/* Qubic Documentation - Manual Styles
   All selectors scoped under .qubic-documentation-content */

/* ─── Variables ──────────────────────────────────────────────────────────────── */
.qubic-documentation-content {
    --qd-primary: #c20019;
    --qd-primary-light: #d4002a;
    --qd-primary-dark: #9a0014;
    --qd-primary-glow: rgba(194, 0, 25, .08);
    --qd-blue: #3b82f6;
    --qd-green: #16a34a;
    --qd-bg: #ffffff;
    --qd-bg-alt: #f8f9fa;
    --qd-border: #e5e7eb;
    --qd-text: #111827;
    --qd-text-secondary: #374151;
    --qd-text-muted: #6b7280;
    --qd-radius: 8px;
    --qd-radius-lg: 12px;
    --qd-font-sans: "Space Grotesk", "Inter", system-ui, sans-serif;
    --qd-font-mono: "Consolas", "Fira Code", monospace;
}

/* ─── Base ───────────────────────────────────────────────────────────────────── */
.qubic-documentation-content {
    font-family: var(--qd-font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--qd-text);
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 48px 80px;
}

/* ─── Headings ───────────────────────────────────────────────────────────────── */
.qubic-documentation-content h1.chapter {
    font-size: 1.8em;
    color: var(--qd-text);
    padding-bottom: 12px;
    margin: 48px 0 24px;
    border-bottom: 2px solid rgba(194, 0, 25, .2);
}
.qubic-documentation-content h1.chapter:first-child { margin-top: 0; }
.qubic-documentation-content .chapter-num { color: var(--qd-primary); margin-right: 10px; }

.qubic-documentation-content h2.section {
    font-size: 1.35em;
    color: var(--qd-text);
    padding-bottom: 8px;
    margin: 36px 0 16px;
    border-bottom: 1px solid var(--qd-border);
}
.qubic-documentation-content .section-num { color: var(--qd-primary); margin-right: 8px; font-weight: 700; }

.qubic-documentation-content h3.subsection { font-size: 1.1em; color: var(--qd-text-secondary); margin: 28px 0 12px; }
.qubic-documentation-content .subsection-num { color: var(--qd-primary); margin-right: 6px; }

.qubic-documentation-content h4.subsubsection { font-size: 1em; font-weight: 600; color: var(--qd-text-secondary); margin: 20px 0 8px; }

.qubic-documentation-content p { margin: 8px 0; }

/* ─── Frames ─────────────────────────────────────────────────────────────────── */
.qubic-documentation-content .frame {
    border-radius: var(--qd-radius);
    margin: 20px 0;
    overflow: hidden;
    border: 1px solid;
    border-left: 3px solid;
}
.qubic-documentation-content .frame-header {
    padding: 10px 16px;
    font-weight: 700;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.qubic-documentation-content .frame-body { padding: 12px 16px; color: var(--qd-text-secondary); }
.qubic-documentation-content .frame-body:has(> .minipage),
.qubic-documentation-content .latex-figure:has(> .minipage) { display: flex; align-items: center; gap: 12px; }
.qubic-documentation-content .latex-figure:has(> .minipage) { margin: 15px 0; padding: 0; }
.qubic-documentation-content .frame-body .latex-figure:has(> .minipage) { margin: 0; }
.qubic-documentation-content .latex-figure > .minipage { padding: 0; }
.qubic-documentation-content .latex-figure > .minipage img { margin: 0 auto; }
.qubic-documentation-content .latex-figure > .minipage .manual-image { margin: 0 auto; display: block; }
.qubic-documentation-content .frame-body img { margin: 10px 0; }

.qubic-documentation-content .frame-info { background: #fff; border-color: var(--qd-border); border-left-color: #333; }
.qubic-documentation-content .frame-info .frame-header { color: #333; }

.qubic-documentation-content .frame-warning { background: #fff; border-color: var(--qd-border); border-left-color: var(--qd-primary); }
.qubic-documentation-content .frame-warning .frame-header { color: var(--qd-primary); }

.qubic-documentation-content .frame-tip { background: #fff; border-color: var(--qd-border); border-left-color: var(--qd-blue); }
.qubic-documentation-content .frame-tip .frame-header { color: var(--qd-blue); }

.qubic-documentation-content .frame-danger { background: #fef2f2; border-color: #fecaca; border-left-color: #dc2626; }
.qubic-documentation-content .frame-danger .frame-header { color: #dc2626; }

/* ─── Tables (tutorials) ─────────────────────────────────────────────────────── */
.qubic-documentation-content.qd-tutorial table {
    border-collapse: separate; border-spacing: 8px; margin: 16px 0; width: 100%;
}
.qubic-documentation-content.qd-tutorial td {
    padding: 6px 10px; vertical-align: top;
}

