:root {
  --primary-color: #0C6C44;
  --secondary-color: #f8f9fa;
  --text-color: #333;
  --light-gray: #e9ecef;
  --medium-gray: #dee2e6;
  --dark-gray: #495057;
  --error-color: #dc3545;
  --border-radius: 8px;
  --box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
}

/* Base Styles */
body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--secondary-color);
  margin: 0;
  padding: 0;
  color: var(--text-color);
  line-height: 1.6;
}

/* Header Styles */
.header-container {
  background: linear-gradient(135deg, var(--primary-color) 0%, #ffffff 100%);
  padding: 20px 0;
  text-align: center;
  color: white;
  position: relative;
  margin-bottom: 30px;
}

.header-container::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--secondary-color), #8fc93a);
}

.banner-img {
  max-width: 100%;
  height: auto;
  max-height: 150px;
  margin-bottom: 15px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

h1, h2, h3 {
  color: var(--primary-color);
  margin: 15px 0;
  text-align: center;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 24px;
}

/* Container Styles */
.container {
  max-width: 900px;
  margin: 0 auto 30px;
  padding: 20px;
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

/* Table Styles */
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  margin: 20px 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

th, td {
  border: 1px solid var(--light-gray);
  padding: 12px;
  text-align: left;
}

th {
  background-color: var(--primary-color);
  color: #fff;
  position: sticky;
  top: 0;
}

tr:nth-child(even) {
  background-color: var(--secondary-color);
}

/* Form Styles */
label {
  display: block;
  margin: 15px 0 5px;
  font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  font-size: 16px;
  box-sizing: border-box;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 16px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: var(--transition);
}

.btn:hover {
  background-color: #095c3a;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-danger {
  background-color: var(--error-color);
}

.btn-danger:hover {
  background-color: #c82333;
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: white;
  padding: 2rem 0;
  margin-top: 3rem;
  text-align: center;
  font-size: 0.9rem;
  border-top: 8px solid #8fc93a;
}

.footer-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s;
}

.footer-links a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.footer-copyright {
  margin-top: 1rem;
  opacity: 0.8;
}

.footer-logo {
  max-height: 60px;
  margin-bottom: 1rem;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-20 {
  margin-top: 20px;
}

.mb-20 {
  margin-bottom: 20px;
}

/* Print Styles */
@media print {
  .no-print {
    display: none;
  }
  
  body {
    background: #fff;
  }
  
  .container {
    box-shadow: none;
    border-radius: 0;
  }
}

/* Responsive Styles */
@media (max-width: 768px) {
  .container {
    padding: 15px;
    margin: 15px;
    width: calc(100% - 30px);
  }
  
  .banner-img {
    max-height: 100px;
  }
  
  th, td {
    padding: 8px;
    font-size: 14px;
  }
}