:root {
  --primary-color: #0056b3;
  --secondary-color: #28a745;
  --background-color: #f4f4f4;
  --text-color: #333;
  --light-text-color: #666;
  --border-color: #ccc;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
}

/* General Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

header {
  background-color: var(--primary-color);
  color: #fff;
  text-align: center;
  padding: 1.5rem 0;
}

h1, h2 {
  margin-bottom: 1rem;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Form Elements */
input, select, textarea, button {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

button {
  cursor: pointer;
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: darken(var(--primary-color), 10%);
}

/* Search and Filter Section */
#search-filter {
  margin-bottom: 2rem;
}

.search-filter-container {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

#search-input, #date-filter {
  flex: 1;
  min-width: 200px;
}

/* Alerts Section */
#alerts {
  margin-bottom: 2rem;
}

.alert-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.alert-card {
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform 0.3s ease;
}

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

.alert-card i {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.alert-message {
  font-weight: bold;
  font-size: 1.1rem;
}

.alert-description {
  color: var(--light-text-color);
}

.alert-date, .alert-status {
  font-size: 0.9rem;
  color: var(--light-text-color);
}

.alert-card.new {
  border-left: 5px solid #dc3545;
}

.alert-card.in-progress {
  border-left: 5px solid #ffc107;
}

.alert-card.resolved {
  border-left: 5px solid var(--secondary-color);
}

/* Pagination */
.pagination-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}

.pagination-btn {
  padding: 0.5rem 1rem;
}

.pagination-btn:disabled {
  background-color: var(--border-color);
  cursor: not-allowed;
}

/* Submit Alert Section */
#submit-alert {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

#submit-alert form {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

#submit-alert label {
  font-weight: bold;
  display: block;
  margin-bottom: 0.5rem;
}

#submit-alert textarea {
  height: 100px;
  grid-column: 1 / -1;
}

#submit-alert button {
  grid-column: 1 / -1;
  justify-self: start;
}

/* Export Section */
#export {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.export-btn {
  background-color: var(--secondary-color);
}

.export-btn:hover {
  background-color: darken(var(--secondary-color), 10%);
}

/* Responsive Design */
@media (max-width: 768px) {
  main {
    padding: 1rem;
  }

  .search-filter-container {
    flex-direction: column;
  }

  #submit-alert form {
    grid-template-columns: 1fr;
  }
}