:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #1d2733;
  --muted: #546b81;
  --line: #d7e1ec;
  --brand: #0f4c75;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #e8f2ff, var(--bg));
}
.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.keybox { display: flex; gap: 8px; }
input, button {
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
}
button {
  border: none;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
}
.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}
.card h3 {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}
.card p {
  margin: 8px 0 0;
  font-size: 26px;
  font-weight: 700;
}
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
}
.status-approved { color: #18794e; font-weight: 700; }
.status-pending { color: #9a6700; font-weight: 700; }
.status-rejected { color: #b42318; font-weight: 700; }