/* ===== Theme Variables ===== */
:root {
    --font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
    --bg-primary: #ffffff;
    --bg-header: #222831;
    --bg-content: #ffffff;
    --bg-well: #f5f5f5;
    --bg-code: #efefef;
    --bg-nav-hover: #393e46;
    --bg-backbtn: #222831;
    --bg-toggle: #222831;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #444444;
    --text-header: #ffffff;
    --text-nav: #ffffff;
    --text-link: #337ab7;
    --text-category: #622418;
    --accent: #977111;
    --accent-hover: #75570b;
    --border-color: #C5C0C0;
    --border-heading: #222831;
    --icon-bg: rgba(255, 255, 255, 0.63);
    --icon-color: #393e46;
    --search-result-text: rgb(190, 188, 188);
    --summary-underline: rgba(0, 0, 0, 0.5);
    --pager-active: rgba(89, 148, 129, 0.3);
    --navbar-toggle: #BCCCBF;
    --subtitle-color: #393e46;
}

[data-theme="dark"] {
    --bg-primary: #0d1117;
    --bg-header: #161b22;
    --bg-content: #0d1117;
    --bg-well: #161b22;
    --bg-code: #1c2128;
    --bg-nav-hover: #1c2128;
    --bg-backbtn: #21262d;
    --bg-toggle: #21262d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-muted: #8b949e;
    --text-header: #c9d1d9;
    --text-nav: #c9d1d9;
    --text-link: #58a6ff;
    --text-category: #f0883e;
    --accent: #e3b341;
    --accent-hover: #f0d05e;
    --border-color: #30363d;
    --border-heading: #30363d;
    --icon-bg: rgba(255, 255, 255, 0.1);
    --icon-color: #c9d1d9;
    --search-result-text: #8b949e;
    --summary-underline: rgba(255, 255, 255, 0.2);
    --pager-active: rgba(88, 166, 255, 0.2);
    --navbar-toggle: #58a6ff;
    --subtitle-color: #8b949e;
}

/* ===== Global ===== */
body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

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

.well {
    background-color: var(--bg-well);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* ===== Layout ===== */
.main.outer { padding-top: 50px; }

.header-panel.shadow-z-2 {
    background-color: var(--bg-header);
    padding: 50px 0 15px 0;
    width: 100%;
}

/* ===== Post Content ===== */
.post { text-align: justify; }

.post h2 {
    border-bottom: 1px solid var(--border-heading);
    border-radius: 2px;
}

.post h2, .post h3, .post h4, .post h5, .post h6 {
    text-align: left;
    padding-top: 5px;
}

.post details { font-size: 14px; }

.post summary {
    text-decoration: underline var(--summary-underline);
}

.full { font-size: 16px; }

/* ===== Logo ===== */
.logo-img {
    width: 15rem;
    height: 15rem;
    margin: 0 auto;
    transform: rotateZ(0deg);
    transition: transform 1s;
    transition-timing-function: ease-in-out;
}

.logo-img:hover {
    transform: rotateZ(-15deg) translateX(-2rem);
}

@media (max-width: 767px) {
    .logo-img {
        width: 8rem;
        height: 8rem;
    }
}

/* ===== Sidebar / Row Details ===== */
.row-content { vertical-align: top; }

.row-picture {
    display: inline-block;
    vertical-align: top;
    margin-right: 10px;
}

.row-details {
    display: inline-block;
    vertical-align: middle;
    color: var(--text-header);
}

p.info { color: var(--text-header); }
p.info a { color: var(--text-header); text-decoration: underline; }

.full ul, .full ol { margin-left: 15px; }

.full img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* ===== Social Icons & Theme Toggle ===== */
.social-icons { margin: 20px 0 0; }

.icon {
    background: var(--icon-bg);
    border-radius: 100%;
    text-align: center;
    line-height: 20px;
    font-size: 20px;
    color: var(--icon-color);
    padding: 5px;
    width: 30px;
    height: 30px;
    display: inline-block;
    border: none;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.icon:hover {
    color: rgba(255, 255, 255, 0.63);
    background: var(--accent-hover);
}

