/* Part 107 Waiver Explorer: light, neutral, traditional academic styling */

:root {
  --bg: #fdfdfc;
  --panel: #ffffff;
  --ink: #1c1c1a;
  --muted: #6b6862;
  --border: #e3e1dc;
  --faint: #f4f3f0;
  --navy: #2b5f96;
  --navy-dark: #1f4a73;
  --terra: #c05a36;
  --link: #2b5f96;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

code { background: var(--faint); border: 1px solid var(--border); border-radius: 3px;
  padding: 0 4px; font-size: 0.88em; }

a { color: var(--link); }

/* ---------- header ---------- */
.site-header { background: var(--panel); border-bottom: 1px solid var(--border); padding: 26px 0 18px; }
.site-header h1 { font-family: Georgia, "Times New Roman", serif; font-size: 24px;
  font-weight: 600; margin: 0 0 8px; display: flex; align-items: center; gap: 12px; }
.brand-icon { width: 34px; height: 34px; color: var(--navy); flex: none; }
.h-icon { width: 19px; height: 19px; color: var(--navy); margin-right: 9px;
  vertical-align: -3px; }
.kicker { margin: 0 0 12px; font-family: Georgia, "Times New Roman", serif;
  font-size: 15px; font-style: italic; color: var(--muted); }
.subtitle { margin: 0 0 6px; max-width: 60em; color: var(--ink); }
.provenance { margin: 0; font-size: 12.5px; color: var(--muted); }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 4px; margin-top: 14px; border-bottom: 1px solid var(--border);
  flex-wrap: wrap; }
.tab { appearance: none; background: none; border: 1px solid transparent; border-bottom: none;
  padding: 8px 14px; font: inherit; font-size: 14px; color: var(--muted); cursor: pointer;
  border-radius: 6px 6px 0 0; }
.tab:hover { color: var(--ink); }
.tab.active { background: var(--panel); border-color: var(--border); color: var(--ink);
  font-weight: 600; margin-bottom: -1px; }

/* ---------- panels ---------- */
.tabpane { display: none; }
.tabpane.active { display: block; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  margin: 18px 0; padding: 18px 20px 20px; }
.panel-head h2 { font-family: Georgia, "Times New Roman", serif; font-size: 20px;
  font-weight: 600; margin: 0 0 6px; }
.panel-note { margin: 0 0 12px; color: var(--muted); font-size: 13.5px; max-width: 62em; }
.prose p { max-width: 66em; }

.loading { padding: 60px 0; text-align: center; color: var(--muted); }
.loadnote { font-size: 12.5px; margin-top: 10px; }

/* ---------- controls ---------- */
.controls { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center;
  margin-bottom: 12px; font-size: 13.5px; }
.controls label { color: var(--muted); }
select, .chip {
  font: inherit; font-size: 13.5px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--panel); color: var(--ink); padding: 5px 10px;
}
.chip { cursor: pointer; }
.chip:hover { border-color: var(--navy); }
.chip.on { background: var(--navy); border-color: var(--navy); color: #fff; }

/* ---------- charts ---------- */
.chart { width: 100%; overflow-x: auto; }
.chart svg { display: block; }
.legend-row { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center;
  font-size: 12.5px; color: var(--muted); margin-top: 8px; }
.legend-swatch { display: inline-block; width: 12px; height: 12px; border-radius: 2px;
  margin-right: 5px; vertical-align: -1px; }
.legend-line { display: inline-block; width: 18px; height: 0; border-top: 2.5px solid;
  margin-right: 5px; vertical-align: 3px; }

.cell, .barseg, .statepath, .wpoint, .qbar { cursor: pointer; }
.statepath:hover { stroke: var(--ink); stroke-width: 1.4px; }

/* ---------- tooltip ---------- */
.tooltip {
  position: fixed; z-index: 60; pointer-events: none; background: #fff;
  border: 1px solid var(--border); border-radius: 6px; box-shadow: 0 4px 14px rgba(0,0,0,.09);
  padding: 8px 11px; font-size: 12.8px; max-width: 300px; line-height: 1.45;
}
.tooltip .tt-title { font-weight: 600; margin-bottom: 2px; }
.tooltip .tt-muted { color: var(--muted); }

/* ---------- drill panel ---------- */
.drill-backdrop { position: fixed; inset: 0; background: rgba(20,20,18,.25); z-index: 79; }
.drill {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(560px, 94vw); z-index: 80;
  background: var(--panel); border-left: 1px solid var(--border);
  box-shadow: -6px 0 24px rgba(0,0,0,.10); display: flex; flex-direction: column;
}
.drill-head { display: flex; justify-content: space-between; align-items: flex-start;
  padding: 16px 18px 10px; border-bottom: 1px solid var(--border); }
.drill-head h3 { margin: 0 0 4px; font-family: Georgia, serif; font-size: 17px; }
.drill-query { margin: 0; font-size: 12.5px; color: var(--muted); max-width: 44em; }
.drill-close { appearance: none; border: none; background: none; font-size: 26px;
  line-height: 1; color: var(--muted); cursor: pointer; padding: 0 2px; }
.drill-close:hover { color: var(--ink); }
.drill-body { overflow-y: auto; padding: 10px 18px 24px; }

.rec { border-bottom: 1px solid var(--faint); padding: 9px 0; font-size: 13.2px; }
.rec .rec-org { font-weight: 600; }
.rec .rec-meta { color: var(--muted); font-size: 12.3px; }
.rec a { font-size: 12.3px; }
.drill-more { color: var(--muted); font-size: 12.5px; padding: 10px 0; }
.drill-src { background: var(--faint); border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 10px; font-size: 12.3px; color: var(--muted); margin: 10px 0; }

/* ---------- implications ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card { border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; background: var(--panel); }
.card .big { font-family: Georgia, serif; font-size: 30px; font-weight: 600; color: var(--navy-dark); }
.card .card-title { font-weight: 600; margin: 2px 0 6px; }
.card p { margin: 0 0 10px; font-size: 13.2px; color: var(--muted); }
.verify-btn { appearance: none; font: inherit; font-size: 12.5px; border: 1px solid var(--border);
  background: var(--faint); border-radius: 6px; padding: 4px 10px; cursor: pointer; color: var(--ink); }
.verify-btn:hover { border-color: var(--navy); color: var(--navy); }

.planner { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 8px 16px; margin-bottom: 14px; }
.planner label { display: flex; gap: 8px; align-items: flex-start; font-size: 13.5px;
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; cursor: pointer; }
.planner label:hover { border-color: var(--navy); }
.planner input { margin-top: 3px; }
.planner .sec { font-weight: 600; }
.planner .secdesc { color: var(--muted); font-size: 12.3px; }

.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px; margin: 12px 0; }
.insight { border-left: 3px solid var(--navy); background: var(--faint);
  padding: 10px 14px; border-radius: 0 6px 6px 0; margin: 8px 0; font-size: 13.6px; max-width: 66em; }
.insight.warn { border-left-color: var(--terra); }

.brief-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px; margin: 12px 0; }

.datatable { border-collapse: collapse; font-size: 13px; margin: 12px 0; }
.datatable th, .datatable td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
.datatable th { background: var(--faint); }

@media (max-width: 700px) {
  .site-header h1 { font-size: 22px; }
}