:root {
    --bg-body: #0f172a;
    --bg-surface: #1e293b;
    --border-color: #334155;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-emerald: #10b981;
    --hover-bg: #334155;
    --code-bg: #090d16;
    --lh-green: #0cce6b;
    --lh-orange: #ffa400;
    --lh-red: #ff4e42;
    --diff-add: rgba(16, 185, 129, 0.15);
    --diff-del: rgba(239, 68, 68, 0.15);
}

/* Application-wide theme tokens: page-specific styles must not change the shell palette. */
:root {
    --bg-body: #0f172a !important;
    --bg-surface: #1e293b !important;
    --border-color: #334155 !important;
    --text-primary: #e2e8f0 !important;
    --text-secondary: #94a3b8 !important;
    --accent-emerald: #10b981 !important;
    --hover-bg: #334155 !important;
    --code-bg: #090d16 !important;
}

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: 'Segoe UI', Roboto, -apple-system, sans-serif;
}

.fixed-header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
}

.skippy {
    background-color: #047857;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 600;
}

.bd-navbar {
    background-color: var(--bg-surface) !important;
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
}

.navbar-brand {
    color: var(--accent-emerald) !important;
    font-weight: 700;
    font-size: 1.3rem;
}

.bd-subnavbar {
    background-color: #111827;
    border-bottom: 1px solid var(--border-color);
    /* padding: 0.4rem 1rem; */
}

.top-topics-scroll {
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
}

.top-topics-scroll::-webkit-scrollbar {
    display: none;
}

.top-topics .nav-link {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
}

.top-topics .nav-link:hover,
.top-topics .nav-link.active {
    color: var(--text-primary);
    background-color: var(--hover-bg);
}

/* .top-topics .nav-link.active {
            color: var(--accent-emerald);
            
        } */
.nav-link:hover,
.nav-link.active {
    font-weight: 600;
    color: var(--accent-emerald) !important;
}

/* Secondary-menu icon palette, aligned with the Messages template. */
.bd-subnavbar .top-topics .bi:not([class*="text-"]) {
    color: #0d6efd !important;
}

.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-check2-circle,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-check2-square,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-check-circle-fill,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-database,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-graph-up-arrow,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-rocket-takeoff,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-cloud-arrow-up {
    color: #198754 !important;
}

.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-exclamation-triangle,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-database-exclamation,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-file-diff,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-shield-lock,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-shield-shaded,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-calendar-x {
    color: #dc3545 !important;
}

.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-shield-check,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-key,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-fingerprint,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-clock-history,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-hourglass-split,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-tags,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-funnel,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-tools {
    color: #ffc107 !important;
}

.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-link-45deg,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-braces,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-diagram-3,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-file-earmark-code,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-filetype-json,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-code-slash,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-cpu,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-plug,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-hdd-network,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-send,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-robot {
    color: #0dcaf0 !important;
}

.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-file-text,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-file-earmark-text,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-filetype-sql,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-filetype-js,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-filetype-cs,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-filetype-html,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-filetype-txt,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-list-ol,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-list-ul,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-table,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-box-seam {
    color: #6f42c1 !important;
}

.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-search,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-sliders,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-palette,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-cookie,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-gear-fill,
.bd-subnavbar .top-topics .bi:not([class*="text-"]).bi-wifi-off {
    color: #6c757d !important;
}

