.matrix-input-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  position: relative;
  padding: 12px 18px;
  background: var(--surface2);
  border-radius: 5px;
  border: 1px solid var(--border2);
}
.matrix-bracket {
  position: absolute;
  top: 8px; bottom: 8px;
  width: 4px;
  border: 2px solid var(--ink3);
  opacity: 0.35;
  pointer-events: none;
}
.matrix-bracket.left  { left: 5px;  border-right: none; }
.matrix-bracket.right { right: 5px; border-left: none; }
.eigen-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: 'JetBrains Mono', monospace; font-size: 14px;
  padding: 4px 10px; border-radius: 20px; border: 1px solid;
}
.lme-vec-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}
.lme-equation {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink2);
  background: var(--surface2);
  border-radius: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border2);
  overflow-x: auto;
}
.lme-equation .lme-x   { color: #6a9fd8; font-weight: 600; }
.lme-equation .lme-y   { color: #d4a06a; font-weight: 600; }
.lme-equation .lme-out { color: #5aba80; font-weight: 600; }
.lme-equation .lme-muted { color: var(--ink3); }
.lme-equation .lme-col1 { color: #6a9fd8; }
.lme-equation .lme-col2 { color: #d4a06a; }
.lme-step {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 5px;
  margin-bottom: 5px;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  border: 1px solid transparent;
  transition: background 0.2s;
}
.lme-step.step-input  { background: color-mix(in srgb, #6a9fd8 10%, transparent); border-color: color-mix(in srgb, #6a9fd8 25%, transparent); color: #6a9fd8; }
.lme-step.step-col1   { background: color-mix(in srgb, #6a9fd8 8%, transparent);  border-color: color-mix(in srgb, #6a9fd8 20%, transparent); color: #6a9fd8; }
.lme-step.step-col2   { background: color-mix(in srgb, #d4a06a 8%, transparent);  border-color: color-mix(in srgb, #d4a06a 20%, transparent); color: #d4a06a; }
.lme-step.step-output { background: color-mix(in srgb, #5aba80 10%, transparent); border-color: color-mix(in srgb, #5aba80 25%, transparent); color: #5aba80; }
.lme-step-icon { font-size: 16px; line-height: 1; margin-top: 1px; }
.lme-anim-btn {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}
.lme-anim-btn button {
  flex: 1;
  padding: 6px 10px;
  font-size: 13px;
  border-radius: 5px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--ink2);
  cursor: pointer;
  transition: all 0.15s;
  font-family: 'DM Sans', sans-serif;
}
.lme-anim-btn button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.lme-anim-btn button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.basis-col-display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 8px;
}
.basis-col-box {
  padding: 8px 10px;
  border-radius: 5px;
  border: 1px solid;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.6;
}
.basis-col-box.col1 { border-color: color-mix(in srgb, #6a9fd8 40%, transparent); background: color-mix(in srgb, #6a9fd8 8%, transparent); color: #6a9fd8; }
.basis-col-box.col2 { border-color: color-mix(in srgb, #d4a06a 40%, transparent); background: color-mix(in srgb, #d4a06a 8%, transparent); color: #d4a06a; }
.basis-col-box .col-label { font-size: 10px; opacity: 0.8; margin-bottom: 2px; }