/* ============================================================================
   Interactive case-study demos.
   Uses the site's existing token set, so dark/light comes for free.
   ============================================================================ */

.demo {
    margin: 0 0 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    overflow: hidden;
}
.demo-head {
    padding: 22px 26px 0;
}
.demo-tag {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 4px 9px;
    border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
    background: var(--accent-glow);
    border-radius: 100px;
    margin-bottom: 14px;
}
.demo-title {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.2;
    margin-bottom: 8px;
}
.demo-kicker {
    font-size: 0.94rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.demo-body { padding: 22px 26px 26px; }
.demo-caption {
    padding: 20px 26px 22px;
    border-top: 1px solid var(--border);
    background: var(--bg-elevated);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}
.demo-caption code, .demo-caption em { color: var(--text); }
.demo-caption code { font-family: var(--mono); font-size: 0.86em; }
.demo-caption em { font-style: normal; font-weight: 600; }
.demo-failed { display: none; }

/* --- switches -------------------------------------------------------------- */

.demo-switch { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.demo-switch button {
    flex: 1 1 0;
    min-width: 150px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-align: left;
    padding: 12px 15px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-muted);
    font: inherit;
    cursor: pointer;
    transition: var(--transition);
}
.demo-switch button:hover { border-color: var(--border-light); color: var(--text-secondary); }
.demo-switch button[aria-pressed="true"] {
    border-color: var(--accent);
    background: var(--accent-glow);
    color: var(--text);
}
.sw-name { font-size: 0.95rem; font-weight: 600; }
.demo-switch button[aria-pressed="true"] .sw-name { color: var(--text); }
.sw-sub { font-family: var(--mono); font-size: 0.68rem; color: var(--text-muted); }

.demo-action {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.82rem;
    padding: 11px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent);
    background: var(--accent-glow);
    color: var(--accent);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 18px;
}
.demo-action:hover { background: var(--accent); color: #fff; }

/* --- console / table ------------------------------------------------------- */

.demo-console {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-elevated);
}
.demo-console-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 13px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card-hover);
}
.demo-console-bar .dot { width: 9px; height: 9px; border-radius: 50%; display: block; }
.demo-console-bar .dot.r { background: #ef4444; }
.demo-console-bar .dot.y { background: #eab308; }
.demo-console-bar .dot.g { background: #22c55e; }
.demo-console-title {
    margin-left: 8px;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}
.demo-sql {
    padding: 15px 16px;
    font-family: var(--mono);
    font-size: 0.79rem;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-word;
}
.demo-sql .k { color: var(--accent); font-weight: 500; }
.demo-sql .c { color: var(--text-muted); opacity: 0.75; }

.demo-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    padding: 11px 16px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    font-size: 0.78rem;
}
.demo-facts.wide { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; }
.demo-facts span { display: inline-flex; align-items: center; gap: 7px; }
.demo-facts em { font-style: normal; color: var(--text-muted); font-family: var(--mono); font-size: 0.72rem; }
.demo-facts code { font-family: var(--mono); color: var(--text); }
.demo-facts code.good { color: #22c55e; }
.demo-facts code.bad { color: #ef4444; }

.demo-table { width: 100%; border-collapse: collapse; font-size: 0.83rem; }
.demo-table td {
    padding: 9px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}
.demo-table tr:last-child td { border-bottom: 0; }
.demo-table tr.foreign td { background: color-mix(in srgb, #ef4444 9%, transparent); }
.demo-table .campus { font-family: var(--mono); font-size: 0.76rem; color: var(--text-muted); }
.demo-table tr.foreign .campus { color: #ef4444; }
.demo-table .leak {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: #ef4444;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* --- verdict --------------------------------------------------------------- */

.demo-verdict {
    margin-top: 16px;
    padding: 13px 16px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--border-light);
    background: var(--bg-elevated);
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--text-secondary);
}
.demo-verdict strong { color: var(--text); }
.demo-verdict.good { border-left-color: #22c55e; background: color-mix(in srgb, #22c55e 8%, transparent); }
.demo-verdict.bad { border-left-color: #ef4444; background: color-mix(in srgb, #ef4444 8%, transparent); }
.demo-verdict.good strong { color: #22c55e; }
.demo-verdict.bad strong { color: #ef4444; }