/* Enforced icon colors for every secondary menu. These selectors deliberately
   avoid attribute exclusions so page-level styles cannot reset the palette. */
.bd-subnavbar .top-topics i[class*="bi-"] { color: #0d6efd !important; }
.bd-subnavbar .top-topics .bi-check2-circle, .bd-subnavbar .top-topics .bi-check2-square, .bd-subnavbar .top-topics .bi-check-circle-fill, .bd-subnavbar .top-topics .bi-database, .bd-subnavbar .top-topics .bi-graph-up-arrow, .bd-subnavbar .top-topics .bi-rocket-takeoff, .bd-subnavbar .top-topics .bi-cloud-arrow-up, .bd-subnavbar .top-topics .bi-credit-card-fill, .bd-subnavbar .top-topics .bi-file-earmark-arrow-up-fill { color: #198754 !important; }
.bd-subnavbar .top-topics .bi-exclamation-triangle, .bd-subnavbar .top-topics .bi-exclamation-triangle-fill, .bd-subnavbar .top-topics .bi-database-exclamation, .bd-subnavbar .top-topics .bi-file-diff, .bd-subnavbar .top-topics .bi-shield-lock, .bd-subnavbar .top-topics .bi-shield-lock-fill, .bd-subnavbar .top-topics .bi-shield-shaded, .bd-subnavbar .top-topics .bi-calendar-x, .bd-subnavbar .top-topics .bi-hdd-network-fill { color: #dc3545 !important; }
.bd-subnavbar .top-topics .bi-shield-check, .bd-subnavbar .top-topics .bi-key, .bd-subnavbar .top-topics .bi-key-fill, .bd-subnavbar .top-topics .bi-fingerprint, .bd-subnavbar .top-topics .bi-clock-history, .bd-subnavbar .top-topics .bi-hourglass-split, .bd-subnavbar .top-topics .bi-tags, .bd-subnavbar .top-topics .bi-funnel, .bd-subnavbar .top-topics .bi-tools, .bd-subnavbar .top-topics .bi-cart-fill, .bd-subnavbar .top-topics .bi-clipboard-fill, .bd-subnavbar .top-topics .bi-question-circle-fill { color: #ffc107 !important; }
.bd-subnavbar .top-topics .bi-link-45deg, .bd-subnavbar .top-topics .bi-braces, .bd-subnavbar .top-topics .bi-diagram-3, .bd-subnavbar .top-topics .bi-file-earmark-code, .bd-subnavbar .top-topics .bi-filetype-json, .bd-subnavbar .top-topics .bi-code-slash, .bd-subnavbar .top-topics .bi-cpu, .bd-subnavbar .top-topics .bi-plug, .bd-subnavbar .top-topics .bi-hdd-network, .bd-subnavbar .top-topics .bi-send, .bd-subnavbar .top-topics .bi-robot, .bd-subnavbar .top-topics .bi-arrow-repeat, .bd-subnavbar .top-topics .bi-layout-text-window-reverse { color: #0dcaf0 !important; }
.bd-subnavbar .top-topics .bi-file-text, .bd-subnavbar .top-topics .bi-file-earmark-text, .bd-subnavbar .top-topics .bi-filetype-sql, .bd-subnavbar .top-topics .bi-filetype-js, .bd-subnavbar .top-topics .bi-filetype-cs, .bd-subnavbar .top-topics .bi-filetype-html, .bd-subnavbar .top-topics .bi-filetype-txt, .bd-subnavbar .top-topics .bi-list-ol, .bd-subnavbar .top-topics .bi-list-ul, .bd-subnavbar .top-topics .bi-table, .bd-subnavbar .top-topics .bi-box-seam { color: #6f42c1 !important; }
.bd-subnavbar .top-topics .bi-search, .bd-subnavbar .top-topics .bi-sliders, .bd-subnavbar .top-topics .bi-palette, .bd-subnavbar .top-topics .bi-cookie, .bd-subnavbar .top-topics .bi-gear-fill, .bd-subnavbar .top-topics .bi-wifi-off { color: #6c757d !important; }

.scroll-btn {
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    /* border-radius: 50%; */
    width: 43px;
    height: 41px;
    min-width: 28px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.main-wrapper {
    margin-top: 81px;
    padding: 2rem 1rem;
}

.content-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.75rem;
    margin-bottom: 1.75rem;
}

.custom-dropdown {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
}

.code-textarea,
.form-control,
.form-select {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: 'Fira Code', Monaco, Consolas, monospace;
    font-size: 0.9rem;
}

.code-textarea:focus,
.form-control:focus,
.form-select:focus {
    background-color: var(--code-bg);
    border-color: var(--accent-emerald);
    color: var(--text-primary);
    box-shadow: none;
}

