.core-demo {
    --cd-ink: #edf0fb;
    --cd-muted: #b0b9cb;
    --cd-panel: #141b29;
    --cd-border: #323d51;
    color: var(--cd-ink);
    background: radial-gradient(ellipse at 12% 0%, #27233f 0%, transparent 48%),
        radial-gradient(ellipse at 100% 82%, #12313a 0%, transparent 39%), #101521;
    padding: clamp(54px, 7vw, 100px) 0;
    scroll-margin-top: 76px;
}
.core-demo .container { max-width: 1280px; }
.core-demo .cd-heading { max-width: 850px; margin-bottom: 32px; }
.core-demo .cd-kicker {
    color: #bfaeff; letter-spacing: .14em; font-size: .75rem; font-weight: 750;
    text-transform: uppercase; margin-bottom: 10px;
}
.core-demo .cd-heading h2 { color: #fff; font-size: clamp(2rem, 4.3vw, 3.45rem); line-height: 1.04; margin: 0 0 15px; }
.core-demo .cd-heading p { color: #cad1df; margin: 0; max-width: 735px; font-size: 1rem; }
.core-demo .cd-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
.core-demo .cd-card {
    --cd-accent: #bda9ff; --cd-tint: #2e2548; min-width: 0; padding: 20px;
    border: 1px solid var(--cd-border); border-radius: 20px; background: #171e2c;
    box-shadow: 0 18px 42px #070a1266;
}
.core-demo .cd-rose { --cd-accent: #ffb2ca; --cd-tint: #442b3d; }
.core-demo .cd-teal { --cd-accent: #77e5d0; --cd-tint: #163c3d; }
.core-demo .cd-amber { --cd-accent: #ffcf7c; --cd-tint: #453524; }
.core-demo .cd-card-header { display: flex; align-items: center; gap: 13px; }
.core-demo .cd-workflow-icon {
    flex: 0 0 48px; width: 48px; height: 48px; display: grid; place-items: center;
    border: 1px solid color-mix(in srgb, var(--cd-accent) 37%, transparent);
    border-radius: 14px; color: var(--cd-accent); background: var(--cd-tint);
}
.core-demo svg { width: 20px; height: 20px; }
.core-demo .cd-workflow-icon svg { width: 25px; height: 25px; }
.core-demo .cd-card-copy { flex: 1; min-width: 0; }
.core-demo .cd-route { color: var(--cd-accent); font: 600 .68rem/1.4 'JetBrains Mono', monospace; }
.core-demo .cd-card h3 { margin: 2px 0 0; color: #fff; font-size: clamp(1.12rem, 2vw, 1.44rem); line-height: 1.2; }
.core-demo .cd-case-number { color: var(--cd-accent); font: 700 1rem 'JetBrains Mono', monospace; opacity: .75; }
.core-demo .cd-detail { color: var(--cd-muted); font-size: .87rem; line-height: 1.45; margin: 12px 0 14px; min-height: 2.55em; }
.core-demo .cd-console { background: #0e1420; border: 1px solid var(--cd-border); border-radius: 13px; overflow: hidden; }
.core-demo .cd-console-top { display: flex; align-items: center; gap: 8px; padding: 9px 11px; background: #202938; font-size: .73rem; }
.core-demo .cd-core-mark {
    width: 21px; height: 21px; display: grid; place-items: center; border-radius: 6px;
    color: #131824; background: var(--cd-accent); font-weight: 900;
}
.core-demo .cd-core-project { margin-left: auto; color: #c7cfe0; font: .68rem 'JetBrains Mono', monospace; }
.core-demo .cd-console-body { display: grid; grid-template-columns: minmax(130px, .82fr) minmax(0, 1.42fr); }
.core-demo .cd-ingest { min-width: 0; padding: 10px; border-right: 1px solid var(--cd-border); background: #151d2b; }
.core-demo .cd-label { display: block; color: #aeb9cb; font-size: .66rem; font-weight: 750; text-transform: uppercase; letter-spacing: .07em; margin-bottom: 6px; }
.core-demo button { font: inherit; cursor: pointer; }
.core-demo button:disabled { cursor: default; opacity: .68; }
.core-demo :is(button, a, input, summary, [tabindex]):focus-visible { outline: 2px solid var(--cd-accent, #bfaeff); outline-offset: 3px; }
.core-demo .cd-drop {
    width: 100%; min-height: 59px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    padding: 6px; color: var(--cd-accent); background: var(--cd-tint); border: 1px dashed currentColor;
    border-radius: 8px; font-size: .69rem; line-height: 1.22;
