:root{
  --bg:#ffffff;
  --text:#111;
  --muted:#666;
  --card:#f6f6f6;
  --border:#e8e8e8;
  --radius:14px;
  --shadow: 0 6px 18px rgba(0,0,0,.06);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
.header{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:74px;width:auto;display:block} /* bigger logo */
.nav a{margin-left:18px;color:#111;font-size:14px}
.container{max-width:1200px;margin:0 auto;padding:26px 28px 60px}
.hero{margin:10px 0 10px}
.hero-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap}
.hero-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:#fff;border-radius:999px;padding:8px 12px;font-size:13px;cursor:pointer}
.btn:hover{filter:brightness(.98)}
.meta-chip{border:1px solid var(--border);border-radius:999px;padding:6px 10px;background:rgba(255,255,255,.75);font-size:12px;display:flex;gap:8px;align-items:center}
.meta-chip .label{opacity:.7}
.report-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:10px}
.report-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.report-actions select{border:1px solid var(--border);border-radius:10px;padding:8px 10px;background:#fff}
.table{width:100%;border-collapse:separate;border-spacing:0}
.table th,.table td{padding:8px 10px;border-bottom:1px solid var(--border);font-size:13px;text-align:left}
.table th{opacity:.75;font-weight:600}
.delta.pos{color:#0a7a2f;font-weight:600}
.delta.neg{color:#b00020;font-weight:600}
.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px}
.chart-box{background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px}
.chart-box h3{margin:0 0 10px;font-size:14px}
.chart-canvas{width:100%;height:220px}

@media (max-width: 720px){
  .chart-canvas{height:200px}
}

/* --- Print to PDF: make it look like a report --- */
@media print{
  body{background:#fff}
  .header,.nav,.no-print{display:none !important}
  .container{max-width:none;padding:0 18px 0}
  .card{box-shadow:none;background:#fff}
  .chart-box{break-inside:avoid-page;page-break-inside:avoid}
  .card{break-inside:avoid-page;page-break-inside:avoid}
  a{color:#000;text-decoration:none}
}
.grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card h2{margin:0 0 8px}
.small{color:var(--muted);font-size:13px}
/* --- Tree timeline strip --- */
.timeline-wrap{
  position:relative;
  overflow-x:auto;
  overflow-y:hidden;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  padding:12px;
  /* smooth scrolling fights our auto-ticker (causes jitter/wriggle) */
  scroll-behavior:auto;
}
.timeline-wrap::-webkit-scrollbar{height:0px}
.timeline-wrap{scrollbar-width:none}

.thumb-row{display:flex;gap:12px;align-items:center;min-height:148px}
.thumb-row img{
  height:132px;
  width:176px;
  object-fit:cover;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.10);
  cursor:pointer;
  box-shadow: 0 10px 26px rgba(0,0,0,.10);
  background:#f5f5f5;
  flex:0 0 auto;
  transition: transform .12s ease, box-shadow .12s ease;
}
.thumb-row img:hover{transform:translateY(-1px); box-shadow:0 14px 34px rgba(0,0,0,.14)}

/* AI (Sankhya Intelligence) output */
.ai-output{
  background: #fbfbfd;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}
.ai-output .ai-h{
  font-weight: 700;
  margin: 0 0 6px;
}
.ai-output .ai-p{
  margin: 0 0 10px;
  line-height: 1.55;
}
.ai-output .ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width: 820px){.ai-output .ai-grid{grid-template-columns:1fr}}
.ai-output .ai-box{background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px}
.ai-output ul{margin:6px 0 0 18px;padding:0}
.ai-output li{margin:0 0 4px}
.ai-output .ai-muted{color:var(--muted);font-size:13px}

/* AI targets table */
.ai-output .ai-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:13px}
.ai-output .ai-table th,.ai-output .ai-table td{border:1px solid var(--border);padding:8px;vertical-align:top;text-align:left}
.ai-output .ai-table th{font-weight:700}
.footer{margin-top:22px;color:var(--muted);font-size:12px}

