/* ── Dashboard Design System ─────────────────────────────────── */

:root,
[data-theme="light"] {
    --bg-color: #f0f2f5;
    --surface-color: #ffffff;
    --surface-raised: #ffffff;
    --text-color: #1a1d23;
    --text-muted: #6b7280;
    --border-color: #e2e5ea;
    --primary-color: #0ea5e9;
    --code-bg: #f4f6f9;
    --header-border: #e2e5ea;
    --table-alt-bg: #f8f9fb;
    --blockquote-border: #d1d5db;
    --error-bg: #fef3c7;
    --error-border: rgba(234, 179, 8, 0.4);
    --sidebar-active-bg: rgba(14, 165, 233, 0.08);
    --accent-gradient-start: #0ea5e9;
    --accent-gradient-end: #8b5cf6;
    --btn-gradient-start: #0ea5e9;
    --btn-gradient-end: #06b6d4;
    --btn-shadow: rgba(14, 165, 233, 0.2);
    --btn-shadow-hover: rgba(14, 165, 233, 0.35);
    --dash-glow: rgba(14, 165, 233, 0.06);
    --dash-sidebar-bg: #f8f9fb;
    --dash-topbar-bg: #ffffff;
    --dash-widget-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --dash-status-green: #10b981;
    --dash-status-amber: #f59e0b;
    --dash-status-red: #ef4444;
    --dash-status-cyan: #06b6d4;
    --dash-panel-header: #f8f9fb;
    --dash-terminal-bg: #1e293b;
    --dash-terminal-text: #e2e8f0;
    --dash-indicator: #0ea5e9;
}

[data-theme="dark"] {
    --bg-color: #0a0e14;
    --surface-color: #111620;
    --surface-raised: #161d2a;
    --text-color: #e2e8f0;
    --text-muted: #7a8599;
    --border-color: #1e2736;
    --primary-color: #22d3ee;
    --code-bg: #0d1219;
    --header-border: #1e2736;
    --table-alt-bg: #111620;
    --blockquote-border: #1e2736;
    --error-bg: #1c1305;
    --error-border: rgba(187, 128, 9, 0.4);
    --sidebar-active-bg: rgba(34, 211, 238, 0.08);
    --accent-gradient-start: #22d3ee;
    --accent-gradient-end: #a78bfa;
    --btn-gradient-start: #22d3ee;
    --btn-gradient-end: #06b6d4;
    --btn-shadow: rgba(34, 211, 238, 0.2);
    --btn-shadow-hover: rgba(34, 211, 238, 0.35);
    --dash-glow: rgba(34, 211, 238, 0.03);
    --dash-sidebar-bg: #0d1219;
    --dash-topbar-bg: #111620;
    --dash-widget-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 0 1px rgba(34,211,238,0.05);
    --dash-status-green: #34d399;
    --dash-status-amber: #fbbf24;
    --dash-status-red: #f87171;
    --dash-status-cyan: #22d3ee;
    --dash-panel-header: #0d1219;
    --dash-terminal-bg: #080c11;
    --dash-terminal-text: #94a3b8;
    --dash-indicator: #22d3ee;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 0;
    min-height: 100vh;
}

/* ── Dashboard Top Bar ──────────────────────────────────────── */
.top-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 10px;
    background: var(--dash-topbar-bg);
    padding: 0 20px;
    height: 52px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.logo {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-color);
    margin-right: auto;
    white-space: nowrap;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dash-status-green);
    box-shadow: 0 0 6px var(--dash-status-green);
    flex-shrink: 0;
}

.top-bar-global {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}

.top-bar-doc {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 1;
    min-width: 0;
}

.top-bar-buttons {
    flex-shrink: 0;
    order: 1;
}

.top-bar-row2 {
    display: contents;
}

.top-bar-global {
    order: 2;
}

select {
    padding: 5px 10px;
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
    min-width: 180px;
}

select:hover {
    border-color: var(--primary-color);
}

.top-bar-btn {
    padding: 5px 10px;
    background-color: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.15s;
    font-family: 'Inter', sans-serif;
}

.top-bar-btn:hover {
    background-color: var(--sidebar-active-bg);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.top-bar-btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

/* Font size button */
#font-size-toggle {
    font-weight: 700;
    font-size: 13px;
    min-width: 32px;
    justify-content: center;
}

#font-size-toggle .size-indicator {
    font-size: 9px;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 1px;
}

