* {
  margin: 0;
  padding: 0;

}

body {
  background-color: #f1f2f3;
}

.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1560px;
  min-width: 1240px;
  margin: 20px auto;
  color: #333;
}

.container * {
  box-sizing: border-box;
}

header {
  text-align: center;
  margin-bottom: 25px;
}

header h1 {
  font-size: 32px;
  margin-bottom: 5px;
}

header p{
  font-size: 18px;
  font-weight: 300;
  max-width: 95%;
  margin: 0 auto;
  line-height: 1.6;
}

.search-box {
  background: white;
  border-radius: 50px;
  padding: 8px 20px;
  max-width: 800px;
  margin: 25px auto 0;
  display: flex;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.search-box input {
  flex: 1;
  border: none;
  padding: 12px 20px;
  font-size: 1.1rem;
  outline: none;
  background: transparent;
}

.search-box button {
  background: #4b6cb7;
  color: white;
  border: none;
  padding: 12px 35px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.search-box button:hover {
  background: #3a5aa0;
  transform: translateY(-2px);
}

.commands-section{
  margin-bottom: 25px;
}

.intro-section {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.intro-section h2, .keyboard-shortcuts h2{
  font-size: 1.5rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.feature-card {
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #eee;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #4b6cb7;
}

.feature-card p {
  color: #555;
}

.categories {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
  justify-content: center;
  flex-wrap: wrap;
}

.category-btn {
  background: white;
  border: 2px solid #e0e0e0;
  border-radius: 50px;
  padding: 10px 25px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.category-btn.active,
.category-btn:hover {
  background: #4b6cb7;
  color: white;
  border-color: #4b6cb7;
}

.commands-table {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: #4b6cb7;
  color: white;
}

th {
  padding: 18px 20px;
  text-align: left;
  font-weight: 600;
}

tbody tr {
  border-bottom: 1px solid #eee;
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:hover {
  background-color: #f8f9ff;
}

td {
  padding: 18px 20px;
  vertical-align: top;
}

.command {
  color: #2c5282;
  font-weight: 600;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.95rem;
  white-space: nowrap;
}

.description {
  color: #444;
  line-height: 1.7;
}

.keyboard-shortcuts {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.shortcut-card {
  background: #f8f9ff;
  border-radius: 10px;
  padding: 20px;
  border-left: 4px solid #4b6cb7;
}

.shortcut-card h4 {
  color: #4b6cb7;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.shortcut-card p {
  color: #555;
  font-family: 'Consolas', 'Courier New', monospace;
}

footer {
  text-align: center;
  color: #666;
}

.no-results {
  text-align: center;
  padding: 40px;
  color: #666;
  font-size: 1.2rem;
}