/* --- big figure (fund) ----------------------------------------------------- */

.demo-figure { text-align: left; }
.demo-figure-label {
    display: block;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.demo-figure-value {
    display: block;
    font-family: var(--mono);
    font-size: clamp(1.9rem, 6vw, 2.9rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 22px;
    font-variant-numeric: tabular-nums;
}
.demo-bars { display: flex; flex-direction: column; gap: 11px; margin-bottom: 20px; }
.demo-bar { display: grid; grid-template-columns: 1fr; gap: 5px; }
.demo-bar-label { font-size: 0.83rem; color: var(--text-secondary); }
.demo-bar-track {
    display: block;
    height: 9px;
    border-radius: 100px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    overflow: hidden;
}
.demo-bar-track i { display: block; height: 100%; transition: width .45s cubic-bezier(.4,0,.2,1); }
.demo-bar.a .demo-bar-track i { background: var(--accent); }
.demo-bar.b .demo-bar-track i { background: #8b5cf6; }
.demo-bar.neg .demo-bar-track i { background: #ef4444; }
.demo-bar-value {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}
.demo-gap {
    display: flex;
    align-items: baseline;
    gap: 14px;
    flex-wrap: wrap;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--border-light);
    background: var(--bg-elevated);
}
.demo-gap.bad { border-left-color: #ef4444; background: color-mix(in srgb, #ef4444 8%, transparent); }
.demo-gap.good { border-left-color: #22c55e; background: color-mix(in srgb, #22c55e 8%, transparent); }
.demo-gap-value {
    font-family: var(--mono);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}
.demo-gap-text { flex: 1 1 260px; font-size: 0.85rem; line-height: 1.6; color: var(--text-secondary); }
.demo-gap-text strong { color: var(--text); }

/* --- scrubber / monitor / calendar ----------------------------------------- */

.demo-scrub { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.demo-scrub label {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.demo-scrub input[type=range] { flex: 1 1 200px; accent-color: var(--accent); min-width: 160px; }
.demo-scrub output {
    font-family: var(--mono);
    font-size: 0.95rem;
    color: var(--text);
    min-width: 3.5em;
    font-variant-numeric: tabular-nums;
}

.demo-monitor { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.demo-pill {
    font-family: var(--mono);
    font-size: 0.72rem;
    padding: 5px 11px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-muted);
}
.demo-pill.ok { color: #22c55e; border-color: color-mix(in srgb, #22c55e 40%, transparent); background: color-mix(in srgb, #22c55e 10%, transparent); }
.demo-pill.bad { color: #ef4444; border-color: color-mix(in srgb, #ef4444 45%, transparent); background: color-mix(in srgb, #ef4444 10%, transparent); }

.demo-calendar {
    display: grid;
    grid-template-columns: repeat(30, 1fr);
    gap: 3px;
    margin-bottom: 12px;
}
.cal-day {
    height: 30px;
    border-radius: 3px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    transition: background .18s, border-color .18s;
}
.cal-day.filled { background: var(--accent); border-color: var(--accent); }
.demo-slotline { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 16px; }
.demo-slotline strong { color: var(--text); }

.demo-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.86rem;
    color: var(--text-secondary);
    line-height: 1.55;
    cursor: pointer;
    padding: 12px 14px;
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-sm);
}
.demo-check input { margin-top: 2px; accent-color: var(--accent); }
.demo-check em { font-style: normal; color: var(--text); font-weight: 600; }

/* --- dials / terminal / reach (OTA) ---------------------------------------- */

.demo-dials { display: flex; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.demo-dial { flex: 1 1 180px; }
.demo-dial-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.demo-dial-label em { font-style: normal; font-family: var(--mono); color: var(--text-secondary); }
.demo-stepper {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-elevated);
}
.demo-stepper button {
    width: 40px;
    border: 0;
    background: var(--bg-card-hover);
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}
.demo-stepper button:hover { background: var(--accent); color: #fff; }
.demo-stepper code {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: 0.95rem;
    color: var(--text);
    padding: 10px 6px;
}

