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

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #00c48dc3;
    overflow-x: hidden; /* Prevent horizontal scroll on small screens */
    padding: 20px; /* Add some padding around the container on small screens */
}

.container {
    display: flex;
    width: 900px; /* Base width for larger screens */
    max-width: 100%; /* Ensure it doesn't overflow on very large screens */
    height: 600px; /* Base height for larger screens */
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* Left Section: Login Info */
.login-info-section {
    flex: 1;
    background-color: #00C48C; /* Green color from the image */
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    text-align: center;
}

.login-info-section h1 {
    font-size: 2.8em;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.login-info-section p {
    font-size: 1.1em;
    font-weight: 400;
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 300px; /* Constrain text width */
}

.login-button {
    display: inline-block;
    background-color: #ffffff73;
    color: #00C48C;
    padding: 12px 30px;
    border-radius: 25px;
    border: 1px solid white; 
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.login-button:hover {
    background-color: #e0e0e0c1;
}

/* Right Section: Registration Form */
.register-form-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    background-color: #fff;
}

.register-form-section h2 {
    font-size: 2.2em;
    font-weight: 600;
    margin-bottom: 30px;
    color: #333;
    text-transform: uppercase;
}

.register-form-section form {
    width: 100%;
    max-width: 350px; /* Maximum width for the form */
}

.form-group {
    margin-bottom: 15px;
}

.form-group input {
    width: 100%;
    padding: 15px 20px; /* Increased padding for taller fields */
    border: none;
    border-radius: 20px;
    font-size: 1em;
    color: #333;
    background-color: #f0f0f0; /* Light grey background for inputs */
}

.form-group input::placeholder {
    color: #a0a0a0;
}

.form-group input:focus {
    outline: none;
    box-shadow: 0 0 0 2px #00C48C; /* Focus highlight */
}

.btn-register {

    width: 100%; /* Full width for better mobile adaptability */
    padding: 15px;/* Increased padding for a larger button */
    background-color: #00C48C;
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.2em;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-top: 20px; /* Space above the button */
}

.btn-register:hover {
    background-color: #00A37A; /* Slightly darker green on hover */
    transform: translateY(-2px);
}

/* --------------------------------------------------- */
/* MEDIA QUERIES FOR RESPONSIVENESS */
/* --------------------------------------------------- */

/* For screens smaller than 900px (e.g., tablets in landscape, smaller laptops) */
@media (max-width: 900px) {
    .container {
        flex-direction: column; /* Stack sections vertically */
        width: 90%; /* Occupy 90% of viewport width */
        height: auto; /* Allow height to adjust based on content */
        border-radius: 15px; /* Keep consistent border radius */
    }

    .login-info-section, .register-form-section {
        flex: none; /* Remove flex sizing to allow full width */
        width: 100%; /* Take full width */
        padding: 30px; /* Adjust padding for smaller screens */
    }

    .login-info-section {
        border-bottom-left-radius: 0; /* Remove bottom-left radius for stacked layout */
    }

    .register-form-section {
        border-top-right-radius: 0; /* Remove top-right radius for stacked layout */
        border-bottom-left-radius: 15px; /* Add bottom-left radius */
    }

    .login-info-section h1 {
        font-size: 2.2em; /* Smaller title */
        margin-bottom: 15px;
    }

    .login-info-section p {
        font-size: 1em; /* Smaller paragraph text */
        margin-bottom: 25px;
    }

    .login-button {
        padding: 10px 25px; /* Slightly smaller button */
        font-size: 1em;
    }

    .register-form-section h2 {
        font-size: 1.8em; /* Smaller heading */
        margin-bottom: 25px;
    }
}

/* For screens smaller than 600px (e.g., mobile devices) */
@media (max-width: 600px) {
    body {
        padding: 15px; /* More padding around the container */
        overflow-y: auto; /* Allow vertical scrolling on small screens if content overflows */
    }

    .container {
        width: 100%; /* Full width on very small screens */
        border-radius: 10px; /* Slightly less rounded corners */
        box-shadow: none; /* Remove shadow to make it feel more integrated */
    }

    .login-info-section, .register-form-section {
        padding: 25px; /* Further reduce padding */
    }

    .login-info-section h1 {
        font-size: 1.8em; /* Even smaller title for mobile */
        margin-bottom: 10px;
    }

    .login-info-section p {
        font-size: 0.9em; /* Smaller paragraph */
        margin-bottom: 20px;
    }

    .login-button, .btn-register {
        padding: 10px 20px; /* Smaller buttons */
        font-size: 0.95em;
        border-radius: 20px; /* Slightly less rounded buttons */
    }

    .register-form-section h2 {
        font-size: 1.6em; /* Even smaller heading */
        margin-bottom: 20px;
    }

    .form-group input {
        padding: 12px 15px; /* Smaller input fields */
        font-size: 0.9em;
    }

    .btn-register {
        margin-top: 15px;
    }
}

/* For very small screens (e.g., iPhone 5/SE) if needed */
@media (max-width: 375px) {
    .login-info-section h1 {
        font-size: 1.6em;
    }
    .register-form-section h2 {
        font-size: 1.4em;
    }
    .form-group input {
        padding: 10px 12px;
    }
}

.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 8px;
    border: 1px solid #ef9a9a;
    font-size: 0.9rem;
}

.error-message ul {
    margin: 0;
    padding-left: 20px;
}

.success-message {
    background-color: #e8f5e9;
    color: #2e7d32;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border: 1px solid #a5d6a7;
    font-size: 1rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    animation: fadeInPulse 0.5s ease-out;
    line-height: 1.5;
}