/* ─── Code blocks ────────────────────────────────────────────────────────────── */
.qubic-documentation-content pre {
    background: #f8f9fa; border: 1px solid var(--qd-border); border-radius: var(--qd-radius);
    padding: 12px 16px; overflow-x: auto; font-family: 'Consolas', 'Monaco', monospace; font-size: 0.9em;
    margin: 12px 0; line-height: 1.5;
}
.qubic-documentation-content code {
    background: #f1f3f5; padding: 2px 6px; border-radius: 3px;
    font-family: 'Consolas', 'Monaco', monospace; font-size: 0.9em;
}
.qubic-documentation-content pre code { background: none; padding: 0; border-radius: 0; }

/* Tutorial-specific colored frames */
.qubic-documentation-content.qd-tutorial .frame-warning { background: #fefce8; border-color: #fde68a; border-left-color: #f59e0b; }
.qubic-documentation-content.qd-tutorial .frame-warning .frame-header { color: #b45309; }
.qubic-documentation-content.qd-tutorial .frame-info { background: #f0fdf4; border-color: #bbf7d0; border-left-color: var(--qd-green); }
.qubic-documentation-content.qd-tutorial .frame-info .frame-header { color: var(--qd-green); }
.qubic-documentation-content.qd-tutorial .frame-tip { background: #eff6ff; border-color: #bfdbfe; border-left-color: var(--qd-blue); }
.qubic-documentation-content.qd-tutorial .frame-tip .frame-header { color: var(--qd-blue); }

/* ─── Lists ──────────────────────────────────────────────────────────────────── */
.qubic-documentation-content .latex-enumerate,
.qubic-documentation-content .latex-itemize { margin: 10px 0; padding-left: 25px; }
.qubic-documentation-content .latex-enumerate li,
.qubic-documentation-content .latex-itemize li { margin: 5px 0; }
.qubic-documentation-content .latex-enumerate { list-style-type: decimal; }
.qubic-documentation-content .latex-enumerate li::marker { color: var(--qd-primary); font-weight: bold; }

/* ─── Tables ─────────────────────────────────────────────────────────────────── */
.qubic-documentation-content .table-wrapper {
    margin: 20px 0;
    overflow-x: auto;
    border-radius: var(--qd-radius);
    border: 1px solid var(--qd-border);
}
.qubic-documentation-content .latex-table { border-collapse: collapse; width: 100%; font-size: 0.95em; }
.qubic-documentation-content .latex-table td,
.qubic-documentation-content .latex-table th {
    border: 1px solid var(--qd-border);
    padding: 10px 14px;
    vertical-align: top;
}
.qubic-documentation-content .latex-table tr:nth-child(even) { background: var(--qd-bg-alt); }
.qubic-documentation-content .latex-table th { background: var(--qd-primary); font-weight: 600; color: #fff; }

/* ─── Images ─────────────────────────────────────────────────────────────────── */
.qubic-documentation-content .manual-image {
    margin: 15px auto;
}
.qubic-documentation-content img {
    display: block;
    margin: 15px auto;
    border-radius: var(--qd-radius);
    max-width: 100%;
    height: auto;
}
.qubic-documentation-content .img-missing {
    background: #fef2f2;
    border: 2px dashed var(--qd-primary);
    padding: 20px;
    text-align: center;
    color: var(--qd-primary);
    border-radius: var(--qd-radius);
}
.qubic-documentation-content figure { margin: 15px 0; }
.qubic-documentation-content figcaption {
    text-align: center;
    font-style: italic;
    color: var(--qd-text-muted);
    margin-top: 5px;
    font-size: 0.9em;
}

/* ─── Code ───────────────────────────────────────────────────────────────────── */
.qubic-documentation-content .code-block {
    background: #1e1e2e;
    border: 1px solid var(--qd-border);
    border-radius: var(--qd-radius);
    padding: 16px;
    overflow-x: auto;
    font-family: var(--qd-font-mono);
    font-size: 0.85em;
    line-height: 1.5;
    color: #e2e8f0;
}

/* ─── Inline ─────────────────────────────────────────────────────────────────── */
.qubic-documentation-content .text-red { color: var(--qd-primary); }
.qubic-documentation-content .text-blue { color: var(--qd-blue); }
.qubic-documentation-content .text-center { text-align: center; }

.qubic-documentation-content a[href^="http"] { color: var(--qd-primary); text-decoration: none; border-bottom: 1px dotted rgba(194, 0, 25, .4); }
.qubic-documentation-content a[href^="http"]:hover { border-bottom-color: var(--qd-primary); }
.qubic-documentation-content .external-link { color: var(--qd-primary); text-decoration: none; border-bottom: 1px dotted rgba(194, 0, 25, .4); }
.qubic-documentation-content .external-link:hover { border-bottom-color: var(--qd-primary); }
.qubic-documentation-content .cross-ref { color: var(--qd-primary); text-decoration: none; border-bottom: 1px dotted rgba(194, 0, 25, .4); }
.qubic-documentation-content .cross-ref:hover { border-bottom-color: var(--qd-primary); }