/* ── Dashboard Layout ───────────────────────────────────────── */
.layout-wrapper {
    display: flex;
    min-height: calc(100vh - 52px);
}

/* ── Sidebar — Dashboard Nav Panel ──────────────────────────── */
.sidebar {
    display: block;
    position: sticky;
    top: 52px;
    width: 240px;
    flex-shrink: 0;
    height: calc(100vh - 52px);
    overflow-y: auto;
    background: var(--dash-sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 0;
    scrollbar-width: thin;
    z-index: 50;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.sidebar-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 16px 16px 10px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-collapse-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 2px;
    line-height: 1;
    font-size: 14px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}

.sidebar-collapse-btn:hover {
    color: var(--text-color);
    background: var(--sidebar-active-bg);
}

.sidebar.collapsed {
    display: none;
}

.sidebar-reopen {
    display: flex;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: color 0.15s;
    flex-shrink: 0;
    padding: 0;
    margin-left: -6px;
}

.sidebar-reopen:hover {
    color: var(--primary-color);
}

.sidebar-docs-nav {
    padding: 0;
    margin: 0;
    list-style: none;
}

.sidebar-docs-group-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 14px 14px 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    user-select: none;
    transition: color 0.15s;
}

.sidebar-docs-group-label:hover {
    color: var(--primary-color);
}

.sidebar-docs-group-label .chevron {
    font-size: 8px;
    transition: transform 0.2s;
    flex-shrink: 0;
    opacity: 0.5;
}

.sidebar-docs-group-label.collapsed .chevron {
    transform: rotate(-90deg);
}

.sidebar-docs-group-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-docs-group-items.collapsed {
    display: none;
}

.sidebar-docs-nav a {
    display: flex;
    align-items: center;
    padding: 5px 14px 5px 20px;
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all 0.15s;
    line-height: 1.4;
    gap: 8px;
}

.sidebar-docs-nav a::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--border-color);
    flex-shrink: 0;
    transition: background 0.15s, box-shadow 0.15s;
}

.sidebar-docs-nav a:hover {
    color: var(--text-color);
    background: var(--sidebar-active-bg);
}

.sidebar-docs-nav a:hover::before {
    background: var(--primary-color);
}

.sidebar-docs-nav a.active {
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 600;
    background: var(--sidebar-active-bg);
}

.sidebar-docs-nav a.active::before {
    background: var(--primary-color);
    box-shadow: 0 0 6px var(--primary-color);
}

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

.sidebar-step-list a {
    display: flex;
    padding: 3px 14px 3px 30px;
    font-size: 12px;
    color: var(--text-muted);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all 0.15s;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0.7;
    gap: 8px;
}

.sidebar-step-list a::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--border-color);
    flex-shrink: 0;
    margin-top: 6px;
}

.sidebar-step-list a:hover {
    color: var(--text-color);
    background: var(--sidebar-active-bg);
    opacity: 1;
}

.sidebar-step-list a.active {
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 600;
    opacity: 1;
}

.sidebar-step-list a.active::before {
    background: var(--primary-color);
    box-shadow: 0 0 4px var(--primary-color);
}

/* ── Main Container — Dashboard Panel ───────────────────────── */
.container {
    flex: 1;
    min-width: 0;
    padding: 0;
    min-height: calc(100vh - 52px);
    background: var(--surface-color);
}

#markdown-content {
    max-width: 100%;
    margin: 0 auto;
    background: var(--surface-color);
    padding: 40px 48px;
}

/* Font size classes */
#markdown-content.font-small { font-size: 20px; }
#markdown-content.font-default { font-size: 22px; }
#markdown-content.font-large { font-size: 24px; }
#markdown-content.font-xlarge { font-size: 26px; }
#markdown-content.font-xxlarge { font-size: 28px; }

/* ── Markdown Content — Dashboard Typography ────────────────── */
#markdown-content h1 {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 12px;
    font-size: 1.9em;
    margin-top: 24px;
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

#markdown-content h1:first-child {
    margin-top: 0;
}

#markdown-content h2 {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    font-size: 1.4em;
    margin-top: 32px;
    margin-bottom: 16px;
    font-weight: 700;
    line-height: 1.25;
    scroll-margin-top: 80px;
    letter-spacing: -0.01em;
}

#markdown-content h3 {
    font-size: 1.15em;
    margin-top: 24px;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.3;
    scroll-margin-top: 80px;
    color: var(--primary-color);
}

