:root {
    --background-light: #f4f4f9;
    --background-dark: #2e2e2e;
    --text-light: #333;
    --text-dark: #f4f4f9;
    --link-color: #4a90e2;
    --link-hover-color: #007bff;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-light);
    color: var(--text-light);
    text-align: center;
    transition: background-color 0.3s, color 0.3s;
}

.dark-mode {
    background-color: var(--background-dark);
    color: var(--text-dark);
}

h1 {
    color: var(--link-color);
    margin-top: 50px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s, box-shadow 0.3s;
    text-align: left;
}

.controls {
    text-align: center;
}

.dark-mode .container {
    background: #444;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid #ddd;
}

th {
    text-align: left;
}

td.link {
    text-align: left;
}

a {
    text-decoration: none;
    color: var(--link-color);
}

a:hover {
    text-decoration: underline;
    color: var(--link-hover-color);
}

.toggle-button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: var(--link-color);
    color: #fff;
    cursor: pointer;
    font-size: 16px;
}

.toggle-button:hover {
    background-color: var(--link-hover-color);
}

.option-details {
    margin-top: 40px;
}

.option-details h2 {
    color: var(--link-color);
}

.option-block {
    margin-bottom: 15px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #fafafa;
}

.dark-mode .option-block {
    background-color: #333;
    border-color: #555;
}

.option-name {
    font-weight: bold;
    font-size: 1.1em;
    color: var(--link-color);
}

.option-meta {
    margin-top: 5px;
    color: #666;
}

.dark-mode .option-meta {
    color: #ccc;
}

#toast-container {
    position: fixed;
    top: 0px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    pointer-events: none;
    width: 50%; /* 👈 sets width */
}

.toast-message {
    background-color: rgba(0, 0, 0, 0.65);  /* 👈 black with 75% opacity */
    color: #fff;
    padding: 12px 20px;
    margin-top: 10px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
    text-align: center;
}

body.dark-mode .toast-message {
    background-color: rgba(74, 144, 226, 0.65);  /* 90% opaque blue */
    color: #111;
}