}

.input-group input:focus {
    background: #000;
    border-color: #555;
}

.login-btn {
    margin-top: 10px;
    width: 100%; 
    max-width: 200px; 
    height: 60px;
    background: #000;
    color: white;
    font-size: 24px;
    font-weight: bold;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    align-self: flex-start; 
    transition: transform 0.1s, opacity 0.3s;
}

.login-btn:active {
    transform: scale(0.98);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .login-box {
        border-radius: 25px;
    }
    
    .login-title {
        margin-left: 20px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }

    .login-box {
        border-radius: 20px;
        gap: 20px;
    }

    .input-group label {
        font-size: 16px;
    }

    .input-group input {
        height: 50px;
        font-size: 16px;
    }

    .login-btn {
        width: 100%; 
        max-width: none; 
        height: 55px;
        font-size: 20px;
    }
}