.qubic-documentation-content .circled {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 2px solid var(--qd-primary);
    border-radius: 50%;
    color: var(--qd-primary);
    font-size: 0.85em;
    font-weight: bold;
}

.qubic-documentation-content .minipage { padding: 5px; }
.qubic-documentation-content sup.footnote { font-size: 0.8em; color: var(--qd-text-muted); }

.qubic-documentation-content .pdf-placeholder {
    background: var(--qd-bg-alt);
    border: 1px dashed var(--qd-border);
    padding: 15px;
    text-align: center;
    margin: 10px 0;
    border-radius: var(--qd-radius);
    color: var(--qd-text-muted);
}
.qubic-documentation-content .pdf-placeholder a { color: var(--qd-primary); }

.qubic-documentation-content .math { font-style: italic; font-family: 'Cambria Math', 'Times New Roman', serif; }
.qubic-documentation-content .math-block {
    font-style: italic;
    font-family: 'Cambria Math', 'Times New Roman', serif;
    text-align: center;
    padding: 16px;
    margin: 12px 0;
    background: var(--qd-bg-alt);
    border: 1px solid var(--qd-border);
    border-radius: var(--qd-radius);
}
.qubic-documentation-content .math-matrix {
    display: inline-flex; align-items: stretch; vertical-align: middle; margin: 0 4px;
}
.qubic-documentation-content .math-matrix-bracket {
    width: 5px; font-size: 0; color: transparent; flex-shrink: 0;
    border-top: 2px solid var(--qd-text, #111827);
    border-bottom: 2px solid var(--qd-text, #111827);
}
.qubic-documentation-content .math-matrix-bracket:first-child { border-left: 2px solid var(--qd-text, #111827); }
.qubic-documentation-content .math-matrix-bracket:last-child { border-right: 2px solid var(--qd-text, #111827); }
.qubic-documentation-content .math-matrix-body {
    display: inline-flex; flex-direction: column; align-items: center; padding: 2px 6px;
}
.qubic-documentation-content .math-matrix-row { padding: 1px 4px; white-space: nowrap; }
.qubic-documentation-content .math-frac {
    display: inline-flex; flex-direction: column; align-items: center;
    vertical-align: middle; margin: 0 2px; line-height: 1.2;
}
.qubic-documentation-content .math-frac-num { border-bottom: 1px solid currentColor; padding: 0 3px 2px; }
.qubic-documentation-content .math-frac-den { padding: 2px 3px 0; }

/* ─── TikZ placeholder ──────────────────────────────────────────────────────── */
.qubic-documentation-content .tikz-rendered { margin: 15px 0; text-align: center; }
.qubic-documentation-content .tikz-placeholder {
    background: #fffbeb;
    border: 2px dashed #ca8a04;
    padding: 20px;
    text-align: center;
    margin: 15px 0;
    border-radius: var(--qd-radius);
    color: #92400e;
    font-size: 14px;
}

/* ─── Search (in-manual) ─────────────────────────────────────────────────────── */
.qubic-documentation-content .search-highlight {
    background: rgba(194, 0, 25, .15);
    border-radius: 2px;
    padding: 0 2px;
}

/* ─── Lightbox ───────────────────────────────────────────────────────────────── */
.qubic-documentation-content .manual-image img.qd-zoomable { cursor: zoom-in; }
.qd-lightbox {
    position: fixed; inset: 0; z-index: 99999;
    background: rgba(0,0,0,.85); display: none; align-items: center; justify-content: center;
    cursor: zoom-out; opacity: 0; transition: opacity .2s;
}
.qd-lightbox.active { opacity: 1; }
.qd-lightbox img {
    max-width: 95vw; max-height: 95vh; object-fit: contain;
    border-radius: 4px; box-shadow: 0 4px 40px rgba(0,0,0,.5);
    cursor: default; margin: 0;
}
.qd-lightbox-close {
    position: absolute; top: 16px; right: 20px;
    background: none; border: none; color: #fff; font-size: 32px;
    cursor: pointer; opacity: .7; transition: opacity .2s; line-height: 1;
}
.qd-lightbox-close:hover { opacity: 1; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .qubic-documentation-content {
        padding: 20px 16px;
    }
    .qubic-documentation-content h1.chapter { font-size: 1.5em; }
}

@media print {
    .qubic-documentation-content { max-width: none; padding: 20px; }
    .qubic-documentation-content img { break-inside: avoid; }
}