/* ─────────── Exocore Docs · 2026 palette + reset ───────────
 * Deep onyx canvas with violet/cyan accents and warm signal dots.
 * Inspired by current docs sites (Linear, Vercel, Resend, Anthropic)
 * — soft mesh gradients, hairline borders, generous spacing, and
 * tactile micro-interactions instead of heavy chrome. */
:root {
    /* Surfaces — graphite ramp */
    --bg:        #07070A;
    --bg-soft:   #0D0D11;
    --bg-card:   #111116;
    --bg-elev:   #16161D;
    --bg-hover:  #1A1A22;
    --border:    #1F2029;
    --border-strong: #2A2B36;

    /* Text */
    --text:      #F2F2F7;
    --text-dim:  #9B9CAD;
    --text-mute: #61627A;

    /* Brand — Exocore signal violet → cyan */
    --accent:    #8B7CFF;       /* primary */
    --accent-2:  #4FE3FF;       /* secondary */
    --accent-3:  #FFB45E;       /* warm signal dot */
    --link:      #B8AEFF;
    --code-bg:   #0B0B10;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 8px 24px -8px rgba(0,0,0,0.55);
    --shadow-lg: 0 24px 60px -20px rgba(0,0,0,0.7), 0 6px 18px -6px rgba(139,124,255,0.18);

    --radius:    16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --topbar-h:  60px;
    --sidebar-w: 280px;
    --content-max: 920px;

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", "SF Pro Text", system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
}

/* Subtle ambient glow that lives behind the whole app — gives the
 * page a faint horizon without being a solid block of color. */
body::before {
    content: "";
    position: fixed; inset: 0;
    background:
        radial-gradient(900px 500px at 12% -10%, rgba(139, 124, 255, 0.10), transparent 60%),
        radial-gradient(800px 480px at 95% 110%, rgba(79, 227, 255, 0.07), transparent 60%);
    pointer-events: none;
    z-index: 0;
}

a {
    color: var(--link);
    text-decoration: none;
    transition: color 140ms var(--ease);
}
a:hover { color: var(--accent-2); }

kbd {
    background: var(--bg-elev);
    border: 1px solid var(--border-strong);
    border-bottom-width: 2px;
    border-radius: 6px;
    padding: 1px 7px;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 11.5px;
    color: var(--text-dim);
}

/* ─────────── App shell ─────────── */
.app-shell {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--topbar-h);
    background: rgba(8, 8, 12, 0.65);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 14px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--text);
    font-size: 15.5px;
    letter-spacing: -0.015em;
}
.brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background:
        conic-gradient(from 220deg at 50% 50%,
            var(--accent) 0%, var(--accent-2) 35%,
            var(--accent) 65%, var(--accent-2) 100%);
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.06),
        0 8px 22px -6px rgba(139,124,255,0.45);
    transition: transform 320ms var(--ease), box-shadow 320ms var(--ease);
}
.brand-mark::before {
    content: "";
    position: absolute; inset: 2px;
    border-radius: 7px;
    background: linear-gradient(160deg, #0E0E14 0%, #16161E 100%);
}
.brand-mark::after {
    content: "";
    position: absolute;
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent-2);
    box-shadow: 0 0 12px var(--accent-2);
    animation: brand-blink 2.4s ease-in-out infinite;
}
@keyframes brand-blink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(0.7); }
}
.brand:hover .brand-mark {
    transform: rotate(-12deg);
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.08),
        0 12px 30px -6px rgba(79,227,255,0.55);
}
.brand-text { white-space: nowrap; }
.brand-text-accent {
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    gap: 4px;
    align-items: center;
}
.topbar-link {
    color: var(--text-dim);
    padding: 7px 12px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 140ms var(--ease), background 140ms var(--ease), border-color 140ms var(--ease);
    border: 1px solid transparent;
}
.topbar-link:hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
}
.topbar-link-primary {
    border-color: var(--border-strong);
    color: var(--text);
    background: rgba(255,255,255,0.02);
}
.topbar-link-primary:hover {
    border-color: rgba(139,124,255,0.5);
    background: rgba(139,124,255,0.08);
    color: var(--text);
}

.hamburger {
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}
.hamburger span {
    display: block;
    width: 16px;
    height: 1.5px;
    background: var(--text);
    border-radius: 2px;
}

/* ─────────── Body grid ─────────── */
.shell-body {
    flex: 1;
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    position: relative;
}
.main-pane {
    padding: 40px 48px 96px;
    min-width: 0;
}
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: var(--topbar-h) 0 0 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 30;
}

