/* ============================================================
   Bangladesh Air Quality Atlas — FIXED single-page dashboard
   100vh, no scrollbars. Left = analytics, Right = full map.
   Same visual design system as the BDHS Health Atlas.
   ============================================================ */
:root{
  --bg:#eef2f7; --panel:#ffffff; --ink:#1b2a41; --muted:#6b7a90;
  --line:#e6ecf5; --brand:#7209b7; --brand2:#0077b6; --accent:#e63946;
  --good:#2a9d8f; --warn:#e9a020; --shadow:0 6px 20px rgba(23,42,73,.08);
  --toph:54px; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden}          /* NO SCROLL */
body{font-family:Inter,system-ui,Arial,sans-serif;color:var(--ink);
  background:radial-gradient(1200px 500px at 100% -10%, #e7dcff55, transparent),
             radial-gradient(1000px 500px at -10% 110%, #cdeeff55, transparent), var(--bg);
  display:flex;flex-direction:column}

/* ---- top bar ---- */
.topbar{height:var(--toph);flex:0 0 auto;display:flex;justify-content:space-between;align-items:center;
  gap:14px;padding:0 18px;background:linear-gradient(90deg,#2a0a52,#5a189a 45%,#0077b6);color:#fff;
  box-shadow:var(--shadow);z-index:1000}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-weight:800;
  background:#fff;color:var(--brand);font-size:14px}
.topbar h1{font-size:16px;margin:0;font-weight:800;white-space:nowrap}
.topbar p{margin:1px 0 0;font-size:11px;opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;gap:8px;align-items:center;flex:0 0 auto}
.topbar-actions button,.topbar-actions .ext{background:rgba(255,255,255,.16);color:#fff;border:0;
  padding:7px 12px;border-radius:9px;font-size:12.5px;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.topbar-actions button:hover,.topbar-actions .ext:hover{background:rgba(255,255,255,.3)}
.status-badge{display:flex;align-items:center;gap:6px;font-size:11.5px;background:rgba(255,255,255,.15);
  padding:6px 10px;border-radius:20px;cursor:pointer;color:#fff;text-decoration:none}
.status-badge:hover{background:rgba(255,255,255,.28)}
.status-badge .d{width:9px;height:9px;border-radius:50%;background:#ffd166}
.status-badge.live .d{background:#4ade80}

/* ---- main split ---- */
.stage{flex:1 1 auto;min-height:0;display:grid;grid-template-columns:57% 43%;gap:12px;padding:12px}
.panel{background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);min-height:0;overflow:hidden}
.left{display:flex;flex-direction:column;padding:12px;gap:10px;min-height:0}
.right{display:flex;flex-direction:column;position:relative;min-height:0}

/* ---- filter strip ---- */
.filters{flex:0 0 auto;display:flex;flex-wrap:wrap;gap:8px 10px;align-items:end}
.field{display:flex;flex-direction:column;gap:3px}
.field label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.field select{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 8px;font-size:12.5px;
  color:var(--ink);cursor:pointer;max-width:150px}
.field select:disabled{background:#f3f5f9;color:#aeb8c7;cursor:not-allowed}
.field.var select{font-weight:600;color:var(--brand)}
.year-wrap{display:flex;align-items:center;gap:7px}
.year-wrap input[type=range]{width:120px;accent-color:var(--brand)}
.pill{background:var(--brand);color:#fff;padding:1px 8px;border-radius:20px;font-size:11px}
.mini{background:#f0edfa;border:1px solid #d9cdf3;color:var(--brand);border-radius:8px;padding:6px 10px;
  font-weight:600;font-size:12px;cursor:pointer}
.mini:hover{background:#e6dcf7}

