body {
    font-family: "Quicksand", sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    height: 100vh;
    display: flex;
    overflow: hidden;
    transition: background-color 0.3s, color 0.3s;
}

.page-container {
    display: flex;
    width: 100%;
    height: 100%;
}

.controls-panel {
    width: 350px;
    padding: 20px;
    background-color: #fff;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    transition: background-color 0.3s, box-shadow 0.3s;
}

@media (max-width: 768px) {
    .controls-panel {
        width: 90%;
        position: fixed;
        bottom: 0;
        top: 0;
        left: 0;
        z-index: 1000;
        box-shadow: none;
    }

    #graph-container {
        display: none;
    }

    #path-toggle {
        display: none;
    }

    .status::after {
        content: "Graph Related on PC Only";
        font-size: 0.8em;
        color: #ff0000;
    }
}

.graph-panel {
    flex-grow: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 10px;
    box-sizing: border-box;
}

#graph-container {
    width: 100%;
    height: 100%;
    border: 1px solid #ccc;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: background-color 0.3s, border-color 0.3s;
}

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

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
    transition: color 0.3s;
}

select,
button#findPathBtn,
input[type="search"] {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #ccc;
    box-sizing: border-box;
    font-size: 16px;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

input[type="search"] {
    margin-bottom: 5px;
}

button#findPathBtn {
    background-color: #007bff;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}

button#findPathBtn:hover {
    background-color: #0056b3;
}

#theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background-color: #333;
    color: white;
    font-size: 24px;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s, color 0.3s, transform 0.3s;
}

#theme-toggle:hover {
    background-color: #555;
    transform: scale(1.1);
}

body.dark-theme {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-theme .controls-panel {
    background-color: #1e1e1e;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
}

body.dark-theme .graph-panel #graph-container {
    background-color: #2a2a2a;
    border-color: #444;
}

body.dark-theme .control-group label {
    color: #e0e0e0;
}

body.dark-theme select,
body.dark-theme input[type="search"] {
    background-color: #333;
    color: #e0e0e0;
    border-color: #555;
}

body.dark-theme #theme-toggle {
    background-color: #f0f0f0;
    color: #333;
}

body.dark-theme #theme-toggle:hover {
    background-color: #ddd;
}
.github-icon {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
    color: #333;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 4px;
    transition: color 0.2s, background 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.github-icon:hover {
    color: #24292f;
    background: #eaeaea;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}
body.dark-theme .github-icon {
    color: #e0e0e0;
    background: #222;
}
body.dark-theme .github-icon:hover {
    background: #333;
    color: #fff;
}