/* ─────────── Sidebar ─────────── */
.sidebar {
    border-right: 1px solid rgba(255,255,255,0.04);
    background: rgba(13,13,17,0.4);
    backdrop-filter: blur(8px);
    padding: 28px 18px 48px;
    overflow-y: auto;
    height: calc(100vh - var(--topbar-h));
    position: sticky;
    top: var(--topbar-h);
}
.sidebar-home {
    display: block;
    color: var(--text-dim);
    padding: 7px 10px;
    border-radius: 7px;
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 18px;
    transition: 140ms var(--ease);
}
.sidebar-home.active,
.sidebar-home:hover {
    color: var(--text);
    background: rgba(139,124,255,0.10);
}
.sidebar-section {
    margin-bottom: 22px;
}
.sidebar-section-label {
    text-transform: uppercase;
    letter-spacing: 0.10em;
    font-size: 10.5px;
    font-weight: 600;
    color: var(--text-mute);
    padding: 0 10px 8px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.sidebar-section-icon {
    font-size: 12px;
    line-height: 1;
    opacity: 0.8;
}
.sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.sidebar-link {
    display: block;
    padding: 6px 10px;
    border-radius: 7px;
    color: var(--text-dim);
    font-size: 13.5px;
    line-height: 1.4;
    margin-bottom: 1px;
    border-left: 2px solid transparent;
    transition: 140ms var(--ease);
}
.sidebar-link:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.sidebar-link.active {
    color: var(--text);
    background: linear-gradient(90deg, rgba(139,124,255,0.14), rgba(139,124,255,0.02));
    border-left-color: var(--accent);
    font-weight: 600;
}

/* ─────────── Search ─────────── */
.search-wrap { position: relative; width: 100%; max-width: 720px; }
.search-shell {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(17,17,22,0.7);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 11px 14px;
    transition: 180ms var(--ease);
    backdrop-filter: blur(12px);
}
.search-shell:focus-within {
    border-color: rgba(139,124,255,0.55);
    background: rgba(17,17,22,0.9);
    box-shadow: 0 0 0 4px rgba(139,124,255,0.12);
}
.search-icon { font-size: 14px; opacity: 0.6; }
.search-input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: 0;
    color: var(--text);
    font-size: 14.5px;
    min-width: 0;
}
.search-input::placeholder { color: var(--text-mute); }
.search-clear {
    background: transparent;
    border: 0;
    color: var(--text-mute);
    font-size: 18px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}
.search-clear:hover { color: var(--text); }

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(13,13,17,0.96);
    border: 1px solid var(--border-strong);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(14px);
    max-height: 60vh;
    overflow-y: auto;
    z-index: 40;
}
.search-empty {
    padding: 18px;
    color: var(--text-dim);
    font-size: 14px;
}
.search-result {
    display: block;
    padding: 13px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--text);
}
.search-result:last-child { border-bottom: 0; }
.search-result.active,
.search-result:hover { background: rgba(139,124,255,0.06); }
.search-result-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
    margin-bottom: 4px;
}
.search-result-title { font-weight: 600; font-size: 14px; color: var(--text); }
.search-result-section {
    color: var(--text-mute);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}
.search-result-snippet {
    color: var(--text-dim);
    font-size: 13px;
    line-height: 1.45;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ─────────── Home / hero ─────────── */
.home { max-width: var(--content-max); margin: 0 auto; }

