.tools-shell { max-width: 1000px; margin: 30px auto 64px; padding: 0 20px; }
.tools-heading { margin-bottom: 20px; }
.tools-eyebrow, .tool-kicker { color: var(--accent); font: 700 0.7rem/1.5 var(--font-mono); letter-spacing: 0.08em; }
.tools-heading h1 { margin: 5px 0; color: var(--text-main); font-size: clamp(1.8rem, 5vw, 2.5rem); line-height: 1.2; }
.tools-heading > p:not(.tools-eyebrow) { color: var(--text-muted); }
.tools-privacy { margin-top: 10px; padding: 9px 12px; border-left: 3px solid var(--accent); background: var(--accent-bg); font-size: 0.83rem; }
.tools-directory { position: sticky; z-index: 3; top: 0; display: flex; flex-wrap: wrap; gap: 7px; padding: 10px 0; background: var(--bg); }
.tools-directory a { padding: 4px 9px; border: 1px solid var(--border); border-radius: 20px; color: var(--text-body); font-size: 0.76rem; text-decoration: none; }
.tools-directory a:hover { border-color: var(--accent); color: var(--accent); }
.tool-card { scroll-margin-top: 76px; margin: 14px 0; padding: 18px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
.tool-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.tool-title-row h2 { color: var(--text-main); font-size: 1.12rem; line-height: 1.4; }
.tool-article-link { flex: 0 0 auto; color: var(--accent); font-size: 0.78rem; font-weight: 700; text-decoration: none; }
.tool-article-link:hover { text-decoration: underline; }
.tool-description { margin: 4px 0 14px; color: var(--text-muted); font-size: 0.84rem; }
.tool-fields { display: grid; gap: 12px; }
.tool-fields > label, .tool-output-grid > label { display: grid; gap: 5px; color: var(--text-main); font-size: 0.82rem; font-weight: 700; }
.tool-fields input:not([type="checkbox"]):not([type="range"]), .tool-fields textarea, .tool-fields select { width: 100%; min-width: 0; padding: 9px 10px; border: 1px solid var(--border); border-radius: 4px; background: var(--code-bg); color: var(--text-main); font: 0.83rem/1.55 var(--font-mono); }
.tool-fields textarea { resize: vertical; }
.tool-fields input[type="range"] { width: min(100%, 360px); vertical-align: middle; accent-color: var(--accent); }
.tool-fields input[type="checkbox"] { accent-color: var(--accent); }
.tool-flags { display: flex; flex-wrap: wrap; gap: 8px 14px; border: 0; }
.tool-flags legend { width: 100%; margin-bottom: 3px; color: var(--text-main); font-size: 0.78rem; font-weight: 700; }
.tool-flags label, .tool-inline-options label, .tool-check { display: inline-flex; align-items: center; gap: 5px; color: var(--text-body); font-size: 0.78rem; }
.tool-inline-options { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.tool-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-actions button, .capture-command button { padding: 7px 11px; border: 1px solid var(--accent); border-radius: 4px; background: var(--accent); color: #fff; cursor: pointer; font: inherit; font-size: 0.78rem; font-weight: 700; }
.tool-actions .tool-secondary, .capture-command .tool-secondary, .tool-copy-row button { border-color: var(--border); background: var(--surface); color: var(--text-body); }
.tool-status { color: var(--text-muted); font-size: 0.76rem; overflow-wrap: anywhere; }
.tool-error { padding: 8px 10px; border: 1px solid #fecaca; border-radius: 4px; background: #fef2f2; color: #b91c1c; font-size: 0.8rem; overflow-wrap: anywhere; }
.tool-output { min-height: 56px; padding: 10px; border: 1px solid var(--border); border-radius: 4px; background: var(--code-bg); color: var(--text-body); font: 0.8rem/1.6 var(--font-mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.tool-output mark { background: #fde68a; color: #713f12; }
.tool-output-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.tool-scroll { overflow-x: auto; }
.tool-scroll table { width: 100%; border-collapse: collapse; font-size: 0.78rem; text-align: left; }
.tool-scroll th, .tool-scroll td { padding: 7px 9px; border-bottom: 1px solid var(--border); vertical-align: top; overflow-wrap: anywhere; }
.tool-scroll th { color: var(--text-main); font-size: 0.74rem; }
.tool-facts { display: grid; grid-template-columns: minmax(130px, 0.35fr) minmax(0, 1fr); gap: 0; margin: 0; border-top: 1px solid var(--border); }
.tool-facts dt, .tool-facts dd { margin: 0; padding: 7px 9px; border-bottom: 1px solid var(--border); font-size: 0.78rem; overflow-wrap: anywhere; }
.tool-facts dt { color: var(--text-muted); }
.tool-facts dd { color: var(--text-main); font-family: var(--font-mono); }
.tool-note { padding: 9px 11px; border-left: 3px solid var(--accent); background: var(--accent-bg); color: var(--text-body); font-size: 0.77rem; }
.tool-warning { border-left-color: #d97706; background: #fffbeb; }
.tool-tree { max-height: 420px; overflow: auto; padding: 9px; border: 1px solid var(--border); border-radius: 4px; background: var(--code-bg); font: 0.77rem/1.7 var(--font-mono); }
.tool-tree details { padding-left: 8px; }
.tool-tree summary { cursor: pointer; color: var(--text-main); }
.tool-tree-children { margin-left: 9px; padding-left: 9px; border-left: 1px solid var(--border); }
.tool-tree-leaf { padding-left: 16px; color: var(--text-body); overflow-wrap: anywhere; }
.tool-copy-row { display: flex; gap: 7px; }
.tool-copy-row input { flex: 1; }
.tool-copy-row button { padding: 5px 10px; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; }
.subnet-bits { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; font: 700 0.82rem/1.8 var(--font-mono); }
.subnet-bits span { min-width: 12px; text-align: center; }
.subnet-bits .network-bit { color: #1d4ed8; background: #dbeafe; }
.subnet-bits .host-bit { color: #6b7280; background: #f3f4f6; }
.tool-trace { padding-left: 20px; color: var(--text-body); font-size: 0.8rem; }
.tool-trace li { padding: 3px 0; }
.capture-results { display: grid; gap: 8px; }
.capture-command { display: grid; gap: 5px; padding: 10px; border: 1px solid var(--border); border-radius: 4px; }
.capture-command > span { color: var(--text-muted); font-size: 0.72rem; }
.capture-command code { color: var(--text-main); font: 0.78rem/1.55 var(--font-mono); overflow-wrap: anywhere; }
.capture-command button { justify-self: start; }
@media (max-width: 640px) {
  .tools-shell { margin-top: 18px; padding-inline: 14px; }
  .tool-card { padding: 13px; }
  .tool-output-grid { grid-template-columns: 1fr; }
  .tool-title-row h2 { font-size: 1rem; }
  .tools-directory { top: 0; }
  .tool-facts { grid-template-columns: minmax(110px, 0.4fr) minmax(0, 1fr); }
}