#markdown-content h4 {
    font-size: 1em;
    margin-top: 20px;
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.85em;
    color: var(--text-muted);
}

#markdown-content p {
    margin-top: 0;
    margin-bottom: 16px;
}

#markdown-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}

#markdown-content a:hover {
    border-bottom-color: var(--primary-color);
    text-decoration: none;
}

#markdown-content code {
    padding: 2px 6px;
    margin: 0;
    font-size: 85%;
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    color: var(--primary-color);
}

#markdown-content pre {
    position: relative;
    background-color: var(--dash-terminal-bg);
    border-radius: 8px;
    font-size: 85%;
    line-height: 1.5;
    overflow: auto;
    padding: 16px 20px;
    margin-top: 0;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

#markdown-content pre code {
    background-color: transparent;
    padding: 0;
    margin: 0;
    font-size: 100%;
    word-break: normal;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 0;
    border-radius: 0;
    color: var(--dash-terminal-text);
}

/* Code block copy button */
.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 3px 10px;
    font-size: 10px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    color: var(--dash-terminal-text);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s, background 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#markdown-content pre:hover .code-copy-btn {
    opacity: 0.8;
}

.code-copy-btn:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
    opacity: 1 !important;
}

.code-copy-btn.copied {
    color: var(--dash-status-green);
    border-color: var(--dash-status-green);
    opacity: 1 !important;
}

#markdown-content blockquote {
    padding: 0 1em;
    color: var(--text-muted);
    border-left: 3px solid var(--primary-color);
    margin: 0 0 16px 0;
    background: var(--dash-glow);
    border-radius: 0 6px 6px 0;
    padding: 12px 16px;
}

#markdown-content ul,
#markdown-content ol {
    padding-left: 2em;
    margin-top: 0;
    margin-bottom: 16px;
}

#markdown-content table {
    border-spacing: 0;
    border-collapse: collapse;
    display: block;
    margin-top: 0;
    margin-bottom: 16px;
    width: max-content;
    max-width: 100%;
    overflow: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

#markdown-content tr {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
}

#markdown-content tr:nth-child(2n) {
    background-color: var(--table-alt-bg);
}

#markdown-content th,
#markdown-content td {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    font-size: 0.92em;
}

#markdown-content th {
    font-weight: 600;
    background: var(--dash-panel-header);
    text-transform: uppercase;
    font-size: 0.78em;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

#markdown-content img {
    max-width: 100%;
    box-sizing: border-box;
    background-color: var(--surface-color);
    border-radius: 8px;
}

/* Two-Column Auto-Balanced Layout */
.two-column {
    column-count: 2;
    column-gap: 32px;
}

.two-column p {
    break-inside: avoid;
    margin-bottom: 12px;
}

/* Loading & Error States */
.loading {
    text-align: center;
    padding: 60px 40px;
    color: var(--text-muted);
    font-size: 0.9em;
    letter-spacing: 0.02em;
}

.loading::before {
    content: '';
    display: block;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 12px;
    animation: dash-spin 0.8s linear infinite;
}

@keyframes dash-spin {
    to { transform: rotate(360deg); }
}

.error {
    padding: 20px;
    background-color: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: 8px;
    color: var(--text-color);
    margin-bottom: 20px;
}

.file-upload {
    margin-top: 20px;
    padding: 20px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    text-align: center;
}

/* ── Collapsible Sections ───────────────────────────────────── */
#markdown-content .collapsible-header {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-left: 1.2em;
    transition: color 0.15s;
}

#markdown-content .collapsible-header:hover {
    color: var(--primary-color);
}

#markdown-content .collapsible-header::before {
    content: '';
    display: inline-block;
    border-style: solid;
    border-width: 5px 0 5px 7px;
    border-color: transparent transparent transparent var(--text-muted);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) rotate(90deg);
    transition: transform 0.2s ease, border-color 0.15s;
}

#markdown-content .collapsible-header:hover::before {
    border-color: transparent transparent transparent var(--primary-color);
}

#markdown-content .collapsible-header.collapsed::before {
    transform: translateY(-50%) rotate(0deg);
}

.section-content.collapsed {
    display: none;
}

#markdown-content h3.collapsible-header {
    margin-left: 1.2em;
    padding-left: 1.4em;
    border-left: 2px solid var(--border-color);
}

