/* code-brain.css - the code brain: the module graph, its side panels and the findings deck.
 *
 * Extracted from code-brain.html, which was over the 450-line limit almost
 * entirely because of this block and the script beside it. Left inline it was
 * also re-downloaded with every visit to the page and invisible to any tool
 * that reads stylesheets.
 */
        html, body { height: 100%; margin: 0; overflow: hidden; }
        body { background: var(--bg-primary, #06070f); }

        nav.cg-nav {
            position: fixed; top: 0; left: 0; right: 0; z-index: 30;
            display: flex; align-items: center; justify-content: space-between;
            padding: 14px 22px; gap: 16px;
            background: rgba(6,7,15,0.55); backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
        }
        nav.cg-nav .cg-left { display: flex; align-items: center; gap: 18px; }
        nav.cg-nav .nav-logo { font-weight: 800; font-size: 1.1rem; text-decoration: none;
            background: linear-gradient(120deg,var(--accent,#4f7cff),var(--accent-tertiary,#34e0c4));
            -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
        nav.cg-nav .cg-links { display: flex; gap: 14px; }
        nav.cg-nav .cg-links a { color: var(--text-secondary,#9aa4bf); text-decoration: none; font-size: 0.9rem; padding: 6px 10px; border-radius: 8px; transition: .2s; }
        nav.cg-nav .cg-links a:hover { color: var(--text-primary,#fff); background: var(--bg-card,rgba(255,255,255,0.05)); }
        nav.cg-nav .nav-cta { color: #0b0d18; font-weight: 600; font-size: 0.9rem; text-decoration: none; padding: 8px 16px; border-radius: 999px;
            background: linear-gradient(120deg,var(--accent,#4f7cff),var(--accent-tertiary,#34e0c4)); }
        @media (max-width: 820px) { nav.cg-nav .cg-links { display: none; } }

        #graph { position: absolute; inset: 0; z-index: 1; }

        .plate {
            position: fixed; inset: 56px 0 0 0; display: grid;
            grid-template-columns: minmax(0, 332px) minmax(0, 1fr);
            grid-template-rows: 100%;
        }
        .rail {
            border-right: 1px solid var(--border,rgba(255,255,255,0.09));
            background: var(--bg-secondary,#14100C);
            display: flex; flex-direction: column; min-height: 0; overflow-y: auto;
        }
        .stage { position: relative; min-height: 0; height: 100%; overflow: hidden; }
        .deck-hd { display: flex; justify-content: space-between; gap: 10px; padding: 9px 18px;
            border-bottom: 1px solid var(--border,rgba(255,255,255,0.09));
            border-top: 1px solid var(--border,rgba(255,255,255,0.09)); }
        .deck { overflow-y: auto; flex: 1; min-height: 0; }
        .drow { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
            padding: 11px 18px; background: none; border: 0; cursor: pointer; position: relative;
            border-bottom: 1px solid var(--border,rgba(255,255,255,0.07)); color: inherit; }
        .drow::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: transparent; }
        .drow:hover { background: rgba(192,132,87,0.08); }
        .drow[data-active="1"] { background: rgba(224,82,31,0.09); }
        .drow[data-active="1"]::before { background: var(--accent-secondary,#E0521F); }
        .drow .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
        .drow .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
            font-size: 0.92rem; }
        .drow .ct { font-family: var(--font-mono, ui-monospace, Menlo, monospace);
            font-size: 0.66rem; color: var(--text-tertiary,#6B5D51); flex: none; }
        .dback { font-family: var(--font-mono, ui-monospace, Menlo, monospace); font-size: 0.66rem;
            letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent,#C08457);
            background: none; border: 0; cursor: pointer; padding: 10px 18px; text-align: left; width: 100%;
            border-bottom: 1px solid var(--border,rgba(255,255,255,0.09)); }
        .dmeta { padding: 12px 18px; border-bottom: 1px solid var(--border,rgba(255,255,255,0.07));
            font-size: 0.84rem; color: var(--text-secondary,#A99584); }
        .dmeta a { color: var(--accent,#C08457); text-decoration: none;
            font-family: var(--font-mono, ui-monospace, Menlo, monospace); font-size: 0.68rem;
            letter-spacing: 0.09em; text-transform: uppercase; }

