/* Root Variables */
:root {
    --primary-bg: rgb(51,51,51);
    --secondary-bg: rgb(61,61,61);
    --accent-color: rgb(0,190,0);
    --text-color: rgb(250,250,55);
    --border-color: grey;
}

/* Base Styles */
body {
    margin: 0;
    min-height: 100vh;
    background-color: var(--primary-bg);
    font-family: monospace;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
}

/* Navbar Styles */
.navbar {
    background-color: var(--secondary-bg);
    padding: 0.5rem;
    border-bottom: 3px solid var(--border-color);
    display: flex;
    align-items: center;
}

.navbar img {
    height: 5rem;
    width: auto;
    transition: opacity 0.3s ease;
}

.navbar img:hover {
    opacity: 0.8;
}

/* Update Header to work with navbar */
header {
    background-color: var(--secondary-bg);
    padding: 1rem;
    text-align: center;
    border-bottom: 3px solid var(--border-color);
}

header h1 {
    color: var(--text-color);
    font-style: italic;
    margin: 0;
}

/* Homepage Layout */
.content-wrapper {
    display: flex;
    flex: 1;
    flex-wrap: wrap;
    min-height: calc(100vh - 100px);
}

.section {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    min-width: 300px;
}

.leftdiv {
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url("Images/PhysicsHomepage.jpg");
    background-size: cover;
    background-position: center;
    border-right: 3px solid var(--border-color);
}

.right-div {
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url("Images/ChemistryHomepage.jpg");
    background-size: cover;
    background-position: center;
}

/* Section Headings */
.section-heading {
    background-color: var(--secondary-bg);
    padding: 1rem;
    margin: 0;
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    color: var(--accent-color);
    font-size: 1.5rem;
}

/* Experiment List */
.experiment-list {
    list-style-position: inside;
    padding: 2rem;
    margin: 0;
}

.experiment-list li {
    list-style: outside;
    padding: 1rem;
    text-align: center;
    font-size: 2.2rem;
}

.experiment-list a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.experiment-list a:hover {
    color: var(--accent-color);
}

/* Experiment pages */
.experiment-container {
    display: flex;
    padding: 2rem;
    gap: 2rem;
}

.form-section {
    flex: 2;
    max-width: 800px;
}

.output-section {
    flex: 1;
    position: sticky;
    top: 2rem;
}

/* Form elements */
.input-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
}

input[type="number"] {
    background-color: black;
    color: white;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.radio-group {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 0.5rem;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

button {
    flex: 1;
    padding: 0.8rem;
    background-color: var(--primary-bg);
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
}

/* Output display */
.result-display {
    background-color: var(--secondary-bg);
    padding: 1rem;
    border-radius: 10px;
    border: 3px double var(--border-color);
    margin-bottom: 2rem;
}

.visualization img {
    width: 100%;
    border-radius: 10px;
}

/* Login Page Styles */
.login-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-image: url('Webpages/Images/LoginPage.jpg');
    background-attachment: fixed;
    background-size: cover;
    backdrop-filter: brightness(0.7);
}

.login-header {
    position: absolute;
    top: 0;
    width: 100%;
    text-align: center;
    background-color: var(--primary-bg);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.login-header h1 {
    font-size: 2rem;
    margin: 0;
    color: var(--text-color);
}

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgba(51, 51, 51, 0.9);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 400px;
}

.login-form label {
    font-size: 1.5rem;
    color: var(--text-color);
}

.login-form input {
    font-size: 1.5rem;
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-color);
}

.login-form .button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.login-form .reset-btn {
    flex: 1;
    max-width: 30%;
}

.login-form .submit-btn {
    flex: 2;
    max-width: 65%;
}

/* Responsive Design */
@media (max-width: 768px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .leftdiv {
        border-right: none;
        border-bottom: 3px solid var(--border-color);
    }

    .experiment-container {
        flex-direction: column;
    }

    .output-section {
        position: static;
    }
    
    .login-container {
        width: 90%;
        margin: 1rem;
    }
    
    .login-form input,
    .login-form button {
        font-size: 1.2rem;
    }
}