.algorithm-flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(120px, 1fr));
  gap: 0;
  margin: 0 0 18px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  overflow-x: auto;
}
.algorithm-flow a {
  position: relative;
  min-width: 120px;
  padding: 10px 12px;
  border-right: 1px solid var(--gray-200);
  color: var(--gray-600);
  font-size: 12px;
}
.algorithm-flow a:last-child { border-right: 0; }
.algorithm-flow a { text-decoration: none; }
.algorithm-flow a:hover { background: var(--gray-50); }
.algorithm-flow a.active:hover { background: var(--primary-light); }
.algorithm-flow a.active { color: var(--primary-dark); background: var(--primary-light); font-weight: 600; }
.algorithm-flow b { display: block; color: inherit; font-size: 12px; }
.algorithm-flow small { display: block; margin-top: 2px; color: var(--gray-500); font-weight: 400; }
.algorithm-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 18px; align-items: start; }
.algorithm-side { position: sticky; top: 18px; }
.algorithm-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 18px; }
.algorithm-summary > div { min-width: 0; padding: 11px 12px; border: 1px solid var(--gray-200); background: #fff; }
.algorithm-summary small { display: block; color: var(--gray-500); font-size: 11px; }
.algorithm-summary strong { display: block; margin-top: 4px; color: var(--gray-900); font-size: 14px; overflow-wrap: anywhere; }
.contract-pair { display: grid; grid-template-columns: 1fr 42px 1fr; align-items: center; gap: 10px; }
.contract-pair > span { text-align: center; color: var(--gray-400); }
.code-workspace { display: grid; grid-template-columns: 220px minmax(0, 1fr) 280px; min-height: 430px; border: 1px solid var(--gray-200); background: #fff; }
.code-tree, .code-inspector { min-width: 0; padding: 14px; background: var(--gray-50); }
.code-tree { border-right: 1px solid var(--gray-200); }
.code-inspector { border-left: 1px solid var(--gray-200); }
.code-tree ul { margin: 10px 0 0; padding: 0; list-style: none; }
.code-tree li { margin: 0; color: var(--gray-600); font-size: 12px; }
.code-pane-heading, .code-editor-toolbar, .code-statusbar, .code-terminal-command {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.code-file {
  width: 100%;
  padding: 7px 8px;
  overflow: hidden;
  border: 0;
  background: transparent;
  color: var(--gray-600);
  font: 12px/1.45 Consolas, "Cascadia Code", monospace;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.code-file:hover { color: var(--primary); background: #fff; }
.code-file.active { color: var(--primary-dark); background: var(--primary-light); font-weight: 600; }
.code-new-panel { margin: 10px 0; padding: 10px; border: 1px solid var(--gray-200); background: #fff; }
.code-new-panel label { display: block; margin-bottom: 6px; color: var(--gray-600); font-size: 11px; }
.code-new-panel input {
  width: 100%;
  min-width: 0;
  min-height: 34px;
  margin-bottom: 8px;
  padding: 6px 8px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 12px;
}
.code-editor { display: flex; min-width: 0; padding: 0; overflow: hidden; flex-direction: column; background: #fff; }
.code-editor-toolbar { min-height: 54px; padding: 8px 12px; border-bottom: 1px solid var(--gray-200); }
.code-editor-toolbar > div { display: flex; min-width: 0; align-items: center; gap: 8px; }
.code-editor-input {
  width: 100%;
  min-height: 420px;
  flex: 1 1 auto;
  resize: vertical;
  padding: 16px 18px;
  border: 0;
  outline: 0;
  background: #fbfcfe;
  color: #223047;
  font: 13px/1.75 Consolas, "Cascadia Code", monospace;
  tab-size: 4;
  white-space: pre;
  overflow: auto;
}
.code-statusbar { min-height: 30px; justify-content: flex-end; padding: 4px 10px; border-top: 1px solid var(--gray-200); color: var(--gray-500); font-size: 11px; }
.code-inspector h3 { margin-bottom: 14px; font-size: 14px; }
.code-inspector .field { margin-bottom: 12px; }
.code-inspector .field input, .code-inspector .field select { width: 100%; min-width: 0; min-height: 34px; padding: 6px 8px; border: 1px solid var(--gray-300); background: #fff; }
.code-terminal-panel { margin-top: 18px; }
.code-terminal-panel .run-console { min-height: 150px; max-height: 260px; margin: 0; border-radius: 0; white-space: pre-wrap; }
