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

/* theme variables */
:root {
    --bg: #f7f6f3;
    --text: #2f2f38;
    --nav-bg: #f0eee9;
    --shadow: rgba(0, 0, 0, 0.1);
    --code-bg: #ece8e1;
    --pre-border: #d8d2c6;
    --btn-bg: #f7f6f3;
    --btn-text: #2f2f38;
    --radius: 10px;
    --link-color : #0000ff;
}

[data-theme="dark"] {
    --bg: #0f172a;
    --text: #c9d1d9;
    --nav-bg: #0f172a;
    --shadow: rgba(255, 255, 255, 0.05);
    --code-bg: #00183a;
    --pre-border: #004ea8;
    --btn-bg: #0f172a;
    --btn-text: #c9d1d9;
    --link-color : #9999ff;
}

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

body {
        padding: 0;
        margin: 0;
        min-height: 100vh;
        background-color: var(--bg);
        color: var(--text);
        font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        transition: background .3s, color .3s;
}

nav {
    background-color: var(--nav-bg);
    box-shadow: 3px 3px 5px var(--shadow);
    margin-bottom: 1rem;
}

nav ul {
    width: 100%;
    list-style: none;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

nav li {
    height: 50px;
    border-radius: var(--radius);
    font-weight: 600;
}

nav a {
    height: 100%;
    padding: 0 20px;
    text-decoration: none;
    display: flex;
    align-items: center;
    color: var(--text);
    font-size: 0.9rem;
    gap: 4px;
}

nav a:hover {
    background-color: rgba(0,0,0,0.05);
}

nav li:first-child {
    margin-right: auto;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 250px;
    z-index: 999;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: -10px 0px 10px var(--shadow);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding-top: 1rem;
    gap: 0.5rem;
}

[data-theme="dark"] .sidebar {
    background-color: rgba(15, 23, 42, 0.95);
}

.sidebar li {
    width: 100%;
}

.sidebar a {
    width: 100%;
    padding: 10px 20px;
    display: block;
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
}

.sidebar a:hover {
    background-color: rgba(255,255,255,0.05);
}

/* Responsive */
@media (min-width: 651px) {
    .menuButton {
        display: none;
    }
}

@media (max-width: 650px) {
    .hideOnMobile {
        display: none;
    }
    .menuButton {
        display: block;
    }
}

@media (max-width: 400px) {
    .sidebar {
        width: 100%;
    }
}

/* Code block + copy button */
pre {
    position: relative;
    padding: 1em;
    padding-top: 2.5em;
    background: var(--code-bg);
    overflow: auto;
    border: 1px solid var(--pre-border);
    border-radius: 6px;
    margin: 1rem 0;
    transition: background .3s, border-color .3s;
}

code {
    display: block;
    white-space: pre;
    font-family: monospace;
}

.copy-btn {
    position: absolute;
    top: 0.5em;
    right: 0.5em;
    padding: 4px 8px;
    font-size: 0.65em;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    border: 1px solid var(--pre-border);
    border-radius: 5px;
    cursor: pointer;
    transition: filter .2s;
}


/* Theme toggle button (if needs extra styling) */
.theme-toggle {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text);
    font-size: 0; /* hide any accidental text */
    text-decoration: none;
}

/* optional hover effect to give subtle affordance */
.theme-toggle:hover svg {
    filter: brightness(1.2);
}

#content {
    max-width: 900px;
    align-content: center;
    margin: auto;
    padding: 10px;
    align-self: center;
}