#markdown-content h3.collapsible-header::before {
    left: 0.6em;
}

/* ── Document Navigation ────────────────────────────────────── */
.doc-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 960px;
    margin: 20px auto 40px;
    padding-top: 0;
}

.doc-nav a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.15s;
    background: var(--surface-color);
    font-family: 'Inter', sans-serif;
}

.doc-nav a:hover {
    border-color: var(--primary-color);
    background: var(--sidebar-active-bg);
    text-decoration: none;
}

.doc-nav .nav-prev::before { content: '\2190 '; }
.doc-nav .nav-next::after { content: ' \2192'; }
.doc-nav .nav-spacer { flex: 1; }

/* ── Back to Top — Dashboard Style ──────────────────────────── */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    z-index: 90;
    box-shadow: var(--dash-widget-shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* TOC FAB (mobile) */
.toc-fab {
    display: none;
    position: fixed;
    bottom: 68px;
    right: 24px;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    z-index: 100;
    box-shadow: var(--dash-widget-shadow);
}

.toc-fab svg {
    width: 18px;
    height: 18px;
}

/* Sidebar overlay (mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    z-index: 199;
}

.sidebar-overlay.active {
    display: block;
}

/* ── Path Picker / Cards — Dashboard Widgets ────────────────── */
.path-picker {
    max-width: 900px;
    margin: 0 auto;
}

.path-picker h1 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 2em;
    font-weight: 800;
    border: none;
    letter-spacing: -0.02em;
}

.path-picker .path-picker-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1em;
    margin-bottom: 32px;
}

.path-picker-level {
    margin-bottom: 28px;
}

.path-picker-level-label {
    font-size: 0.72em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.path-picker-level-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.path-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}

.pick-your-path-grid {
    grid-template-columns: repeat(2, 1fr);
}

.path-card {
    position: relative;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 22px 20px 18px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 5px;
    box-shadow: var(--dash-widget-shadow);
}

.path-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1), 0 0 0 1px var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .path-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--primary-color), 0 0 20px var(--dash-glow);
}

.path-card-static {
    cursor: default;
    text-align: center;
}

.path-card-icon {
    font-size: 1.8em;
    line-height: 1;
    margin-bottom: 4px;
}

.path-card-icon img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 8px;
}

.path-card-name {
    font-size: 1.05em;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.path-card-tools {
    font-size: 0.8em;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.path-card-desc {
    font-size: 0.85em;
    color: var(--text-muted);
    line-height: 1.5;
    flex: 1;
}

.path-card-pills {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.path-pill {
    font-size: 0.7em;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
}

.path-pill.time {
    background: rgba(100, 100, 100, 0.08);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.path-pill.free {
    background: rgba(16, 185, 129, 0.1);
    color: var(--dash-status-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.path-pill.paid {
    background: rgba(245, 158, 11, 0.1);
    color: var(--dash-status-amber);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.path-card-badge {
    position: absolute;
    top: -8px;
    right: 14px;
    font-size: 0.65em;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
    color: #fff;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
}

.path-picker-hint {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85em;
    margin-top: 8px;
}

/* ── Callout Boxes — Dashboard Status Alerts ────────────────── */
.step-callout {
    display: flex;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 8px;
    border-left: 3px solid;
    margin: 0 0 16px 0;
    line-height: 1.6;
    color: var(--text-color);
    box-shadow: var(--dash-widget-shadow);
}

.step-callout-icon {
    flex-shrink: 0;
    font-size: 1.1em;
    line-height: 1.5;
}

.step-callout-body {
    flex: 1;
    min-width: 0;
}

.step-callout-body p:last-child {
    margin-bottom: 0;
}

.step-callout.tip {
    background: rgba(14, 165, 233, 0.04);
    border-color: var(--dash-status-cyan);
}

[data-theme="dark"] .step-callout.tip {
    background: rgba(34, 211, 238, 0.05);
}

.step-callout.warning {
    background: rgba(245, 158, 11, 0.04);
    border-color: var(--dash-status-amber);
}

[data-theme="dark"] .step-callout.warning {
    background: rgba(251, 191, 36, 0.05);
}

.step-callout.note {
    background: rgba(16, 185, 129, 0.04);
    border-color: var(--dash-status-green);
}

[data-theme="dark"] .step-callout.note {
    background: rgba(52, 211, 153, 0.05);
}

/* ── Terminal Panels ────────────────────────────────────────── */
.step-terminal {
    background: var(--dash-terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: var(--dash-widget-shadow);
}

