/* Dark Theme Default */
:root {
    --background-color: #1E1E2F;
    --text-color: #E4E4E4;
    --link-color: #8C88F3;
    --link-hover-color: #B8A9F3;
    --heading-color: #D1D1FF;
    --form-bg-color: #2C2C41;
    --form-border-color: #3A3A5C;
    --button-bg-color: #6F48C9;
    --button-hover-bg-color: #5A3D99;
    --table-header-bg-color: #2A2A47;
    --table-header-text-color: #8C88F3;
    --blockquote-bg-color: #2C2C41;
    --blockquote-border-color: #8C88F3;
    --code-bg-color: #3A3A5C;
    --pre-bg-color: #2A2A47;
    --scrollbar-thumb-color: #444444;
    --scrollbar-track-color: #1E1E2F;

    --h1-font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --h2-font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --h3-font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --p-font-family: 'Arial', sans-serif;
}

/* Basic Styles */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--p-font-family);
    margin: 0;
    padding: 0;
}

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

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

h1, h2, h3, h4, h5, h6 {
    text-align: center;
    color: var(--heading-color);
    font-family: var(--h1-font-family);
    margin-bottom: 0.5em;
}

h2 { font-family: var(--h2-font-family); }
h3 { font-family: var(--h3-font-family); }

p {
    line-height: 1.6;
    margin-bottom: 1em;
    font-family: var(--p-font-family);
}

ul, ol {
    margin-left: 2em;
    margin-bottom: 1em;
}

/* Form Styles */
input, textarea, select, button {
    background-color: var(--form-bg-color);
    color: var(--text-color);
    border: 1px solid var(--form-border-color);
    padding: 10px;
    font-size: 1rem;
    border-radius: 5px;
}

input:focus, textarea:focus, select:focus, button:focus {
    outline: none;
    border-color: var(--link-color);
}

button {
    background-color: var(--button-bg-color);
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
}

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

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2em;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--scrollbar-thumb-color);
}

th {
    background-color: var(--table-header-bg-color);
    color: var(--table-header-text-color);
}

/* Blockquote and Code Styles */
blockquote {
    background-color: var(--blockquote-bg-color);
    color: var(--blockquote-border-color);
    padding: 1em;
    margin: 1em 0;
    border-left: 5px solid var(--blockquote-border-color);
}

code {
    background-color: var(--code-bg-color);
    color: var(--text-color);
    padding: 2px 4px;
    border-radius: 5px;
}

/* Preformatted Text Styles */
pre {
    background-color: var(--pre-bg-color);
    color: var(--text-color);
    padding: 20px;
    border-radius: 5px;
    overflow: auto;
}

/* Scrollbar Styles */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background-color: var(--scrollbar-thumb-color); border-radius: 5px; }
::-webkit-scrollbar-track { background-color: var(--scrollbar-track-color); }

/* Responsive Design */
@media (max-width: 768px) {
    body { padding: 20px; }
    h1 { font-size: 2em; }
    p { font-size: 1rem; }
}

/* Color Scheme Dropdown Style */
.color-scheme-dropdown { position: absolute; right: 1%; }

/* Custom Header Styles */
.header1 {
    display: flex;
    padding: 1%;
    border-bottom: solid var(--form-border-color);
}

.header2 {
    display: flex;
    border-bottom: solid var(--form-border-color);
    justify-content: center;
}

.header2 nav { padding: 1%; width: 100%; }
.header2 nav a { padding: 2%; }

/* Card Styles */
.card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
}

.card {
    width: 30%;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    background-color: var(--form-bg-color);
    color: var(--text-color);
    border: 1px solid var(--form-border-color);
    border-radius: 10px;
    box-sizing: border-box;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card p { margin: 0; font-size: 16px; font-weight: bold; }

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card a { color: var(--link-color); text-decoration: none; display: block; }
.card a:hover { color: var(--link-color); }

/* Middle Form Styles */
.middleform {
    display: block;
    text-align: -webkit-center;
    unicode-bidi: isolate;
    width: 100%;
}

.middleform input { margin: 1%; text-align: center; }
.middleform button { margin: 1%; }