/* ============================================================
   Spark 2.0 — additions & polish on top of dashboard.css
   ============================================================ */

:root {
    --spark-glow: 0 0 24px rgba(118, 185, 0, 0.18);
    --radius-lg: 14px;
}

/* ---------- matrix rain backdrop ---------- */
#matrix-rain {
    position: fixed;
    inset: 0;
    z-index: -1;            /* behind all content, above the page background */
    pointer-events: none;
    overflow: hidden;       /* clip the over-sized parallax layer canvases */
}
#matrix-rain canvas {
    position: absolute;
    top: 0;
    left: 0;
    will-change: transform; /* each depth layer drifts on its own transform */
}

/* ---------- brand wordmark ---------- */
.brand {
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.brand .dot-accent { color: var(--accent); }
.brand-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-top: -2px;
}
.build-tag {
    display: inline-block;
    margin-left: 4px;
    padding: 1px 6px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    vertical-align: middle;
}

/* ---------- login page ---------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(900px 500px at 50% -10%, rgba(118,185,0,0.10), transparent 70%),
        var(--bg-primary);
}
.login-card {
    width: 400px;
    max-width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    box-shadow: var(--shadow), var(--spark-glow);
}
.login-card .brand { font-size: 2rem; }
.login-logo {
    width: 46px; height: 46px;
    margin-bottom: 18px;
}
.login-title { font-size: 1.15rem; font-weight: 700; margin: 18px 0 6px; }
.login-hint { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 20px; }
.login-msg {
    margin-top: 14px; padding: 10px 12px; border-radius: var(--radius-sm);
    font-size: 0.86rem; display: none;
}
.login-msg.ok  { display:block; background: rgba(118,185,0,0.12); color: var(--accent);
                  border: 1px solid rgba(118,185,0,0.3); }
.login-msg.err { display:block; background: rgba(217,83,79,0.12); color: var(--danger-hover);
                  border: 1px solid var(--danger); }
.login-card .btn-primary { width: 100%; justify-content: center; padding: 10px; }
.login-foot { margin-top: 22px; font-size: 0.75rem; color: var(--text-muted); text-align: center; }

/* ---------- hardware showcase ---------- */
.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}
.spec-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}
.spec-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.spec-card::after {
    content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
}
.spec-icon { margin-bottom: 8px; line-height: 0; color: var(--accent); }
.spec-icon svg { display: block; }
.spec-name {
    font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--text-muted); font-weight: 700;
}
.spec-value { font-size: 1.55rem; font-weight: 800; margin: 4px 0 2px; }
.spec-detail { font-size: 0.82rem; color: var(--text-secondary); }
.spec-live {
    margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border);
    display: flex; justify-content: space-between; font-size: 0.82rem;
}
.spec-live .lv { color: var(--text-muted); }
.spec-live .lq { font-weight: 700; }

/* ---------- gpu ring gauge ---------- */
.gauge-ring { display: flex; gap: 22px; flex-wrap: wrap; }
.ring {
    --pct: 0;
    width: 116px; height: 116px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: conic-gradient(var(--accent) calc(var(--pct)*1%), var(--border) 0);
    flex-shrink: 0;
}
.ring.warn { background: conic-gradient(var(--warning) calc(var(--pct)*1%), var(--border) 0); }
.ring.crit { background: conic-gradient(var(--danger)  calc(var(--pct)*1%), var(--border) 0); }
.ring-inner {
    width: 92px; height: 92px; border-radius: 50%;
    background: var(--bg-card);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ring-val { font-size: 1.5rem; font-weight: 800; }
.ring-lbl { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em;
            color: var(--text-muted); }

/* ---------- system telemetry ---------- */
.telemetry-box { display: flex; flex-wrap: wrap; padding: 0; }
.telemetry-section {
    flex: 1 1 150px;
    min-width: 150px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: flex-start;
    gap: 13px;
    padding: 24px 18px;
}
.telemetry-section + .telemetry-section { border-left: 1px solid var(--border); }
.telemetry-label {
    font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.14em;
    color: var(--text-muted);
}
.telemetry-ring { display: flex; min-height: 108px; align-items: center; }
.telemetry-stat {
    font-size: 0.8rem; color: var(--text-secondary); text-align: center;
}
@media (max-width: 760px) {
    .telemetry-box { flex-direction: column; }
    .telemetry-section + .telemetry-section {
        border-left: none; border-top: 1px solid var(--border);
    }
}

/* ---------- live utilisation graph ---------- */
.usage-graph { display: block; width: 100%; height: 170px; }

/* ---------- benchmark comparison ---------- */
.bench-cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 22px; }
@media (max-width: 1000px) { .bench-cols { grid-template-columns: 1fr; } }
.bench-side {
    border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px 20px;
    background: var(--bg-card);   /* opaque — matrix backdrop must not bleed through */
}
.bench-side.current {
    border-color: rgba(118,185,0,0.35);
    background: linear-gradient(rgba(118,185,0,0.04), rgba(118,185,0,0.04)), var(--bg-card);
}
.bench-foot {
    font-size: .82rem; color: var(--t2, var(--text-secondary)); line-height: 1.6;
    border-top: 1px solid var(--border); padding-top: 12px; margin-top: 4px;
}
.bench-foot .star { color: var(--accent); font-weight: 700; }
.bench-side h3 { font-size: 1.05rem; font-weight: 700; }
.bench-side .sub { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.bench-metric { margin-top: 14px; }
.bench-metric .ml {
    display: flex; justify-content: space-between; font-size: 0.82rem;
    color: var(--text-secondary); margin-bottom: 4px;
}
.bench-metric .ml b { color: var(--text-primary); font-size: 0.95rem; }
.bar { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 4px;
              background: var(--text-muted); transition: width 0.6s ease; }
.bench-side.current .bar > span { background: var(--accent); }
.bench-pending {
    color: var(--text-muted); font-style: italic; font-size: 0.85rem;
    text-align: center; padding: 30px 10px;
}
.delta-badge {
    display: inline-block; margin-left: 8px; padding: 1px 7px; border-radius: 10px;
    font-size: 0.72rem; font-weight: 700;
}
.delta-up   { background: rgba(118,185,0,0.16); color: var(--accent); }
.delta-down { background: rgba(217,83,79,0.16); color: var(--danger-hover); }

