* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f3f6fb;
  color: #111827;
}

a {
  color: #0f4c81;
  text-decoration: none;
}

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: white;
  padding: 32px;
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.auth-card h1 {
  margin: 0 0 8px;
}

.auth-card p {
  margin: 0 0 20px;
  color: #6b7280;
}

.auth-card form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-card input,
.auth-card select,
.card select {
  padding: 14px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  font-size: 15px;
  width: 100%;
}

.auth-card button,
.card button,
.logout-btn {
  background: #111827;
  color: white;
  border: none;
  padding: 14px;
  border-radius: 12px;
  cursor: pointer;
}

.alert {
  background: #fee2e2;
  color: #991b1b;
  padding: 12px;
  border-radius: 12px;
  margin-bottom: 16px;
}

.switch-link {
  margin-top: 16px;
  text-align: center;
}

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

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  gap: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: white;
  padding: 24px;
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.progress-bar {
  height: 14px;
  background: #e5e7eb;
  border-radius: 999px;
  overflow: hidden;
  margin: 12px 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #dc2626, #2563eb);
}