:root {
  --bg: #0b0f14;
  --panel: #121820;
  --panel-2: #18202a;
  --border: #243040;
  --text: #dbe4ee;
  --muted: #7d8a99;
  --accent: #4cc2ff;
  --ok: #3ecf8e;
  --ok-bg: rgba(62, 207, 142, 0.12);
  --fail: #ff6b6b;
  --fail-bg: rgba(255, 107, 107, 0.12);
  --warn: #f5b74e;
  --warn-bg: rgba(245, 183, 78, 0.12);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 var(--sans); }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 12px; }
h3 { font-size: 13px; margin: 0 0 6px; color: var(--muted); font-weight: 600; }

/* Top bar */
.topbar { display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--panel); }
.brand { font-weight: 700; font-size: 16px; letter-spacing: .01em; }
.logo { color: var(--accent); margin-right: 6px; }
.topbar-right { display: flex; gap: 14px; align-items: center; }
.link { color: var(--muted); text-decoration: none; }
.link:hover { color: var(--text); }

/* Layout */
.layout { display: grid; grid-template-columns: 340px 1fr; gap: 20px; padding: 20px 24px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; padding: 16px; } }
.side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 20px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }

/* Form */
textarea { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px; font: 13px/1.5 var(--mono); resize: vertical; }
textarea:focus { outline: none; border-color: var(--accent); }
.btn { border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 8px 16px; border-radius: 8px; font-weight: 600; cursor: pointer; }
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #04121c; }
.btn-primary:hover { filter: brightness(1.1); }
form .btn { margin-top: 10px; width: 100%; }
.examples { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 12px; }
.chip { background: transparent; color: var(--accent); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px 10px; font-size: 12px; cursor: pointer; }
.chip:hover { border-color: var(--accent); }

/* Inventory & guarantees */
.inventory, .guarantees ul { list-style: none; margin: 0; padding: 0; }
.inventory li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.inventory li:last-child { border-bottom: none; }
.vendor { font-size: 11px; padding: 1px 8px; border-radius: 999px; text-transform: uppercase; letter-spacing: .04em; }
.vendor-cisco_ios { background: rgba(76, 194, 255, .12); color: var(--accent); }
.vendor-huawei_vrp { background: rgba(255, 107, 107, .12); color: #ff9a8a; }
.guarantees li { padding: 4px 0 4px 18px; position: relative; color: var(--muted); }
.guarantees li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); }

/* Badges */
.badge { font-size: 11px; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }

/* Runs */
.runs { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.empty { padding: 40px; text-align: center; border: 1px dashed var(--border); border-radius: 10px; }
.run ~ .empty { display: none; }
.run { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px;
  animation: in .25s ease-out; }
@keyframes in { from { opacity: 0; transform: translateY(-4px); } }
.run-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 12px; }
.run-request { margin: 0; font-size: 15px; font-weight: 600; flex: 1; min-width: 200px; }

