body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #f2f5f8;
  color: #333;
}

header {
  background-color: #003366;
  color: white;
  padding: 1rem;
  text-align: center;
}

nav {
  background-color: #002244;
  padding: 0.5rem 0;
}

nav a {
  color: #ffffff !important;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
}

nav a:hover {
  text-decoration: underline;
  color: #ffd700;
}

main {
  padding: 1rem 2rem;
}

a {
  color: #003366;
  text-decoration: none;
  font-weight: bold;
}

a:hover {
  text-decoration: underline;
}

form {
  margin: 1rem 0;
}

input, select, textarea, button {
  padding: 0.5rem;
  margin: 0.25rem 0;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  width: 100%;
  box-sizing: border-box;
}

button {
  background-color: #003366;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #002244;
}

.error {
  color: red;
  margin: 0.5rem 0;
}

.login-container {
  max-width: 400px;
  margin: 5rem auto;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  margin-top: 1rem;
}

table th, table td {
  border: 1px solid #ddd;
  padding: 0.5rem;
  text-align: left;
}

table th {
  background-color: #f4f4f4;
}

.lead-box {
  background: white;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  box-shadow: 0 0 5px rgba(0,0,0,0.05);
}

textarea {
  min-height: 80px;
}

.note {
  background: #f9f9f9;
  padding: 0.5rem;
  border-left: 4px solid #ccc;
  margin: 0.5rem 0;
}