#theme-toggle {
    vertical-align: top;
    margin: 0;
    font-family: inherit;
}

/* ===== Navigation Menu ===== */
.menu ul li {
    list-style: none;
    margin: 5px 0;
}

.menu ul li a:hover, .menu ul li a:focus, li.current-menu-item > a {
    background: var(--bg-nav-hover);
}

li.current-menu-item:before {
    content: "";
    display: inline-block;
    height: 55px;
    width: 5px;
    position: absolute;
    left: 9px;
    vertical-align: middle;
    background: var(--accent);
}

.menu ul li a {
    font-size: 15px;
    font-weight: normal;
    cursor: pointer;
    display: block;
    text-decoration: none;
    padding: 0 0 0 10px;
    color: var(--text-nav);
}

/* ===== Blog Title & Header ===== */
.home-subtitle {
    font-size: 26px;
    margin-bottom: 32px;
    margin-top: 5px;
    color: var(--subtitle-color);
    font-weight: 300;
}

h2.blog-title-pro { color: var(--text-header); }

h2.blog-title-pro:after {
    content: "";
    display: block;
    width: 70px;
    height: 4px;
    margin-top: 16px;
    margin-left: 3px;
    background: rgba(255, 255, 255, 0.72);
}

.list-separator li > a i {
    width: 56px;
    height: 56px;
    text-align: center;
    line-height: 56px;
    font-size: 20px;
}

.navbar-toggle i { color: var(--navbar-toggle); }

.menu .list-group-item-heading, .menu .list-group-item-text {
    color: var(--text-nav) !important;
}

/* ===== Footer ===== */
footer {
    border-top: 1px solid var(--border-color);
    width: 100%;
    margin-top: 10px;
    margin-bottom: 3em;
    padding-top: 10px;
    color: var(--text-muted);
    font-size: 11px;
    padding-bottom: 10px;
}

/* ===== Pagination ===== */
.pager li.active a {
    background: var(--pager-active);
}

/* ===== Search ===== */
.searchcontrol {
    margin-top: 35px;
    margin-bottom: 0;
}

.searchcontrol input[type=text] { color: var(--text-header); }

.searchcontrol input[type=text]:focus {
    outline: none;
    border: none;
    box-shadow: none;
}

/* ===== Back to Top Button ===== */
#backbtn {
    font-size: 20px;
    right: 20px;
    bottom: 20px;
    padding-top: 5px;
    padding-bottom: 5px;
    position: fixed;
    border-radius: 50px;
    z-index: 3;
    color: #f0f0f0;
    background: var(--bg-backbtn);
    filter: opacity(50%);
    transition: filter 0.2s;
    transition-timing-function: ease-in-out;
}

#backbtn:hover {
    filter: opacity(100%);
    transform: translateY(-5%);
}

/* ===== Tables ===== */
.table-mini {
    font-size: 100%;
    font-variant: small-caps;
}

/* ===== Blog Listing ===== */
.list-group-item {
    background-color: var(--bg-well);
    border-color: var(--border-color);
}

.list-group-item-summary {
    color: var(--text-secondary);
    font-size: 1.3rem;
    margin: 4px 0;
}

.list-group-item-text { font-size: 1.2rem; }

.list-group-item-text a {
    color: var(--text-category);
    font-size: 1.4rem;
}

.list-group-item-heading a {
    color: var(--text-primary);
}

/* ===== Collapsible (Table of Contents) ===== */
.wrap-collabsible { margin-bottom: 1.2rem; }

input[type='checkbox'] { display: none; }

.lbl-toggle {
    display: block;
    font-weight: bold;
    font-family: var(--font-family);
    font-size: 1.2rem;
    text-transform: uppercase;
    text-align: center;
    padding: 1rem;
    color: #ffffff;
    background: var(--bg-toggle);
    cursor: pointer;
    border-radius: 7px;
    transition: all 0.25s ease-out;
}

