:root {
  --blue: #1e3a8a;
  --orange: #f97316;
  --yellow: #facc15;
  --light: #f9fafb;
  --text: #0f172a;
}

body {
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  background: var(--light);
  color: var(--text);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px;
}

header {
  background: var(--blue);
  color: #fff;
  padding: 12px 0;
}

header a {
  color: var(--yellow);
  text-decoration: none;
  margin-left: 15px;
}

header a:hover {
  text-decoration: underline;
}

.card {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  padding: 20px;
  margin-top: 20px;
}

button,
.btn {
  background: linear-gradient(135deg, var(--blue), var(--orange));
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover,
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(249, 115, 22, 0.3);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

th,
td {
  border: 1px solid #e5e7eb;
  padding: 10px;
  text-align: left;
}

th {
  background: #f3f4f6;
  color: var(--blue);
}

tr:nth-child(even) {
  background: #f9fafb;
}