:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --panel-alt: #f8fafc;
  --text: #1d2127;
  --muted: #5a6577;
  --accent: #a6ce39;
  --accent-hover: #8fb627;
  --navy: #000066;
  --navy-light: #1e2985;
  --emerald: #47a447;
  --danger: #d2322d;
  --border: #dde3ec;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  padding: 10px 20px; background: #ffffff;
  border-top: 4px solid var(--navy);
  border-bottom: 3px solid var(--accent);
  box-shadow: 0 3px 14px rgba(0, 0, 102, 0.08);
  position: sticky; top: 0; z-index: 1000;
}
.brand {
  display: flex; align-items: center; gap: 14px;
}
.brand img.brand-logo {
  height: 52px; width: auto; object-fit: contain; display: block;
}
.brand-title {
  font-weight: 800; font-size: 1.08rem; letter-spacing: 0.2px; color: var(--navy);
}
.brand-sub {
  font-size: 0.76rem; color: var(--muted); font-weight: 500;
}

.mode-tabs {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.tab-btn {
  background: #f8fafc; color: var(--navy);
  border: 1px solid #cbd5e1; border-radius: 8px;
  padding: 8px 14px; font-size: 0.85rem; font-weight: 700;
  cursor: pointer; transition: all 0.15s;
}
.tab-btn:hover {
  border-color: var(--accent); background: #f1f8df;
}
.tab-btn.active {
  background: var(--accent); color: #1d2127; border-color: #8fb627;
  box-shadow: 0 2px 8px rgba(166, 206, 57, 0.35);
}
.tab-btn.pwa-btn {
  background: var(--navy); border-color: var(--navy); color: #ffffff;
}
.tab-btn.pwa-btn:hover {
  background: var(--navy-light);
}

.pwa-banner {
  background: linear-gradient(90deg, #000066, #1d2127);
  color: #ffffff;
  border-bottom: 2px solid var(--accent);
  padding: 8px 20px; display: flex; align-items: center;
  justify-content: space-between; gap: 10px; flex-wrap: wrap;
  font-size: 0.84rem;
}
.pwa-banner-actions {
  display: flex; gap: 8px; flex-wrap: wrap;
}

.container {
  max-width: 1400px; margin: 0 auto; padding: 16px;
}
.view-panel { display: none; }
.view-panel.active { display: block; }

.grid-2 {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 16px;
}
.grid-solver {
  display: grid; grid-template-columns: 360px 1fr 370px; gap: 14px;
  align-items: start;
}

.grid-2 > *, .grid-solver > *, .card {
  min-width: 0; max-width: 100%;
}

@media (max-width: 1100px) {
  .grid-2, .grid-solver { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
  .container { padding: 8px; }
  .card { padding: 12px; }
  .topbar { padding: 8px 12px; }
  .brand img.brand-logo { height: 40px; }
  .tab-btn { padding: 6px 9px; font-size: 0.77rem; }
  #leaflet-map, #three-container { height: 310px; }
}

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-top: 3px solid var(--navy);
  border-radius: 12px; padding: 16px;
  box-shadow: 0 4px 16px rgba(29, 33, 39, 0.06);
}
.card h2, .card h3 {
  margin: 0 0 10px; font-size: 1.05rem; color: var(--navy);
  border-bottom: 2px solid var(--accent); padding-bottom: 6px;
}

.chat-box {
  height: 450px; overflow-y: auto;
  background: #f8fafc; border: 1px solid var(--border);
  border-radius: 10px; padding: 12px;
  display: flex; flex-direction: column; gap: 10px;
}
.msg {
  padding: 11px 14px; border-radius: 10px;
  font-size: 0.88rem; line-height: 1.52; max-width: 92%;
  white-space: pre-wrap; word-break: break-word;
}
.msg.bot {
  background: #ffffff; color: var(--text);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent); align-self: flex-start;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.msg.user {
  background: var(--navy); color: #ffffff; align-self: flex-end;
}

.quick-chips {
  display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0;
}
.chip {
  background: #f1f5f9; color: var(--navy); border: 1px solid #cbd5e1;
  border-radius: 999px; padding: 5px 11px; font-size: 0.76rem; font-weight: 600;
  cursor: pointer; transition: all 0.15s;
}
.chip:hover {
  border-color: var(--accent); background: #f1f8df; color: #1d2127;
}

.input-row {
  display: flex; gap: 8px; margin-top: 8px;
}
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  width: 100%; background: #ffffff; color: var(--text);
  border: 1px solid #cbd5e1; border-radius: 8px;
  padding: 9px 11px; font-size: 0.88rem;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent); border-color: var(--navy);
}
.btn {
  background: var(--accent); color: #1d2127;
  border: 1px solid #8fb627; border-radius: 8px; padding: 9px 14px;
  font-weight: 800; font-size: 0.86rem; cursor: pointer;
  white-space: nowrap; transition: all 0.15s;
}
.btn:hover {
  background: var(--accent-hover);
}
.btn.secondary {
  background: var(--navy); color: #ffffff; border-color: var(--navy);
}
.btn.secondary:hover {
  background: var(--navy-light);
}
.btn.emerald {
  background: var(--accent); color: #1d2127; border-color: #8fb627;
}

#leaflet-map, #three-container {
  width: 100%; height: 470px;
  border-radius: 10px; border: 2px solid var(--navy);
  background: #eef2f6; position: relative; overflow: hidden;
}

.kpi-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
  margin-bottom: 10px;
}
.kpi {
  background: #f8fafc; border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px; padding: 8px 10px;
}
.kpi-label { font-size: 0.72rem; color: var(--muted); font-weight: 600; }
.kpi-val { font-size: 0.98rem; font-weight: 800; color: var(--navy); margin-top: 2px; }

.badge {
  display: inline-block; padding: 3px 8px; border-radius: 6px;
  font-size: 0.74rem; font-weight: 700;
}
.badge.ok { background: #eef8d4; color: #2e590e; border: 1px solid #a6ce39; }
.badge.warn { background: #fee2e2; color: #991b1b; border: 1px solid #ef4444; }
.badge.ai { background: #eef2ff; color: #000066; border: 1px solid #000066; }

.table-wrap { overflow-x: auto; }
table {
  width: 100%; border-collapse: collapse; font-size: 0.8rem;
}
th, td {
  border-bottom: 1px solid var(--border); padding: 7px 6px; text-align: left;
}
th { color: var(--navy); background: #f8fafc; font-weight: 800; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(29, 33, 39, 0.72);
  display: none; align-items: center; justify-content: center;
  z-index: 2000; padding: 16px;
}
.modal-backdrop.open { display: flex; }
.modal-card {
  background: #ffffff; border: 2px solid var(--navy);
  border-top: 5px solid var(--accent);
  border-radius: 14px; max-width: 480px; width: 100%; padding: 20px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.25);
}

@media print {
  .topbar, .pwa-banner, .no-print { display: none !important; }
  body, .card { background: #fff !important; color: #000 !important; border-color: #ccc !important; }
}
.brand img.brand-logo {
  height: 54px !important; width: auto !important; border-radius: 0 !important;
}
#var-A, #var-B, #var-C {
  flex: 1 1 30%; padding: 8px 6px; font-size: 0.78rem; text-align: center;
}