/* Graph Studio–matched shell: blue ribbon, gray navigator, white canvas,
   colored bottom tabs, dark status bar. Scientific cards keep the MDS palette. */

.molecular-design-root {
  --pr-blue: #2f6bd4;
  --pr-blue-dk: #21508f;
  --pr-teal: #16a0a0;
  --pr-bg: #f4f6fa;
  --pr-surface: #ffffff;
  --pr-nav-bg: #eef1f6;
  --pr-line: #d7dce6;
  --pr-ink: #1f2733;
  --pr-ink-soft: #6c7686;
  --pr-hover: #e4ebf7;
  --pr-active: #d6e4fb;
  --pr-shadow: 0 1px 3px rgba(20, 40, 80, 0.12);
  --mds-ink: var(--pr-ink);
  --mds-muted: var(--pr-ink-soft);
  --mds-line: var(--pr-line);
  --mds-soft: var(--pr-bg);
  --mds-blue: var(--pr-blue);
  --mds-green: #0f9d76;
  --mds-purple: #7c3aed;
  --mds-pink: #db2777;
  --mds-amber: #d97706;
  /* studio.css styles .st-btn.primary with --st-accent, which nothing defines
     for this studio — without it every primary action is white-on-transparent
     and effectively invisible. Bind it to the studio's own blue. */
  --st-accent: var(--pr-blue);
  --mds-nav-w: 228px;
  --mds-inspector-w: 280px;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--pr-ink);
  background: var(--pr-bg);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
}
.dark .molecular-design-root {
  --pr-bg: #1a1d24;
  --pr-surface: #20242d;
  --pr-nav-bg: #181b21;
  --pr-line: #333a47;
  --pr-ink: #e8ecf3;
  --pr-ink-soft: #9aa5b5;
  --pr-hover: #2a3140;
  --pr-active: #2f3e58;
  --pr-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.mds-app {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: var(--pr-bg);
}
.mds-body { flex: 1; display: flex; min-height: 0; }
.mds-center { flex: 1; min-width: 0; display: flex; flex-direction: column; background: var(--pr-surface); }

/* ---- Ribbon ---- */
.mds-ribbon { background: var(--pr-surface); border-bottom: 1px solid var(--pr-line); box-shadow: var(--pr-shadow); z-index: 6; flex: 0 0 auto; }
.mds-ribbon-inner { display: flex; flex-direction: column; }
.mds-ribbon-strip {
  display: flex; align-items: stretch; gap: 10px;
  background: linear-gradient(180deg, var(--pr-blue), var(--pr-blue-dk));
  color: #fff; padding: 0 10px; height: 30px;
}
.mds-ribbon-brand { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 12.5px; letter-spacing: .2px; padding-right: 6px; white-space: nowrap; }
.mds-ribbon-mark { display: inline-flex; color: #bfe0ff; }
.mds-ribbon-mark svg { width: 14px; height: 14px; }
.mds-ribbon-tabs { display: flex; align-items: stretch; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.mds-ribbon-tabs::-webkit-scrollbar { display: none; }
.mds-ribbon-tab {
  border: none; background: transparent; color: rgba(255,255,255,.78);
  padding: 0 13px; font-size: 12px; font-weight: 600; cursor: pointer;
  border-radius: 6px 6px 0 0; line-height: 30px;
}
.mds-ribbon-tab:hover { background: rgba(255,255,255,.12); color: #fff; }
.mds-ribbon-tab.active { color: var(--pr-blue-dk); background: var(--pr-surface); }
.mds-ribbon-strip-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.mds-ribbon-ruo {
  font-size: 10px; font-weight: 800; letter-spacing: .06em;
  border: 1px solid rgba(255,255,255,.35); border-radius: 999px; padding: 1px 7px; color: #ffe8c7;
}
.mds-ribbon-state {
  font-size: 10px; font-weight: 650; padding: 1px 7px;
  border: 1px solid rgba(255,255,255,.35); border-radius: 4px; color: #eaf5ff; white-space: nowrap;
}
.mds-ribbon-body {
  display: flex; align-items: stretch; gap: 6px;
  padding: 5px 7px; overflow-x: auto; min-height: 0;
}
.mds-ribbon-group {
  display: flex; flex-direction: column; gap: 3px;
  padding: 3px 9px; border-radius: 8px;
  background: color-mix(in srgb, var(--pr-ink) 2.5%, transparent);
  border: 1px solid color-mix(in srgb, var(--pr-ink) 6%, transparent);
  flex: 0 0 auto;
}
.mds-ribbon-grouplabel {
  font-size: 9.5px; font-weight: 700; color: var(--pr-ink-soft);
  text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; line-height: 1.2;
}
.mds-ribbon-items { display: flex; align-items: stretch; gap: 2px; }
.mds-ribbon-smallcol { display: flex; flex-direction: column; justify-content: center; gap: 1px; padding: 0 2px; }
.mds-ribbon-smallcol + .mds-ribbon-smallcol { border-left: 1px solid var(--pr-line); padding-left: 7px; }
.mds-rib-big {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; width: 64px; min-height: 46px; padding: 4px 2px;
  border: 1px solid transparent; border-radius: 7px; background: transparent;
  color: var(--pr-ink); cursor: pointer; font-size: 10.5px; text-align: center; line-height: 1.1;
}
.mds-rib-big:hover { background: var(--pr-hover); border-color: var(--pr-line); }
.mds-rib-big .mds-rib-icon { color: var(--pr-blue); display: inline-flex; }
.mds-rib-big.primary { background: var(--pr-blue); border-color: var(--pr-blue); color: #fff; font-weight: 700; }
.mds-rib-big.primary .mds-rib-icon { color: #fff; }
.mds-rib-big.primary:hover { background: var(--pr-blue-dk); }
.mds-rib-big.accent { background: color-mix(in srgb, var(--pr-teal) 10%, transparent); border-color: color-mix(in srgb, var(--pr-teal) 25%, transparent); font-weight: 600; }
.mds-rib-big.accent .mds-rib-icon { color: var(--pr-teal); }
.mds-rib-label { white-space: nowrap; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.mds-rib-small {
  display: flex; align-items: center; gap: 5px;
  padding: 2px 7px 2px 4px; border: 1px solid transparent; border-radius: 5px;
  background: transparent; color: var(--pr-ink); cursor: pointer; font-size: 11px;
  text-align: left; min-height: 19px; white-space: nowrap;
}
.mds-rib-small:hover { background: var(--pr-hover); border-color: var(--pr-line); }
.mds-rib-small .mds-rib-icon-sm { color: var(--pr-blue); display: inline-flex; }
.mds-rib-icon svg, .mds-rib-icon-sm svg { display: block; }
.mds-rib-icon-sm svg { width: 13px; height: 13px; }

