.tools-app {
  --tools-accent: #64dba6;
  --tools-muted: #b0b0b0;
  --tools-border: #3d3d3d;
  --tools-surface: #111;
  --tools-field: #080808;
  --tools-hover: #1c1c1c;
  color: #edf5f0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  min-width: 0;
}
.tools-app *, .tools-app *::before, .tools-app *::after { box-sizing: border-box; }
body:has(.tools-app) .page-header { margin: 16px 0 24px; padding-bottom: 16px; }
body:has(.tools-app) .page-header h1 { margin: 0; font-size: clamp(26px, 4vw, 38px); line-height: 1.3; overflow-wrap: anywhere; }
.tools-app [hidden] { display: none !important; }
.tools-app a { color: var(--tools-accent); }
.tools-app h2 { margin: 0 0 12px; font: 600 22px/1.35 system-ui, sans-serif; text-transform: none; overflow-wrap: anywhere; }
.tools-app p { margin: 0 0 16px; }
.tools-app .tools-intro { margin-bottom: 24px; }
.tools-app .tools-intro a { display: inline-block; margin-bottom: 12px; }
.tools-app .tools-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.tools-app .tools-panel { min-width: 0; padding: 20px; border: 1px solid var(--tools-border); background: var(--tools-surface); border-radius: 8px; }
.tools-app label { display: block; color: #edf5f0; font-size: 15px; font-weight: 600; margin: 0 0 8px; }
.tools-app input, .tools-app select, .tools-app textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: auto;
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid #666;
  border-radius: 5px;
  background: var(--tools-field);
  color: #edf5f0;
  font: 15px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  box-shadow: none;
}
.tools-app select { min-height: 44px; font-family: inherit; }
.tools-app textarea { resize: vertical; min-height: 90px; white-space: pre-wrap; overflow-wrap: anywhere; }
.tools-app textarea[readonly] { color: #b9f0d3; }
.tools-app input::placeholder, .tools-app textarea::placeholder { color: #9baaa2; opacity: 1; }
.tools-app button {
  min-height: 44px;
  padding: 9px 16px;
  border: 1px solid #777;
  border-radius: 5px;
  background: #262626;
  background-image: none;
  box-shadow: none;
  color: #f5f5f5;
  font: 600 15px/1.5 system-ui, sans-serif;
  cursor: pointer;
}
.tools-app button:hover:not(:disabled) { background: #333; }
.tools-app button:disabled { opacity: .45; cursor: default; }
.tools-app .tools-secondary { color: #edf5f0; background: transparent; border-color: #777; }
.tools-app .tools-secondary:hover:not(:disabled) { background: var(--tools-hover); }
.tools-app :is(input, select, textarea, button, a, summary):focus-visible { outline: 2px solid var(--tools-accent); outline-offset: 3px; }
.tools-app [aria-invalid="true"] { border-color: #ff9e9e; }
.tools-app .tools-modes { display: flex; flex-wrap: wrap; gap: 12px 20px; margin: 0 0 12px; padding: 16px; border: 1px solid var(--tools-border); border-radius: 8px; }
.tools-app .tools-modes legend { width: auto; margin: 0; padding: 0 6px; color: #edf5f0; font-size: 15px; line-height: inherit; border: 0; }
.tools-app .tools-modes legend::before, .tools-app .tools-modes legend::after { content: none; }
.tools-app .tools-modes label { display: inline-flex; align-items: center; gap: 8px; margin: 0; min-height: 36px; cursor: pointer; }
.tools-app .tools-modes input { display: inline-block; width: 18px; height: 18px; margin: 0; accent-color: var(--tools-accent); }
.tools-app .tools-help, .tools-app .tools-credit { font-size: 14px; color: var(--tools-muted); overflow-wrap: anywhere; }
.tools-app .tools-advanced { margin: 16px 0 24px; }
.tools-app summary { color: var(--tools-accent); cursor: pointer; min-height: 44px; padding: 8px 0; font-weight: 600; }
.tools-app details[open] > summary { margin-bottom: 8px; }
.tools-app .tools-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.tools-app .tools-status { color: var(--tools-accent); font-size: 14px; }
.tools-app .tools-error { margin: 12px 0; color: #ffb0b0; font-size: 14px; }
.tools-app .tools-error:empty { display: none; }
.tools-app .tools-workspace { margin-bottom: 20px; }
.tools-app .tools-endpoint { display: grid; grid-template-columns: minmax(0, 2fr) minmax(100px, 1fr) auto; gap: 16px; align-items: end; margin-bottom: 12px; }
.tools-app .tools-endpoint button { margin-bottom: 12px; }
.tools-app .tools-shell-workspace { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(0, 2fr); gap: 20px; }
.tools-app .tools-filters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.tools-app .tools-template-list { display: flex; flex-direction: column; gap: 8px; max-height: 440px; overflow-y: auto; padding: 4px; }
.tools-app .tools-template-list button { flex: 0 0 auto; height: auto; width: 100%; white-space: normal; text-align: left; color: #edf5f0; background: transparent; border: 1px solid var(--tools-border); }