}
.core-demo .cd-drop.cd-over { background: var(--cd-accent); color: #101521; }
.core-demo .cd-files { display: grid; gap: 4px; max-height: 112px; overflow: auto; margin-top: 7px; }
.core-demo .cd-file {
    display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 4px; align-items: center;
    padding: 4px; border: 1px solid #374256; border-radius: 5px; font-size: .66rem; min-width: 0;
}
.core-demo .cd-ext { color: var(--cd-accent); font: 600 .54rem 'JetBrains Mono', monospace; }
.core-demo .cd-filename { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.core-demo .cd-file button { background: none; border: 0; color: #cbd3e1; line-height: 1; padding: 1px 3px; }
.core-demo .cd-samples { color: #d0d8e8; font-size: .69rem; margin-top: 6px; }
.core-demo .cd-samples summary { cursor: pointer; }
.core-demo .cd-sample-list { display: grid; gap: 2px; padding-top: 5px; }
.core-demo .cd-sample-file { display: flex; align-items: start; gap: 4px; }
.core-demo .cd-sample-file button {
    min-width: 0; flex: 1; padding: 3px 2px; text-align: left; overflow-wrap: anywhere;
    color: var(--cd-accent); border: 0; background: transparent; font-size: .65rem; cursor: grab;
}
.core-demo .cd-sample-file a { color: #cdd7e9; }
.core-demo .cd-sample-file svg { width: 13px; height: 13px; }
.core-demo .cd-workspace { min-width: 0; display: flex; flex-direction: column; padding: 10px; }
.core-demo .cd-log {
    flex: 1; min-height: 94px; max-height: 135px; overflow: auto; padding: 1px 1px 6px;
    font-size: .74rem; line-height: 1.4; color: #c5cfdf; overflow-wrap: anywhere;
}
.core-demo .cd-log-empty { color: #aab7ca; max-width: 22em; margin: 4px 0; }
.core-demo .cd-log-line { margin: 0 0 5px; padding: 5px 7px; border-left: 2px solid #475368; }
.core-demo .cd-log-prompt { background: var(--cd-tint); border-color: var(--cd-accent); color: var(--cd-ink); border-radius: 4px; }
.core-demo .cd-log-done { color: #95efd7; border-color: #77e5d0; }
.core-demo .cd-log-warning { color: #ffcf92; border-color: #ffcf92; }
.core-demo .cd-log-error { color: #ffb4c0; border-color: #ffb4c0; }
.core-demo .cd-command { margin-top: auto; padding-top: 5px; }
.core-demo .cd-command-top { display: flex; align-items: baseline; justify-content: space-between; gap: 5px; }
.core-demo .cd-suggest { color: var(--cd-accent); border: 0; background: transparent; padding: 2px; font-size: .66rem; text-decoration: underline; }
.core-demo .cd-command-field { display: grid; grid-template-columns: minmax(0, 1fr) 37px; border: 1px solid #465269; border-radius: 7px; background: #161e2c; }
.core-demo .cd-command-input { min-width: 0; width: 100%; color: #f0f3fc; background: transparent; border: 0; padding: 8px; font-size: .75rem; }
.core-demo .cd-command-input::placeholder { color: #aab7ca; }
.core-demo .cd-send { display: grid; place-items: center; margin: 3px; padding: 3px; border: 0; border-radius: 5px; color: #121722; background: var(--cd-accent); }
.core-demo .cd-send svg { width: 15px; height: 15px; }
.core-demo .cd-card-actions, .core-demo .cd-result-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.core-demo :is(.cd-sample-run, .cd-download, .cd-apply, .cd-reset) {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    border: 1px solid transparent; border-radius: 8px; padding: 7px 10px; min-height: 35px;
    color: #121824; background: var(--cd-accent); font-size: .74rem; font-weight: 750;
}
.core-demo :is(.cd-sample-run, .cd-download) svg { width: 14px; height: 14px; }
.core-demo :is(.cd-apply, .cd-reset) { color: var(--cd-ink); background: transparent; border-color: #465269; }
.core-demo :is(.cd-apply, .cd-reset, .cd-results, .cd-file-input)[hidden] { display: none; }
.core-demo .cd-state { margin-left: auto; color: #c4cedf; font-size: .71rem; }