/* ---- Navigator ---- */
.mds-nav {
  width: var(--mds-nav-w); flex: 0 0 var(--mds-nav-w);
  background: var(--pr-nav-bg); border-right: 1px solid var(--pr-line);
  overflow: auto;
}
.mds-nav-resizer, .mds-inspector-resizer {
  flex: 0 0 6px; cursor: col-resize; background: transparent; z-index: 2;
}
.mds-nav-resizer:hover, .mds-nav-resizer.is-dragging,
.mds-inspector-resizer:hover, .mds-inspector-resizer.is-dragging {
  background: color-mix(in srgb, var(--pr-blue) 35%, transparent);
}
.mds-nav-searchwrap { padding: 6px 8px; position: sticky; top: 0; background: var(--pr-nav-bg); z-index: 2; }
.mds-nav-search {
  width: 100%; padding: 5px 9px; border: 1px solid var(--pr-line); border-radius: 6px;
  background: var(--pr-surface); color: var(--pr-ink); font-size: 12px;
}
.mds-nav-search:focus { outline: none; border-color: var(--pr-blue); }
.mds-nav-section {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px 4px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--pr-ink-soft);
}
.mds-nav-item {
  display: flex; align-items: center; gap: 6px; width: 100%;
  padding: 5px 8px 5px 10px; border: 0; border-left: 3px solid transparent;
  background: transparent; color: var(--pr-ink); cursor: pointer; text-align: left; font-size: 12.5px;
}
.mds-nav-item:hover { background: var(--pr-hover); }
.mds-nav-item.active { background: var(--pr-active); border-left-color: var(--mds-tint, var(--pr-blue)); font-weight: 650; }
.mds-nav-item.depth-1 { padding-left: 28px; font-size: 12px; color: var(--pr-ink-soft); }
.mds-nav-swatch {
  width: 8px; height: 8px; border-radius: 50%; flex: none;
  background: var(--mds-tint, var(--pr-blue));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--mds-tint, var(--pr-blue)) 18%, white);
}
.mds-nav-glyph { width: 28px; flex: none; font-size: 10px; font-weight: 800; color: var(--mds-tint, var(--pr-blue)); letter-spacing: .02em; }
.mds-nav-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mds-nav-meta { color: var(--pr-ink-soft); font-size: 10px; font-variant-numeric: tabular-nums; }

/* ---- Canvas + inspector ---- */
.mds-canvas {
  flex: 1; min-width: 0; overflow: auto;
  padding: 14px 18px 28px; background: var(--pr-surface);
}
.mds-inspector {
  width: var(--mds-inspector-w); flex: 0 0 var(--mds-inspector-w);
  background: var(--pr-nav-bg); border-left: 1px solid var(--pr-line);
  overflow: auto; padding: 10px;
}
.mds-inspector .st-card { margin-bottom: 10px; }

