:root {
    --primary-color: #087c7c;
    --secondary-color: #f0f3f5;
    --accent-color: #e0e0e0;
    --text-primary: #161f2b;
    --text-secondary: #3d454f;
    --background-color: #ffffff;
    --border-color: #eaeaea;
    --border-radius: 12px;
    --shadow-soft:
        0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --heading-font: "Open Sans", sans-serif;
    --danger-color: #dc3545;
    --danger-bg: #fff5f5;
    --danger-border: #f1aeb5;
}

/* Font Faces - Inter (Google Fonts Hosted) */
@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2")
        format("woff2");
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYAZ9hiA.woff2")
        format("woff2");
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fAZ9hiA.woff2")
        format("woff2");
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYAZ9hiA.woff2")
        format("woff2");
}

/* Font Faces - Open Sans (Google Fonts Hosted) */
@font-face {
    font-family: "Open Sans";
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("https://fonts.gstatic.com/s/opensans/v40/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVI.woff2")
        format("woff2");
}

/* Inline link chip with icon for in-text navigation links */
.link-goto {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 14px;
    padding: 0.05rem 0.5rem;
    border: 0.5px dotted var(--bs-secondary);
    border-radius: 0.5rem;
    color: var(--bs-secondary);
    text-decoration: none;
    font-weight: 400;
    transition:
        background-color 0.15s ease,
        color 0.15s ease,
        border-color 0.15s ease,
        box-shadow 0.15s ease;
}

.link-goto::before {
    content: "🔗";
    font-size: 0.9em;
    line-height: 1;
}

.link-goto:hover {
    background-color: var(--bs-primary-bg-subtle);
    text-decoration: none;
}

.link-goto:focus-visible {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

.link-goto:active {
    border-color: var(--bs-primary);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    font-size: 15px;
}

h1,
h2,
h3,
h4,
h5,
h6,
.header-brand,
.sidebar-heading,
.content-title,
.intro-card .card-title {
    font-family: inherit;
}

/* --- Top Header Styles --- */
.top-header {
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1030;
    padding: 0.75rem 1rem;
}

.header-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.header-brand .version {
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    margin-left: 0.5rem;
}

.top-nav .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
}

.top-nav .nav-link:hover {
    color: var(--primary-color);
}

.theme-toggle {
    cursor: pointer;
    color: var(--text-secondary);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 400;
    border-radius: 4px;
    font-size: 14px;
}

.btn-primary:hover {
    background-color: #4a4dcc;
    border-color: #4a4dcc;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 400;
    border-radius: 4px;
    font-size: 14px;
}
.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* --- Layout --- */
.main-container {
    display: flex;
    height: calc(100vh - 67px);
}

/* --- Left Sidebar Styles --- */
.sidebar {
    width: 280px;
    flex-shrink: 0;
    background-color: var(--background-color);
    border-right: 1px solid var(--border-color);
    padding: 13px 12px 10px 0px;
    overflow-y: auto;
}

.search-container {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.form-control-search {
    border-radius: 6px;
    padding: 0.6rem 1rem 0.6rem 2.75rem;
    border: 1px solid var(--border-color);
    background-color: var(--secondary-color);
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
    height: 40px;
}

.form-control-search::placeholder {
    color: var(--text-secondary);
    font-size: 14px;
}

.form-control-search:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(91, 94, 247, 0.2);
    background-color: white;
}

/* Search dropdown results */
#search-results {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--shadow-soft);
    max-height: 320px;
    overflow-y: auto;
    display: none;
    z-index: 1050;
    padding: 6px 0;
}

#search-results .search-result-item {
    padding: 6px 12px;
}

#search-results .search-result-item.active,
#search-results .search-result-item:hover {
    background: var(--secondary-color);
}

#search-results .search-result-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: inherit;
    text-decoration: none;
}

#search-results .search-empty {
    padding: 10px 12px;
    color: var(--text-secondary);
}

.sidebar-heading {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    padding: 0 0;
    padding-top: 20px;
}
.sidebar .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 7px 8px;
    border-radius: 6px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar .nav-link:hover {
    background-color: var(--secondary-color);
}

.sidebar .nav-link.active {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    font-weight: 600;
}

.sidebar .nav-link i {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background-color: var(--secondary-color);
    color: var(--text-secondary);
    transition:
        background-color 0.2s ease,
        color 0.2s ease;
}

.sidebar .nav-link:hover i {
    color: var(--primary-color);
}

.sidebar .nav-link.active i {
    background-color: var(--primary-color);
    color: var(--background-color);
}

/* --- Main Content Styles --- */
main {
    flex-grow: 1;
    padding: 2.5rem 3rem;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-padding-top: 75px;
    /* Offset for sticky header */
}

.breadcrumb-item {
    font-weight: 500;
}

.breadcrumb-item a {
    text-decoration: none;
    color: var(--text-secondary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
}