/* Conic mesh hero — the whole panel is one big living gradient. */
.hero {
    position: relative;
    padding: 56px 44px 52px;
    margin: 8px 0 44px;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 22px;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(1100px 480px at 0% -10%, rgba(139,124,255,0.22), transparent 55%),
        radial-gradient(900px 420px at 100% 110%, rgba(79,227,255,0.18), transparent 60%),
        radial-gradient(500px 300px at 50% 130%, rgba(255,180,94,0.10), transparent 60%),
        linear-gradient(180deg, #0B0B10 0%, #0F0F15 100%);
    box-shadow: var(--shadow-lg);
}
/* Hairline grid overlay — fades out softly toward the edges. */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.7), transparent 80%);
    z-index: 0;
}
/* Soft floating orb for depth. */
.hero::after {
    content: "";
    position: absolute;
    top: -120px; right: -120px;
    width: 360px; height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139,124,255,0.30), transparent 70%);
    filter: blur(20px);
    pointer-events: none;
    z-index: 0;
    animation: orb-drift 18s ease-in-out infinite;
}
@keyframes orb-drift {
    0%, 100% { transform: translate(0, 0); }
    50%      { transform: translate(-30px, 40px); }
}
.hero > * { position: relative; z-index: 1; }
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--text);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 999px;
    padding: 6px 14px;
    margin-bottom: 24px;
    font-weight: 600;
    backdrop-filter: blur(8px);
}
.hero-eyebrow::before {
    content: "";
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--accent-3);
    box-shadow: 0 0 10px var(--accent-3);
    animation: hero-pulse 2.4s ease-in-out infinite;
}
@keyframes hero-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.45; transform: scale(0.7); }
}
.hero-title {
    font-size: clamp(32px, 4.6vw, 52px);
    line-height: 1.05;
    margin: 0 0 18px;
    letter-spacing: -0.035em;
    font-weight: 600;
    background: linear-gradient(180deg, #FFFFFF 0%, #B8B9CC 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    max-width: 18ch;
}
.hero-sub {
    color: var(--text-dim);
    font-size: 16.5px;
    line-height: 1.55;
    max-width: 640px;
    margin: 0 0 28px;
}
.hero-cta {
    color: var(--text-dim);
    font-size: 13.5px;
    margin-top: 18px;
}
.hero-cta a { color: var(--accent-2); font-weight: 500; }
.hero-link {
    background: transparent;
    border: 0;
    color: var(--accent-2);
    cursor: pointer;
    padding: 0;
    font: inherit;
    font-weight: 500;
}
.hero-link:hover { color: var(--accent); }

/* ── Stat strip just below the hero ── */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
    overflow: hidden;
    margin: -20px 0 44px;
    position: relative;
    z-index: 2;
}
.hero-stat {
    background: rgba(13,13,17,0.92);
    backdrop-filter: blur(12px);
    padding: 18px 22px;
}
.hero-stat-num {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.02em;
    background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
}
.hero-stat-label {
    color: var(--text-mute);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 6px;
    font-weight: 500;
}

.section { margin: 56px 0; }
.section-title {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin: 0 0 22px;
    color: var(--text-mute);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-title::before {
    content: "";
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}
.doc-card {
    position: relative;
    display: block;
    padding: 22px 22px 20px;
    background: linear-gradient(180deg, rgba(22,22,29,0.8) 0%, rgba(17,17,22,0.8) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    overflow: hidden;
    isolation: isolate;
    transition: transform 240ms var(--ease), border-color 240ms var(--ease),
                background 240ms var(--ease), box-shadow 240ms var(--ease);
}
.doc-card::before {
    /* Inner top highlight — gives the card a glassy lit edge. */
    content: "";
    position: absolute;
    top: 0; left: 12%; right: 12%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent, rgba(255,255,255,0.18), transparent);
    z-index: 1;
}
.doc-card::after {
    /* Animated gradient halo behind the card on hover. */
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(139,124,255,0.55) 0%,
        rgba(79,227,255,0.40) 50%,
        rgba(255,180,94,0.20) 100%);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0;
    transition: opacity 280ms var(--ease);
    z-index: -1;
}
.doc-card:hover {
    background: linear-gradient(180deg, rgba(28,28,38,0.85) 0%, rgba(20,20,28,0.85) 100%);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 20px 40px -20px rgba(139,124,255,0.40);
}
.doc-card:hover::after { opacity: 1; }
.doc-card-tag {
    display: inline-block;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: var(--accent-2);
    background: rgba(79,227,255,0.08);
    border: 1px solid rgba(79,227,255,0.22);
    padding: 3px 9px;
    border-radius: 999px;
    margin-bottom: 14px;
    font-weight: 600;
}
.doc-card-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}
.doc-card-excerpt {
    color: var(--text-dim);
    font-size: 13.5px;
    margin: 0 0 16px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.doc-card-cta {
    color: var(--text-dim);
    font-size: 13px;
    font-weight: 500;
    transition: color 180ms var(--ease), transform 180ms var(--ease);
    display: inline-block;
}
.doc-card:hover .doc-card-cta {
    color: var(--accent-2);
    transform: translateX(2px);
}

.all-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
}
.all-section-label {
    text-transform: uppercase;
    letter-spacing: 0.10em;
    font-size: 11px;
    color: var(--text-mute);
    margin-bottom: 10px;
    font-weight: 600;
}
.all-section-list {
    list-style: none;
    margin: 0; padding: 0;
}
.all-section-list li { padding: 5px 0; }
.all-section-list a {
    color: var(--text-dim);
    font-size: 14px;
    transition: color 140ms var(--ease), padding-left 180ms var(--ease);
}
.all-section-list a:hover {
    color: var(--text);
    padding-left: 4px;
}