.step-terminal::before {
    display: none;
}

.step-terminal-bar {
    display: none;
}

.step-terminal pre {
    margin: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.step-terminal pre code {
    color: var(--dash-terminal-text);
}

/* CTA link buttons — Dashboard Action Buttons */
#markdown-content .step-link-btn,
.step-link-btn {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    gap: 6px;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end));
    color: #fff;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9em;
    text-decoration: none !important;
    transition: all 0.15s;
    box-shadow: 0 2px 8px var(--btn-shadow);
    margin: 4px 0;
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.01em;
    border: none;
}

[data-theme="dark"] .step-link-btn,
[data-theme="dark"] #markdown-content .step-link-btn {
    color: #0a0e14;
}

.step-link-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--btn-shadow-hover);
    text-decoration: none !important;
}

/* Checklist */
.step-checklist {
    list-style: none !important;
    padding-left: 0 !important;
}

.step-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.step-checklist li:last-child {
    border-bottom: none;
}

.step-checklist-icon {
    flex-shrink: 0;
    font-size: 1.1em;
    line-height: 1.5;
}

/* Numbered steps — Dashboard Progress Indicators */
.step-num-list {
    list-style: none !important;
    padding-left: 0 !important;
    counter-reset: step-counter;
}

.step-num-list > li {
    position: relative;
    padding: 12px 0 12px 52px;
    counter-increment: step-counter;
    line-height: 1.7;
    border-left: 2px solid var(--border-color);
    margin-left: 15px;
}

.step-num-list > li:last-child {
    border-left-color: transparent;
}

.step-num-list > li::before {
    content: counter(step-counter);
    position: absolute;
    left: -16px;
    top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.8em;
    line-height: 1;
    font-family: 'JetBrains Mono', monospace;
    box-shadow: 0 0 0 4px var(--bg-color);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
    .sidebar {
        display: none;
        position: fixed;
        top: 0;
        left: -300px;
        width: 280px;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
        border: none;
        border-right: 1px solid var(--border-color);
        z-index: 200;
        transition: left 0.25s ease;
        padding-top: 20px;
    }

    .sidebar.mobile-open {
        display: block;
        left: 0;
    }

    .toc-fab {
        display: none;
    }

    .sidebar-reopen {
        display: flex;
    }
}

@media (max-width: 980px) {
    .logo {
        font-size: 0.8rem;
        min-width: 0;
    }
}

@media (max-width: 768px) {
    .top-bar {
        padding: 0 12px;
        height: 48px;
    }

    .logo {
        font-size: 0.72rem;
    }

    .welcome-url {
        font-size: 1.3em !important;
    }

    .container {
        padding: 12px;
    }

    #markdown-content {
        padding: 20px 16px;
        border-radius: 8px;
    }

    .two-column {
        column-count: 1;
    }

    #markdown-content td[width] {
        display: block;
        width: 100% !important;
        border-top: none;
    }

    #markdown-content td[width] img {
        display: block;
        margin: 8px auto;
    }

    #markdown-content td[width] a {
        word-break: break-all;
    }

    #markdown-content h1 {
        font-size: 1.5em;
    }

    #markdown-content h2 {
        font-size: 1.2em;
    }
}

@media (max-width: 600px) {
    .path-picker-grid,
    .pick-your-path-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Skip Link ──────────────────────────────────────────────── */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-color);
    color: #fff;
    padding: 8px 16px;
    z-index: 10000;
    font-weight: 600;
    border-radius: 0 0 6px 0;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

/* ── Gantt Timeline ─────────────────────────────────────────── */
.gantt-timeline {
    position: relative;
    overflow-x: auto;
    margin-bottom: 28px;
    scrollbar-width: thin;
}
.gantt-timeline::-webkit-scrollbar { height: 6px; }
.gantt-timeline::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

.gantt-inner {
    position: relative;
    min-width: 600px;
}

/* Year axis */
.gantt-axis {
    display: flex;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
    margin-bottom: 8px;
}

.gantt-axis-label {
    font-family: var(--font-mono, monospace);
    font-weight: 700;
    font-size: 0.7em;
    color: var(--text-muted);
    position: absolute;
    transform: translateX(-50%);
}

/* Vertical grid lines */
.gantt-grid {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    pointer-events: none;
}

.gantt-grid-line {
    position: absolute;
    top: 24px;
    bottom: 0;
    width: 1px;
    background: var(--border-color);
    opacity: 0.4;
}

