@import url('https://fonts.googleapis.com/css2?family=LXGW+WenKai+Mono+TC:wght@300;400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Rubik:ital,wght@0,300..900;1,300..900&display=swap');

/*
MARK: THEMES
*/
:root { /* light */
    --bg: #ffffff;
    --text: #111217;

    --muted: #6b7280;
    --muted-light: #e0e0e0;
    --muted-light2: #f4f4f4;

    --accent: #0b74de;
    --accent-mute: #3490ec;
    --accent-mute2: #c6e2ff;

    --card: #0b75de39;
    
    --link: blue;
    --marker: yellow;
}
 /* dark theme */
.theme-root[data-theme='dark'] {
    --bg: #0b0d10;
    --text: #e6eef8;

    --muted: #9aa4b2;
    --muted-light: #444444;
    --muted-light2: #252525;

    --accent: #3072bc;
    --accent-mute: #3b88d6;
    --accent-mute2: #123e6d;

    --card: #001c4c;

    --link: #5aa2ff;
    --marker: #d4b400;
}


/*
MARK: GENERAL STYLES
*/

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: Rubik, Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    font-size: 12pt;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--link);
}

.width100 {
    width: 100%;
}


/* scrollbars */
::-webkit-scrollbar {
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--muted-light2);
}

::-webkit-scrollbar-thumb {
    background: var(--muted);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}




/*
MARK: SITE PARTS
*/

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px;
}

.header-row,
.footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    background: transparent;
}

.logo {
    font-weight: 700;
    text-decoration: none;
    color: var(--text);
    font-size: 1.5em;
}

.main-nav a {
    margin-left: 16px;
    text-decoration: none;
    color: var(--muted);
}

.header-actions {
    display: flex;
    align-items: center;
}

/* mobile menu */
#menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8em;
    cursor: pointer;
    color: var(--text);
    padding: 5px 10px;
    transition: color 0.25s;
}

#menu-toggle:hover {
    color: var(--muted);
}

#menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 998;
}

.main-nav.active + #menu-overlay {
    display: block;
}

/* mobile adopt menu */
@media (max-width: 768px) {
    #menu-toggle {
        display: inline-block;
    }

    .main-nav {
        display: flex!important;
        flex-direction: column!important;
        position: fixed!important;
        top: 0!important;
        right: -100%!important;
        width: 220px!important;
        height: 100%!important;
        background: var(--bg)!important;
        padding-top: 60px!important;
        transition: right 0.3s ease!important;
        z-index: 999!important;
        box-shadow: -2px 0 5px rgba(0,0,0,0.1)!important;
    }

    .main-nav a {
        margin: 15px 20px!important;
        font-size: 1.1em!important;
    }

    .main-nav.active {
        right: 0!important;
    }
}
.mobile-only {
    display: none;
}

#logo-cat {
    height: 50px;
    vertical-align: middle;
    border-radius: 50%;
}

@media (max-width: 1060px) {
    #logo-cat {
        margin-left: 50px;
    }
}

.main-nav a:hover {
    color: var(--text);
    transition: all .25s;
}
.main-nav a.active {
    font-weight: bold;
}

.name {
    margin: 0;
    font-size: 40px;
}

.subtitle {
    color: var(--muted);
    margin-top: 0;
}

.cta-row {
    margin-top: 16px;
}


/* Footer */
.footer-row {
    justify-content: space-evenly;
}

.site-footer a {
    margin-left: 16px;
    text-decoration: none;
    color: var(--muted);
}
.site-footer a:hover {
    color: var(--text);
}

.socials {
    list-style-type: none;
}

.socials li a {
    margin-left: 0;
}

@media (max-width: 600px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  .footer-right a {
    display: inline-block;
    margin: 5px 8px;
  }
}

.footer-right a {
  position: relative;
  color: #cfcfcf;
  text-decoration: none;
  padding-bottom: 3px;
  transition: color 0.25s;
}

.footer-right a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: #00bfff;
  transition: width 0.25s;
}

.footer-right a:hover {
  color: #fff;
}

.footer-right a:hover::after {
  width: 100%;
}

@media (max-width: 650px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  .footer-right {
    justify-content: center;
  }
}


