:root {
  --app-bg: #f4f7fb;
  --app-surface: rgba(255, 255, 255, 0.86);
  --app-border: rgba(27, 39, 58, 0.12);
  --app-text: #162033;
  --app-muted: #65738a;
  --app-accent: #1f5eff;
  --app-accent-2: #0f8b8d;
}

html {
  font-size: 16px;
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--app-text);
  font-family: 'Heebo', 'Segoe UI', Tahoma, Arial, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(31, 94, 255, 0.12), transparent 28%),
    radial-gradient(circle at bottom left, rgba(15, 139, 141, 0.09), transparent 25%),
    linear-gradient(180deg, #f9fbff 0%, var(--app-bg) 100%);
}

a {
  text-decoration: none;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(31, 94, 255, 0.2);
}

.navbar-glass {
  background: rgba(18, 27, 46, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 35px rgba(16, 24, 40, 0.14);
}

.navbar-glass .navbar-brand,
.navbar-glass .nav-link {
  color: #fff;
}

.navbar-glass .nav-link:hover,
.navbar-glass .nav-link:focus {
  color: #c7d5ff;
}

.hero-shell {
  display: grid;
  gap: 1.25rem;
}

.hero-card,
.content-grid,
.status-grid {
  display: grid;
  gap: 1rem;
}

.hero-card {
  grid-template-columns: 1.5fr 1fr;
  align-items: start;
}

.hero-copy,
.search-panel,
.metric-card,
.chart-card,
.details-card,
.message-card {
  border: 1px solid var(--app-border);
  border-radius: 24px;
  background: var(--app-surface);
  box-shadow: 0 16px 42px rgba(18, 27, 46, 0.08);
  backdrop-filter: blur(12px);
}

.hero-copy {
  padding: 1.75rem;
}

.hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  margin: 0.65rem 0 1rem;
  letter-spacing: -0.02em;
}

.hero-copy p,
.section-header p,
.helper-row,
.message-card,
.metric-label,
.details-list dt {
  color: var(--app-muted);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  background: rgba(31, 94, 255, 0.1);
  color: var(--app-accent);
  font-weight: 700;
  font-size: 0.95rem;
}

.search-panel {
  padding: 1.5rem;
}

.helper-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.status-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  padding: 1.25rem 1.4rem;
}

.metric-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--app-text);
  margin-top: 0.25rem;
}

.content-grid {
  grid-template-columns: 1.5fr 0.75fr;
}

.chart-card,
.details-card,
.message-card {
  padding: 1.4rem;
}

.section-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.section-header h2,
.details-card h2 {
  margin: 0;
  font-size: 1.4rem;
}

.summary-badge {
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  background: rgba(15, 139, 141, 0.1);
  color: var(--app-accent-2);
  font-weight: 700;
}

.chart-area {
  min-height: 420px;
  width: 100%;
}

.details-list {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0;
}

.details-list div {
  padding: 0.85rem 0.95rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.details-list dt {
  font-size: 0.9rem;
}

.details-list dd {
  margin-bottom: 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.message-card {
  font-weight: 600;
}

.site-footer {
  margin-top: 2rem;
  padding: 1rem 0 1.5rem;
  color: var(--app-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--app-border);
  padding-top: 1rem;
}

@media (max-width: 992px) {
  .hero-card,
  .content-grid,
  .status-grid {
    grid-template-columns: 1fr;
  }

  .helper-row,
  .section-header,
  .footer-inner {
    flex-direction: column;
  }

  .chart-area {
    min-height: 360px;
  }
}