:root {
  --bg: #0f1419;
  --panel: #1a2129;
  --panel-2: #222c36;
  --ink: #e8eef3;
  --muted: #8da3b5;
  --accent: #4cc9a0;
  --accent-2: #f4a259;
  --border: #2b3742;
  --good: #1a9850;
  --gain1: #66bd63;
  --gain2: #fdae61;
  --fail: #d73027;
  --nodata: #3a444e;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; font-family: -apple-system, BlinkMacSystemFont,
  "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--ink); }
#app { display: grid; grid-template-columns: 320px 1fr; height: 100vh; position: relative;
  transition: grid-template-columns .2s ease; }
#app.left-collapsed { grid-template-columns: 0 1fr; }
#app.left-collapsed #sidebar { padding-left: 0; padding-right: 0; overflow: hidden; }

/* collapse / reopen controls */
.panel-toggle { position: absolute; top: 12px; right: 10px; z-index: 5; background: var(--panel-2);
  color: var(--muted); border: 1px solid var(--border); border-radius: 7px; font-size: 11px;
  padding: 3px 8px; cursor: pointer; }
.panel-toggle:hover { color: var(--ink); }
.panel-reopen, .detail-reopen { position: fixed; z-index: 1200; background: var(--panel-2);
  color: var(--ink); border: 1px solid var(--accent); border-radius: 8px; font-size: 12px;
  padding: 7px 11px; cursor: pointer; box-shadow: 0 4px 14px rgba(0,0,0,.4); display: none; }
.panel-reopen { top: 12px; left: 12px; }
.detail-reopen { top: 50%; right: 0; transform: translateY(-50%); border-radius: 8px 0 0 8px;
  border-right: none; }
#app.left-collapsed .panel-reopen { display: block; }
.detail-reopen.show { display: block; }

/* ---- sidebar ---- */
#sidebar { background: var(--panel); border-right: 1px solid var(--border);
  padding: 18px 16px; overflow-y: auto; }
.wip-badge { display: inline-block; margin-bottom: 9px; padding: 3px 9px; border-radius: 20px;
  font-size: 10.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: #ffd9a8; background: rgba(244,162,89,.16); border: 1px solid rgba(244,162,89,.5); }
.wip-note { font-size: 11.5px; color: var(--accent-2); line-height: 1.5;
  border-left: 2px solid rgba(244,162,89,.6); padding-left: 9px; margin-top: 10px; }
#sidebar header h1 { font-size: 22px; line-height: 1.05; margin: 0 0 4px; letter-spacing: .2px; }
#sidebar .sub { color: var(--muted); font-size: 12px; margin: 0 0 14px; }
.control { margin-bottom: 18px; }
.ctl-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin-bottom: 6px; }
select, input[type=text] { width: 100%; padding: 8px 10px; background: var(--panel-2);
  color: var(--ink); border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }
.note p { font-size: 12px; color: var(--muted); line-height: 1.5; }
.legend { margin-top: 10px; font-size: 11px; color: var(--muted); }
.legend .bar { height: 10px; border-radius: 5px; margin-bottom: 4px; }
.legend .ends { display: flex; justify-content: space-between; }
#searchResults { list-style: none; margin: 6px 0 0; padding: 0; max-height: 220px; overflow-y: auto; }
#searchResults li { padding: 6px 8px; font-size: 13px; border-radius: 6px; cursor: pointer; }
#searchResults li:hover { background: var(--panel-2); }
#searchResults li .c { color: var(--muted); font-size: 11px; }
#meta-foot { font-size: 11px; color: var(--muted); border-top: 1px solid var(--border);
  padding-top: 10px; margin-top: 6px; }
.ou-claim { margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--border); }
.ou-claim p { font-size: 9.5px; line-height: 1.45; color: #6f8090; margin: 0 0 7px; }

/* ---- map ---- */
#map { height: 100%; background: #0b0f14; position: relative; z-index: 0; }
.leaflet-container { background: #0b0f14; }
.region-tip { font-size: 12px; }
.region-tip b { font-size: 13px; }

/* ---- detail drawer ---- */
#detail { position: absolute; top: 0; right: 0; width: 440px; max-width: 92vw; height: 100vh;
  background: var(--panel); border-left: 1px solid var(--border); box-shadow: -8px 0 30px rgba(0,0,0,.4);
  padding: 18px 20px 40px; overflow-y: auto; transition: transform .25s ease; z-index: 1000; }
#detail.hidden { transform: translateX(110%); }
#closeDetail { position: absolute; top: 12px; right: 14px; background: none; border: none;
  color: var(--muted); font-size: 26px; cursor: pointer; line-height: 1; }
#closeDetail:hover { color: var(--ink); }
#rName { margin: 0 30px 2px 0; font-size: 21px; }
.crumb { color: var(--muted); font-size: 12px; margin-bottom: 14px; }

.ds-tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.ds-tab { flex: 1; padding: 8px; font-size: 12px; background: var(--panel-2); color: var(--muted);
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer; }
.ds-tab.active { color: var(--ink); border-color: var(--accent); }
.ds-tab.disabled { opacity: .45; cursor: not-allowed; }

/* numbers grid */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 4px 0 18px; }
.card { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; }
.card .k { font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.card .v { font-size: 19px; font-weight: 600; margin-top: 3px; }
.card .v small { font-size: 11px; color: var(--muted); font-weight: 400; }
.section-h { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent);
  margin: 20px 0 8px; border-bottom: 1px solid var(--border); padding-bottom: 5px; }

