body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(135deg, #eef4f9 0%, #dde9f2 100%);
  color: #123046;
}

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.page-header,
.controls-panel,
.results-panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #c8d8e6;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 18px 40px rgba(18, 48, 70, 0.08);
}

.page-header {
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #3a6f8f;
}

h1 {
  margin: 0 0 8px;
  font-size: 36px;
}

.intro {
  margin: 0;
  max-width: 720px;
  line-height: 1.6;
}

.controls-panel {
  margin-bottom: 20px;
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-weight: 600;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  padding: 10px 12px;
  border: 1px solid #a8bfd1;
  border-radius: 10px;
  background: #f8fbfd;
}

.actions {
  margin-top: 20px;
}

button {
  padding: 12px 18px;
  border: 0;
  border-radius: 999px;
  background: #0d5f8c;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #084e74;
}

.results-meta {
  margin-bottom: 16px;
}

.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid #d8e5ef;
  text-align: left;
  vertical-align: top;
}

th {
  background: #edf5fa;
  position: sticky;
  top: 0;
}

.hidden {
  display: none;
}

.empty-state {
  margin: 0;
  color: #52708a;
}