:root {
    --ui-spacing: 0.25rem;
    --ui-primary: var(--color-deep-dark);
    --ui-container: 64rem;
    --ui-container-narrow: 48rem;
    --ui-header-logo-inverted: 1;
    --ui-header-height: calc(var(--ui-spacing)*14);
    --ui-header-height-collapsed: calc(var(--ui-spacing)*12);

    --color-surface-background: #f9f9f9;
    --color-on-surface-background: #111111;
    --color-primary: #2e2e2e;
    --color-primary-strong: #3e3e3e;
    --color-on-primary: white;
    --color-on-primary-weak: #ebebeb;
    --color-secondary: #efefef;
    --color-secondary-strong: #dfdfdf;
    --color-on-secondary: #2e2e2e;
    --color-container: #f8f8f8;
    --color-on-container: #0e0e0e;
    --color-outline-very-intense: #a0a0a0;
    --color-outline-intense: #c0c0c0;
    --color-outline: #d9d9d9;
    --color-accent: #0066ff;
    --color-accent-strong: #0055d5;
    --color-inverse: #ff6600;
    --color-inverse-strong: #d55500;

    --font-sans: "Fira Sans", "Noto Sans Thai Looped", sans-serif;
    --font-sans--font-feature-settings: "liga", "calt";
    --font-mono: "Fira Mono", "SF Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --font-serif: 'Linux Libertine','Georgia', 'Source Serif 4', Georgia, Garamond, "Times New Roman", Times, 'Noto Serif Thai', serif;

    --ease-fluid: 0.2, 0, 0, 1;
    --ease-fluid-in: .6, .2, .7, .4;
    --ease-out-back: 0.34, 1.56, 0.64, 1;
}
@keyframes ring {
    0% {
        outline: 0px solid var(--ui-ring-color);
        outline-offset: var(--ui-ring-offset);
    }
    25% {
        outline: 12px solid var(--ui-ring-color);
        outline-offset: var(--ui-ring-offset);
    }
    100% {
        outline: var(--ui-ring-size) solid var(--ui-ring-color);
        outline-offset: var(--ui-ring-offset);
    }
}
* {
    box-sizing: border-box;
}
*:focus-visible {
    --ui-ring-size: 2px;
    --ui-ring-color: var(--color-accent);
    --ui-ring-offset: 2px;
    animation: ring 0.5s cubic-bezier(var(--ease-fluid));
    outline: var(--ui-ring-size) solid var(--ui-ring-color);
    outline-offset: var(--ui-ring-offset);
}
button, .btn {
    user-select: none!important;
}
body,main {
    font-family: var(--font-sans);
    padding: 0;
    margin: 0;
    color: var(--color-on-surface-background);
    background: var(--color-surface-background);
    line-height: 1.35;
}
img {
    border-radius: calc(var(--ui-spacing)*1);
    display: block;
    max-width: 100%;
}
a {
    color: unset;
    text-decoration: none;

}
code,tt,kbd,pre {
    font-family: var(--font-mono);
    font-size: inherit;
}
h1,h2,h3,h4,h5,h6 { font-family: var(--font-serif); font-weight: 400; }
h1 { font-size: 1.80em; }
h2 { font-size: 1.50em; }
h3 { font-size: 1.25em; }
h4 { font-size: 1.10em; }
h5 { font-size: 1.00em; }
h6 { font-size: 0.90em; }
.material-symbols-outlined {
    font-variation-settings:
        'FILL' 0,
        'wght' 100,
        'GRAD' 0,
        'opsz' 24
}
.text-accent {
    color: var(--color-accent);
}
.web-header-container {
    position: sticky;
    top: 0;
    width: 100%;
    overflow: visible;
    z-index: 100;
}
.web-header, .hamburger-menu-header {
    box-sizing: border-box;
    display: flex;
    flex-direction: row;
    position: sticky;
    top: 0;
    height: var(--ui-header-height-collapsed);
    z-index: 998;
}
@media screen and (min-width: 1024px) {
    .web-header, .hamburger-menu-header {
        height: var(--ui-header-height);
    }
}
.web-header.web-header-bg,
.hamburger-menu-header.hamburger-menu-header-bg {
    background: #ffffff;
    color: black;
    border-bottom: 1px solid var(--color-outline);
}
.web-header-logo-banner {
    height: 100%;
    background: var(--color-accent);
    align-content: center;
}
.web-header-logo-banner > .web-header-logo {
    border-radius: 0;
}
.web-header-title {
    display: none;
    visibility: hidden;
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    margin-inline: calc(var(--ui-spacing)*2);
}
@media screen and (min-width: 480px) {
    .web-header-title {
        display: block;
        visibility: visible;
    }
}
@media screen and (max-width: 479px) {
    .web-header-logo-banner > .web-header-logo {
        width: var(--ui-header-height-collapsed);
        height: var(--ui-header-height-collapsed);
    }
}
.web-nav, .web-footer-content, .article {
    width: 100%;
}
.article.article-special h1,
.article.article-special h2,
.article.article-special h3,
.article.article-special h4,
.article.article-special h5,
.article.article-special h6 {
    border-bottom: 1px solid var(--color-outline-very-intense);
}
.web-footer-title {
    font-size: 32px;
    margin-block: .4em;
}
.web-footer-notice,
.web-footer-links-container > .web-footer-link-title {
    font-size: 12px;
    font-family: var(--font-mono);
}
.web-footer-links-container > .web-footer-link-title {
    text-transform: uppercase;
}
.web-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.web-footer-link {
    width: 100%;
}
.web-footer-link a {
    width: 100%;
    display: block;
    margin-block: .5em;
}
.web-footer-links-container-container {
    display: flex;

