:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --text: #16212f;
  --muted: #5a6b81;
  --accent: #006fbb;
  --danger: #c62828;
  --border: #d8e1ec;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #d9eefb 0%, var(--bg) 45%);
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

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

.hero p {
  margin-top: 6px;
  color: var(--muted);
}

.cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin: 16px 0;
}

.card,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 8px 24px rgba(19, 50, 88, 0.06);
}

.card h3 {
  margin: 0 0 8px 0;
  color: var(--muted);
  font-size: 14px;
}

.card div {
  font-size: 22px;
  font-weight: 700;
}

.controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 14px;
}

.controls label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
}

select,
input,
button {
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 14px;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
}

button.danger {
  background: var(--danger);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 13px;
}

th {
  color: var(--muted);
}

.muted {
  color: var(--muted);
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .layout {
    padding: 14px;
  }
}