.code-terminal-command { padding: 10px 12px; border-top: 1px solid #2f3b52; background: #172033; color: #d7e2f0; }
.code-terminal-command input { min-width: 0; flex: 1 1 auto; height: 34px; padding: 6px 9px; border: 1px solid #46536a; border-radius: var(--radius-sm); background: #111827; color: #eef4ff; }
.workflow-editor { display: grid; grid-template-columns: 210px minmax(420px, 1fr) 290px; min-height: 520px; border: 1px solid var(--gray-200); background: #fff; }
.component-palette, .node-inspector { padding: 14px; background: var(--gray-50); }
.component-palette { border-right: 1px solid var(--gray-200); }
.node-inspector { border-left: 1px solid var(--gray-200); }
.component-item { margin-top: 8px; padding: 9px; border: 1px solid var(--gray-200); background: #fff; font-size: 12px; cursor: grab; }
.workflow-canvas {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  align-content: center;
  gap: 42px 76px;
  padding: 42px;
  background: linear-gradient(var(--gray-200) 1px, transparent 1px), linear-gradient(90deg, var(--gray-200) 1px, transparent 1px);
  background-size: 24px 24px;
}
.canvas-node { position: relative; padding: 12px; border: 1px solid var(--gray-300); border-left: 3px solid var(--primary); background: #fff; box-shadow: var(--shadow); }
.canvas-node.is-failed { border-left-color: var(--danger); }
.canvas-node strong, .canvas-node small { display: block; }
.canvas-node small { margin-top: 3px; color: var(--gray-500); font-size: 11px; }
.canvas-port { position: absolute; top: 50%; width: 9px; height: 9px; border-radius: 50%; background: var(--primary); }
.canvas-port.in { left: -6px; }.canvas-port.out { right: -6px; }
.run-console { max-height: 270px; overflow: auto; padding: 12px; background: #172033; color: #d7e2f0; font: 12px/1.75 Consolas, monospace; }
.diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border: 1px solid var(--gray-200); background: var(--gray-200); }
.diff-pane { padding: 14px; background: #fff; }
.diff-added { background: #edf7f1; }.diff-removed { background: #fff0f0; }
.gate-list { display: grid; gap: 8px; }
.gate-item { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--gray-200); }
.gate-item:last-child { border-bottom: 0; }
.gate-icon { width: 22px; height: 22px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--success-bg); color: var(--success); font-weight: 700; }
.v2-toast { position: fixed; right: 20px; bottom: 20px; z-index: 40; max-width: 360px; padding: 10px 14px; border: 1px solid var(--primary-border); border-radius: 6px; background: #fff; box-shadow: var(--shadow-md); color: var(--gray-800); font-size: 13px; }
.v2-toast.is-bad { border-color: var(--danger-border); color: var(--danger); }
.icon-command { width: 36px; height: 36px; padding: 0; display: inline-flex; align-items: center; justify-content: center; }
@media (max-width: 1100px) {
  .algorithm-layout { grid-template-columns: 1fr; }
  .algorithm-side { position: static; }
  .code-workspace { grid-template-columns: 190px minmax(0, 1fr); }
  .workflow-editor { grid-template-columns: 190px minmax(360px, 1fr); overflow-x: auto; }
  .code-inspector { grid-column: 1 / -1; border-top: 1px solid var(--gray-200); border-left: 0; }
  .node-inspector { display: none; }
}
@media (max-width: 700px) {
  .algorithm-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contract-pair, .diff-grid { grid-template-columns: 1fr; }
  .contract-pair > span { transform: rotate(90deg); }
  .code-workspace, .workflow-editor { grid-template-columns: 1fr; min-height: 0; overflow: visible; }
  .code-tree, .component-palette { border: 0; border-bottom: 1px solid var(--gray-200); }
  .code-tree ul { display: flex; gap: 4px; overflow-x: auto; }
  .code-tree li { flex: 0 0 auto; max-width: 220px; }
  .code-editor-toolbar { align-items: flex-start; flex-direction: column; }
  .code-editor-toolbar .action-group { width: 100%; }
  .code-editor-toolbar .action-group .btn { flex: 1 1 auto; }
  .code-editor-input { min-height: 380px; font-size: 12px; }
  .code-statusbar { justify-content: flex-start; overflow-x: auto; }
  .code-terminal-command { align-items: stretch; flex-wrap: wrap; }
  .code-terminal-command input { flex-basis: calc(100% - 72px); }
  .workflow-canvas { grid-template-columns: 1fr; min-width: 0; padding: 24px; }
}