/* ---- KPI flashcards ---- */
.kpi-row{flex:0 0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.kpi{border-radius:12px;padding:9px 11px;color:#fff;position:relative;overflow:hidden;box-shadow:0 3px 10px rgba(23,42,73,.12)}
.kpi.c0{background:linear-gradient(135deg,#e63946,#b5179e)}
.kpi.c1{background:linear-gradient(135deg,#7209b7,#560bad)}
.kpi.c2{background:linear-gradient(135deg,#0077b6,#0096c7)}
.kpi.c3{background:linear-gradient(135deg,#2a9d8f,#1b9aaa)}
.kpi-name{font-size:10.5px;font-weight:600;opacity:.9;text-transform:uppercase;letter-spacing:.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kpi-val{font-size:24px;font-weight:800;line-height:1.15}
.kpi-val span{font-size:12px;font-weight:600;opacity:.85}
.kpi-delta{font-size:10.5px;font-weight:700;opacity:.95}
.kpi-flag{position:absolute;top:8px;right:9px;width:9px;height:9px;border-radius:50%;border:1.5px solid rgba(255,255,255,.7)}

/* ---- narrative ---- */
.narrative{flex:0 0 auto;background:#f7f9fc;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:9px;padding:7px 11px;font-size:12.5px;line-height:1.45;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.muted{color:var(--muted)}

/* ---- fixed 3×2 chart grid — fills the panel, NO scroll ---- */
.cgrid{flex:1 1 auto;min-height:0;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,1fr);gap:10px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 10px;
  box-shadow:0 2px 8px rgba(23,42,73,.05);display:flex;flex-direction:column;min-width:0;min-height:0}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px;gap:8px;flex:0 0 auto}
.card-head h3{margin:0;font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.head-opts{display:flex;gap:5px;align-items:center;font-size:11px;color:var(--muted)}
.head-opts select{border:1px solid var(--line);border-radius:7px;padding:2px 4px;font-size:10.5px;max-width:110px}
.png{background:transparent;border:1px solid var(--line);border-radius:7px;padding:2px 7px;font-size:11px;
  color:var(--muted);cursor:pointer;flex:0 0 auto}
.png:hover{background:#f2f5fa;color:var(--ink)}
.ch{position:relative;flex:1 1 auto;min-height:0}
.ch canvas{position:absolute;inset:0}

/* ---- data table ---- */
.dtable{width:100%;border-collapse:collapse;font-size:12px}
.dtable th,.dtable td{padding:6px 9px;border-bottom:1px solid var(--line);text-align:left}
.dtable th{position:sticky;top:0;background:#f5f7fb;font-weight:700;color:var(--muted);font-size:10.5px;
  text-transform:uppercase;letter-spacing:.3px}
.dtable th.sortable{cursor:pointer;user-select:none}.dtable th.sortable:hover{color:var(--brand)}
.dtable td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.dtable tbody tr:hover{background:#f7f9fd}
.rel-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}

/* ---- map ---- */
#map{flex:1 1 auto;min-height:0;width:100%;border-radius:var(--radius);z-index:1}
.map-bar{position:absolute;top:10px;left:10px;right:10px;z-index:500;display:flex;justify-content:space-between;
  align-items:flex-start;gap:8px;pointer-events:none}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:3px;background:rgba(255,255,255,.94);
  border:1px solid var(--line);border-radius:20px;padding:5px 11px;font-size:12px;box-shadow:var(--shadow);pointer-events:auto}
.crumb{cursor:pointer;color:var(--brand2);font-weight:600}
.crumb:hover{text-decoration:underline}.crumb.current{color:var(--ink);cursor:default}
.crumb-sep{color:var(--muted)}
.map-right{display:flex;flex-direction:column;gap:6px;align-items:flex-end;pointer-events:auto}
.map-filter{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#fff;font-size:11px;font-weight:700;
  padding:4px 11px;border-radius:20px;box-shadow:var(--shadow)}
.map-btn{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:8px;padding:5px 10px;
  font-size:11.5px;font-weight:600;color:var(--brand);cursor:pointer;box-shadow:var(--shadow)}
.map-btn:hover{background:#fff}
/* glassmorphism info flashcard */
.map-info{background:rgba(255,255,255,.62);backdrop-filter:blur(10px) saturate(160%);
  -webkit-backdrop-filter:blur(10px) saturate(160%);border:1px solid rgba(255,255,255,.6);
  padding:11px 13px;border-radius:14px;box-shadow:0 8px 26px rgba(23,42,73,.18);font-size:12px;
  line-height:1.5;max-width:230px}
.map-info .gi-name{font-size:14px;font-weight:800;color:#1b2a41;margin-bottom:2px}
.map-info .gi-val{font-size:26px;font-weight:800;line-height:1.1;background:linear-gradient(90deg,var(--brand),var(--brand2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.map-info .gi-val small{font-size:13px;-webkit-text-fill-color:initial;color:var(--muted)}
.map-info .gi-rel{display:inline-flex;align-items:center;gap:5px;font-weight:600;margin-top:3px}
.map-info .rel-dot{width:9px;height:9px}
.map-info .gi-sub{color:var(--muted);margin-top:2px}

