body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f8f9fa;
  color: #212529;
  margin: 0;
  padding: 0;
}

.header {
  background: #0056b3;
  color: white;
  padding: 1rem;
  text-align: center;
  margin-bottom: 2rem;
  border-bottom: 3px solid #003d7a;
}

.header a {
  color: #fff;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: bold;
}

.header a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

h2 {
  color: #1a1a1a;
}

.text-muted {
  color: #6c757d !important;
}

.timestamp {
  font-size: 0.85rem;
  color: #6c757d;
  text-align: right;
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  border-radius: 0.25rem;
  border: 1px solid transparent;
}

.btn-outline-secondary {
  color: #6c757d;
  border-color: #6c757d;
}

.btn-outline-secondary:hover {
  background-color: #6c757d;
  color: white;
}

.card {
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
  margin-bottom: 20px;
  background: white;
}

.card:hover {
  transform: translateY(-5px);
}

.card-body {
  padding: 1.25rem;
}

.card-title {
  margin-top: 0;
  font-size: 1.25rem;
  color: #1a1a1a;
}

.text-success {
  color: #28a745 !important;
  font-weight: 500;
}

.contact-btn {
  background: #28a745;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  margin-top: 10px;
  font-size: 0.9rem;
}

.contact-btn:hover {
  background: #218838;
  text-decoration: none;
}

.footer {
  text-align: center;
  padding: 2rem 0;
  color: #6c757d;
  font-size: 0.9rem;
  border-top: 1px solid #dee2e6;
  margin-top: 3rem;
}

.footer a {
  color: #007BFF;
  text-decoration: none;
}

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

.no-data {
  text-align: center;
  color: #6c757d;
  font-style: italic;
  margin: 2rem 0;
  padding: 2rem;
  background: #f1f3f5;
  border-radius: 8px;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -10px;
}

.grid > * {
  flex: 0 0 33.333%;
  max-width: 33.333%;
  padding: 0 10px;
  box-sizing: border-box;
}

@media (max-width: 992px) {
  .grid > * {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (max-width: 576px) {
  .grid > * {
    flex: 0 0 100%;
    max-width: 100%;
  }
}