/* Theme switcher */
.theme {
  --text: #111;
  --bg: #fefefe;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 20px;
  height: 20px;
  background-color: var(--text);
  border-radius: 100%;
  border: 2px solid var(--bg);
  box-shadow: 4px 4px var(--bg);
}

.input {
  cursor: pointer;
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 10;
  opacity: 0;
}

.icon {
  position: absolute;
  top: calc(50% -13px);
  left: calc(50% -13px);
  width: 14px;
  height: 14px;
}

.icon.icon-moon {
  fill: var(--bg);
}

.icon.icon-sun {
  stroke: var(--bg);
  display: none;
}

.input:checked ~ .icon.icon-sun {
  display: block;
}

.input:checked ~ .icon.icon-moon {
  display: none;
}

.theme:active {
  box-shadow: 0px 0px var(--bg);
  transform: translate(3px, 3px);
}




/* Contact form */
#contact-form {
    max-width: 600px;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 20px;
    border-radius: 12px;
    background-color: var(--card);
}

#contact-form input,
#contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--muted-light);
    border-radius: 8px;
    font-size: 1em;
    color: var(--text);
    background-color: var(--bg);
    outline: none;
    transition: border 0.2s, box-shadow 0.2s;
}

#contact-form input::placeholder,
#contact-form textarea::placeholder {
    color: var(--muted);
    font-style: italic;
}

#contact-form input:focus,
#contact-form textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-mute2);
}

#contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

#contact-form button {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    background-color: var(--accent);
    color: var(--bg);
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

#contact-form button:hover {
    background-color: var(--accent-mute);
}

.form-sent {
    color: green;
    font-weight: bold;
    margin-bottom: 10px;
    margin-top: -10px;
}


#error {
    text-align: center;
    font-family: "LXGW WenKai Mono TC", monospace;
}

#error-code {
    font-size: 10em;
    margin: 0;
}

#error-message {
    font-size: 2em;
    margin-top: 0;
    font-weight: bolder;
}

#error-help {
    max-width: 700px;
    margin: 16px auto;
}






/*
MARK: EL. STYLES
*/

/* a.btn a.btn.link a.btn.ghost */
.btn:not(.link) {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 8px;
    text-decoration: none;
    background: var(--accent);
    color: white;
    transition: all .2s;
}

.btn:not(.link):hover {
    background-color: var(--accent-mute);
}


.btn.link {
    color: var(--accent)!important;
}

.btn.ghost {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--card);
}
.btn.ghost:hover {
    background: var(--accent-mute2)!important;
}
.btn.link:hover {
    text-decoration: underline!important;
}



blockquote {
    border-left: 8px solid var(--accent) !important;
    background-color: var(--accent-mute2);
    /* box-shadow: #111217; */
    margin: 0;
    padding: 16px 30px;
    border-radius: 12px;
    transition: all .2s;
}

blockquote p {
    margin: 4px auto;
}




pre {
    position: relative;
    white-space: pre-wrap;
    word-break: break-word;
}

.copy-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--accent);
    color: white;
    border: none;
    padding: 6px 4px 3px 6px;
    cursor: pointer;
    border-radius: 4px;
    transition: all .2s;
}

.copy-btn:hover {
    background-color: var(--accent-mute);
}


code:not(.hljs) {
    font-family: "LXGW WenKai Mono TC", monospace;
    border-radius: 6px;
    padding: 0.05em 0.3em;
    background-color: var(--muted-light);
}



/* Highlight.js */
.hljs {
    border-radius: 8px;
    font-family: "LXGW WenKai Mono TC", monospace;
}

.hljs-ln-n {
    margin-right: 8px;
    white-space: nowrap;
    word-wrap: normal;
    word-break: normal;
}




hr {
    border-bottom-color: var(--accent);
    border-top-color: var(--accent-mute);
}