}
.web-heading {
    margin: 0 auto;
    padding: 0 calc(var(--ui-spacing)*4);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    max-width: var(--ui-container);
    .web-heading-left-section {
        width: fit-content;
        display: flex;
        flex-direction: row;
        justify-content: start;
        height: 100%;
        align-items: center;
    }
    .web-heading-right-section {
        display: none;
        width: fit-content;
        flex-direction: row;
        justify-content: end;
        height: 100%;
        align-items: center;
    }
}
@media screen and (min-width: 1024px) {
    .web-heading {
        .web-heading-right-section {
            display: flex;
        }
    }
}
p {
    margin-block: 1em;
}
.font-hero {
    font-size: 40px;
    margin-block: 0.2em;
    line-height: 1.3;
    font-weight: 700;
}
.font-hero-desc {
    font-size: 20px;
    font-weight: 500;
}
.web-title {
    margin-block: 0.5em;
    transition-property: color;
    transition-duration: 100ms;
    transition-timing-function: cubic-bezier(var(--ease-fluid));
    a {
        cursor: pointer;
    }
    .link-inline-icon {
        transition-property: opacity margin;
        transition-duration: 100ms;
        transition-timing-function: cubic-bezier(var(--ease-fluid));
        user-select: none;
        margin-left: 0.5rem;
        opacity: 0.5;
    }
    &:hover .link-inline-icon {
        opacity: 1;
        margin-left: 1rem;
    }
    &:active a {
        color: var(--color-primary);
    }
    &:focus-visible a {
        text-decoration: underline;
    }
    &.link {
        color: var(--ui-text);
    }
}
.web-nav-title {
    --web-nav-title-shadow: 0px 0px 16px var(--ui-bg);
    font-size: 18px;
}
.web-hero-post {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.web-section {
    max-width: var(--ui-container);
    margin-block: calc(var(--ui-spacing)*16);
    margin-inline: auto;
    padding-inline: calc(var(--ui-spacing)*4);
}
.web-section.web-section-split {
    display: flex;
    flex-direction: column;
    gap: calc(var(--ui-spacing)*4);
}
.web-section.web-section-split .about-me-photo-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: calc(var(--ui-spacing)*1);
}
.web-section.web-section-big-text {
    font-size: 20px;
    line-height: 1.5;
}
.article.article-footer a:hover {
    color: var(--color-primary);
    background: var(--color-on-primary);
}
.article.article-footer .web-footer-link > a:hover  {
    color: white;
    text-decoration: underline;
    text-decoration-style: dotted;
    background: none;
}
.article.article-footer .web-footer-link > a:active  {
    text-decoration-style: solid;
}
.article.article-footer {
    color: var(--color-on-primary-weak);
    background: var(--color-primary);
    padding-block: calc(var(--ui-spacing)*12);
}
.article.article-footer > .web-section {
    display: flex;
    margin-block: 0;
}
@media screen and (min-width: 768px) {
    .web-section.web-section-split {
        flex-direction: row;
        gap: calc(var(--ui-spacing)*8);
    }
    .web-section.web-section-split > .web-section-pane:first-child:not(:only-child) {
        width: 35%;
    }
    .web-section.web-section-split > .web-section-pane:last-child:not(:only-child) {
        width: 65%;
    }
}
.web-section.web-section-narrow {
    max-width: var(--ui-container-narrow);
}
.about-me-photo-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: calc(var(--ui-spacing)*1);
}
.about-me-photo-grid > img {
    height: 100%;
    object-fit: cover;
    aspect-ratio: 16/9;
}
@media screen and (min-width: 768px) {
    .about-me-photo-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}
.card-container {
    margin-block: 1em;
    background: var(--color-container);
    color: var(--color-on-container);
    display: flex;
    flex-direction: column;
    margin-left: 0;
    list-style: none;
    border: 1px solid var(--color-outline-intense);
    border-radius: calc(var(--ui-spacing)*1);
    overflow: hidden;
    box-shadow: 0 1px 1px rgb(0,0,0,.1);
}
.card-container > li { margin-left: 0; }
.card {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--ui-bg-muted);
    margin-left: 0;
}
.card.disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
    z-index: 1;
}
.card > h3 {
    font-size: 24px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    z-index: 1;
}
.card > p {
    z-index: 1;
    margin: 0;
    width: 100%;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.card > img {
    aspect-ratio: 16/9;
