/* Reset & base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Container */
.login-container {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

/* Form */
.login-form h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.input-group {
    margin-bottom: 1.2rem;
}

    .input-group label {
        display: block;
        margin-bottom: 0.5rem;
        color: #333;
    }

    .input-group input {
        width: 100%;
        padding: 0.75rem;
        border: 1px solid #ccc;
        border-radius: 5px;
    }

/* Button */
button {
    width: 100%;
    padding: 0.75rem;
    background-color: #4a90e2;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

    button:hover {
        background-color: #357ab8;
    }

/* Signup link */
.signup-link {
    text-align: center;
    margin-top: 1rem;
}

    .signup-link a {
        color: #4a90e2;
        text-decoration: none;
    }

/* Mobile-friendly */
@media (max-width: 480px) {
    .login-container {
        padding: 1.5rem;
        border-radius: 8px;
    }

    .login-form h2 {
        font-size: 1.5rem;
    }

    button {
        font-size: 0.95rem;
    }
}