.stats-badge {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.output-code-block {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    color: #e2e8f0;
    font-family: 'Fira Code', Monaco, Consolas, monospace;
    font-size: 0.88rem;
    white-space: pre-wrap;
    word-break: break-all;
    margin-bottom: 0;
    max-height: 350px;
    overflow-y: auto;
}

.output-box {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Fira Code', Monaco, Consolas, monospace;
    font-size: 0.85rem;
    min-height: 220px;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.table-custom {
    color: var(--text-primary);
    background-color: var(--code-bg);
}

.table-custom th,
.table-custom td {
    border-color: var(--border-color);
    vertical-align: middle;
}

.bd-subnavbar .container-xxl {
    padding-left: 0px;
    padding-right: 0px;
}

.result-box {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    font-family: 'Fira Code', Monaco, Consolas, monospace;
    font-size: 0.88rem;
    min-height: 280px;
    max-height: 400px;
    overflow-y: auto;
    color: var(--accent-emerald);
    white-space: pre-wrap;
}

.accordion-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.accordion-button {
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.accordion-button:not(.collapsed) {
    background-color: var(--hover-bg);
    color: var(--accent-emerald);
}

.message-card {
    background-color: rgba(9, 13, 22, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem;
}

.preview-pane {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    font-size: 0.92rem;
    min-height: 220px;
    max-height: 450px;
    overflow-y: auto;
    color: var(--text-primary);
}

.json-display {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Fira Code', Monaco, Consolas, monospace;
    font-size: 0.88rem;
    min-height: 180px;
    max-height: 380px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--accent-emerald);
}

.diff-box {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    font-family: 'Fira Code', Monaco, Consolas, monospace;
    font-size: 0.88rem;
    min-height: 220px;
    max-height: 320px;
    overflow-y: auto;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.diff-added {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34d399;
    display: inline-block;
    width: 100%;
}

.diff-removed {
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
    display: inline-block;
    width: 100%;
}

.section-builder-card {
    background-color: rgba(9, 13, 22, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.stat-box {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    text-align: center;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-emerald);
    font-family: 'Fira Code', Monaco, Consolas, monospace;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

.csharp-display {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    font-family: 'Fira Code', Monaco, Consolas, monospace;
    font-size: 0.88rem;
    min-height: 240px;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre;
    word-break: normal;
    color: var(--accent-emerald);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--accent-emerald);
    background-color: var(--bg-surface);
    border-color: var(--border-color) var(--border-color) var(--bg-surface);
    font-weight: 600;
}

.nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.tab-content {
    padding-top: 1.5rem;
}

.preview-box {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    min-height: 200px;
    max-height: 350px;
    overflow-y: auto;
    color: var(--text-primary);
}

/* Highlight style injected dynamically for matched elements */
.matched-highlight {
    outline: 2px solid var(--accent-emerald) !important;
    background-color: rgba(16, 185, 129, 0.15) !important;
    transition: all 0.2s ease;
}

.code-pill {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    color: var(--accent-emerald);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    font-family: monospace;
    font-weight: 600;
    transition: all 0.2s ease;
}

.code-pill:hover {
    border-color: var(--accent-emerald);
    background-color: var(--hover-bg);
}

.error-code-input {
    background-color: var(--code-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Fira Code', Monaco, Consolas, monospace;
    font-size: 1.5rem;
    letter-spacing: 1px;
    padding: 0.75rem 1rem;
    text-align: center;
}

.error-code-input:focus,
.semver-input:focus {
    background-color: var(--code-bg);
    color: var(--text-primary);
    border-color: var(--accent-emerald);
    box-shadow: 0 0 0 0.25rem rgba(16, 185, 129, 0.25);
}

.explanation-box {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    min-height: 220px;
}

.color-preview-box {
    width: 100%;
    height: 120px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: #10b981;
    transition: background-color 0.2s ease;
}