        .ro-lab { font-family: var(--font-mono, ui-monospace, Menlo, monospace);
            font-size: 0.66rem; letter-spacing: 0.15em; text-transform: uppercase;
            color: var(--text-tertiary,#6B5D51); }
        .readout { border-bottom: 1px solid var(--border,rgba(255,255,255,0.09)); }
        .ro-hd { display: flex; align-items: center; justify-content: space-between;
            padding: 10px 18px; border-bottom: 1px solid var(--border,rgba(255,255,255,0.09)); }
        .ro-live { font-family: var(--font-mono, ui-monospace, Menlo, monospace);
            font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase;
            color: var(--accent-secondary,#E0521F); }
        .ro-figs { display: grid; grid-template-columns: 1fr 1fr; }
        .ro-fig { padding: 12px 18px;
            border-right: 1px solid var(--border,rgba(255,255,255,0.09));
            border-bottom: 1px solid var(--border,rgba(255,255,255,0.09)); }
        .ro-fig:nth-child(2n) { border-right: 0; }
        .ro-fig:nth-last-child(-n+2) { border-bottom: 0; }
        .ro-fig .n { font-family: var(--font-mono, ui-monospace, Menlo, monospace);
            font-size: 1.35rem; font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
            color: var(--accent,#C08457); }
        .ro-fig .t { font-family: var(--font-mono, ui-monospace, Menlo, monospace);
            font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase;
            color: var(--text-tertiary,#6B5D51); margin-top: 2px; }
        @media (max-width: 980px) {
            .plate { grid-template-columns: 1fr; grid-template-rows: 54vh auto; }
            .rail { border-right: 0; order: 2; }
            .stage { order: 1; }
        }

        .dock {
            position: static; z-index: 20;
            display: flex; align-items: flex-start; gap: 12px; flex-direction: column;
            background: transparent; border: 0; border-radius: 0;
            border-bottom: 1px solid var(--border,rgba(255,255,255,0.09));
            padding: 14px 18px; color: var(--text-primary,#fff);
        }
        .dock .title { display: flex; flex-direction: column; gap: 1px; flex: none; }
        .dock h1 { font-size: 0.98rem; margin: 0; }
        .dock .sub { font-size: 0.72rem; color: var(--text-secondary,#9aa4bf); margin: 0; max-width: 340px; }
        .dock .search { display: flex; gap: 8px; flex: none; }
        .dock input {
            width: 190px; background: rgba(255,255,255,0.05); border: 1px solid var(--border,rgba(255,255,255,0.1));
            border-radius: 10px; padding: 8px 12px; color: #fff; font-size: 0.85rem; outline: none;
        }
        .dock input:focus { border-color: var(--accent,#4f7cff); }
        .dock select {
            background: rgba(255,255,255,0.05); border: 1px solid var(--border,rgba(255,255,255,0.1));
            border-radius: 10px; padding: 8px 10px; color: #fff; font-size: 0.8rem; outline: none; font-family: inherit; cursor: pointer;
        }
        .dock select:focus { border-color: var(--accent,#4f7cff); }
        /* The option popup renders on the OS's own surface - force a dark bg with
           light text so the entries aren't white-on-white and invisible. */
        .dock select option { background: #12151f; color: #fff; }
        .dock .stats { display: none; gap: 14px; font-size: 0.78rem; color: var(--text-secondary,#9aa4bf); flex-wrap: wrap; flex: none; }
        .dock .stats strong { color: var(--text-primary,#fff); font-variant-numeric: tabular-nums; }
        .btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
        .cg-btn {
            background: rgba(255,255,255,0.06); border: 1px solid var(--border,rgba(255,255,255,0.1));
            color: var(--text-primary,#fff); border-radius: 10px; padding: 8px 12px; font-size: 0.8rem;
            cursor: pointer; transition: .2s; font-family: inherit;
        }
        .cg-btn:hover { background: var(--accent,#4f7cff); border-color: var(--accent,#4f7cff); }
        .cg-btn:disabled { opacity: 0.35; cursor: not-allowed; }
        /* Compact icon-only controls - declutter the dock, add legible affordances. */
        .icon-btn {
            background: rgba(255,255,255,0.06); border: 1px solid var(--border,rgba(255,255,255,0.1));
            color: var(--text-primary,#fff); border-radius: 9px; width: 32px; height: 32px; padding: 0;
            display: inline-flex; align-items: center; justify-content: center; cursor: pointer; flex: none; transition: .2s;
        }
        .icon-btn:hover { background: var(--accent,#4f7cff); border-color: var(--accent,#4f7cff); }
        .icon-btn svg { width: 16px; height: 16px; }
        .icon-btn[aria-expanded="false"] { opacity: 0.55; }
        .dock .title-row { display: flex; align-items: center; gap: 10px; }
        .dock .title-row h1 { flex: 1 1 auto; }
        #dock-toggle svg { transition: transform .25s; }
        /* Collapsed: everything but the title line is hidden → dock shrinks to one row. */
        .dock.collapsed { padding-top: 8px; padding-bottom: 8px; }
        .dock.collapsed > *:not(.title) { display: none !important; }
        .dock.collapsed .sub { display: none; }
        .dock.collapsed #dock-toggle svg { transform: rotate(180deg); }
        .legend { display: flex; flex-direction: row; gap: 12px; font-size: 0.74rem; color: var(--text-secondary,#9aa4bf);
            flex: 1 1 auto; min-width: 0; overflow-x: auto; overflow-y: hidden; padding-bottom: 2px; }
        .legend .row { display: flex; align-items: center; gap: 6px; white-space: nowrap; flex: none; }
        .legend .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
        .legend::-webkit-scrollbar { height: 6px; }
        .legend::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 8px; }
        @media (max-width: 820px) { .dock .sub { display: none; } .dock input { width: 130px; } }

