/* ══════════════════════════════════════════════════════════════════
   PENTESTING AGENT — ARCHITECTURE EXPLORER
   Free-fly 3D graph. Dark, committed single look. All UI is HTML overlay.
   ══════════════════════════════════════════════════════════════════ */

:root {
    --bg-0: #05070d;
    --bg-1: #0a0f1a;
    --panel: rgba(10, 15, 26, 0.82);
    --panel-solid: #0b1120;
    --border: rgba(120, 150, 200, 0.18);
    --border-strong: rgba(120, 150, 200, 0.35);

    /* Layer palette (must match LAYERS[] in scene.js) */
    --l1: #f43f5e;   /* Interaction  */
    --l2: #3b82f6;   /* Hybrid RAG   */
    --l3: #a855f7;   /* Memory       */
    --l4: #f0f6fc;   /* Turn Kernel (Platinum White) */
    --l5: #fb923c;   /* Subagents    */
    --l6: #22c55e;   /* Verification (Neon Green) */

    --text: #eef3fb;
    --text-dim: #9fb0c8;
    --text-faint: #61708a;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
}

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

html, body {
    width: 100%;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;                 /* guided tour scrolls the page (canvas is fixed) */
    background:
        radial-gradient(1200px 800px at 70% 20%, #0d1526 0%, transparent 60%),
        radial-gradient(1000px 900px at 20% 90%, #0b1322 0%, transparent 55%),
        var(--bg-0);
    font-family: var(--mono);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}
/* Free-explore mode: lock the page so scroll doesn't fight OrbitControls */
body.mode-free { overflow: hidden; }

/* Scroll spacer only matters during the guided tour */
body.mode-free .tour-spacer { display: none; }
.tour-spacer { width: 1px; pointer-events: none; }

#webgl-canvas {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    display: block;
    z-index: 1;
    cursor: grab;
}
#webgl-canvas:active { cursor: grabbing; }
#webgl-canvas.hovering { cursor: pointer; }

.webgl-fallback {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    color: var(--text-dim);
    font-size: 0.95rem;
    text-align: center;
    padding: 2rem;
}
.webgl-fallback[hidden] { display: none; }

/* ── TOP-RIGHT BUTTON GROUP (mode toggle + reset) ──────────────── */
.top-right {
    position: fixed;
    top: 1.4rem;
    right: 1.5rem;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
/* Icon-only reset button */
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px; padding: 0;
    background: rgba(9, 14, 24, 0.55);
    border: none;
    color: var(--text-dim);
    border-radius: 10px;
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.icon-btn:hover { background: rgba(34,211,238,0.16); color: #fff; }
.icon-btn:active { transform: translateY(1px); }
.icon-btn svg { width: 18px; height: 18px; display: block; }
/* GitHub profile shortcut */
.github-btn { background: rgba(9, 14, 24, 0.55); color: var(--text-dim); }
.github-btn:hover { background: rgba(255,255,255,0.15); color: #fff; }
.github-btn svg { width: 20px; height: 20px; }
/* npm shortcut keeps its brand mark */
.npm-btn { background: transparent; }
.npm-btn:hover { background: rgba(203,56,55,0.18); }
.npm-btn svg { width: 22px; height: 22px; border-radius: 5px; }

/* Language selector */
.lang-select {
    height: 38px;
    padding: 0 1.6rem 0 0.7rem;
    background: rgba(9, 14, 24, 0.55);
    color: var(--text);
    border: none;
    border-radius: 10px;
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 700;
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239fb0c8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    transition: background-color 0.18s ease, color 0.18s ease;
    max-width: 40vw;
}
.lang-select:hover { color: #fff; background-color: rgba(34,211,238,0.16); }
.lang-select option { background: var(--panel-solid); color: var(--text); }

/* Segmented view-mode toggle (guided ⇄ free) */
.mode-toggle {
    display: inline-flex;
    gap: 2px;
    padding: 2px;
    background: rgba(9, 14, 24, 0.55);
    border-radius: 12px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.mt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px; height: 34px; padding: 0;
    background: transparent;
    border: none;
    color: var(--text-dim);
    border-radius: 9px;
    cursor: pointer;
    transition: background 0.16s ease, color 0.16s ease;
}
.mt-btn svg { width: 17px; height: 17px; display: block; }
.mt-btn:hover { background: rgba(255,255,255,0.08); color: #fff; }
.mt-btn.active { background: var(--l1); color: #ffffff; }

/* ── PROGRESS RAIL + TOUR COUNTER (guided tour) ────────────────── */
.progress-rail {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 3px;
    z-index: 100;
    background: rgba(255,255,255,0.06);
    pointer-events: none;
}
.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--l1), var(--l2), var(--l3), var(--l5), var(--l6));
    box-shadow: 0 0 12px var(--l1);
    transition: width 0.05s linear;
}
body.mode-free .progress-rail { display: none; }