    object-fit: cover;
    width: 100%;
    border-radius: 0;
}
.card > .iconify,
.card > .material-symbols-outlined {
    background: var(--color-primary);
    color: var(--color-on-primary);
    width: calc(var(--ui-spacing)*16);
    height: calc(var(--ui-spacing)*16);
}
.card > .material-symbols-outlined {
    align-content: center;
    text-align: center;
    font-size: 48px;
    font-variation-settings:
        'opsz' 48
}
.card > .card-content {
    display: block;
    width: 100%;
    padding: calc(var(--ui-spacing)*3);
}
.card > .card-content h3 {
    margin: 0;
}
.card:hover {
    background: var(--color-secondary);
}
.card-container > .card:not(:only-child):not(:last-child) {
    border-bottom: 1px solid var(--color-outline);
}
.card.card-always-long {
    flex-direction: row;
}
@media screen and (min-width: 640px) {
    .card, .card.card-always-long {
        flex-direction: row;
    }
    .card > img {
        margin-bottom: 0;
        max-width: calc(var(--ui-spacing)*64);
    }
    .card > .card-content {
        padding-inline: calc(var(--ui-spacing)*4);
    }
}
.hamburger-toggle {
    all: unset;
    display: flex;
    visibility: visible;
    width: calc(var(--ui-spacing)*9);
    height: 100%;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
.hamburger-toggle:hover {
    background: var(--color-secondary);
}
.hamburger-toggle.placeholder {
    background: none;
}
@media screen and (min-width: 1024px) {
    .hamburger-toggle.no-autohide {
        display: flex!important;
        visibility: visible!important;
    }
    .hamburger-toggle {
        display: none;
        visibility: hidden;
    }
}
.hamburger-menu {
    background: white;
    transform-origin: top right;
    display: flex;
    flex-direction: column;
    position: fixed;
    /* top: calc(var(--ui-spacing)*14); */
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition-property: all;
    transition-duration: 300ms;
    transition-timing-function: cubic-bezier(var(--ease-fluid));
    width: 100%;
    max-width: 20rem;
}
.hamburger-menu > .nav-wrapper {
    list-style-type: none;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0 calc(var(--ui-spacing)*4);
    width: 100%;
    align-items: end;
    overflow-y: scroll;
}
.hamburger-menu > .nav-wrapper > .nav-link,
.hamburger-menu > .nav-wrapper > .nav-button {
    display: flex;
    width: 100%;
    margin-left: 0;
}
.hamburger-menu > .nav-wrapper > .nav-link > a,
.hamburger-menu > .nav-wrapper > .nav-link > .hamburger-btn-square {
    display: flex;
    align-items: center;
    width: 100%;
    padding-inline: calc(var(--ui-spacing)*4);
    height: calc(var(--ui-spacing)*12);
}
.hamburger-menu > .nav-wrapper > .nav-link > a.router-link-exact-active {
    color: var(--color-accent);
}
.hamburger-menu > .nav-wrapper > .nav-link > .hamburger-btn-square {
    aspect-ratio: 1/1;
    justify-content: center;
    width: unset;
}
.hamburger-menu > .nav-wrapper > .nav-link:not(:only-child):not(:last-child) {
    border-bottom: 1px solid var(--color-outline);
}
.hamburger-menu > .nav-wrapper > .nav-button {
    display: flex;
    width: 100%;
    max-width: 18rem;
    margin-left: calc(var(--ui-spacing) * 0);
    justify-content: flex-end;
}
.hamburger-menu.hamburger-menu-hidden {
    transform: translateX(-100%);
    visibility: hidden;
}
.hamburger-backdrop-overlay {
    background: #000000;
    opacity: 0.5;
    z-index: 999;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}
.nav-links {
    display: flex;
    height: 100%;
}
@media screen and (min-width: 768px) {
    .nav-links {
        display: hidden;
    }
}
ul.nav-wrapper {
    margin: 0;
}
.nav-links > .nav-wrapper {
    list-style-type: none;
    display: flex;
    flex-direction: row;
    height: 100%;
}
.nav-links > .nav-wrapper > .nav-link {
    align-content: center;
    height: 100%;
    margin: 0;
    font-size: 14px;
    font-weight: 400;
}
.nav-links > .nav-wrapper > .nav-link > a {
    display: flex;
    align-items: center;
    padding-inline: calc(var(--ui-spacing)*3);
    height: 100%;
    cursor: pointer;
}
.nav-links > .nav-wrapper > .nav-link > a:hover,
.nav-links > .nav-wrapper > .nav-link > a.router-link-exact-active {
    border-top: 2px solid var(--color-accent);
    padding-bottom: 2px;
    color: var(--color-accent);
}
.nav-links > .nav-wrapper > .nav-link > a:active {
    opacity: 0.9;
}
code, pre, tt, kbd, samp {
    font-size: 1em;
}
.link,
.prose a {
    text-decoration: underline;
    color: var(--ui-text);
}