/* tables */
table:not(.hljs-ln) {
    display: block;
    overflow: auto!important;
    max-width: 100%!important;
    width: fit-content;
    border-collapse: collapse;
    margin: 10px 0;
    border: 1px solid var(--accent-mute2);
    background: var(--bg);
    color: var(--text);
    border-radius: 8px;
    overflow: hidden;
    scrollbar-color: var(--muted) var(--muted-light2);
}
table:not(.hljs-ln):hover {
    scrollbar-color: var(--accent) var(--muted-light2);
}


table:not(.hljs-ln) th,
table:not(.hljs-ln) td {
    padding: 10px 14px;
    border: 1px solid var(--muted-light);
    text-align: left;
    white-space: nowrap;
}

table:not(.hljs-ln) th {
    background: var(--accent-mute);
    color: var(--text);
    font-weight: 600;
}

table:not(.hljs-ln) tr:nth-child(even) {
    background: var(--muted-light2);
}

table:not(.hljs-ln) tr:hover {
    background: var(--accent-mute2);
}

table:not(.hljs-ln) caption {
    caption-side: top;
    padding: 8px 0;
    font-weight: 600;
    color: var(--text);
    text-align: left;
}



.marker {
    background: var(--marker);
    border-radius: 6px;
    padding: 0.05em 0.3em;
}




iframe {
    border-radius: 8px;
}





/*
MARK: BLOCKS
*/

.all-btn {
    margin-top: 10px;
}

/* Project card */
.project-card {
    width: 100%;
    background: var(--card);
    padding: 16px;
    margin-top:10px;
    border-radius: 12px;
}

.learn-more-container {
    text-align: center;
}

.project-card .learn-more.main {
    display: block!important;
}
.project-card .learn-more.links {
    display: none!important;
}

.project-card .logo {
    width: 60px;
    border-radius: 50%;
}
.project-card-top {
    display: flex;
    align-items: center;
}

.project-card .title {
    display: inline;
    margin: 0 0 5px 20px;
    font-size: 30px;
    flex: 1
}
.project-card .title a {
    color: inherit;
    text-decoration: none;
}

.project-card .desc {
    color: var(--text);
    margin: 0 0 12px 0;
}

.project-card .links {
    margin-top: 8px;
}

.project-card .links a {
    margin-right: 8px;
    text-decoration: none;
    color: var(--accent);
}

.project-card .links a.btn {
    color: white;
}

.project-card .links a.btn.ghost {
    color: var(--accent);
    background: var(--bg);
    border-color: var(--accent-mute);
}

/* Mobile */
@media (max-width: 600px) {
    .project-card .learn-more.links {
        display: inline-block!important;
    }
    .project-card .learn-more.main {
        display: none!important;
    }
    .project-card {
        padding: 12px;
        border-radius: 10px;
    }

    .project-card .desc {
        font-size: 15px;
        margin-top: 10px;
    }

    .project-card .links {
        display: flex;
        flex-direction: column;
        gap: 8px;
        margin-top: 12px;
    }

    .project-card .links a {
        margin-right: 0;
    }

    .btn {
        padding: 10px 14px;
        font-size: 15px;
        text-align: center;
    }
}

.links-word {
    margin: auto;
    margin-left: 8px;
    margin-bottom: 8px;
    font-size: x-large;
}


/* Articles */

.article-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.article-list li {
    padding: 10px 0;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.04);
}

.site-footer {
    padding: 18px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: 40px;
}

/* Mobile */
@media (max-width: 720px) {
    .main-nav {
        display: none;
    }
    .mobile-only {
        display: block;
    }
}

.article-card {
    border: 1px solid var(--accent-mute);
    border-radius: 12px;
    padding: 16px;
    margin-top:10px;
}

.article-top, .article-views {
    color: var(--muted);
    font-size: 14px;
}

.article-card h3, .article-full h1 {
    margin-top: 8px;
    margin-bottom: 16px;
    font-size: 28px;
    color: inherit
}

.article-card h3 a, .article-full h1 a {
    color: inherit;
    text-decoration: none;
}


.article-card .article-bottom {
    display: flex;
    justify-content: flex-end;
}

.article-card .article-bottom .read-article {
    display: inline-block; /* чтобы ширина была по содержимому */
    white-space: nowrap;   /* запрет переноса текста */
}

.article-description img {
    border-radius: 8px;
}