/* Rows */
.gantt-rows {
    position: relative;
    padding: 4px 0;
}

.gantt-row {
    position: relative;
    height: 36px;
    margin-bottom: 6px;
}

.gantt-bar {
    position: absolute;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
    border-radius: 6px;
    display: flex;
    align-items: center;
    padding: 0 10px;
    overflow: hidden;
    opacity: 0.8;
    transition: opacity 0.15s;
    cursor: default;
}

.gantt-bar:hover {
    opacity: 1;
}

.gantt-bar-label {
    font-size: 0.75em;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1;
}

.gantt-bar-years {
    font-family: var(--font-mono, monospace);
    font-size: 0.65em;
    font-weight: 600;
    color: rgba(255,255,255,0.75);
    margin-left: 8px;
    white-space: nowrap;
}

/* Detail list below chart */
.gantt-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 20px;
}

.gantt-detail {
    display: flex;
    gap: 12px;
    align-items: baseline;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.gantt-detail-years {
    font-family: var(--font-mono, monospace);
    font-weight: 800;
    font-size: 0.75em;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.gantt-detail-name {
    font-weight: 700;
    font-size: 0.85em;
    color: var(--text-color);
    margin-bottom: 2px;
}

.gantt-detail-desc {
    font-size: 0.8em;
    color: var(--text-muted);
    line-height: 1.4;
}

@media (max-width: 700px) {
    .gantt-details {
        grid-template-columns: 1fr;
    }
}

/* ── Print ──────────────────────────────────────────────────── */
@media print {
    .step-callout {
        border: 1px solid #ddd;
        break-inside: avoid;
    }

    .step-terminal {
        background: #f5f5f5 !important;
    }

    .step-terminal::before {
        display: none;
    }

    .step-terminal-bar {
        display: none;
    }

    .step-terminal pre code {
        color: #333 !important;
    }

    .step-link-btn {
        background: none !important;
        color: black !important;
        border: 1px solid #999;
        box-shadow: none;
    }

    .step-num-list > li::before {
        background: #333 !important;
        color: #fff !important;
        border-color: #333 !important;
    }

    body {
        background: white;
        color: black;
        padding: 0;
    }

    .top-bar,
    .back-to-top,
    .toc-fab,
    .sidebar,
    .sidebar-overlay,
    .file-upload,
    .loading,
    .error,
    .doc-nav,
    .code-copy-btn,
    .code-lang-label {
        display: none !important;
    }

    .layout-wrapper {
        display: block;
    }

    .container {
        border: none;
        box-shadow: none;
        margin: 0;
        padding: 0;
        width: 100%;
        max-width: 100%;
    }

    #markdown-content {
        font-size: 10pt !important;
        line-height: 1.3;
        box-shadow: none;
        border: none;
        padding: 0;
    }

    h1, h2, h3 {
        page-break-after: avoid;
        page-break-inside: avoid;
        color: black !important;
    }

    h1 {
        font-size: 16pt;
        border-bottom: 2px solid #000;
        margin-top: 0.5em;
        margin-bottom: 0.5em;
    }

    h2 {
        font-size: 14pt;
        border-bottom: 1px solid #ccc;
        margin-top: 1em;
        margin-bottom: 0.5em;
    }

    h3 {
        font-size: 12pt;
        margin-top: 0.8em;
        margin-bottom: 0.4em;
    }

    p, ul, ol {
        margin-bottom: 0.8em;
    }

    pre, code {
        white-space: pre-wrap !important;
        word-wrap: break-word;
        border: 1px solid #ddd;
        background-color: #f5f5f5 !important;
        font-size: 9pt;
    }

    a {
        text-decoration: none;
        color: black !important;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        page-break-inside: auto;
        margin-bottom: 1em;
    }

    tr {
        page-break-inside: avoid;
    }

    td, th {
        vertical-align: top;
        padding: 4px;
        border: 1px solid #ddd;
    }

    .two-column {
        column-count: 2;
        column-gap: 24px;
    }

    .two-column p {
        break-inside: avoid;
        margin-bottom: 8px;
        font-size: 9pt;
    }

    details, summary {
        display: block;
    }

    .collapsible-header::before {
        display: none !important;
    }

    .collapsible-header {
        padding-left: 0 !important;
    }

    .section-content.collapsed {
        display: block !important;
    }

    [style*="display: none"] {
        display: block !important;
    }
}