.tools-app .tools-template-list button:hover { background: var(--tools-hover); }
.tools-app .tools-template-list button[aria-pressed="true"] { color: var(--tools-accent); background: var(--tools-hover); border-color: var(--tools-accent); }
.tools-app .tools-template-list small { display: block; margin-top: 4px; font-size: 12px; font-weight: 400; color: var(--tools-muted); text-transform: none; }
.tools-app .tools-template-list small::before, .tools-app .tools-template-list small::after { content: none; }
.tools-app .tools-result-heading { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.tools-app .tools-badge { font-size: 12px; color: #efd39a; border: 1px solid #746744; padding: 0 6px; border-radius: 4px; }
.tools-app .tools-listener { border-top: 1px solid var(--tools-border); margin-top: 24px; padding-top: 12px; }
.tools-app .tools-tool-card { display: flex; flex-direction: column; min-width: 0; padding: 24px; border: 1px solid var(--tools-border); border-radius: 8px; background: var(--tools-surface); color: #edf5f0; text-decoration: none; }
.tools-app .tools-tool-card:hover { color: #edf5f0; border-color: var(--tools-accent); text-decoration: none; background: var(--tools-hover); }
.tools-app .tools-kicker { margin-bottom: 16px; color: var(--tools-accent); font: 14px ui-monospace, monospace; letter-spacing: .12em; }
.tools-app .tools-card-action { margin-top: auto; padding-top: 24px; color: var(--tools-accent); font-weight: 600; }
.tools-app .tools-catalog { margin-bottom: 24px; }
.tools-app h3 { margin: 0 0 10px; font: 600 18px/1.4 system-ui, sans-serif; text-transform: none; overflow-wrap: anywhere; }
.tools-app .tools-topology:empty { display: none; }
.tools-app .tools-topology { white-space: pre-line; padding: 16px; border-left: 3px solid var(--tools-accent); background: var(--tools-hover); border-radius: 4px; overflow-wrap: anywhere; margin: 20px 0; }
.tools-app .tools-generator-workspace { display: grid; grid-template-columns: minmax(290px, 1fr) minmax(0, 1.6fr); gap: 20px; align-items: start; }
.tools-app .tools-generator-results { min-width: 0; }
.tools-app .tools-generator-results > .tools-topology { margin-top: 0; }
.tools-app .tools-generator-results > .tools-grid { grid-template-columns: 1fr; }
.tools-app .tools-route { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 14px; }
.tools-app .tools-route:last-child { margin-bottom: 0; }
.tools-app .tools-route-node { padding: 8px 12px; border: 1px solid var(--tools-border); border-radius: 5px; background: var(--tools-field); font-size: 14px; }
.tools-app .tools-route-arrow { color: var(--tools-accent); }
.tools-app .tools-upgrade { margin-top: 28px; padding: 20px; border: 1px solid var(--tools-border); border-radius: 8px; background: var(--tools-surface); }
.tools-app .tools-upgrade > summary { font-size: 20px; }
.tools-app .tools-terminal-size { display: grid; grid-template-columns: minmax(70px, 1fr) minmax(70px, 1fr) minmax(0, 2fr); gap: 12px; }
.tools-app .tools-steps { padding: 0; margin: 20px 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; counter-reset: tool-step; }
.tools-app .tools-step { list-style: none; counter-increment: tool-step; min-width: 0; border: 1px solid var(--tools-border); border-radius: 6px; padding: 16px; }
.tools-app .tools-step h3::before { content: counter(tool-step) '. '; color: var(--tools-accent); }
.tools-app .tools-step textarea { min-height: 94px; }
.tools-app .tools-tabs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.tools-app .tools-tabs [aria-selected="false"] { background: transparent; color: #edf5f0; border-color: #777; }
.tools-app .tools-download-notes { margin: 20px 0; padding-left: 20px; }
.tools-app .tools-download-notes li { margin-bottom: 8px; }
@media (max-width: 767px) {
  body:has(.tools-app) > .container > .content { margin-left: -10px; margin-right: -10px; }
  body:has(.tools-app) #main-nav .navbar-toggle { margin-right: 0; }
  .tools-app .tools-grid, .tools-app .tools-shell-workspace { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .tools-app .tools-panel, .tools-app .tools-tool-card { padding: 16px; }
  .tools-app .tools-endpoint { grid-template-columns: minmax(0, 2fr) minmax(90px, 1fr); gap: 12px; }
  .tools-app .tools-endpoint button { grid-column: 1 / -1; justify-self: start; }
  .tools-app .tools-template-list { max-height: 220px; }
  .tools-app .tools-modes { gap: 8px 16px; padding: 12px; }
  .tools-app .tools-modes label { min-height: 44px; }
  .tools-app .tools-steps, .tools-app .tools-terminal-size { grid-template-columns: 1fr; }
  .tools-app .tools-generator-workspace { grid-template-columns: 1fr; }
}