.feature-section {
    margin-bottom: 1rem;
}

.content-title {
    font-size: 24px;
    font-weight: 700;
    margin-top: 1rem;
}

.content-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.content-block h3 {
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.content-block {
    margin-bottom: 2rem;
}

.table {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table thead {
    background-color: var(--secondary-color);
}
.accordion-button:focus {
    box-shadow: none;
}
.table th {
    font-weight: 600;
}

.table code {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- Error Block Accordion (make it primarily red) --- */
.error-block h3 {
    color: var(--danger-color);
}

.error-block .accordion .accordion-item {
    border: 1px solid var(--danger-border);
    border-left: 4px solid var(--danger-color);
    border-radius: 6px;
    overflow: hidden;
}

.error-block .accordion .accordion-item + .accordion-item {
    margin-top: 0.5rem;
}

.error-block .accordion-button {
    background-color: var(--danger-bg);
    color: var(--danger-color);
    box-shadow: none;
}

.error-block .accordion-button:not(.collapsed) {
    background-color: var(--danger-bg);
    color: var(--danger-color);
}

.error-block .accordion-button:focus {
    border-color: var(--danger-border);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.15);
}

.error-block .accordion-body {
    background-color: #fff;
    border-top: 1px dashed var(--danger-border);
}

/* --- Screenshot Window: full-width URL bar and window buttons --- */
.window-header {
    display: flex;
    align-items: center;
    justify-content: flex-start !important;
    /* override any space-between */
    gap: 10px;
}

.window-buttons {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex: 0 0 auto;
}

.window-buttons span {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-buttons .red {
    background-color: #ff5f56;
}

.window-buttons .yellow {
    background-color: #ffbd2e;
}

.window-buttons .green {
    background-color: #27c93f;
}

.window-breadcrumb {
    flex: 1 1 auto;
    min-width: 0;
    /* allow input to shrink nicely on small screens */
}

.window-breadcrumb input {
    width: 100%;
    display: block;
}

/* --- Right Sidebar ("On This Page") --- */
.right-sidebar {
    width: 280px;
    flex-shrink: 0;
    border-left: 1px solid var(--border-color);
    padding: 1.5rem;
    overflow-y: auto;
}

.right-sidebar h5 {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

#on-this-page-nav .nav-link {
    color: var(--text-secondary);
    padding: 0.35rem 0.75rem;
    font-size: 0.9rem;
    border-left: 2px solid transparent;
}

#on-this-page-nav .nav-link:hover {
    color: var(--primary-color);
}

#on-this-page-nav .nav-link.active {
    color: var(--primary-color);
    font-weight: 500;
    border-left-color: var(--primary-color);
    background-color: var(--secondary-color);
}

#no-results {
    display: none;
    text-align: center;
    padding: 3rem;
}

/* ---- Code Block Header ---- */
.code-block-wrapper {
    position: relative;
    margin-bottom: 1rem;
    border-radius: 4px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--background-color);
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family:
        SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
        "Courier New", monospace;
    font-size: 12px;
    text-transform: uppercase;
}

.copy-btn {
    cursor: pointer;
    font-size: 12px;
    transition: color 0.2s ease;
}

.copy-btn:hover {
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

/* ---- Prism JS Custom Theme ---- */
pre[class*="language-"] {
    padding: 1.5rem;
    margin: 0;
    overflow: auto;
    background-color: var(--secondary-color);
    position: relative;
}

code[class*="language-"],
pre[class*="language-"] {
    color: var(--text-primary);
    background: none;
    font-family:
        SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
        "Courier New", monospace;
    font-size: 14px;
    text-align: left;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
    word-wrap: normal;
    line-height: 1.6;
    -moz-tab-size: 4;
    -o-tab-size: 4;
    tab-size: 4;
    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
}

/* Syntax Highlighting */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: var(--text-secondary);
}

.token.punctuation {
    color: #999;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
    color: #c53030;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
    color: #2f855a;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
    color: #5b5ef7;
}

.token.atrule,
.token.attr-value,
.token.keyword {
    color: #805ad5;
}

.token.function,
.token.class-name {
    color: #3182ce;
}

.token.regex,
.token.important,
.token.variable {
    color: #dd6b20;
}

/* Custom styles for the new intro card */
.intro-card {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 2rem;
    position: relative;
}

.intro-card .card-content {
    flex-grow: 1;
}

.intro-card .card-title {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.intro-card .card-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.intro-card .stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.intro-card .stat-item {
    position: relative;
    text-align: left;
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition:
        all 0.35s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid transparent;
    min-height: 120px;
    display: flex;
    align-items: center;
    background-size: 150px auto;
    background-position: right -10px center;
    background-repeat: no-repeat;
    text-decoration: none;
    color: inherit;
}

