:root {
  color-scheme: dark;
  color: #1a1a1a;
  background: #f7f8fc;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fbff 0%, #eef2fb 100%);
}

.page-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: #10376a;
}

.nav-links a {
  text-decoration: none;
  color: #40507a;
  margin-left: 18px;
  font-weight: 500;
}

.panel {
  background: #ffffff;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 28px 60px rgba(31, 60, 110, 0.08);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.metric-card {
  background: #f4f7ff;
  border-radius: 20px;
  padding: 20px;
}

.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 16px;
  background: #1f4db3;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.button-secondary {
  background: #eef2fb;
  color: #1f4db3;
}

.metric-card h2 {
  margin: 0 0 10px;
  color: #102a60;
}

.metric-card p {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0;
}

.hint {
  margin-top: 20px;
  color: #5a6b8a;
}

.login-box {
  display: flex;
  justify-content: center;
  margin-top: 18px;
}

.info-card {
  background: #eef2fb;
  border-radius: 18px;
  padding: 18px;
  margin-top: 18px;
  color: #22325c;
}

.info-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-card li {
  margin-bottom: 8px;
}

.page-footer {
  margin-top: 40px;
  text-align: center;
  color: #7a8aab;
}