.lbl-toggle:hover { color: #BBB; }

.lbl-toggle::before {
    content: ' ';
    display: inline-block;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 5px solid currentColor;
    vertical-align: middle;
    margin-right: .7rem;
    transform: translateY(-2px);
    transition: transform .2s ease-out;
}

.toggle:checked + .lbl-toggle::before {
    transform: rotate(90deg) translateX(-3px);
}

.collapsible-content {
    max-height: 0px;
    overflow: hidden;
    transition: max-height .25s ease-in-out;
}

.toggle:checked + .lbl-toggle + .collapsible-content {
    max-height: 400vh;
}

.toggle:checked + .lbl-toggle {
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.collapsible-content .content-inner {
    border-bottom-left-radius: 7px;
    border-bottom-right-radius: 7px;
    padding: .5rem 1rem;
}

/* ===== Search Results ===== */
#lunrsearchresults { padding-top: 0.2rem; color: var(--search-result-text); }
.lunrsearchresult { padding-bottom: 1rem; }
.lunrsearchresult .title { color: var(--accent); }
.lunrsearchresult .term { color: rgba(255, 255, 255, 0.1); }
.lunrsearchresult .url { color: var(--search-result-text); }
.lunrsearchresult a { display: block; color: var(--search-result-text); }
.lunrsearchresult a:hover, .lunrsearchresult a:focus { text-decoration: none; }
.lunrsearchresult a:hover .title { text-decoration: underline; }

/* ===== Dark theme overrides for Bootstrap components ===== */
[data-theme="dark"] .well,
[data-theme="dark"] .well-default,
[data-theme="dark"] .well-primary {
    background-color: var(--bg-well) !important;
    border-color: var(--border-color) !important;
    box-shadow: none !important;
}

[data-theme="dark"] .list-group-item {
    background-color: var(--bg-well);
    border-color: var(--border-color);
}

[data-theme="dark"] .list-group-separator {
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-default {
    background-color: var(--bg-well);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-default:hover {
    background-color: var(--bg-nav-hover);
    color: var(--text-header);
}

[data-theme="dark"] pre, [data-theme="dark"] code {
    background-color: var(--bg-code);
    color: var(--text-category);
    border-color: var(--border-color);
}

[data-theme="dark"] strong, [data-theme="dark"] b {
    color: var(--text-category);
}

[data-theme="dark"] del, [data-theme="dark"] s {
    color: var(--text-category);
    opacity: 0.7;
}

[data-theme="dark"] hr {
    border-color: var(--border-color);
}

[data-theme="dark"] .panel-body {
    background-color: var(--bg-well);
    border-color: var(--border-color);
}

[data-theme="dark"] .panel,
[data-theme="dark"] .panel-default {
    background-color: var(--bg-well);
    border-color: var(--border-color);
}

[data-theme="dark"] .panel-default > .panel-heading {
    background-color: var(--bg-code);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-control {
    background-color: var(--bg-code);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-control:focus {
    border-color: var(--text-link);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-well);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-menu > li > a {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-menu > li > a:hover,
[data-theme="dark"] .dropdown-menu > li > a:focus {
    background-color: var(--bg-code);
    color: var(--text-primary);
}

[data-theme="dark"] .table,
[data-theme="dark"] .table > thead > tr > th,
[data-theme="dark"] .table > tbody > tr > td {
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) {
    background-color: var(--bg-code);
}

[data-theme="dark"] .table-hover > tbody > tr:hover {
    background-color: var(--bg-code);
}

[data-theme="dark"] .modal-content {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .navbar-collapse {
    border-color: var(--border-color);
}

[data-theme="dark"] .pager li > a,
[data-theme="dark"] .pager li > span {
    background-color: var(--bg-well);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .pager li > a:hover {
    background-color: var(--bg-code);
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--bg-code);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] blockquote {
    border-left-color: var(--border-color);
    color: var(--text-secondary);
}

