:root {
  --bg: #f5f8fc;
  --card: #ffffff;
  --text: #142033;
  --muted: #667085;
  --primary: #2563eb;
  --primary-dark: #1e3a8a;
  --border: #dbe5f1;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --shadow: 0 16px 38px rgba(15, 23, 42, 0.08);
  --radius: 22px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: inherit; }
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 292px;
  background: linear-gradient(180deg, #0f3f8c, #1d4ed8);
  color: #fff;
  padding: 24px 18px;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  overflow-y: auto;
}
.brand-box { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; }
.brand-icon {
  width: 46px; height: 46px; border-radius: 16px;
  background: rgba(255,255,255,.16);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.brand-title { font-weight: 800; font-size: 18px; }
.brand-subtitle { font-size: 13px; opacity: .82; margin-top: 4px; }
.nav-menu { display: grid; gap: 8px; }
.nav-menu a {
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 650;
  font-size: 14px;
  color: rgba(255,255,255,.88);
}
.nav-menu a:hover, .nav-menu a.active {
  background: rgba(255,255,255,.18);
  color: #fff;
}
.sidebar-note {
  margin-top: 22px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.12);
  font-size: 12.5px;
  line-height: 1.7;
}
.main-content {
  margin-left: 292px;
  padding: 32px;
  width: calc(100% - 292px);
}
.hero {
  background: linear-gradient(135deg, #eaf4ff, #ffffff);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.hero h1 { margin: 0 0 12px 0; color: var(--primary-dark); font-size: 34px; }
.hero p { margin: 0; color: var(--muted); line-height: 1.8; max-width: 920px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 8px 24px rgba(15,23,42,.05);
  margin-bottom: 18px;
}
.card h2, .card h3 { margin-top: 0; color: #0f172a; }
.card p, .card li { color: var(--muted); line-height: 1.75; }
.metric-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  text-align: center;
  box-shadow: 0 8px 22px rgba(15,23,42,.05);
}
.metric-value { color: var(--primary); font-weight: 800; font-size: 24px; margin-bottom: 6px; }
.metric-label { color: var(--muted); font-size: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 18px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 7px; color: #344054; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  padding: 12px 13px;
  background: #fff;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
}
.form-group small { display:block; color: var(--muted); margin-top: 5px; line-height:1.45; }
.btn {
  border: none;
  border-radius: 14px;
  padding: 13px 20px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  background: var(--primary);
  color: white;
  font-family: inherit;
}
.btn:hover { background: #1d4ed8; }
.btn-secondary { background: #0f172a; }
.result-box {
  background: #ecfdf3;
  border-left: 6px solid var(--success);
  border-radius: 16px;
  padding: 20px 22px;
  color: #075e2b;
  line-height: 1.8;
}
.warning-box {
  background: #fff7ed;
  border-left: 6px solid #f97316;
  border-radius: 16px;
  padding: 16px 18px;
  color: #7c2d12;
  line-height: 1.7;
}
.info-box {
  background: #eff6ff;
  border-left: 6px solid var(--primary);
  border-radius: 16px;
  padding: 16px 18px;
  color: #1e3a8a;
  line-height: 1.7;
}
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border: 1px solid #e2e8f0; padding: 12px; text-align: left; vertical-align: top; font-size: 14px; }
th { background: #eff6ff; color: #1e3a8a; }
.table-wrap { overflow-x: auto; border-radius: 18px; border: 1px solid #e2e8f0; }
.badge { display:inline-block; padding:6px 12px; background:#eff6ff; color:#1d4ed8; border:1px solid #bfdbfe; border-radius:999px; font-weight:700; font-size:13px; }
.map-frame { height: 580px; border-radius: 22px; overflow: hidden; border: 1px solid var(--border); }
.footer-note { color: var(--muted); font-size: 13px; margin-top: 26px; }
@media (max-width: 960px) {
  .sidebar { position: static; width: 100%; }
  .app-shell { display: block; }
  .main-content { margin-left: 0; width: 100%; padding: 20px; }
  .grid-3, .grid-2, .form-grid { grid-template-columns: 1fr; }
}