.intro-card .stat-item::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 160px;
    height: 100%;
    background-image: inherit;
    background-size: 150px auto;
    background-position: right -10px center;
    background-repeat: no-repeat;
    opacity: 0.25;
    filter: brightness(1.1) contrast(1.05);
    z-index: 0;
    transition: all 0.35s ease-out;
}

.intro-card .stat-item::before {
    content: "";
    position: absolute;
    top: 0;
    right: -100px;
    width: 280px;
    height: 100%;
    background: linear-gradient(
        105deg,
        transparent 0%,
        rgba(240, 243, 245, 0.85) 30%,
        var(--secondary-color) 65%
    );
    transform: skewX(-10deg);
    z-index: 1;
    transition: all 0.35s ease-out;
}

.intro-card .stat-item:hover {
    transform: translateY(-6px) perspective(1000px) rotateX(2deg);
    background-color: #fff;
    text-decoration: none;
    border-color: var(--primary-color);
}

.intro-card .stat-item:hover::after {
    opacity: 0.35;
    filter: brightness(1.15) contrast(1.1);
    transform: scale(1.05);
}

.intro-card .stat-item:hover::before {
    right: -110px;
    background: linear-gradient(
        105deg,
        transparent 0%,
        rgba(250, 251, 252, 0.8) 30%,
        #fafbfc 65%
    );
}

.intro-card .stat-item:active {
    transform: translateY(-3px) perspective(1000px) rotateX(1deg);
}

.intro-card .stat-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.intro-card .stat-item:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.intro-card .stat-content {
    position: relative;
    z-index: 2;
}

.intro-card .stat-number {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.35rem;
    line-height: 1.3;
}

.intro-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.4;
}

.intro-card .card-image {
    flex-shrink: 0;
    width: 500px;
    height: auto;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.intro-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 992px) {
    .intro-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .intro-card .card-image {
        width: 100%;
        margin-top: 1.5rem;
    }

    .intro-card .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .intro-card .stat-item {
        text-align: left;
        background-size: 120px auto;
        background-position: right -5px center;
        min-height: 100px;
    }

    .intro-card .stat-item::after {
        background-size: 120px auto;
        background-position: right -5px center;
        width: 130px;
    }

    .intro-card .stat-item:hover {
        transform: translateY(-4px);
    }

    .intro-card .stat-content {
        max-width: 65%;
    }

    .intro-card .stat-number {
        font-size: 0.95rem;
    }

    .intro-card .stat-label {
        font-size: 0.75rem;
    }
}

/* Resource cards for Plugins, Fonts, Icons, Images */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.resource-card {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease;
}

.resource-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-soft);
    transform: translateY(-2px);
}

.resource-card .resource-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.resource-card .resource-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.resource-card .resource-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
    flex-grow: 1;
}

.resource-card .resource-desc code {
    font-size: 0.8em;
    background-color: var(--secondary-color);
    padding: 0.1em 0.35em;
    border-radius: 4px;
}

.resource-card .resource-link-text {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
}

.resource-card:hover .resource-link-text {
    text-decoration: underline;
}

.screenshot-window {
    margin: 20px auto;
    border-radius: 6px;
    overflow: hidden;
    background-color: #fff;
    text-align: center;
    font-family: "Inter", sans-serif;
}

.window-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #e3e3e3;
    padding: 8px 12px;
    border-bottom: 1px solid #e0e0e0;
}

.window-buttons span {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 6px;
}

.window-buttons .red {
    background-color: #ff5f56;
}

.window-buttons .yellow {
    background-color: #ffbd2e;
}

.window-buttons .green {
    background-color: #27c93f;
}

.window-breadcrumb input {
    background-color: #ffffff;
    border: 1px solid #ccc;
    border-radius: 4px;
    color: #555;
    font-size: 13px;
    padding: 4px 10px;
    width: 100%;
    text-align: center;
}

.window-breadcrumb input:focus {
    outline: none;
}

.window-body img {
    width: 100%;
    display: block;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.window-body img:hover {
    transform: scale(1.02);
}

.window-caption {
    font-size: 12px;
    margin-top: 8px;
    color: #555;
    margin-bottom: 6px;
}

/* Modal Styling */
.image-modal {
    display: none;
    position: fixed;
    z-index: 999;
    padding-top: 80px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
}

.image-modal img {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: auto;
    border-radius: 6px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.image-modal .close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
}

.image-modal .close:hover {
    color: #ccc;
}

/* Zoom and pan controls for image modal */
.image-modal .modal-content {
    transition: transform 0.1s ease-out;
    cursor: grab;
    user-select: none;
}

.image-modal .modal-content.grabbing {
    cursor: grabbing;
}

.image-modal-controls {
    position: absolute;
    bottom: 24px;
    right: 24px;
    display: flex;
    gap: 8px;
    z-index: 1000;
}

.image-modal-controls .zoom-btn {
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
}

.image-modal-controls .zoom-btn:hover {
    background: rgba(0, 0, 0, 0.75);
}