/* Steps timeline */
.steps { list-style: none; margin: 0 0 14px; padding: 0 0 0 4px; border-left: 2px solid var(--border); }
.step { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; padding: 5px 0 5px 14px;
  position: relative; animation: in .2s ease-out; }
.step-icon { position: absolute; left: -11px; width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; font-size: 11px; font-weight: 700; top: 6px; }
.step-ok .step-icon { background: var(--ok-bg); color: var(--ok); }
.step-fail .step-icon { background: var(--fail-bg); color: var(--fail); }
.step-name { font-weight: 600; min-width: 120px; }
.step-fail .step-name { color: var(--fail); }
.attempt { font-size: 11px; color: var(--muted); border: 1px solid var(--border); border-radius: 4px; padding: 0 6px; }
.step-detail { color: var(--muted); font-size: 12px; flex-basis: 100%; overflow-wrap: anywhere; }
.step-fail .step-detail { color: #ffa3a3; }
.working { color: var(--muted); display: flex; align-items: center; gap: 8px; padding: 6px 0; }
.spinner { width: 14px; height: 14px; border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Results */
.diffs { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.diff { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.diff-head { background: var(--panel-2); padding: 6px 12px; display: flex; justify-content: space-between; }
.diff pre { margin: 0; padding: 10px 12px; font: 12px/1.6 var(--mono); background: var(--bg); overflow-x: auto; }
.d-add { color: var(--ok); background: var(--ok-bg); display: inline-block; width: 100%; }
.d-del { color: var(--fail); background: var(--fail-bg); display: inline-block; width: 100%; }
.d-hunk { color: var(--accent); }
.d-meta { color: var(--muted); }
.commands, .explanation { margin-top: 14px; padding: 12px 14px; background: var(--panel-2); border-radius: 8px; }
.explanation p { margin: 0; white-space: pre-line; }
.approval { display: flex; gap: 10px; margin-top: 14px; }
.verdict { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.verdict-ok { color: var(--ok); }
.verdict-fail { color: var(--fail); }
.findings { width: 100%; border-collapse: collapse; font-size: 13px; display: block; overflow-x: auto; }
.findings th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--muted); padding: 6px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.findings td { padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.row-fail { background: var(--fail-bg); }
.pill { font-size: 11px; font-weight: 700; padding: 1px 8px; border-radius: 4px; }
.pill-ok { background: var(--ok-bg); color: var(--ok); }
.pill-fail { background: var(--fail); color: #1a0505; }
.callout { padding: 12px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel-2); flex: 1; }
.callout-ok { border-color: var(--ok); background: var(--ok-bg); }
.callout-fail { border-color: var(--fail); background: var(--fail-bg); }
.callout p { margin: 6px 0 0; }
.findings td:not(:last-child) { white-space: nowrap; }
@media (max-width: 900px) { .side { position: static; } }
.before { margin-bottom: 14px; border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; }
.before summary { cursor: pointer; color: var(--fail); font-weight: 600; }
.before[open] summary { margin-bottom: 8px; }
.rollback-plan { margin-top: 10px; }
.artefacts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.artefacts a.btn { text-decoration: none; font-size: 12px; padding: 6px 12px; }
.artefacts button.btn { font-size: 12px; padding: 6px 12px; }
.journal { list-style: none; margin: 0 0 8px; padding: 0; }
.journal li { display: flex; gap: 8px; align-items: baseline; padding: 4px 0; flex-wrap: wrap; }
.pill-warn { background: var(--warn-bg); color: var(--warn); }
.fail { color: var(--fail); }
.upload { display: flex; flex-direction: column; gap: 6px; margin: 8px 0 10px; }
.upload input { font-size: 12px; color: var(--muted); }
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; width: 100%; }
.thumbs img { max-height: 110px; max-width: 100%; border-radius: 6px; border: 1px solid var(--border); display: block; }
.reading { border-left: 3px solid var(--accent); padding: 4px 10px; margin-bottom: 12px; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 0 0 10px; color: var(--muted); }
.check input { margin-top: 2px; }
.policies { list-style: none; margin: 0 0 8px; padding: 0; }
.policies li { display: flex; gap: 8px; align-items: baseline; padding: 4px 0; flex-wrap: wrap; }
.policies .chip { margin-left: auto; }
.risk { margin-top: 10px !important; }
.demo-note { border-color: var(--warn); line-height: 1.5; }
.replays { list-style: none; margin: 0; padding: 0; }
.replays li { display: flex; flex-direction: column; gap: 4px; padding: 6px 0; }
.replays .chip { align-self: flex-start; text-align: left; }
.review { margin-top: 14px; padding: 12px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel-2); }
.review h3 { margin: 0 0 4px; font-size: 13px; }
.review p { margin: 4px 0 8px; }
.review .small { margin: 4px 0; }
.review-escalate { border-color: var(--warn); }
.ok { color: var(--ok); }
.btn-warn { background: var(--warn-bg); color: var(--warn); border-color: var(--warn); }