/* ---- Bottom sheet tabs + status ---- */
.mds-sheet-tabs {
  flex: 0 0 auto; display: flex; align-items: stretch;
  background: var(--pr-nav-bg); border-top: 1px solid var(--pr-line); min-height: 28px; padding: 0 8px;
}
.mds-tabs-bar, .mds-tabs-scroll { display: flex; flex: 1; min-width: 0; align-items: flex-end; gap: 2px; overflow-x: auto; }
.mds-tab {
  flex: 0 0 auto; display: inline-flex; align-items: center;
  border: 1px solid var(--pr-line); border-bottom: none;
  background: var(--pr-bg); color: var(--pr-ink-soft);
  padding: 5px 12px; border-radius: 6px 6px 0 0; font-size: 12px;
  cursor: pointer; white-space: nowrap; border-top: 3px solid transparent;
}
.mds-tab:hover { background: var(--pr-hover); }
.mds-tab.active { background: var(--pr-surface); color: var(--pr-ink); font-weight: 700; border-top-color: var(--mds-tint, var(--pr-blue)); }
.mds-statusbar {
  display: flex; align-items: center; gap: 10px; flex: 0 0 auto;
  padding: 3px 14px; min-height: 22px;
  background: var(--pr-blue-dk); color: rgba(255,255,255,.9); font-size: 11px;
}
.mds-status-message { flex: 0 1 auto; }
.mds-status-spacer { flex: 1; }
.mds-ruo { font-weight: 700; color: #ffe8c7; }
.mds-statusbar .mds-demo-badge {
  background: #fff7d6; border-color: #f4d76a; color: #7a4c00;
}
.mds-statusbar .mds-error-link { color: #fecaca; }

.mds-status-strip { display: none; }

.molecular-design-root .st-card {
  background: var(--pr-surface);
}
.molecular-design-root .st-input,
.molecular-design-root textarea.st-input,
.molecular-design-root select.st-input {
  background: var(--pr-surface);
  color: var(--pr-ink);
  border-color: var(--pr-line);
}

.mds-demo-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: #fff7d6;
  border: 1px solid #f4d76a;
  color: #7a4c00;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .04em;
}

.mds-error-link {
  border: 0;
  background: transparent;
  color: #b91c1c;
  text-decoration: underline;
  cursor: pointer;
}

.mds-figure-stage {
  margin: 0 0 16px;
  border: 1px solid var(--pr-line);
  border-radius: 10px;
  background: var(--pr-surface);
  box-shadow: var(--pr-shadow);
  overflow: hidden;
}
.mds-figure-stage-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 12px; border-bottom: 1px solid var(--pr-line);
  background: var(--pr-bg);
}
.mds-figure-stage-head strong { font-size: 13px; }
.mds-figure-stage-tools { display: flex; gap: 6px; flex-wrap: wrap; }
.mds-figure-stage .mds-viz-host,
.mds-figure-stage-body {
  border: 0; border-radius: 0; min-height: 180px;
  background: linear-gradient(180deg, #fff 0%, #f6f8fb 100%);
}
.mds-record-strip {
  display: flex; align-items: end; gap: 12px; flex-wrap: wrap;
  margin-bottom: 12px; padding: 8px 10px;
  border: 1px solid var(--pr-line); border-radius: 8px; background: var(--pr-bg);
}
.mds-record-strip .st-field { margin: 0; min-width: 160px; }
.mds-record-kind {
  display: inline-flex; align-items: center; height: 28px; padding: 0 8px;
  border-radius: 6px; font-size: 10px; font-weight: 800; letter-spacing: .04em;
  color: #fff; background: var(--mds-tint, var(--pr-blue));
}
.mds-enzyme-grid {
  display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 4px;
}
.mds-enzyme-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px; border: 1px solid var(--pr-line); border-radius: 999px;
  background: var(--pr-surface); color: var(--pr-ink); font-size: 11.5px; cursor: pointer;
}
.mds-enzyme-chip input { accent-color: var(--pr-blue); }
.mds-enzyme-chip:has(input:checked) {
  border-color: var(--pr-blue); background: var(--pr-active); font-weight: 650;
}
.mds-structure-viewport { cursor: grab; user-select: none; }
.mds-structure-viewport:active { cursor: grabbing; }
.mds-structure-viewport .mds-viz { min-width: 0; pointer-events: none; }
.mds-context-grid { display: none; }

.mds-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .9fr);
  gap: 24px;
  align-items: center;
  overflow: hidden;
  min-height: 220px;
  margin-bottom: 18px;
  padding: 22px 24px;
  border: 1px solid var(--pr-line);
  border-radius: 12px;
  background:
    radial-gradient(circle at 92% 4%, color-mix(in srgb, var(--pr-blue) 12%, transparent), transparent 34%),
    var(--pr-surface);
  box-shadow: var(--pr-shadow);
}

.mds-hero-copy { position: relative; z-index: 1; }

.mds-eyebrow {
  margin-bottom: 8px;
  color: #0f766e;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
}

.mds-hero h1,
.mds-workspace-head h1 {
  margin: 0;
  color: var(--pr-ink);
  letter-spacing: -.035em;
}

.mds-hero h1 {
  max-width: 620px;
  font-size: clamp(30px, 3.25vw, 48px);
  line-height: 1.02;
}

.mds-hero p {
  max-width: 760px;
  margin: 14px 0 20px;
  color: var(--pr-ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.mds-hero-actions,
.mds-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.mds-overview {
  position: relative;
  min-height: 226px;
  padding: 22px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 16px;
  background: rgba(255,255,255,.74);
  box-shadow: 0 18px 48px rgba(41, 53, 76, .1);
}

.mds-overview-grid {
  position: absolute;
  inset: 0;
  opacity: .52;
  background-image: linear-gradient(rgba(96,113,143,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(96,113,143,.07) 1px, transparent 1px);
  background-size: 22px 22px;
}

