/* ==========================================================================
   DOCS.CSS — Documentation Series Layout
   ========================================================================== */

:root {
    --color-background: var(--kb-stage-bg, #050505);
    --color-surface: var(--color-surface, #0a0a0b);
    --color-primary: var(--color-primary, #00ff9d);
    --color-text: var(--color-text, #ffffff);
    --color-text-dim: var(--color-text-dim, #888888);
    --color-border: var(--color-border, #1a1a1a);
    --font-body: "Space Grotesk", sans-serif;
    --font-mono: "IBM Plex Mono", monospace;
    --font-heading: "Orbitron", sans-serif;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.8;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.docs-series-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
    padding: 40px 20px;
}

.docs-main-column {
    flex: 1;
    min-width: 0;
}

.back-container {
    padding: 40px 20px 0;
    max-width: 1400px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    transition: filter 0.2s;
}

.back-link:hover {
    filter: brightness(1.2);
}

h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.1;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.doc-card {
    background: var(--color-surface);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    padding: 32px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.doc-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.doc-card .badge {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 16px;
    opacity: 0.8;
}

.doc-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin: 0 0 12px;
    line-height: 1.3;
}

.doc-card p {
    font-size: 0.95rem;
    color: var(--color-text-dim);
    margin: 0 0 24px;
    flex-grow: 1;
}

.read-more {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    font-weight: 600;
}

/* ==========================================================================
   ARTICLE TYPOGRAPHY & SPACING
   ========================================================================== */

header .meta {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    opacity: 0.8;
    display: flex;
    gap: 20px;
    align-items: center;
    margin-top: 10px;
}

.docs-main-column>header {
    padding-bottom: 40px;
}

header .meta span:not(:last-child)::after {
    content: "|";
    color: var(--color-text-dim);
    margin-left: 20px;
}

.content section {
    margin-bottom: 60px;
}

.content h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 0;
    margin-bottom: 24px;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 12px;
}

.content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 20px;
}

.content li {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 12px;
}

.content .alert {
    background: rgba(0, 255, 157, 0.05);
    border-left: 3px solid var(--color-primary);
    padding: 20px 24px;
    margin: 30px 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.content .alert strong {
    color: var(--color-primary);
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
}

.glossary {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 30px;
}

.glossary-item b {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    letter-spacing: 1px;
    color: #fff;
    margin-bottom: 8px;
}

.glossary-item p {
    margin: 0 !important;
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
}

/* Sidebar Ads */
.docs-sidebar-ad {
    width: 300px;
    flex-shrink: 0;
}

.ad-vertical-placeholder {
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.2);
    font-family: var(--font-mono);
    font-size: 10px;
    text-align: center;
    padding: 20px;
    position: sticky;
    top: 40px;
}

/* ==========================================================================
   FOOTER STYLES
   ========================================================================== */

.docs-footer {
    padding: 60px 20px 40px;
    margin-top: 20px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-dim);
    text-align: center;
}

.footer-inner {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    height: 55px;
    width: auto;
    opacity: 0.95;
}

.footer-axiom {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    opacity: 0.6;
    font-weight: 400;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.footer-links a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 300;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-links a.active {
    color: var(--color-primary);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    opacity: 0.6;
    font-family: var(--font-mono);
}

.footer-social a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 300;
}

.footer-social a:hover {
    color: var(--color-primary);
}

.footer-copy {
    font-size: 0.8rem;
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .docs-series-wrapper {
        flex-direction: column;
    }

    .docs-sidebar-ad {
        width: 100%;
    }

    .ad-vertical-placeholder {
        height: 250px;
        position: static;
    }
}

@media (max-width: 600px) {
    .docs-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}

/* ==========================================================================
   LIGHT THEME OVERRIDES (Generic — triggered by .cm-theme-light class)
   ========================================================================== */
.cm-theme-light {
    color-scheme: light;
}

.cm-theme-light h1,
.cm-theme-light h2,
.cm-theme-light h3,
.cm-theme-light h4 {
    color: var(--color-text, #111) !important;
}

.cm-theme-light .content h2 {
    color: var(--color-primary) !important;
    border-bottom-color: rgba(0, 0, 0, 0.1) !important;
}

.cm-theme-light .doc-card h3 {
    color: var(--color-text, #111) !important;
}

.cm-theme-light .glossary-item b {
    color: var(--color-text, #111) !important;
}

.cm-theme-light .content p,
.cm-theme-light .content li {
    color: var(--color-text, #222) !important;
}

.cm-theme-light .badge {
    color: var(--color-primary) !important;
}

.cm-theme-light .footer-logo {
    filter: brightness(0) saturate(100%) !important;
}

.cm-theme-light .ad-vertical-placeholder {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
    color: rgba(0, 0, 0, 0.25);
}

.cm-theme-light .doc-card {
    border-color: rgba(0, 0, 0, 0.12);
}