.post-content pre,
.post-content pre code {
    border-radius: var(--radius);
}
.post-content pre code > table {
    display: table;
    margin: 10px auto;
    border-radius: var(--radius);
    border-spacing: 0;
    border-collapse: collapse;
    table-layout: fixed;
    width: 100%;
}
.post-content pre code > table td {
    vertical-align: top;
    padding: 0;
    margin: 0;
    border: 0;
}
.post-content pre code > table td:first-child {
    white-space: pre;
    user-select: none;
    margin: 0;
    padding: 0 1em 0 0;
    color: #7f7f7f;
    text-align: right;
    display: table-cell;
    max-width: 10%;
}
.post-content pre code > table td:nth-child(2) {
    width: 92%;
}
#searchbox input {
    background-color: var(--theme);
}
.dark #searchbox input {
    background-color: var(--tertiary);
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

/* Hamburger menu button */
.menu-toggle {
    display: none;
    cursor: pointer;
    line-height: var(--header-height);
    margin: auto 4px;
    color: var(--primary);
}

/* Desktop: minimal dropdown submenu */
.has-submenu {
    position: relative;
}

/* Allow submenu dropdown to escape the nav overflow boundary */
.nav-menu {
    overflow: visible;
}

/* Keep header controls at their intrinsic size until compact mode takes over. */
.logo,
.top-menu,
.logo-switches {
    flex-shrink: 0;
}

/* Keep the header inset consistent across desktop and compact layouts. */
.nav {
    align-items: center;
    max-width: calc(1100px + var(--gap) * 2);
    padding: 0 var(--gap);
}

.logo,
.logo-switches {
    align-items: center;
    align-self: center;
}

button#theme-toggle {
    display: flex;
    align-items: center;
}

.top-menu > li + li {
    margin-inline-start: var(--nav-item-gap, var(--gap));
}

.has-submenu .dropdown-arrow {
    font-size: 9px;
    margin-left: 3px;
    vertical-align: middle;
    opacity: 0.6;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--theme);
    border-radius: var(--radius);
    list-style: none;
    padding: 6px 0;
    min-width: 170px;
    z-index: 100;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.has-submenu:hover > .submenu {
    display: block;
}

.submenu li {
    margin: 0;
    line-height: normal;
}

.submenu li + li {
    border-top: none;
}

.submenu li a {
    display: block;
    padding: 6px 16px;
    font-size: 14px;
    color: var(--primary);
}

.submenu li a:hover {
    font-weight: 700;
}

.logo a img,
.logo a svg {
    padding: 4px;
}

.logo a {
    position: relative;
    min-height: 30px;
    padding-inline-start: 70px;
}

.logo a .logo-light,
.logo a .logo-dark {
    position: absolute;
    left: 0;
    top: 50%;
    width: 62px;
    height: 30px;
    object-fit: contain;
    padding: 0;
    margin-inline-end: 0;
    transform: translateY(-50%);
}

.logo-light {
    display: inline;
}

.logo-dark {
    display: none;
}

.dark .logo-light {
    display: none;
}

.dark .logo-dark {
    display: inline;
}

.footer-logo-row {
    display: block;
    margin-bottom: 12px;
}

.footer-logo {
    display: block;
    max-height: 100px;
    width: 50%;
    margin-left: auto;
    margin-right: auto;
}

.footer-logo-row .logo-light {
    display: block;
}

.footer-logo-row .logo-dark {
    display: none;
}

.dark .footer-logo-row .logo-light {
    display: none;
}

.dark .footer-logo-row .logo-dark {
    display: block;
}

.nav-menu > li > a:hover {
    font-weight: 700;
}

/* Compact the header when its contents no longer fit on one line. */
.compact-nav .menu-toggle {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.compact-nav .nav {
    justify-content: initial;
    flex-wrap: nowrap;
}

.compact-nav #menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--theme);
    flex-direction: column;
    padding: 0 var(--gap);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 99;
    white-space: normal;
    margin: 0;
}

.compact-nav #menu.open {
    display: flex;
}

.compact-nav #menu > li {
    margin-inline-start: 0;
    line-height: 2.5;
}

.compact-nav #menu > li + li {
    margin-inline-start: 0;
    border-top: 1px solid var(--border);
}

/* Compact navigation: arrow visible as toggle, submenu inline */
.compact-nav .has-submenu .dropdown-arrow {
    font-size: 9px;
    margin-left: 6px;
    padding: 4px 8px;
    vertical-align: middle;
    opacity: 0.6;
}

.compact-nav .has-submenu > .submenu {
    display: none;
    position: static;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    background: transparent;
    min-width: unset;
}

.compact-nav .has-submenu.open > .submenu {
    display: block;
}

.compact-nav .submenu li a {
    font-size: 14px;
    padding: 6px 0 6px 16px;
    color: var(--secondary);
}

/* Base mobile tweaks */
@media screen and (max-width: 768px) {
    :root {
        --gap: 12px;
    }

    .main {
        padding: 10px;
    }

    .section-menu {
        flex-wrap: wrap;
        padding: 6px;
        white-space: normal;
    }

    .section-menu > li,
    .section-menu > li + li {
        margin-inline-start: 0;
    }

    .section-menu > li > a {
        padding: 5px 9px;
    }

    /* Improve touch targets and spacing */
    .post-content table {
        font-size: 0.9em;
    }

    .post-content table td, .post-content table th {
        padding: 8px 4px;
    }

    /* Optimize images on mobile */
    .post-content img {
        margin: 0.5rem 0;
    }
}

/* logo theme switch */
body.dark #logo-light {
  vertical-align: middle;
  display: none;
}
body:not(.dark) #logo-dark {
  display: none;
}