.mds-overview-flow { position: relative; display: flex; align-items: center; justify-content: space-between; min-height: 128px; }
.mds-flow-node { position: relative; display: grid; place-items: center; width: 84px; height: 84px; border: 1px solid currentColor; border-radius: 50%; background: #fff; box-shadow: 0 8px 24px color-mix(in srgb, currentColor 14%, transparent); }
.mds-flow-node > i { position: absolute; inset: 8px; border: 1px dashed currentColor; border-radius: inherit; opacity: .32; }
.mds-flow-node span { font-size: 11px; font-weight: 850; letter-spacing: .07em; }
.mds-flow-node b { font-size: 10px; font-weight: 650; opacity: .68; }
.mds-flow-node.dna { color: #0d9488; }
.mds-flow-node.rna { color: #7c3aed; }
.mds-flow-node.protein { color: #db2777; }
.mds-flow-link { display: flex; flex: 1; align-items: center; justify-content: space-evenly; height: 2px; margin: 0 7px; background: #d9dee8; }
.mds-flow-link i { width: 5px; height: 5px; border-radius: 50%; background: #9aa7b9; }

.mds-overview-footer { position: relative; display: grid; grid-template-columns: 1fr 112px auto; gap: 12px; align-items: center; margin-top: 14px; padding-top: 14px; border-top: 1px solid #e7ebf1; color: var(--mds-muted); font-size: 11px; }
.mds-overview-footer > div:first-child { display: flex; gap: 7px; align-items: center; }
.mds-overview-footer strong { color: #13705e; }
.mds-health-dot { width: 7px; height: 7px; border-radius: 50%; background: #10b981; box-shadow: 0 0 0 4px rgba(16,185,129,.12); }
.mds-mini-plot { display: flex; align-items: end; gap: 4px; height: 28px; }
.mds-mini-plot i { flex: 1; height: var(--h); border-radius: 2px 2px 0 0; background: linear-gradient(180deg, #2dd4bf, #0d9488); opacity: .65; }

.mds-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin: 0 2px 12px; }
.mds-section-heading > div > span { color: #0f766e; font-size: 10px; font-weight: 850; letter-spacing: .13em; }
.mds-section-heading h2 { margin: 4px 0 0; color: var(--mds-ink); font-size: 19px; letter-spacing: -.02em; }
.mds-section-heading small { color: var(--mds-muted); }
.mds-demo-heading { margin-top: 32px; }

.mds-workspace-grid,
.mds-demo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.mds-workspace-tile,
.mds-demo-card,
.mds-library-card,
.mds-integration {
  border: 1px solid var(--mds-line);
  border-radius: 14px;
  background: #fff;
  color: var(--mds-ink);
  text-align: left;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.mds-workspace-tile:hover,
.mds-demo-card:hover,
.mds-library-card:hover,
.mds-integration:hover {
  transform: translateY(-2px);
  border-color: #9db6d3;
  box-shadow: 0 10px 24px rgba(35, 64, 102, .1);
}

.mds-workspace-tile {
  position: relative;
  display: grid;
  gap: 6px;
  min-height: 132px;
  padding: 15px;
  overflow: hidden;
}

.mds-workspace-tile::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  width: 4px;
  height: 100%;
  background: var(--tile-accent);
}

.mds-workspace-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--tile-accent) 12%, white);
  color: var(--tile-accent);
  font-size: 10px;
  font-weight: 900;
}

.mds-workspace-tile strong { font-size: 15px; }
.mds-workspace-tile span:not(.mds-workspace-icon) { color: var(--mds-muted); line-height: 1.4; }
.mds-workspace-tile small { margin-top: auto; color: var(--tile-accent); font-weight: 700; }

.mds-demo-card {
  position: relative;
  display: grid;
  gap: 6px;
  min-height: 142px;
  padding: 14px 14px 13px;
  overflow: hidden;
}

.mds-demo-card span { color: var(--mds-muted); line-height: 1.35; }
.mds-demo-card small { margin-top: auto; color: var(--demo-accent); font-weight: 750; }
.mds-demo-card::after { content: ""; position: absolute; inset: auto 0 0; height: 3px; background: var(--demo-accent); }
.mds-demo-icon { display: grid; place-items: center; width: 34px; height: 28px; border-radius: 8px; background: color-mix(in srgb, var(--demo-accent) 11%, white); color: var(--demo-accent) !important; font-size: 9px; font-weight: 900; letter-spacing: .05em; }

.molecular-design-root .st-btn.primary { background: var(--pr-blue); border-color: var(--pr-blue); color: #fff; font-weight: 650; }
.molecular-design-root .st-btn.primary:hover { background: var(--pr-blue-dk); border-color: var(--pr-blue-dk); }

/* Per-workspace demo strip -------------------------------------------- */
.mds-demo-bar {
  margin: 0 0 14px;
  padding: 12px 14px 13px;
  border: 1px solid var(--mds-line);
  border-left: 3px solid var(--demo-accent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--demo-accent) 4%, #fff);
}

