/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 10px;
}

/* Login Box */
.login-container {
    background: #fff;
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    width: 350px;
    max-width: 100%;
    text-align: center;
}

h2 {
    margin-bottom: 25px;
    color: #333;
    font-size: 1.8rem;
}

/* Form */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 1rem;
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 12px;
    background: #2c3e50;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background: #1a252f;
}

/* Messages */
.messages {
    margin-top: 15px;
}

.message {
    padding: 10px;
    border-radius: 6px;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
}

.message.success {
    background: #d4edda;
    color: #155724;
}

/* Responsive */
@media (max-width: 480px) {
    body {
        padding: 20px;
    }

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

    h2 {
        font-size: 1.5rem;
    }

    .form-group input {
        padding: 10px;
        font-size: 0.95rem;
    }

    .btn-primary {
        padding: 10px;
        font-size: 0.95rem;
    }
}