.baseline-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.baseline-card{border:1px solid var(--border);border-radius:16px;padding:14px;background:rgba(255,255,255,.7)}
.chart-canvas{width:100%;height:170px;display:block}
.chart-note{margin-bottom:8px}
.baseline-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid var(--border)}
.baseline-row:first-of-type{border-top:0}
.baseline-row .k{color:var(--muted);font-size:12px}
.baseline-row .v{font-weight:700}

.no-print{}
.print-only{display:none}

@media (max-width: 840px){
  .baseline-grid{grid-template-columns:1fr}
}

@media print{
  /* Keep it clean and report-like */
  header, .header, .footer, .no-print{display:none !important}
  .print-only{display:block !important}
  body{background:#fff}
  .container{max-width:100%;padding:0 8mm}
  .card{box-shadow:none !important;border:1px solid #ddd}
  .grid{gap:12px}
  .chart-canvas{height:170px}
  .charts-grid{grid-template-columns: 1fr 1fr; gap:12px}
  .card{break-inside:avoid; page-break-inside:avoid}
  h1{font-size:22px}
  h2{font-size:16px}
}
.modal{
  position:fixed;inset:0;background:rgba(0,0,0,.75);
  display:none;align-items:center;justify-content:center;z-index:9999;
}
.modal.open{display:flex}
.modal img{max-width:92vw;max-height:92vh;border-radius:14px}
#lightboxImg:not([src]),
#lightboxImg[src=""] {
  display: none;
}
/* --- Lightbox (full-screen, non-blocking) --- */
.lightbox{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.78);
  display: none !important;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  z-index: 9999;
}
.lightbox.open{
  display: flex !important;
}
.lightbox img{
  max-width: min(92vw, 1200px);
  max-height: 82vh;
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
  background: #111;
}
.lightbox-meta{
  color: rgba(255,255,255,.86);
  font-size: 13px;
  max-width: min(92vw, 1200px);
  text-align: center;
}
.lightbox .lightbox-close{
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(0,0,0,.35);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.lightbox .lightbox-close:hover{filter:brightness(1.05)}
/* Lightbox loading spinner */
.lightbox-spinner{
  width:42px;
  height:42px;
  border-radius:50%;
  border:4px solid rgba(255,255,255,.28);
  border-top-color: rgba(255,255,255,.95);
  animation: spin 0.9s linear infinite;
  margin: 22px 0;
}
@keyframes spin{to{transform:rotate(360deg)}}


/* ── Pinned insights board ───────────────────────────────────────── */
.pinned-board{display:flex;flex-direction:column;gap:8px}
.pin-empty{color:var(--muted);font-size:13px;padding:10px 0}
.pin-card{background:#fffef5;border:1px solid #e8d87a;border-radius:12px;padding:10px 12px}
.pin-card-dim{opacity:0.6}
.pin-text{font-size:13px;margin-bottom:6px;line-height:1.45}
.pin-footer{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pin-badge{font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}
.pin-badge-valid{background:#e8f5e9;color:#2e7d32}
.pin-badge-resolved{background:#e3f2fd;color:#1565c0}
.pin-badge-super{background:#f3e5f5;color:#7b1fa2}
.pin-badge-pending{background:#f5f5f5;color:#757575}
.pin-note{font-size:11px;color:var(--muted);flex:1}
.pin-remove{margin-left:auto;background:transparent;border:none;color:#999;cursor:pointer;font-size:14px;padding:2px 4px;line-height:1}
.pin-remove:hover{color:#c62828}

/* ── Pinnable suggestion block ───────────────────────────────────── */
.ai-box-pinnable{background:#fffef5;border-color:#e8d87a}
.btn-pin{font-size:11px;padding:3px 10px;border:1px solid #c8b400;background:#fff9c4;color:#5d4e00;border-radius:6px;cursor:pointer;white-space:nowrap;flex-shrink:0}
.btn-pin:hover{background:#fff176}
.btn-pin:disabled{opacity:0.6;cursor:default}

/* ── Event row actions ────────────────────────────────────────────── */
.btn-sm{font-size:12px;padding:3px 8px;border:1px solid var(--border);border-radius:6px;background:#f5f5f5;cursor:pointer;line-height:1.4}
.btn-sm:hover{background:#ebebeb}
.btn-sm-danger:hover{background:#ffebee;border-color:#ef9a9a;color:#c62828}