.mds-demo-bar-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.mds-demo-bar-label { color: var(--demo-accent); font-size: 9px; font-weight: 900; letter-spacing: .12em; }
.mds-demo-bar-head small { color: var(--mds-muted); font-size: 11px; }

.mds-demo-bar-chips { display: flex; flex-wrap: wrap; gap: 8px; }

.mds-demo-chip {
  display: grid;
  gap: 1px;
  min-width: 168px;
  max-width: 260px;
  padding: 8px 11px 9px;
  border: 1px solid var(--mds-line);
  border-radius: 10px;
  background: #fff;
  color: var(--mds-ink);
  text-align: left;
  cursor: pointer;
  transition: transform .14s ease, border-color .14s ease, box-shadow .14s ease;
}

.mds-demo-chip:hover { transform: translateY(-1px); border-color: var(--demo-accent); box-shadow: 0 6px 16px rgba(35, 64, 102, .1); }
.mds-demo-chip:focus-visible { outline: 2px solid var(--demo-accent); outline-offset: 2px; }
.mds-demo-chip strong { color: var(--demo-accent); font-size: 10px; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.mds-demo-chip span { color: var(--mds-ink); font-size: 12.5px; font-weight: 650; line-height: 1.3; }
.mds-demo-chip small { color: var(--mds-muted); font-size: 10px; }
.mds-demo-chip.active { border-color: var(--demo-accent); background: color-mix(in srgb, var(--demo-accent) 9%, #fff); box-shadow: inset 0 0 0 1px var(--demo-accent); }

.mds-demo-bar-answer { display: flex; align-items: center; gap: 10px; margin-top: 11px; padding-top: 10px; border-top: 1px dashed var(--mds-line); }
.mds-demo-bar-answer p { flex: 1; margin: 0; color: var(--mds-ink); font-size: 12.5px; line-height: 1.4; }
.mds-demo-answer-tag { flex: none; color: var(--demo-accent); font-size: 9px; font-weight: 900; letter-spacing: .1em; }

/* Home gallery, grouped by workspace ---------------------------------- */
.mds-demo-group { margin-top: 18px; }
.mds-demo-group-head { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.mds-demo-group-head strong { color: var(--mds-ink); font-size: 14px; }
.mds-demo-group-head small { flex: 1; color: var(--mds-muted); font-size: 11px; }
.mds-demo-group-code { display: grid; place-items: center; width: 32px; height: 24px; border-radius: 7px; background: color-mix(in srgb, var(--demo-accent) 12%, #fff); color: var(--demo-accent); font-size: 9px; font-weight: 900; letter-spacing: .05em; }

.mds-demo-goal { color: var(--demo-accent) !important; font-size: 10px; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.mds-demo-answer { color: var(--mds-muted); font-size: 11px; font-style: normal; line-height: 1.35; }
.mds-demo-card { min-height: 176px; }

.mds-demo-feature { display: grid; grid-template-columns: 150px 1fr auto; gap: 22px; align-items: center; margin-bottom: 18px; padding: 8px 8px 18px; border-bottom: 1px solid var(--mds-line); }
.mds-demo-feature strong { display: block; color: var(--mds-ink); font-size: 17px; }
.mds-demo-feature p { max-width: 620px; margin: 5px 0 0; color: var(--mds-muted); line-height: 1.45; }
.mds-demo-kicker { color: #7c3aed; font-size: 9px; font-weight: 900; letter-spacing: .12em; }
.mds-demo-feature-plot { display: flex; align-items: end; gap: 6px; height: 74px; padding: 10px 12px; border-radius: 10px; background: #f6f3ff; }
.mds-demo-feature-plot i { flex: 1; height: var(--bar); border-radius: 3px 3px 1px 1px; background: linear-gradient(180deg, #a78bfa, #7c3aed); opacity: .82; transition-delay: var(--delay); }

.mds-context-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin-top: 4px; }
.mds-context-grid > .st-card { margin-bottom: 0; }

.mds-workspace-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 12px;
  padding: 8px 0 10px;
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--pr-surface);
  border-bottom: 1px solid var(--pr-line);
}

.mds-workspace-head h1 { font-size: 18px; font-weight: 800; }
.mds-workspace-head p { margin: 4px 0 0; color: var(--pr-ink-soft); font-size: 12.5px; }

.mds-tool-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--pr-line);
  border-radius: 10px;
  background: var(--pr-bg);
}

.mds-tool-tabs button {
  min-height: 30px;
  padding: 0 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--mds-muted);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.mds-tool-tabs button.active {
  background: #eaf2ff;
  color: #174ea6;
  font-weight: 700;
}

.molecular-design-root .st-card {
  margin-bottom: 14px;
  border-color: var(--mds-line);
  border-radius: 14px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 5px 18px rgba(40, 68, 105, .045);
}

.molecular-design-root .st-card-title {
  color: #183654;
  font-size: 13px;
  letter-spacing: .01em;
}

.mds-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  align-items: end;
  margin-bottom: 10px;
}

.mds-mono,
.mds-sequence-output,
.mds-report,
.mds-json,
.mds-ai-output,
.mds-rna-structure code,
.mds-frame code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.mds-mono {
  min-height: 92px;
  line-height: 1.55;
  letter-spacing: .02em;
}