.core-demo .cd-state[data-phase="error"] { color: #ffb4c0; }
.core-demo .cd-state:is([data-phase="review"], [data-phase="applied"]) { color: #95efd7; }
.core-demo .cd-card[data-busy] .cd-workflow-icon { animation: cd-processing 1.1s ease-in-out infinite alternate; }
@keyframes cd-processing { to { box-shadow: 0 0 19px color-mix(in srgb, var(--cd-accent) 48%, transparent); } }
.core-demo .cd-results { margin-top: 14px; border-top: 1px solid var(--cd-border); padding-top: 12px; animation: cd-appear .24s ease-out; }
@keyframes cd-appear { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.core-demo .cd-result-tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 7px; }
.core-demo .cd-result-tabs button {
    padding: 5px 7px; border-radius: 6px; border: 1px solid #425168; background: #202b3c;
    color: #e5ebf9; font-size: .69rem;
}
.core-demo .cd-result-tabs button[aria-pressed="true"] { background: var(--cd-tint); color: var(--cd-accent); border-color: var(--cd-accent); }
.core-demo .cd-preview { color: #193047; background: #f8fafb; height: 214px; overflow: auto; border-radius: 8px; padding: 8px; font-size: .75rem; }
.core-demo .cd-preview a { color: #134c70; text-decoration: underline; }
.core-demo .cd-sheet { overflow-x: auto; }
.core-demo .cd-table { border-collapse: collapse; width: 100%; text-align: left; font-variant-numeric: tabular-nums; }
.core-demo .cd-table :is(th, td) { padding: 5px 7px; border-bottom: 1px solid #dce4eb; white-space: nowrap; }
.core-demo .cd-table th { color: white; background: #213d52; }
.core-demo .cd-table tr:nth-child(even) { background: #edf2f6; }
.core-demo .cd-paper { background: white; border-top: 3px solid #365c72; padding: 10px; }
.core-demo :is(.cd-paper-head, .cd-paper-foot) { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; color: #526577; padding: 6px 0; border-bottom: 1px solid #d3dde6; font-size: .65rem; }
.core-demo .cd-paper-foot { border-bottom: 0; border-top: 1px solid #d3dde6; margin-top: 12px; }
.core-demo .cd-preview h2 { color: #193047; font-size: 1.22rem; line-height: 1.2; margin: 8px 0; }
.core-demo .cd-preview h3 { color: #193047; font-size: .86rem; margin: 8px 0 3px; }
.core-demo .cd-preview p { margin: 4px 0 8px; }
.core-demo .cd-preview .cd-muted { color: #516779; }
.core-demo .cd-warning { padding: 7px 7px 7px 25px; background: #fff1dc; border-left: 2px solid #a45e20; margin: 6px 0; }
.core-demo :is(.cd-product-grid, .cd-metrics) { display: grid; grid-template-columns: repeat(auto-fit, minmax(116px, 1fr)); gap: 7px; margin: 8px 0; }
.core-demo :is(.cd-product, .cd-metrics>div) { padding: 7px; border: 1px solid #dce5ee; border-radius: 6px; background: #f3f6f8; }
.core-demo .cd-product img { display: block; width: 100%; height: 68px; object-fit: contain; border-radius: 4px; background: #edf1f4; }
.core-demo :is(.cd-product-price, .cd-metrics strong) { display: block; font-weight: 750; }
.core-demo .cd-photo-credit { font-size: .65rem; }
.core-demo .cd-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.core-demo .cd-footer { margin-top: 20px; color: #abb8cc; font-size: .77rem; }
.core-demo .cd-footer a { color: #c9bdff; text-decoration: underline; }
@media(max-width: 860px) {
    .core-demo .cd-grid { grid-template-columns: 1fr; }
    .core-demo .cd-detail { min-height: 0; }
}
@media(max-width: 420px) {
    .core-demo .cd-card { padding: 13px; border-radius: 14px; }
    .core-demo .cd-console-body { grid-template-columns: minmax(98px, .82fr) minmax(0, 1.2fr); }
    .core-demo :is(.cd-workspace, .cd-ingest) { padding: 7px; }
    .core-demo .cd-card-actions { gap: 6px; }
    .core-demo .cd-command-input { font-size: 16px; }
}
@media(prefers-reduced-motion: reduce) {
    .core-demo .cd-card[data-busy] .cd-workflow-icon, .core-demo .cd-results { animation: none; }
}