.ini-display,
.props-display,
.toml-display,
.htaccess-display,
.compose-display,
.dockerfile-display,
.gitignore-display,
.k8s-display,
.nginx-display {
            background-color: var(--code-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1rem;
            font-family: 'Fira Code', Monaco, Consolas, monospace;
            font-size: 0.88rem;
            min-height: 380px;
            white-space: pre-wrap;
            word-break: break-word;
            overflow-y: auto;
        }
        .article-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-emerald);
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        .article-section h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 1.25rem;
            margin-bottom: 0.5rem;
        }

        .article-section p, .article-section li {
            color: var(--text-secondary);
        }
        .cron-display,
        .git-display {
            background-color: var(--code-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1.25rem;
            font-family: 'Fira Code', Monaco, Consolas, monospace;
            font-size: 0.95rem;
            min-height: 80px;
            color: var(--accent-emerald);
            white-space: pre-wrap;
            word-break: break-word;
        }
        .git-display {
            min-height: 90px;
        }
        .semver-input {
            background-color: var(--code-bg);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-family: 'Fira Code', Monaco, Consolas, monospace;
            font-size: 1.2rem;
            letter-spacing: 0.5px;
            padding: 0.75rem 1rem;
        }


        .semver-display {
            background-color: var(--code-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1.25rem;
            font-family: 'Fira Code', Monaco, Consolas, monospace;
            font-size: 1.5rem;
            min-height: 80px;
            color: var(--accent-emerald);
            display: flex;
            align-items: center;
            justify-content: center;
        }
.kv-row,
.selector-row,
.secret-row {
            background-color: rgba(9, 13, 22, 0.4);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 0.75rem;
            margin-bottom: 0.75rem;
        }
        .form-check-input:checked {
            background-color: var(--accent-emerald);
            border-color: var(--accent-emerald);
        }
        .form-range::-webkit-slider-thumb {
            background: var(--accent-emerald);
        }

/* Keep this final override after all page-shell rules. */
.bd-subnavbar .top-topics i.bi {
    color: #0d6efd !important;
}

.bd-subnavbar .top-topics i.bi-filetype-js,
.bd-subnavbar .top-topics i.bi-filetype-json,
.bd-subnavbar .top-topics i.bi-filetype-sql,
.bd-subnavbar .top-topics i.bi-filetype-html,
.bd-subnavbar .top-topics i.bi-filetype-cs,
.bd-subnavbar .top-topics i.bi-file-text,
.bd-subnavbar .top-topics i.bi-file-earmark-text,
.bd-subnavbar .top-topics i.bi-table,
.bd-subnavbar .top-topics i.bi-list-ol,
.bd-subnavbar .top-topics i.bi-list-ul {
    color: #6f42c1 !important;
}

.bd-subnavbar .top-topics i.bi-check2-circle,
.bd-subnavbar .top-topics i.bi-check2-square,
.bd-subnavbar .top-topics i.bi-shield-check,
.bd-subnavbar .top-topics i.bi-database {
    color: #198754 !important;
}

.bd-subnavbar .top-topics i.bi-exclamation-triangle,
.bd-subnavbar .top-topics i.bi-file-diff,
.bd-subnavbar .top-topics i.bi-database-exclamation {
    color: #dc3545 !important;
}

.bd-subnavbar .top-topics i.bi-key,
.bd-subnavbar .top-topics i.bi-fingerprint,
.bd-subnavbar .top-topics i.bi-clock-history,
.bd-subnavbar .top-topics i.bi-funnel,
.bd-subnavbar .top-topics i.bi-tags {
    color: #ffc107 !important;
}

.bd-subnavbar .top-topics i.bi-braces,
.bd-subnavbar .top-topics i.bi-diagram-3,
.bd-subnavbar .top-topics i.bi-link-45deg,
.bd-subnavbar .top-topics i.bi-file-earmark-code,
.bd-subnavbar .top-topics i.bi-code-slash,
.bd-subnavbar .top-topics i.bi-cpu,
.bd-subnavbar .top-topics i.bi-plug,
.bd-subnavbar .top-topics i.bi-hdd-network {
    color: #0dcaf0 !important;
}