.mds-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 9px;
  margin-bottom: 14px;
}

.mds-metric {
  min-height: 72px;
  padding: 11px 12px;
  border: 1px solid var(--mds-line);
  border-radius: 12px;
  background: linear-gradient(180deg, #fff, #f8fbff);
}

.mds-metric span {
  display: block;
  margin-bottom: 6px;
  color: var(--mds-muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.mds-metric strong {
  color: #163657;
  font-size: 17px;
  overflow-wrap: anywhere;
}

.mds-inspector-metrics {
  display: grid;
  gap: 8px;
}

.mds-inspector-metrics > div,
.mds-readiness-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid #edf1f6;
}

.mds-inspector-metrics span,
.mds-readiness-row span { color: var(--mds-muted); }
.mds-inspector-metrics strong,
.mds-readiness-row strong { color: #173b5e; text-align: right; overflow-wrap: anywhere; }

.mds-frame-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.mds-frame {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  padding: 9px;
  border: 1px solid var(--mds-line);
  border-radius: 9px;
  background: #f8fafc;
}

.mds-frame code {
  overflow: hidden;
  color: #334155;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mds-map-view {
  min-height: 440px;
  display: grid;
  place-items: center;
  overflow: auto;
  border: 1px solid var(--mds-line);
  border-radius: 12px;
  background: radial-gradient(circle, #fff 0%, #f4f8fd 100%);
}

.mds-map-view svg { max-width: 100%; min-width: 520px; }

.mds-feature-list { display: grid; gap: 8px; }
.mds-feature-row {
  display: grid;
  grid-template-columns: minmax(130px, 2fr) minmax(100px, 1fr) 82px 82px auto;
  gap: 7px;
  align-items: center;
}

.mds-gel { display: grid; place-items: center; overflow: auto; }
.mds-gel svg { max-height: 480px; }

.mds-sequence-output,
.mds-report,
.mds-json,
.mds-ai-output {
  max-height: 420px;
  padding: 14px;
  overflow: auto;
  border: 1px solid var(--mds-line);
  border-radius: 10px;
  background: #f8fafc;
  color: #243b53;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.55;
}

.mds-rna-structure {
  display: grid;
  gap: 5px;
  padding: 16px;
  overflow-x: auto;
  border-radius: 12px;
  background: #111827;
  color: #d1fae5;
}

.mds-rna-structure code { white-space: pre; letter-spacing: .04em; }

.mds-callout {
  margin: 10px 0;
  padding: 10px 12px;
  border: 1px solid;
  border-radius: 10px;
  line-height: 1.45;
}
.mds-callout.info { background: #eff6ff; border-color: #bfdbfe; color: #1e3a8a; }
.mds-callout.warning { background: #fffbeb; border-color: #fde68a; color: #854d0e; }
.mds-callout.error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.mds-callout.fallback { background: #f8fafc; border-color: #cbd5e1; color: #334155; }

.mds-advanced-panel {
  margin-top: 10px;
  border: 1px solid var(--mds-line);
  border-radius: 10px;
  background: #f8fafc;
}
.mds-advanced-panel summary {
  padding: 10px 12px;
  color: #31506f;
  font-weight: 700;
  cursor: pointer;
}
.mds-advanced-panel[open] > :not(summary) { margin: 0 12px 12px; }

.mds-warnings,
.mds-list,
.mds-steps { margin: 0; padding-left: 22px; }
.mds-warnings { display: grid; gap: 7px; list-style: none; padding-left: 0; }
.mds-warnings li { display: grid; grid-template-columns: 12px 1fr; gap: 8px; align-items: start; color: #7c4a03; }
.mds-all-clear { display: flex; gap: 8px; align-items: center; color: #166534; }
.mds-steps { display: grid; gap: 8px; color: #334155; line-height: 1.45; }
.mds-note { color: var(--mds-muted); }

.mds-result-status {
  padding: 14px;
  border-radius: 12px;
}
.mds-result-status.passed { background: #ecfdf5; color: #166534; }
.mds-result-status.warning { background: #fffbeb; color: #854d0e; }
.mds-result-status.failed { background: #fef2f2; color: #991b1b; }
.mds-result-status p { margin: 6px 0 0; line-height: 1.4; }

.mds-library-grid,
.mds-integration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.mds-library-card,
.mds-integration {
  display: grid;
  gap: 6px;
  min-height: 105px;
  padding: 13px;
}
.mds-library-card > div { display: flex; justify-content: space-between; }
.mds-library-card span,
.mds-library-card small,
.mds-integration span { color: var(--mds-muted); }
.mds-kind {
  display: inline-block;
  width: fit-content;
  padding: 2px 6px;
  border-radius: 999px;
  background: #eaf2ff;
  color: #1d4ed8 !important;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.mds-ai-disclaimer {
  margin-bottom: 10px;
  padding: 8px 10px;
  border: 1px solid #e9d5ff;
  border-radius: 9px;
  background: #faf5ff;
  color: #6b21a8;
  font-size: 11px;
  font-weight: 700;
}

