:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1f2630;
  --border: #2a3340;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar h1 { margin: 0; font-size: 18px; font-weight: 600; }
.topbar .back { color: var(--accent); text-decoration: none; margin-right: 8px; }
.muted { color: var(--muted); font-weight: normal; }
.small { font-size: 12px; }

.controls { display: flex; gap: 12px; align-items: center; }
.controls label { display: flex; gap: 6px; align-items: center; font-size: 13px; color: var(--muted); }
select {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 4px 8px; border-radius: 4px; font-size: 13px;
}

.kpis {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px; padding: 16px 24px;
}
.kpi {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px;
}
.kpi .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi .value { font-size: 24px; font-weight: 600; margin-top: 4px; }
.kpi .delta { font-size: 12px; margin-top: 2px; }
.delta.up { color: var(--green); }
.delta.down { color: var(--red); }
.delta.flat { color: var(--muted); }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  margin: 0 24px 16px; padding: 16px;
}
.card-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
.card-head h2 { margin: 0; font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }

/* Lock canvas size — prevents Chart.js resize loop when maintainAspectRatio:false */
.chart-wrap { position: relative; height: 320px; width: 100%; }

.grid-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  padding: 0 24px 0 0;
}
.grid-2 > .card { margin-right: 0; }

.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left; color: var(--muted); font-weight: 500;
  border-bottom: 1px solid var(--border); padding: 6px 8px; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.table td { padding: 8px; border-bottom: 1px solid var(--border); }
.table tbody tr:hover { background: var(--panel-2); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table a { color: var(--accent); text-decoration: none; }
.table a:hover { text-decoration: underline; }

.opp-list { max-height: 480px; overflow-y: auto; }
.opp {
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: start;
}
.opp:last-child { border-bottom: none; }
.opp .badge {
  background: var(--panel-2); border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 12px; font-size: 11px; white-space: nowrap;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.badge.quick_win { color: var(--green); border-color: var(--green); }
.badge.low_ctr { color: var(--yellow); border-color: var(--yellow); }
.badge.decaying { color: var(--red); border-color: var(--red); }
.badge.riser { color: var(--accent); border-color: var(--accent); }
.badge.cannibalization { color: #d2a8ff; border-color: #d2a8ff; }
.badge.slow_to_rank { color: var(--muted); }
.opp .body { min-width: 0; }
.opp .body .title { font-weight: 500; word-break: break-all; }
.opp .body .meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.opp .body .site { color: var(--accent); font-size: 12px; margin-bottom: 2px; }
.opp .score { color: var(--green); font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }

.movers { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.movers h3 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.mover { display: flex; justify-content: space-between; gap: 8px; padding: 4px 0; font-size: 12px; }
.mover .url { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mover .delta-val { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.mover .delta-val.up { color: var(--green); }
.mover .delta-val.down { color: var(--red); }

/* Sites grid (one card per site) */
.sites-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.site-card {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 12px; display: flex; flex-direction: column; gap: 6px;
  text-decoration: none; color: var(--text); transition: border-color 0.1s;
}
.site-card:hover { border-color: var(--accent); }
.site-card .name {
  font-weight: 600; font-size: 13px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.site-card .row { display: flex; justify-content: space-between; align-items: baseline; }
.site-card .clicks { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1; }
.site-card .delta { font-size: 12px; }
.site-card .meta {
  display: flex; gap: 12px; font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.4px;
}
.site-card .meta span b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.site-card .spark { height: 28px; margin-top: 2px; }
.site-card .spark path { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.site-card .spark .area { fill: var(--accent); fill-opacity: 0.12; stroke: none; }
.site-card .spark.flat path { stroke: var(--muted); }
.site-card.has-opps { border-left: 3px solid var(--yellow); padding-left: 9px; }

/* Opportunity actions */
.opp .actions {
  margin-top: 6px; padding: 8px 10px; background: var(--bg);
  border-radius: 4px; font-size: 12px; line-height: 1.5;
}
.opp .actions strong { color: var(--accent); display: block; margin-bottom: 4px; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.5px; }
.opp .actions ul { margin: 0; padding-left: 16px; }
.opp .actions li { margin: 2px 0; color: var(--text); }
.opp .actions code { background: var(--panel-2); padding: 1px 5px; border-radius: 3px; font-size: 11px; }
.opp .actions.ai {
  background: linear-gradient(180deg, rgba(88,166,255,0.06), var(--bg));
  border-left: 2px solid var(--accent);
}
.opp .actions.ai strong { color: var(--accent); }
.opp .actions.ai p { margin: 4px 0; }
.opp .actions.ai .ai-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}

/* Structured action cards */
.action-list { display: flex; flex-direction: column; gap: 8px; }
.action-card {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 12px;
}
.action-card.impact-high { border-left: 3px solid var(--green); }
.action-card.impact-medium { border-left: 3px solid var(--yellow); }
.action-card.impact-low { border-left: 3px solid var(--muted); }

.action-head {
  display: flex; gap: 8px; align-items: center; margin-bottom: 6px;
  flex-wrap: wrap;
}
.impact-badge {
  font-size: 10px; font-weight: 700; letter-spacing: 0.6px;
  padding: 2px 6px; border-radius: 3px; white-space: nowrap;
}
.impact-badge.high { background: rgba(63,185,80,0.18); color: var(--green); }
.impact-badge.medium { background: rgba(210,153,34,0.18); color: var(--yellow); }
.impact-badge.low { background: rgba(139,148,158,0.18); color: var(--muted); }
.action-type {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--accent); font-weight: 600;
}
.action-label { font-size: 13px; font-weight: 500; flex: 1; min-width: 0; }
.action-rationale {
  font-size: 12px; color: var(--muted); margin-bottom: 8px; line-height: 1.5;
}

.action-row {
  display: grid; grid-template-columns: 70px 1fr;
  gap: 8px; align-items: start;
  margin-top: 6px; font-size: 12px;
}
.row-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--muted); padding-top: 4px; font-weight: 600;
}
.row-text { line-height: 1.5; min-width: 0; }
.row-text.current {
  background: rgba(248,81,73,0.06); border-left: 2px solid var(--red);
  padding: 4px 8px; border-radius: 3px;
  color: #c9a3a0; text-decoration: line-through; text-decoration-color: var(--red);
  text-decoration-thickness: 1px;
  word-break: break-word;
}
.row-text.proposed {
  display: flex; gap: 6px; align-items: flex-start;
  background: rgba(63,185,80,0.06); border-left: 2px solid var(--green);
  padding: 4px 8px; border-radius: 3px;
  word-break: break-word;
}
.row-text.proposed .text { flex: 1; min-width: 0; }
.row-text.anchor {
  color: var(--muted); font-style: italic;
}
.row-text.extra {
  display: flex; gap: 6px; align-items: flex-start;
  background: var(--bg); border: 1px solid var(--border);
  padding: 6px 8px; border-radius: 3px;
}
.row-text.extra pre {
  flex: 1; min-width: 0; margin: 0;
  white-space: pre-wrap; word-break: break-word;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11.5px; color: var(--text);
}

.copy-btn {
  background: var(--panel); border: 1px solid var(--border); border-radius: 3px;
  padding: 2px 6px; cursor: pointer; font-size: 11px;
  white-space: nowrap; flex-shrink: 0;
  transition: background 0.1s;
}
.copy-btn:hover { background: var(--border); }
.copy-btn.copied {
  background: rgba(63,185,80,0.25); border-color: var(--green);
}
.copy-btn.copied::after { content: " ✓"; color: var(--green); }