/* feasibility tiers */
.tiers { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.tier { display: flex; align-items: center; gap: 8px; font-size: 12.5px; padding: 7px 9px;
  border-radius: 8px; background: var(--panel-2); border: 1px solid var(--border); }
.tier .dot { width: 11px; height: 11px; border-radius: 3px; flex: none; }
.tier .lbl { flex: 1; }
.tier .val { color: var(--muted); }
.badge { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge.yes { background: rgba(26,152,80,.22); color: #7bd88f; }
.badge.no { background: rgba(215,48,39,.22); color: #f1928a; }

.chart { width: 100%; height: 240px; margin: 4px 0 10px; }
.chart.mini { height: 168px; margin: 0 0 2px; }
.chart-cap { font-size: 11px; color: var(--muted); margin: -4px 0 14px; }
.pending { background: var(--panel-2); border: 1px dashed var(--border); border-radius: 10px;
  padding: 22px; text-align: center; color: var(--muted); font-size: 13px; }
.links { display: flex; gap: 14px; flex-wrap: wrap; margin: 8px 0 2px; }
.links a { color: var(--accent); font-size: 12px; text-decoration: none; }
.links a:hover { text-decoration: underline; }
.dl-links { display: flex; flex-direction: column; gap: 4px; }
.dl-links a { color: var(--accent); font-size: 12px; text-decoration: none; }
.dl-links a:hover { text-decoration: underline; }

.kmatrix { width: 100%; border-collapse: collapse; font-size: 12px; margin: 6px 0 4px; }
.kmatrix th { color: var(--muted); font-weight: 500; text-align: center; padding: 4px 3px;
  border-bottom: 1px solid var(--border); font-size: 11px; }
.kmatrix th:first-child, .kmatrix td:first-child { text-align: left; }
.kmatrix td { text-align: center; padding: 5px 3px; }
.kmatrix .dot { width: 9px; height: 9px; border-radius: 2px; display: inline-block; margin-right: 5px; }
.kmatrix .yc { color: #7bd88f; font-weight: 700; }
.kmatrix .nc { color: #54606b; }

.assumptions { margin: 22px 0 6px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--panel-2); }
.assumptions summary { cursor: pointer; padding: 10px 12px; font-size: 12px; color: var(--accent);
  user-select: none; }
.assumptions .abody { padding: 4px 14px 12px; }
.assumptions .arow { font-size: 11.5px; color: var(--muted); line-height: 1.55; margin-bottom: 8px; }
.assumptions .arow b { color: var(--ink); }

@media (max-width: 720px) {
  #app { grid-template-columns: 1fr; }
  #sidebar { display: none; }
  #detail { width: 100vw; }
}

/* ---------------- AI assistant ---------------- */
.chat-fab {
  position: fixed; right: 18px; bottom: 18px; z-index: 1400;
  padding: 11px 16px; border-radius: 24px; border: none; cursor: pointer;
  background: var(--accent); color: #06231a; font-size: 14px; font-weight: 700;
  box-shadow: 0 6px 20px rgba(0,0,0,.4);
}
.chat-fab:hover { filter: brightness(1.07); }
.chat-panel {
  position: fixed; right: 18px; bottom: 70px; z-index: 1400;
  width: 360px; max-width: calc(100vw - 36px); height: 480px; max-height: calc(100vh - 110px);
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,.5); overflow: hidden;
}
.chat-panel.hidden { display: none; }
.chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 14px;
  background: var(--panel-2);
}
.chat-head button { background: none; border: none; color: var(--muted); font-size: 22px; cursor: pointer; line-height: 1; }
.chat-head button:hover { color: var(--ink); }
.chat-log { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 9px; }
.chat-msg {
  max-width: 84%; padding: 8px 12px; border-radius: 13px; font-size: 13px; line-height: 1.45;
  white-space: pre-wrap; word-wrap: break-word;
}
.chat-msg.user { align-self: flex-end; background: var(--accent); color: #06231a; border-bottom-right-radius: 4px; }
.chat-msg.assistant { align-self: flex-start; background: var(--panel-2); color: var(--ink); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.chat-msg.thinking { color: var(--muted); font-style: italic; letter-spacing: 2px; }
.chat-input { display: flex; gap: 7px; padding: 10px; border-top: 1px solid var(--border); }
.chat-input input {
  flex: 1; padding: 9px 12px; border-radius: 20px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--ink); font-size: 13px;
}
.chat-input input:focus { outline: none; border-color: var(--accent); }
.chat-input button {
  border: none; border-radius: 50%; width: 38px; height: 38px; cursor: pointer;
  background: var(--accent); color: #06231a; font-size: 15px; flex-shrink: 0;
}
@media (max-width: 560px) { .chat-panel { right: 8px; left: 8px; width: auto; } }

/* chat: upload chip + analysis result card */
.chat-upload {
  margin: 0 10px; padding: 6px 10px; font-size: 12px; color: var(--ink);
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  display: flex; align-items: center; justify-content: space-between;
}
.chat-upload.hidden { display: none; }
.chat-upload button { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 16px; }
.chat-upload button:hover { color: var(--ink); }
.chat-card {
  align-self: stretch; background: var(--panel-2); border: 1px solid var(--accent);
  border-radius: 12px; padding: 10px 12px; font-size: 12.5px;
}
.chat-card .cc-h { font-weight: 700; margin-bottom: 6px; color: var(--accent); }
.chat-card .cc-row { display: flex; justify-content: space-between; padding: 2px 0; }
.chat-card .cc-row span { color: var(--muted); }
.chat-card .cc-row b.ok { color: var(--accent); }
.chat-card .cc-row b.no { color: #f4a259; }