.mds-provenance-details {
  margin-top: 9px;
  font-size: 11px;
}
.mds-provenance-details summary { color: #31506f; cursor: pointer; }
.mds-provenance-details pre { max-height: 180px; overflow: auto; white-space: pre-wrap; }

.mds-structure-svg {
  width: 100%;
  max-height: 480px;
  border: 1px solid var(--mds-line);
  border-radius: 12px;
  background:
    linear-gradient(rgba(37,99,235,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.025) 1px, transparent 1px),
    #fbfdff;
  background-size: 20px 20px;
}

.mds-chromatogram {
  width: 100%;
  min-height: 220px;
  overflow: hidden;
  border: 1px solid var(--mds-border);
  border-radius: 12px;
  background: #fff;
}
.mds-range { width: 100%; }

.mds-command-backdrop {
  position: absolute;
  inset: 0;
  z-index: 5000;
  display: grid;
  align-items: start;
  justify-items: center;
  padding-top: min(16vh, 120px);
  background: rgba(15, 23, 42, .34);
  backdrop-filter: blur(4px);
}

.mds-command {
  width: min(620px, calc(100% - 36px));
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(15, 23, 42, .28);
}

.mds-command-input {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 0;
  border-bottom: 1px solid var(--mds-line);
  outline: 0;
  font: inherit;
  font-size: 16px;
}

.mds-command-list {
  display: grid;
  max-height: 360px;
  overflow-y: auto;
  padding: 6px;
}
.mds-command-list button {
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--mds-ink);
  text-align: left;
  cursor: pointer;
}
.mds-command-list button:hover,
.mds-command-list button:focus { background: #eef5ff; outline: 0; }
.mds-command > small { display: block; padding: 8px 12px; border-top: 1px solid var(--mds-line); color: var(--mds-muted); }

.mds-dragging::after {
  content: "Drop file to import";
  position: absolute;
  inset: 14px;
  z-index: 6000;
  display: grid;
  place-items: center;
  border: 3px dashed #2563eb;
  border-radius: 20px;
  background: rgba(239, 246, 255, .94);
  color: #1d4ed8;
  font-size: 24px;
  font-weight: 800;
  pointer-events: none;
}

@media (max-width: 1100px) {
  .mds-hero { grid-template-columns: 1fr; }
  .mds-workspace-grid,
  .mds-demo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mds-demo-chip { min-width: 140px; }
  .mds-workspace-head { align-items: stretch; flex-direction: column; }
  .mds-tool-tabs { width: fit-content; }
}

@media (max-width: 760px) {
  .molecular-design-root .st-workspace { padding: 12px 12px 40px; }
  .mds-hero { padding: 24px 20px; border-radius: 14px; }
  .mds-workspace-grid,
  .mds-demo-grid,
  .mds-frame-grid { grid-template-columns: 1fr; }
  .mds-section-heading { align-items: start; flex-direction: column; gap: 4px; }
  .mds-demo-feature { grid-template-columns: 1fr; }
  .mds-demo-feature-plot { height: 58px; }
  .mds-overview { min-height: 200px; padding: 16px; }
  .mds-flow-node { width: 68px; height: 68px; }
  .mds-overview-footer { grid-template-columns: 1fr auto; }
  .mds-mini-plot { display: none; }
  .mds-feature-row { grid-template-columns: 1fr 1fr; }
  .mds-feature-row > :first-child { grid-column: 1 / -1; }
  .mds-ruo { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .mds-workspace-tile,
  .mds-demo-card,
  .mds-library-card,
  .mds-integration { transition: none; }
}

/* ============================================================
   Visualization layer — sequence tracks, arcs, plots, structure
   ============================================================ */

.mds-viz-host {
  overflow-x: auto;
  border: 1px solid var(--mds-line);
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fe 100%);
  padding: 10px 12px;
}
.mds-viz-host:focus-visible { outline: 2px solid var(--mds-blue); outline-offset: 2px; }
.mds-viz { display: block; width: 100%; min-width: 560px; height: auto; }

/* Per the Prism SVG gotcha: decorative marks must not steal hover; only the
   interactive feature marks (which carry <title> tooltips) accept the pointer. */
.mds-viz * { pointer-events: none; }
.mds-viz .mds-viz-feat { pointer-events: auto; cursor: pointer; }
.mds-viz .mds-viz-feat:hover { opacity: 1 !important; filter: brightness(1.06); }

.mds-viz-tick { font-size: 9px; fill: var(--mds-muted); font-variant-numeric: tabular-nums; }
.mds-viz-lanelbl { font-size: 9.5px; fill: var(--mds-muted); font-weight: 600; }
.mds-viz-featlabel { font-size: 9px; fill: var(--mds-ink); font-weight: 600; }
.mds-viz-base { font-size: 8.5px; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.mds-viz-note { font-size: 10px; fill: #94a3b8; font-style: italic; }
.mds-viz-empty { padding: 26px; text-align: center; color: var(--mds-muted); font-size: 13px; }

.mds-structure-viewport {
  min-height: 360px;
  place-items: center;
  background: radial-gradient(circle at 50% 40%, #0b1220 0%, #060a14 100%);
  border-color: #1e293b;
}
.mds-structure-viewport .mds-viz { min-width: 420px; }
.mds-structure-viewport .mds-viz-lanelbl { fill: #94a3b8; }