/* ===== Dark theme syntax highlighting ===== */
[data-theme="dark"] .highlight,
[data-theme="dark"] .highlight .hll { background: var(--bg-code); }
[data-theme="dark"] .highlight .c,
[data-theme="dark"] .highlight .cm,
[data-theme="dark"] .highlight .c1,
[data-theme="dark"] .highlight .cs { color: #8b949e; }
[data-theme="dark"] .highlight .cp { color: #f0883e; }
[data-theme="dark"] .highlight .k,
[data-theme="dark"] .highlight .kc,
[data-theme="dark"] .highlight .kd,
[data-theme="dark"] .highlight .kn,
[data-theme="dark"] .highlight .kr { color: #ff7b72; }
[data-theme="dark"] .highlight .kp { color: #ff7b72; }
[data-theme="dark"] .highlight .kt { color: #f0883e; }
[data-theme="dark"] .highlight .o { color: #c9d1d9; }
[data-theme="dark"] .highlight .ow { color: #ff7b72; }
[data-theme="dark"] .highlight .s,
[data-theme="dark"] .highlight .sb,
[data-theme="dark"] .highlight .sc,
[data-theme="dark"] .highlight .s2,
[data-theme="dark"] .highlight .s1,
[data-theme="dark"] .highlight .sh { color: #a5d6ff; }
[data-theme="dark"] .highlight .sd { color: #a5d6ff; }
[data-theme="dark"] .highlight .se { color: #f0883e; }
[data-theme="dark"] .highlight .si { color: #a5d6ff; }
[data-theme="dark"] .highlight .sx { color: #a5d6ff; }
[data-theme="dark"] .highlight .sr { color: #a5d6ff; }
[data-theme="dark"] .highlight .ss { color: #79c0ff; }
[data-theme="dark"] .highlight .m,
[data-theme="dark"] .highlight .mf,
[data-theme="dark"] .highlight .mh,
[data-theme="dark"] .highlight .mi,
[data-theme="dark"] .highlight .mo,
[data-theme="dark"] .highlight .il { color: #79c0ff; }
[data-theme="dark"] .highlight .na { color: #79c0ff; }
[data-theme="dark"] .highlight .nb,
[data-theme="dark"] .highlight .bp { color: #ffa657; }
[data-theme="dark"] .highlight .nc { color: #ffa657; }
[data-theme="dark"] .highlight .no { color: #79c0ff; }
[data-theme="dark"] .highlight .nd { color: #d2a8ff; }
[data-theme="dark"] .highlight .ne { color: #ffa657; }
[data-theme="dark"] .highlight .nf { color: #d2a8ff; }
[data-theme="dark"] .highlight .nl { color: #79c0ff; }
[data-theme="dark"] .highlight .nn { color: #ffa657; }
[data-theme="dark"] .highlight .nt { color: #7ee787; }
[data-theme="dark"] .highlight .nv,
[data-theme="dark"] .highlight .vc,
[data-theme="dark"] .highlight .vg,
[data-theme="dark"] .highlight .vi { color: #79c0ff; }
[data-theme="dark"] .highlight .ni { color: #c9d1d9; }
[data-theme="dark"] .highlight .w { color: #6e7681; }
[data-theme="dark"] .highlight .gd { color: #ffa198; background: rgba(248,81,73,0.15); }
[data-theme="dark"] .highlight .gi { color: #7ee787; background: rgba(63,185,80,0.15); }
[data-theme="dark"] .highlight .go { color: #8b949e; }
[data-theme="dark"] .highlight .gp { color: #8b949e; }
[data-theme="dark"] .highlight .gh { color: #c9d1d9; }
[data-theme="dark"] .highlight .gu { color: #c9d1d9; }
[data-theme="dark"] .highlight .ge { font-style: italic; color: #c9d1d9; }
[data-theme="dark"] .highlight .gs { color: #c9d1d9; }
[data-theme="dark"] .highlight .gr { color: #ffa198; }
[data-theme="dark"] .highlight .gt { color: #ffa198; }