/* ── CENTER CAPTION (overview / intro stops) ───────────────────── */
.caption {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 45;
    width: min(720px, 88vw);
    text-align: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.caption.show { opacity: 1; }
.caption h2 {
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 1rem;
    background: linear-gradient(92deg, var(--l1), var(--l2) 55%, var(--l3));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 4px 30px rgba(244,63,94,0.25);
}
.caption p {
    font-size: clamp(0.85rem, 1.8vw, 1.02rem);
    line-height: 1.7;
    color: var(--text-dim);
    max-width: 52ch;
    margin: 0 auto;
}
.caption.caption-outro {
    width: min(840px, 92vw);
}
.caption.caption-outro h2 {
    font-size: clamp(1.5rem, 4vw, 2.4rem);
    margin-bottom: 1.1rem;
}
.caption.caption-outro p {
    font-size: clamp(0.88rem, 1.6vw, 1.08rem);
    line-height: 1.85;
    color: #cddcee;
    max-width: 65ch;
}

/* ── LEGEND (bottom-left) ──────────────────────────────────────── */
.legend {
    position: fixed;
    left: 1.5rem;
    bottom: 1.5rem;
    z-index: 40;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
}
/* Foldable toggle chip (collapsed by default) */
.legend-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(9, 14, 24, 0.6);
    color: var(--text-dim);
    border: none;
    border-radius: 9px;
    padding: 0.42rem 0.7rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 700;
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background 0.15s ease, color 0.15s ease;
}
.legend-toggle:hover { color: #fff; background: rgba(34,211,238,0.16); }
.legend-toggle svg { width: 14px; height: 14px; flex: none; }
.legend-toggle.filtered { color: #fff; }
.legend-toggle .chev { color: var(--text-faint); font-size: 0.7rem; }
.legend-toggle-label { white-space: nowrap; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; }
/* Expanded panel */
.legend-body {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
    background: rgba(9, 14, 24, 0.62);
    border-radius: 12px;
    padding: 0.7rem 0.8rem;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    max-height: 58vh;
    overflow-y: auto;
}
.legend-head {
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-top: 0.35rem;
    margin-bottom: 0.15rem;
    font-weight: 700;
}
.legend-head:first-child { margin-top: 0; }
.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--text-dim);
    cursor: pointer;
    padding: 0.12rem 0;
    transition: color 0.15s ease, opacity 0.15s ease;
    user-select: none;
}
.legend-item:hover { color: var(--text); }
.legend-item.active { color: #fff; }
.legend-item.dimmed { opacity: 0.35; }
.legend-swatch {
    width: 11px;
    height: 11px;
    border-radius: 3px;
    flex: none;
    box-shadow: 0 0 8px currentColor;
}
/* Lens swatch reads as a ring, so "views" differ from filled layer squares */
.legend-swatch.lens {
    background: transparent !important;
    border: 2px solid currentColor;
    border-radius: 50%;
    box-shadow: 0 0 6px currentColor;
}
.legend-count {
    margin-left: auto;
    font-size: 0.62rem;
    color: var(--text-faint);
    font-weight: 500;
}

/* ── NODE INFO (floating, borderless typography — no panel, no box) ── */
.node-info {
    position: fixed;
    left: 2.5rem;
    top: 50%;
    transform: translateY(-50%) translateX(-12px);
    z-index: 45;
    width: 32rem;
    max-width: calc(100vw - 5rem);
    pointer-events: none;              /* let user orbit-drag right through the text */
    opacity: 0;
    transition: opacity 0.32s cubic-bezier(0.2,0.8,0.2,1), transform 0.32s cubic-bezier(0.2,0.8,0.2,1);
}
.node-info.show {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}
.ni-layer {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 12px currentColor;
}
.ni-title {
    font-size: clamp(1.4rem, 2.4vw, 2.0rem);
    font-weight: 700;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 0.3rem;
    letter-spacing: -0.01em;
}
.ni-crate {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-bottom: 0.9rem;
    font-family: var(--mono);
    opacity: 0.75;
}
.ni-logic {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 1rem;
}
.ni-trace {
    font-size: 0.78rem;
    line-height: 1.5;
    /* color set dynamically by showInfo() to match the active layer */
    word-break: break-word;
    white-space: pre-wrap;
    padding-left: 0.8rem;
    border-left: 2px solid currentColor;
}

/* ── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width: 720px) {
    .legend { bottom: 1rem; left: 1rem; }
    /* On phones the description moves to the TOP so it never overlaps the
       bottom-left legend, and shrinks to fit. */
    .node-info {
        left: 1rem; right: 1rem; top: 3.9rem; bottom: auto;
        width: auto; max-height: 44vh; overflow-y: auto;
        transform: translateY(-8px);
        text-shadow: 0 1px 8px rgba(0,0,0,0.95), 0 0 14px rgba(0,0,0,0.85);
    }
    .node-info.show { transform: translateY(0); }
    .ni-layer { font-size: 0.6rem; margin-bottom: 0.35rem; }
    .ni-title { font-size: 1.2rem; }
    .ni-crate { font-size: 0.68rem; margin-bottom: 0.6rem; }
    .ni-logic { font-size: 0.82rem; line-height: 1.45; }
    .ni-trace { font-size: 0.72rem; }
    .top-right { top: 0.9rem; right: 1rem; }
    .lang-select { max-width: 28vw; }
    .caption { top: 40%; }
}