.shell--wide {
  max-width: 1080px;
}

.shell--tool {
  max-width: 960px;
}

.local-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--phosphor);
  border: 1px solid rgba(61, 255, 154, 0.35);
  background: rgba(61, 255, 154, 0.08);
  padding: 6px 10px;
  margin-top: 16px;
}

.local-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--phosphor);
  box-shadow: 0 0 8px var(--phosphor);
}

.tool-hero {
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--border);
}

.tool-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 400;
  line-height: 1.12;
  margin-bottom: 12px;
}

.tool-hero-lead {
  color: var(--text-muted);
  max-width: 58ch;
  font-size: 0.98rem;
  line-height: 1.65;
}

.tool-grid-hub {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2px;
  background: var(--border);
  margin-top: 32px;
}

.tool-card {
  background: var(--bg-panel);
  padding: 22px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100%;
  border: 1px solid transparent;
  transition: border-color 0.15s, background 0.15s;
}

.tool-card:hover {
  border-color: rgba(61, 255, 154, 0.25);
  background: var(--bg-elevated);
}

.tool-card-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--phosphor);
}

.tool-card h2 {
  font-size: 1.05rem;
  font-weight: 600;
}

.tool-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.55;
  flex: 1;
}

.tool-card-cta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
}

.tool-workspace {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.tool-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.tool-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text-primary);
  cursor: pointer;
  min-height: 44px;
}

.tool-btn:hover {
  border-color: rgba(61, 255, 154, 0.35);
  color: var(--phosphor);
}

.tool-btn.active {
  border-color: var(--phosphor);
  color: var(--phosphor);
  background: rgba(61, 255, 154, 0.08);
}

.tool-btn:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.tool-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
}

@media (max-width: 768px) {
  .tool-panels { grid-template-columns: 1fr; }
}

.tool-panel {
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.tool-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.tool-textarea,
.tool-output {
  flex: 1;
  width: 100%;
  min-height: 280px;
  border: 0;
  resize: vertical;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  padding: 14px;
}

.tool-textarea:focus,
.tool-output:focus {
  outline: none;
}

.tool-output {
  color: var(--text-muted);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.tool-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
}

.tool-status.ok { color: var(--phosphor); }
.tool-status.err { color: #ff6b8a; }

.tool-related {
  margin-top: 36px;
  padding: 18px;
  border: 1px solid var(--border);
  font-size: 0.86rem;
  color: var(--text-muted);
}

.tool-related a { color: var(--phosphor); text-decoration: none; }
.tool-related a:hover { text-decoration: underline; }

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.jwt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
}

@media (max-width: 768px) {
  .jwt-grid { grid-template-columns: 1fr; }
}