/* ===== Global Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background-color: #f4f6f9;
  color: #333;
}

/* ===== Navigation ===== */
.navbar {
  background: #2c3e50;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar h2 {
  color: white;
}

.nav-links a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
}

.nav-links a:hover {
  text-decoration: underline;
}

/* ===== Container ===== */
.container {
  max-width: 900px;
  margin: 40px auto;
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0px 4px 12px rgba(0,0,0,0.08);
}

/* ===== Form ===== */
.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

input, select {
  width: 100%;
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  padding: 10px 18px;
  border: none;
  background: #3498db;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #2980b9;
}

.error {
  color: red;
  font-size: 14px;
}

.success {
  color: green;
  font-weight: 600;
  margin-top: 10px;
}

/* ===== Journal Table ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  border: 1px solid #ddd;
  padding: 8px;
}

th {
  background: #ecf0f1;
}