/* permanent map labels */
.map-label{background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.7);border-radius:8px;
  padding:2px 6px;font-size:10.5px;font-weight:700;color:#1b2a41;box-shadow:0 2px 6px rgba(23,42,73,.15);
  white-space:nowrap;text-align:center;line-height:1.25}
.map-label b{color:var(--brand);font-weight:800}
.map-label:before{display:none}   /* hide leaflet tooltip arrow */
.leaflet-tooltip.map-label{white-space:nowrap}
.map-legend{background:#fff;padding:8px 10px;border-radius:10px;box-shadow:var(--shadow);font-size:10.5px;line-height:1.6}
.map-legend .legend-title{font-weight:700;margin-bottom:3px;font-size:11px}
.map-legend i{width:13px;height:13px;display:inline-block;margin-right:5px;border-radius:3px;vertical-align:-2px}
.map-legend .legend-note{margin-top:4px;color:var(--muted);border-top:1px solid var(--line);padding-top:4px}

/* ---- compare modal ---- */
.cmodal{position:fixed;inset:0;background:rgba(20,10,45,.45);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;z-index:3000}
.cmodal-box{background:#fff;width:min(860px,94vw);max-height:92vh;overflow:auto;border-radius:16px;
  box-shadow:0 24px 60px rgba(0,0,0,.35);padding:18px 20px;display:flex;flex-direction:column;gap:12px}
.cmodal-head{display:flex;justify-content:space-between;align-items:center}
.cmodal-head h3{margin:0;font-size:16px;font-weight:800}
.cmodal-controls{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap}
.cmodal-controls .field select{max-width:230px}
.cmp-vs{color:var(--muted);font-weight:700;padding-bottom:7px}
.cmp-kpis{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cmp-kpi{border-radius:12px;padding:12px 14px;color:#fff}
.cmp-kpi.a{background:linear-gradient(135deg,#7209b7,#560bad)}
.cmp-kpi.b{background:linear-gradient(135deg,#0077b6,#0096c7)}
.cmp-kpi .n{font-size:12px;font-weight:600;opacity:.9}
.cmp-kpi .v{font-size:30px;font-weight:800;line-height:1.1}
.cmp-kpi .v span{font-size:14px;opacity:.85}
.cmp-kpi .d{font-size:11.5px;opacity:.95;margin-top:2px}
.cmp-chart{position:relative;height:300px}
.cmp-chart canvas{position:absolute;inset:0}

/* ---- status overlay ---- */
.status{position:fixed;inset:0;background:rgba(238,242,247,.94);display:flex;align-items:center;
  justify-content:center;font-weight:600;color:var(--brand);z-index:2000;backdrop-filter:blur(2px);padding:24px}
.status span{max-width:560px;text-align:center;line-height:1.5;font-size:15px}
.status.err{color:var(--accent)}

/* ---- responsive: stack on narrow, allow scroll only then ---- */
@media(max-width:1000px){
  html,body{overflow:auto}
  .stage{grid-template-columns:1fr;height:auto}
  .right{height:70vh}
  .kpi-row{grid-template-columns:repeat(2,1fr)}
  .field select{max-width:46vw}
}