/* AI quick-action chips (Phase 5) */
.mds-ai-quick { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 10px; }
.mds-ai-chip {
  border: 1px solid var(--mds-line);
  background: #fff;
  color: var(--mds-ink);
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 12px;
  cursor: pointer;
  transition: background .12s, border-color .12s;
}
.mds-ai-chip:hover { background: #eef4ff; border-color: var(--mds-blue); }

/* ============================================================
   Shell refresh — cleaner Graph-Studio-like surfaces
   ============================================================ */

.molecular-design-root .st-card {
  border-radius: 14px;
  border: 1px solid var(--mds-line);
  box-shadow: 0 1px 2px rgba(20, 40, 80, .05);
}
.molecular-design-root .st-nav-item.active,
.molecular-design-root .st-nav-item[aria-current="page"] {
  background: linear-gradient(90deg, rgba(37,99,235,.12), rgba(37,99,235,.04));
  color: #1d4ed8;
  font-weight: 650;
}
.mds-tool-tabs {
  background: var(--mds-soft);
  padding: 3px;
  border-radius: 10px;
  border: 1px solid var(--mds-line);
  gap: 2px;
}
.mds-tool-tabs button.active {
  box-shadow: 0 1px 3px rgba(20,40,80,.14);
}

/* ---- Dark theme ---- */
.dark .molecular-design-root .studio { background: #12151c; }
.dark .mds-figure-stage-body,
.dark .mds-figure-stage .mds-viz-host { background: linear-gradient(180deg, #1b2230 0%, #161c28 100%); }
.dark .mds-record-strip { background: #181b21; }
.dark .mds-hero { border-color: #2b3444; background: linear-gradient(135deg, #171d28, #1b202c); }
.dark .mds-overview { border-color: #343e50; background: rgba(26,33,45,.86); }
.dark .mds-flow-node { background: #171d28; }
.dark .mds-overview-footer,
.dark .mds-demo-feature { border-color: #2b3444; }
.dark .mds-workspace-tile,
.dark .mds-demo-card { border-color: #2b3444; background: #1b2230; }
.dark .mds-demo-feature-plot { background: #211d35; }
.dark .mds-viz-host { background: linear-gradient(180deg, #1b2230 0%, #161c28 100%); }
.dark .mds-viz-featlabel { fill: #e8ecf3; }
.dark .mds-ai-chip { background: #1b2230; }
.dark .mds-ai-chip:hover { background: #22314d; }
.dark .molecular-design-root .st-card { box-shadow: 0 1px 2px rgba(0,0,0,.3); }

/* ===========================================================================
   Online databases
   =========================================================================== */

/* The header now carries tool tabs AND the database entry point, so the two
   share one right-hand column instead of the tabs owning it alone. */
.mds-workspace-head-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.molecular-design-root .st-btn.mds-db-open {
  white-space: nowrap;
  border-color: color-mix(in srgb, var(--pr-teal) 45%, var(--pr-line));
  color: var(--pr-blue-dk);
  font-weight: 650;
}
.molecular-design-root .st-btn.mds-db-open:hover {
  background: color-mix(in srgb, var(--pr-teal) 10%, var(--pr-surface));
}

/* --- Databases workspace --------------------------------------------------- */

.mds-db-universal { display: flex; flex-direction: column; gap: 8px; }
.mds-db-universal-targets { display: flex; flex-wrap: wrap; gap: 6px; }

.mds-db-group { margin-top: 14px; }
.mds-db-group:first-of-type { margin-top: 6px; }
.mds-db-group h4 {
  margin: 0 0 7px; font-size: 12px; font-weight: 750; letter-spacing: .02em;
  text-transform: uppercase; color: var(--mds-muted);
}
.mds-db-grouplist { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; }
.mds-db-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 10px 11px; border-radius: 8px;
  border: 1px solid var(--pr-line); background: var(--pr-surface);
}
.mds-db-card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12.5px; }
.mds-db-card-body { color: var(--mds-muted); font-size: 11.5px; line-height: 1.45; }
.mds-db-card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin-top: auto; padding-top: 4px; color: var(--mds-muted); font-size: 11px;
}

.mds-db-healthsummary {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin: 10px 0; font-size: 12.5px; font-weight: 600;
}

@media (max-width: 760px) {
  .mds-db-overlay { padding: 10px; }
  .mds-db-dialog { padding: 14px; }
  .mds-db-fields { grid-template-columns: 1fr; gap: 2px; }
  .mds-db-fields dt { margin-top: 6px; }
  .mds-db-record-head { flex-direction: column; }
}

/* Database citation shown with the molecule it describes. */
.mds-origin {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-top: 6px; font-size: 11.5px; color: var(--mds-muted);
}
.mds-origin-chip {
  padding: 1px 7px; border-radius: 4px; font-weight: 700; font-size: 10.5px;
  background: color-mix(in srgb, var(--pr-teal) 14%, white); color: #0a6b6b;
}
.mds-origin a { color: var(--pr-blue); }

.mds-library-source {
  display: block; margin-top: 4px; font-size: 10.5px; color: var(--pr-blue-dk);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}