:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --background-color: #ecf0f1;
  --card-background: #ffffff;
  --text-color: #2c3e50;
  --border-radius: 10px;
  --error-color: #e74c3c;
  --contribution-level-0: #ebedf0;
  --contribution-level-1: #9be9a8;
  --contribution-level-2: #40c463;
  --contribution-level-3: #30a14e;
  --contribution-level-4: #216e39;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  background-color: var(--primary-color);
  color: white;
  padding: 2rem 0;
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

/* Contributions Graph Styles */
.contributions-section {
  background-color: var(--card-background);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.contributions-section h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contributions-wrapper {
  overflow-x: auto;
}

.contributions-graph {
  min-width: 800px;
  padding: 1rem;
}

.squares {
  display: grid;
  grid-template-columns: repeat(53, 1fr);
  gap: 3px;
}

.contribution-square {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  transition: transform 0.1s ease;
  cursor: pointer;
}

.contribution-square:hover {
  transform: scale(1.2);
}

.level-0 { background-color: var(--contribution-level-0); }
.level-1 { background-color: var(--contribution-level-1); }
.level-2 { background-color: var(--contribution-level-2); }
.level-3 { background-color: var(--contribution-level-3); }
.level-4 { background-color: var(--contribution-level-4); }

.contributions-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: #767676;
}

.contribution-colors {
  display: flex;
  gap: 2px;
  list-style: none;
}

.contribution-colors li {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

.contribution-level-0 { background-color: var(--contribution-level-0); }
.contribution-level-1 { background-color: var(--contribution-level-1); }
.contribution-level-2 { background-color: var(--contribution-level-2); }
.contribution-level-3 { background-color: var(--contribution-level-3); }
.contribution-level-4 { background-color: var(--contribution-level-4); }

/* Rest of your existing styles remain unchanged */
.dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--card-background);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--secondary-color);
}

.data-management {
  margin-bottom: 2rem;
}

.button-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.button {
  background-color: var(--secondary-color);
  color: white;
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: #2980b9;
}

.log-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  background-color: var(--card-background);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-group label {
  font-weight: 500;
  color: var(--primary-color);
}

.filter-group input,
.filter-group select {
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
}

.logs-container {
  background-color: var(--card-background);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.log-entry {
  padding: 1.5rem;
  border-bottom: 1px solid #eee;
}

.log-entry:last-child {
  border-bottom: none;
}

.log-entry h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.log-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.log-description {
  white-space: pre-wrap;
}

.error-message {
  background-color: #fde8e8;
  border: 1px solid var(--error-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin: 1rem 0;
  text-align: center;
}

.error-message p {
  color: var(--error-color);
  margin-bottom: 1rem;
}

.no-logs {
  text-align: center;
  padding: 2rem;
  color: #666;
  font-style: italic;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #eee;
}

.page-button {
  background-color: var(--card-background);
  border: 1px solid #ddd;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.page-button:hover {
  background-color: var(--secondary-color);
  color: white;
  border-color: var(--secondary-color);
}

.page-button.active {
  background-color: var(--secondary-color);
  color: white;
  border-color: var(--secondary-color);
}

.page-ellipsis {
  padding: 0.5rem;
  color: #666;
}

.form-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--card-background);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--primary-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
  font-family: inherit;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}