.link:hover,
.prose a:hover {
    text-decoration: none;
    background: var(--color-on-surface-background);
    color: var(--color-surface-background);
}

.link:active,
.prose a:active {
    opacity: 0.8;
}

.link.link-no-underline {
    text-decoration: none;
}

.prose h2 > a {
    text-decoration: none;
}

button.btn,
a.btn {
    cursor: pointer;
}

.btn {
    all: unset;
    display: flex;
    align-items: center;
    width: fit-content;
    height: calc(var(--ui-spacing)*10);
    background: var(--color-primary);
    color: var(--color-on-primary);
    padding-inline: calc(var(--ui-spacing)*4);
    border-radius: calc(var(--ui-spacing)*5);
}
.btn.btn-sm {
    height: calc(var(--ui-spacing)*9);
}
.prose-blog-pretext {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
}
.post-container {
    display: flex;
    flex-direction: column-reverse;
}
@media screen and (min-width: 1024px) {
    .post-container {
        display: flex;
        flex-direction: row;
    }
}
.prose {
    font-weight: 400;
    width: 100%;
    flex: 3;
}
.prose p, li { line-height: 1.5; }
.prose hr { margin-block: 1em; border: 1px solid var(--color-outline-intense); }
.prose li { margin-block: 1em; }
.prose h1,h2,h3,h4,h5,h6 {
    font-family: var(--font-serif);
    scroll-margin-top: 80px;
}
.prose img {
    margin-block: calc(var(--ui-spacing)*3);
}
.prose-toc {
    flex: 1;
    width: 100%;
    max-width: 320px;
}
@media screen and (min-width: 1024px) {
    .prose-toc {
        margin-left: calc(var(--ui-spacing)*5)
    }
}
.post-cover {
    gap: 1.5rem;
    display: flex;
    flex-direction: column;
}
.post-cover > .img-cover {
    width: 100%;
    aspect-ratio: 4/3;
    max-width: 100%;
    object-fit: cover;
}
@media screen and (min-width: 640px) {
    .post-cover {
        flex-direction: row-reverse;
        justify-content: flex-end;
    }
    .post-cover > .img-cover {
        max-width: 55%;
    }
}
.post-more-info {
    margin: 0;
    margin-top: calc(var(--ui-spacing)*2);
    font-size: 12px;
    font-family: var(--font-mono);
}
.toc {
    position: sticky;
    top: calc(var(--ui-header-height) + calc(var(--ui-spacing)*4));
}
.toc > .toc-text {
    margin-block: 0.5em;
    font-weight: 700;
}
.toc > ul {
    padding: 0;
    margin: 0;
    list-style: none;
}
.toc .toc-link-indent-3 {
    margin-left: calc(var(--ui-spacing)*3);
}
.toc .toc-link-indent-4 {
    margin-left: calc(var(--ui-spacing)*6);
}