.fem-shell {
  max-width: 1180px;
}

.fem-hero,
.fem-workbench,
.fem-grid {
  display: grid;
  gap: 1rem;
}

.fem-hero {
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  align-items: stretch;
}

.fem-workbench {
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.75fr);
}

.fem-grid--metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fem-grid--tables,
.fem-grid--details {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fem-panel > * {
  position: relative;
}

.fem-kicker,
.fem-mini-label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent-text);
}

.fem-lead {
  max-width: 66ch;
  font-size: 1.02rem;
  line-height: 1.7;
}

.fem-pill-row,
.fem-legend,
.fem-check-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.fem-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 9999px;
  background: var(--chip-bg);
  color: var(--text-soft);
  font-size: 0.88rem;
}

.fem-check-list {
  display: grid;
}

.fem-check-list p,
.fem-step-list p {
  line-height: 1.65;
  color: var(--text-soft);
}

.fem-check-list p,
.fem-step-list p,
.fem-code-note {
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.025);
}

.fem-svg-frame {
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    rgba(255, 255, 255, 0.018);
  background-size: 28px 28px;
  overflow: hidden;
}

.fem-svg {
  width: 100%;
  min-height: 360px;
}

.fem-legend {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.fem-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.fem-legend-line {
  width: 2.2rem;
  height: 0;
  border-top: 4px solid;
  border-radius: 9999px;
}

.fem-legend-line--base {
  border-top-style: dashed;
  border-color: rgba(161, 161, 170, 0.8);
}

.fem-legend-line--tension {
  border-color: #fb7185;
}

.fem-legend-line--compression {
  border-color: #60a5fa;
}

.fem-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(16, 185, 129, 0.42);
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-text);
  font-size: 0.86rem;
}

.fem-status::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 9999px;
  background: #34d399;
}

.fem-control-list,
.fem-step-list {
  display: grid;
  gap: 0.9rem;
}

.fem-control {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem 0.75rem;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.fem-control output {
  color: var(--text-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, monospace;
}

.fem-control input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: #10b981;
}

.fem-metric {
  min-height: 138px;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.fem-metric strong {
  color: var(--text-strong);
  font-size: 1.75rem;
  line-height: 1.1;
}

.fem-table-wrap {
  overflow-x: auto;
}

.fem-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
  font-size: 0.9rem;
}

.fem-table th,
.fem-table td {
  padding: 0.75rem 0.6rem;
  border-bottom: 1px solid var(--border);
  text-align: right;
  white-space: nowrap;
}

.fem-table th:first-child,
.fem-table td:first-child {
  text-align: left;
}

.fem-table th {
  color: var(--text-muted);
  font-weight: 600;
}

.fem-table td {
  color: var(--text-soft);
}

.fem-code-note code {
  display: block;
  overflow-x: auto;
  color: var(--text-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, monospace;
  font-size: 0.86rem;
}

.fem-svg text {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  fill: var(--text-strong);
}

.fem-node-label {
  font-size: 14px;
  font-weight: 700;
}

.fem-load-label,
.fem-element-label {
  font-size: 12px;
  fill: var(--text-muted);
}

@media (max-width: 980px) {
  .fem-hero,
  .fem-workbench,
  .fem-grid--tables,
  .fem-grid--details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .fem-grid--metrics {
    grid-template-columns: 1fr;
  }

  .fem-svg {
    min-height: 300px;
  }

  .fem-metric {
    min-height: 0;
  }
}