:root {
  --app-bg: #eef3f8;
  --panel-bg: #ffffff;
  --panel-border: rgba(19, 48, 84, 0.08);
  --panel-shadow: 0 18px 50px rgba(15, 35, 64, 0.08);
  --ink: #12304f;
  --muted: #5b7086;
  --accent: #1d7c78;
  --accent-soft: #d7f4ef;
  --danger-soft: #fde7e7;
}

html {
  font-size: 14px;
}

body {
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(29, 124, 120, 0.09), transparent 22rem),
    linear-gradient(180deg, #f6f9fc 0%, #eef3f8 100%);
  color: var(--ink);
  min-height: 100vh;
}

.app-header {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(18, 48, 79, 0.08);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.navbar-brand,
.nav-link {
  color: var(--ink) !important;
}

.nav-link {
  font-weight: 600;
}

.content-panel {
  padding-top: 2rem;
}

.page-hero,
.surface-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 1.25rem;
  box-shadow: var(--panel-shadow);
}

.page-hero {
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.surface-card {
  padding: 1.25rem;
}

.metric-tile {
  background: linear-gradient(180deg, #fff 0%, #f5fbfb 100%);
  border: 1px solid rgba(29, 124, 120, 0.12);
  border-radius: 1rem;
  padding: 1rem;
  height: 100%;
}

.metric-value {
  font-size: 1.9rem;
  font-weight: 700;
}

.metric-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.data-table {
  width: 100%;
}

.data-table th {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.badge-soft {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-weight: 700;
}

.badge-soft-danger {
  background: var(--danger-soft);
  color: #9d3131;
}

.map-panel {
  min-height: 360px;
  border-radius: 1rem;
  overflow: hidden;
}

.empty-state {
  border: 1px dashed rgba(18, 48, 79, 0.18);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login-card {
  width: min(100%, 460px);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 1.5rem;
  border: 1px solid rgba(18, 48, 79, 0.08);
  box-shadow: 0 20px 60px rgba(15, 35, 64, 0.12);
  padding: 2rem;
}

@media (max-width: 768px) {
  .content-panel {
    padding-top: 1rem;
  }

  .page-hero,
  .surface-card {
    border-radius: 1rem;
  }
}