:root {
  --bg: radial-gradient(circle at top, rgba(79, 140, 255, 0.25), rgba(13, 17, 31, 0.9));
  --panel: #161c33;
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #f5f7ff;
  --muted: #a9b5df;
}

body {
  font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(180deg, rgba(7, 11, 27, 0.95), rgba(12, 17, 37, 0.98)), var(--bg);
  color: var(--text);
}

.site-header {
  background: rgba(13, 17, 31, 0.9);
  border-bottom: 1px solid var(--panel-border);
  color: var(--text);
}

.card {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.card .card-body {
  color: var(--text);
}

.table-dark {
  --bs-table-bg: rgba(14, 19, 38, 0.85);
  --bs-table-striped-bg: rgba(36, 46, 82, 0.6);
  border-radius: 16px;
  overflow: hidden;
}

.table-dark th {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
}

.table-dark td {
  color: var(--text);
}

footer {
  border-top: 1px solid var(--panel-border);
  background: rgba(13, 17, 31, 0.85);
}

.badge {
  letter-spacing: 0.08em;
}

#notes-dialog {
  background: #0f152c;
  color: var(--text);
}

#notes-dialog .ui-dialog-titlebar {
  background: #1f2750;
  border: none;
  color: var(--text);
}

#notes-dialog .ui-dialog-buttonpane {
  background: transparent;
  border: none;
}

@media (max-width: 768px) {
  .site-header .container {
    text-align: center;
  }
  .card {
    border-radius: 18px;
  }
}