.demo-terminal {
    display: none;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: #0a0a0c;
    font-family: var(--mono);
    font-size: 0.76rem;
    line-height: 1.75;
    white-space: pre-wrap;
    margin-bottom: 18px;
    color: #d4d4d8;
}
.demo-terminal.is-on { display: block; }
.demo-terminal .t-dim { color: #71717a; }
.demo-terminal .t-ok { color: #22c55e; }
.demo-terminal .t-hi { color: #eab308; }

.demo-reach { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.demo-reach-label { font-size: 0.82rem; color: var(--text-muted); flex: 1 1 180px; }
.demo-reach-bar {
    flex: 2 1 180px;
    height: 10px;
    border-radius: 100px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    overflow: hidden;
}
.demo-reach-bar span { display: block; height: 100%; width: 0; transition: width .4s cubic-bezier(.4,0,.2,1); }
.demo-reach-bar span.good { background: #22c55e; }
.demo-reach-bar span.bad { background: #ef4444; }
.demo-reach-value { font-family: var(--mono); font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.demo-reach-value.good { color: #22c55e; }
.demo-reach-value.bad { color: #ef4444; }

/* --- progress (ingest) ------------------------------------------------------ */

.demo-progress {
    height: 10px;
    border-radius: 100px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    overflow: hidden;
}
.demo-progress span { display: block; height: 100%; width: 0; transition: width .5s cubic-bezier(.4,0,.2,1); }
.demo-progress span.good { background: #22c55e; }
.demo-progress span.warn { background: var(--accent); }
.demo-progress span.bad { background: #ef4444; }

/* --- stream / panel (task ids) ---------------------------------------------- */

.demo-split { display: grid; grid-template-columns: 1.35fr 1fr; gap: 14px; }
.demo-col-label {
    display: block;
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.demo-stream > div {
    height: 210px;
    overflow-y: auto;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    font-family: var(--mono);
    font-size: 0.72rem;
    line-height: 1.5;
}
.ev { padding: 3px 0; color: var(--text-muted); border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent); }
.ev:last-child { border-bottom: 0; }
.ev-k { color: var(--text-secondary); }
.ev-k.res { color: #eab308; }
.ev-k.upd { color: #8b5cf6; }
.ev-k.end { color: var(--text-muted); }
.ev-id { color: var(--text-secondary); }
.ev-id.hi { color: var(--accent); }
.ev.ok .ok { color: #22c55e; }
.ev.drop { color: var(--text-muted); }
.ev.drop .drop { color: #ef4444; }
.ev.late { color: #eab308; }

.demo-panel {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
}
.demo-panel-count {
    font-family: var(--mono);
    font-size: 1.7rem;
    color: var(--text);
    margin-bottom: 10px;
    font-variant-numeric: tabular-nums;
}
.demo-panel-bar {
    height: 8px;
    border-radius: 100px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 12px;
}
.demo-panel-bar span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s; }
.demo-dropped { display: none; font-size: 0.76rem; line-height: 1.55; color: var(--text-muted); }
.demo-dropped.is-on { display: block; }
.demo-dropped strong { color: #ef4444; font-size: 1rem; }
.demo-dropped code { font-family: var(--mono); color: var(--text-secondary); }

/* --- responsive ------------------------------------------------------------- */

@media (max-width: 720px) {
    .demo-head { padding: 18px 18px 0; }
    .demo-body { padding: 18px; }
    .demo-caption { padding: 16px 18px; }
    .demo-title { font-size: 1.2rem; }
    .demo-switch { flex-direction: column; }
    .demo-switch button { min-width: 0; }
    .demo-split { grid-template-columns: 1fr; }
    .demo-calendar { grid-template-columns: repeat(15, 1fr); }
    .cal-day { height: 22px; }
    .demo-facts { gap: 6px 14px; }
    .demo-table td { padding: 8px 12px; }
    .demo-table td:last-child { display: none; }
}

.demo-checks { display: flex; flex-direction: column; gap: 9px; }