/* ---------- long-context scaling charts ---------- */
.ctx-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 6px 0 14px;
}
@media (max-width: 760px) { .ctx-charts { grid-template-columns: 1fr; } }
.ctx-chart { margin: 0; }
.ctx-chart figcaption {
    font-size: 0.74rem; font-weight: 700; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 5px;
}
.ctx-svg {
    width: 100%; height: auto; display: block;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.ctx-grid { stroke: rgba(255, 255, 255, 0.06); stroke-width: 1; }
.ctx-ytick { fill: var(--text-muted); font-size: 9px; text-anchor: end; }
.ctx-xtick { fill: var(--text-secondary); font-size: 10px; text-anchor: middle; font-weight: 600; }
.ctx-pt    { fill: var(--text-primary); font-size: 9px; text-anchor: middle; font-weight: 700; }
.ctx-axis  { fill: var(--text-muted); font-size: 9px; text-anchor: middle; }

/* ---------- industry benchmark comparison ---------- */
.ind-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px;
    margin: 8px 0 4px;
}
@media (max-width: 760px) { .ind-charts { grid-template-columns: 1fr; } }
.ind-chart { margin: 0; }
.ind-chart figcaption {
    font-size: 0.82rem; font-weight: 700; color: var(--text-primary);
    margin-bottom: 12px; display: flex; align-items: baseline; gap: 8px;
}
.ind-sub {
    font-size: 0.66rem; font-weight: 700; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.06em;
}
.ind-row {
    display: grid;
    grid-template-columns: 116px 1fr 40px;
    align-items: center; gap: 10px; margin-bottom: 9px;
}
.ind-name {
    font-size: 0.82rem; color: var(--text-secondary);
    display: flex; align-items: center; gap: 6px;
}
.ind-badge {
    font-size: 0.58rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.04em; color: var(--accent);
    border: 1px solid rgba(118, 185, 0, 0.4); border-radius: 8px; padding: 0 5px;
}
.ind-track {
    height: 14px; background: var(--border);
    border-radius: 4px; overflow: hidden;
}
.ind-track > span {
    display: block; height: 100%; border-radius: 4px;
    background: var(--text-muted); transition: width 0.6s ease;
}
.ind-local .ind-track > span { background: var(--accent); }
.ind-local .ind-name { color: var(--text-primary); font-weight: 700; }
.ind-val {
    font-size: 0.82rem; font-weight: 700; color: var(--text-primary);
    text-align: right;
}
.ind-local .ind-val { color: var(--accent); }

/* ---------- role pill ---------- */
.pill {
    display: inline-block; padding: 2px 9px; border-radius: 10px;
    font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
}
.pill-admin { background: rgba(88,166,255,0.16); color: #58a6ff; }
.pill-user  { background: rgba(139,148,158,0.16); color: var(--text-secondary); }

/* ---------- chat rag toggle ---------- */
.chat-controls {
    display: flex; align-items: center; gap: 14px;
    font-size: 0.84rem; color: var(--text-secondary);
}
.switch { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; }
.switch input { display: none; }
.switch .track {
    width: 36px; height: 20px; border-radius: 11px; background: var(--border);
    position: relative; transition: background 0.2s;
}
.switch .track::after {
    content: ""; position: absolute; top: 2px; left: 2px;
    width: 16px; height: 16px; border-radius: 50%; background: var(--text-secondary);
    transition: transform 0.2s, background 0.2s;
}
.switch input:checked + .track { background: var(--accent-dim); }
.switch input:checked + .track::after { transform: translateX(16px); background: var(--accent); }
.rag-sources {
    font-size: 0.74rem; color: var(--text-muted); margin-top: 6px;
    border-top: 1px dashed var(--border); padding-top: 6px;
}

/* ---------- misc polish ---------- */
.muted-note { color: var(--text-muted); font-size: 0.82rem; }
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: 14px; }
.section-gap { margin-top: 22px; }
.inline-spinner { width: 14px; height: 14px; border: 2px solid var(--border);
    border-top-color: var(--accent); border-radius: 50%; display: inline-block;
    animation: spin 0.8s linear infinite; vertical-align: middle; }

/* ---------- API key info modal ---------- */
.modal.modal-wide { width: 620px; }
.copy-row {
    display: flex; align-items: center; gap: 8px;
}
.copy-row .copy-target {
    flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap;
    background: var(--bg-input, rgba(0,0,0,0.25)); border: 1px solid var(--border);
    border-radius: 6px; padding: 7px 10px; font-size: 0.8rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--text-primary);
}
.copy-block { position: relative; }
.copy-block pre.copy-target {
    margin: 0; overflow-x: auto; white-space: pre;
    background: var(--bg-input, rgba(0,0,0,0.25)); border: 1px solid var(--border);
    border-radius: 6px; padding: 12px 12px; font-size: 0.78rem; line-height: 1.5;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--text-primary);
}
.copy-block .copy-block-btn { position: absolute; top: 6px; right: 6px; }