        /* Rail controls: labelled pills on one line, so the column reads as
           three grouped controls instead of two stray glyphs. */
        .tools { display: flex; flex-wrap: wrap; gap: 8px; }
        .tools .tool {
            font-family: var(--font-mono, ui-monospace, Menlo, monospace);
            font-size: 0.64rem; letter-spacing: 0.11em; text-transform: uppercase;
            color: var(--text-secondary, #A99584); text-decoration: none;
            background: none; border: 1px solid var(--border, rgba(255,240,228,0.09));
            border-radius: 999px; padding: 7px 13px; cursor: pointer; transition: .18s;
        }
        .tools .tool:hover { color: var(--text-primary, #F3EBE2); border-color: var(--accent, #C08457); }

        .hint {
            position: fixed; z-index: 20; bottom: 18px; left: 50%; transform: translateX(-50%);
            background: rgba(10,12,24,0.72); backdrop-filter: blur(18px);
            border: 1px solid var(--border,rgba(255,255,255,0.08)); border-radius: 999px;
            padding: 8px 18px; font-size: 0.78rem; color: var(--text-secondary,#9aa4bf); text-align:center;
        }
        .hint strong { color: var(--text-primary,#fff); font-weight: 600; }
        .loading-cg { position: fixed; inset: 0; z-index: 25; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 14px; color: var(--text-secondary,#9aa4bf); background: var(--bg-primary,#06070f); }
        .spinner { width: 42px; height: 42px; border: 3px solid rgba(255,255,255,0.1); border-top-color: var(--accent,#4f7cff); border-radius: 50%; animation: spin 0.9s linear infinite; }
        @keyframes spin { to { transform: rotate(360deg); } }
        .toast { position: fixed; z-index: 26; bottom: 64px; left: 50%; transform: translateX(-50%); background: rgba(10,12,24,0.9); border:1px solid var(--border,rgba(255,255,255,0.12)); border-radius:10px; padding:8px 16px; font-size:0.8rem; color:#fff; opacity:0; transition:opacity .25s; pointer-events:none; }
        .toast.show { opacity: 1; }
        .graph-tooltip { background: transparent !important; padding: 0 !important; font-family: inherit !important; }
        .hovercard { background: rgba(12,15,28,0.95); border: 1px solid var(--border,rgba(255,255,255,0.14)); border-radius: 12px;
            padding: 11px 13px; min-width: 150px; max-width: 260px; box-shadow: 0 10px 30px rgba(0,0,0,0.45); text-align: left; }
        .hovercard .hc-kind { font-size: 0.62rem; text-transform: uppercase; letter-spacing: 1px; color: var(--accent-tertiary,#34e0c4); }
        .hovercard .hc-name { font-size: 0.95rem; font-weight: 700; color: #fff; margin: 3px 0 6px; line-height: 1.25; }
        .hovercard .hc-sub { font-size: 0.76rem; color: var(--text-secondary,#9aa4bf); margin-bottom: 6px; word-break: break-word; }
        .hovercard .hc-meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 0.72rem; color: var(--text-secondary,#9aa4bf); margin-bottom: 6px; }
        .hovercard .hc-pills { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
        .hovercard .hc-p { font-size: 0.66rem; font-weight: 600; padding: 1px 7px; border-radius: 999px; }
        .hovercard .hc-p.h { background: rgba(255,125,115,0.16); color: #ff9d95; }
        .hovercard .hc-p.m { background: rgba(240,179,85,0.16); color: #f0b355; }
        .hovercard .hc-p.l { background: rgba(99,179,255,0.16); color: #63b3ff; }
        .hovercard .hc-cta { font-size: 0.68rem; color: var(--accent,#4f7cff); font-weight: 600; }