* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #1a3a5c;
  --accent: #2563eb;
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
}
body {
  font-family: -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
}

/* ---------- Header ---------- */
header {
  background: var(--primary); color: #fff; padding: 1rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
header h1 { font-size: 1.25rem; font-weight: 600; }
.header-right { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
header nav { display: flex; align-items: center; gap: 1rem; }
header nav a { color: #cfe0f5; text-decoration: none; font-size: .9rem; }
header nav a:hover { color: #fff; }
.who { color: #9fb8d6; font-size: .85rem; }
select {
  padding: .5rem .75rem; border-radius: 8px; border: 1px solid var(--border);
  min-width: 220px; font-size: .9rem; background: #fff; color: var(--text);
}

/* ---------- Main ---------- */
main { padding: 1.5rem; max-width: 1280px; margin: 0 auto; }
.empty-state {
  background: var(--card); border: 1px dashed var(--border);
  padding: 3rem; border-radius: 12px; text-align: center; color: var(--muted);
}
.empty-state .hint { margin-top: .5rem; }
.empty-state a { color: var(--accent); }

/* ---------- Summary cards ---------- */
.summary-cards { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.card {
  background: var(--card); padding: 1.25rem 1.5rem; border-radius: 12px;
  flex: 1; min-width: 160px; box-shadow: 0 1px 3px rgba(0,0,0,.08); text-align: center;
}
.card h3 { font-size: 2rem; color: var(--primary); }
.card p { color: var(--muted); font-size: .8rem; margin-top: .25rem; text-transform: uppercase; letter-spacing: .03em; }
.loading { color: var(--muted); padding: 1rem; }

/* ---------- Charts grid ---------- */
.chart-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.25rem; }
.chart-box {
  background: var(--card); padding: 1.25rem; border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.chart-box h4 { margin-bottom: .9rem; font-size: .95rem; color: var(--primary); word-break: break-word; }
.canvas-wrap { position: relative; height: 260px; }

/* numeric stat grid */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(70px,1fr)); gap: .75rem; }
.stat-grid div { text-align: center; background: var(--bg); border-radius: 8px; padding: .6rem .3rem; }
.stat-grid span { display: block; font-size: 1.15rem; font-weight: 600; color: var(--primary); }
.stat-grid label { font-size: .7rem; color: var(--muted); text-transform: uppercase; }

/* ---------- Alerts ---------- */
.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .9rem; }
.alert.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.alert.success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }

/* ---------- Auth ---------- */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-card {
  background: var(--card); padding: 2.5rem; border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0,0,0,.12); width: 100%; max-width: 380px;
}
.auth-card h1 { font-size: 1.3rem; color: var(--primary); text-align: center; }
.auth-sub { text-align: center; color: var(--muted); margin: .25rem 0 1.5rem; font-size: .9rem; }
.auth-card label { display: block; margin-bottom: 1rem; font-size: .85rem; color: var(--muted); }
.auth-card input {
  width: 100%; padding: .65rem .8rem; margin-top: .35rem; border: 1px solid var(--border);
  border-radius: 8px; font-size: .95rem;
}

/* ---------- Buttons ---------- */
.btn-primary {
  width: 100%; background: var(--accent); color: #fff; border: none;
  padding: .7rem; border-radius: 8px; font-size: .95rem; cursor: pointer; font-weight: 500;
}
.btn-primary:hover { background: #1d4ed8; }
.btn-danger-sm {
  background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca;
  padding: .35rem .7rem; border-radius: 6px; cursor: pointer; font-size: .8rem;
}

/* ---------- Admin panels ---------- */
.panel { background: var(--card); padding: 1.5rem; border-radius: 12px; margin-bottom: 1.5rem; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.panel h2 { font-size: 1.05rem; color: var(--primary); margin-bottom: 1rem; }
.hint { color: var(--muted); font-size: .85rem; margin-bottom: .5rem; }
.form-inline { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-end; }
.form-inline label { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); gap: .3rem; flex: 1; min-width: 160px; }
.form-inline input { padding: .55rem .7rem; border: 1px solid var(--border); border-radius: 8px; }
.form-inline .btn-primary { width: auto; padding: .6rem 1.4rem; }
.asset-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.chip { background: var(--bg); border: 1px solid var(--border); border-radius: 20px; padding: .35rem .9rem; cursor: pointer; font-size: .82rem; }
.chip:hover { background: #e8eef6; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: .7rem; border-bottom: 1px solid var(--border); font-size: .9rem; }
.data-table th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; }
.data-table code { background: var(--bg); padding: .15rem .4rem; border-radius: 4px; font-size: .8rem; }

@media (max-width: 600px) {
  header { flex-direction: column; align-items: flex-start; }
  .header-right { width: 100%; }
  select { width: 100%; }
}

/* ============ IMPACT DASHBOARD UPGRADES ============ */

/* Filter bar */
.filter-bar {
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem; display: flex; gap: 1rem; align-items: flex-end;
  flex-wrap: wrap; box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.fb-group { display: flex; flex-direction: column; gap: .3rem; }
.fb-group label { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
.fb-group select, .fb-group input {
  padding: .5rem .7rem; border: 1px solid var(--border); border-radius: 8px;
  font-size: .9rem; background: #fff; color: var(--text); min-width: 150px;
}
.fb-apply { width: auto; padding: .55rem 1.5rem; }

/* Period title + narrative */
.period-title { max-width: 1280px; margin: 1.25rem auto 0; padding: 0 1.5rem; font-size: 1.3rem; font-weight: 600; color: var(--primary); }
.period-title span { color: var(--muted); font-weight: 400; font-size: 1rem; }
.narrative {
  max-width: 1280px; margin: .6rem auto 0; padding: 1rem 1.25rem;
  background: #eff6ff; border-left: 4px solid var(--accent); border-radius: 8px;
  color: #1e3a5f; font-size: .98rem; line-height: 1.6;
}
main { padding-top: 1rem; }

/* KPI band */
.kpi-band { max-width: 1280px; margin: 1.25rem auto; padding: 0 1.5rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 1rem; }
.kpi { background: #fff; border-radius: 12px; padding: 1.25rem; text-align: center; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.kpi h3 { font-size: 1.9rem; color: var(--primary); }
.kpi p { font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); margin-top: .25rem; }
.kpi h3.trend.up { color: #16a34a; } .kpi h3.trend.down { color: #dc2626; } .kpi h3.trend.flat { color: var(--muted); }

/* Insight blocks */
.insight { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: .9rem; display: flex; flex-direction: column; gap: .6rem; }
.ins-row { display: flex; gap: .6rem; align-items: flex-start; }
.ins-row p { font-size: .86rem; color: #374151; line-height: 1.5; }
.ins-tag { flex-shrink: 0; font-size: .62rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  padding: .2rem .5rem; border-radius: 5px; margin-top: .1rem; white-space: nowrap; }
.tag-i { background: #dbeafe; color: #1e40af; }
.tag-m { background: #fef3c7; color: #92400e; }
.tag-a { background: #dcfce7; color: #166534; }

/* Before/After highlight + mini trend */
.chart-box.highlight { border: 2px solid #bbf7d0; }
.ba-summary { text-align: center; font-weight: 600; color: var(--primary); margin-top: .5rem; }
.mini-trend { font-size: .72rem; font-weight: 600; padding: .1rem .4rem; border-radius: 4px; }
.mini-trend.up { background: #dcfce7; color: #166534; } .mini-trend.down { background: #fee2e2; color: #991b1b; }

@media (max-width: 600px){
  .filter-bar { gap: .6rem; }
  .fb-group select, .fb-group input { min-width: 120px; }
}