/* ─────────── Doc page ─────────── */
.doc-page { max-width: var(--content-max); margin: 0 auto; }
.breadcrumb {
    color: var(--text-mute);
    font-size: 12.5px;
    margin-bottom: 18px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}
.crumb { display: inline-flex; align-items: center; }
.crumb-sep { padding: 0 8px; color: var(--text-mute); opacity: 0.6; }
.doc-page-search { margin: 0 0 32px; }
.doc-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.doc-pager-cell.right { justify-self: end; text-align: right; }
.doc-pager-link {
    display: block;
    padding: 16px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    min-width: 240px;
    transition: 200ms var(--ease);
}
.doc-pager-link:hover {
    border-color: rgba(139,124,255,0.4);
    background: var(--bg-elev);
    transform: translateY(-2px);
}
.doc-pager-dir {
    display: block;
    color: var(--text-mute);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    margin-bottom: 6px;
    font-weight: 600;
}
.doc-pager-title {
    color: var(--text);
    font-weight: 600;
    font-size: 14.5px;
    letter-spacing: -0.01em;
}

/* ─────────── Markdown body ─────────── */
.markdown-body {
    font-size: 15.5px;
    line-height: 1.72;
    color: var(--text);
    word-wrap: break-word;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5 {
    line-height: 1.2;
    margin: 36px 0 14px;
    color: var(--text);
    font-weight: 600;
    letter-spacing: -0.02em;
}
.markdown-body h1 {
    font-size: clamp(28px, 3.6vw, 38px);
    border-bottom: 1px solid var(--border);
    padding-bottom: 14px;
    margin-top: 8px;
    letter-spacing: -0.025em;
}
.markdown-body h2 { font-size: 22px; }
.markdown-body h3 { font-size: 18px; }
.markdown-body p  { margin: 0 0 16px; color: var(--text); }
.markdown-body ul, .markdown-body ol { padding-left: 22px; margin: 0 0 16px; }
.markdown-body li { margin-bottom: 5px; }
.markdown-body blockquote {
    border-left: 2px solid var(--accent);
    background: linear-gradient(90deg, rgba(139,124,255,0.05), transparent 80%);
    color: var(--text-dim);
    padding: 12px 16px;
    margin: 18px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.markdown-body code {
    background: var(--code-bg);
    border: 1px solid var(--border);
    padding: 1.5px 6px;
    border-radius: 5px;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 12.5px;
    color: var(--accent-2);
}
.markdown-body pre {
    background: var(--code-bg) !important;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    overflow-x: auto;
    margin: 18px 0;
    box-shadow: var(--shadow-sm);
}
.markdown-body pre code {
    background: transparent;
    border: 0;
    padding: 0;
    color: var(--text);
    font-size: 13px;
    line-height: 1.6;
}
.markdown-body hr { border: 0; border-top: 1px solid var(--border); margin: 28px 0; }
.markdown-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 18px 0;
    font-size: 14px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}
.markdown-body th, .markdown-body td {
    border-bottom: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}
.markdown-body th { background: var(--bg-card); font-weight: 600; color: var(--text-dim); text-transform: uppercase; font-size: 11.5px; letter-spacing: 0.06em; }
.markdown-body tr:last-child td { border-bottom: 0; }
.markdown-body img { max-width: 100%; border-radius: var(--radius-sm); }
.md-img-stub {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px dashed var(--border-strong);
    color: var(--text-mute);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 12.5px;
}

/* ─────────── Footer ─────────── */
.footer {
    padding: 22px 24px;
    color: var(--text-mute);
    font-size: 12px;
    border-top: 1px solid rgba(255,255,255,0.04);
    background: rgba(8,8,12,0.4);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    gap: 8px;
}
.footer-sep { opacity: 0.4; }

.not-found { padding: 80px 0; text-align: center; }
.not-found h1 {
    font-size: 96px;
    margin: 0;
    background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.04em;
    font-weight: 700;
}

/* ─────────── Responsive (≤ 960px) ─────────── */
@media (max-width: 960px) {
    .hamburger { display: inline-flex; }
    .shell-body { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed;
        top: var(--topbar-h);
        left: 0;
        bottom: 0;
        width: min(85vw, 320px);
        z-index: 35;
        transform: translateX(-100%);
        transition: transform 260ms var(--ease);
        height: auto;
    }
    .shell-body.sidebar-open .sidebar { transform: translateX(0); }
    .shell-body.sidebar-open .sidebar-backdrop { display: block; }
    .main-pane { padding: 28px 20px 72px; }
    .hero { padding: 40px 28px 36px; border-radius: 18px; }
    .hero-stats { margin-top: -10px; }
}