:root {
  --primary: #4e73df;
  --primary-light: #6e8def;
  --primary-dark: #3a56b5;
  --secondary: #1cc88a;
  --secondary-light: #3ce8aa;
  --dark: #2d3748;
  --dark-light: #4a5568;
  --light: #f8f9fc;
  --light-dark: #e2e8f0;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: #f5f7fa;
  min-height: 100vh;
  color: var(--dark);
  line-height: 1.6;
}

.panel-container {
  width: 100%;
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 20px;
}

.panel-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.panel-header h1 {
  color: var(--primary);
  font-size: 2.5rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.panel-header h1 i {
  font-size: 2rem;
  color: var(--primary);
}

.search-bar {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-bar input {
  width: 100%;
  padding: 1rem 1.5rem 1rem 3.5rem;
  border: 2px solid var(--light-dark);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 500;
  outline: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
  background-color: white;
}

.search-bar input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(78, 115, 223, 0.2);
}

.search-bar i {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dark-light);
  font-size: 1.1rem;
}

.panel-card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  overflow: hidden;
  position: relative;
}

.panel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  background-color: var(--light);
  border: 1px solid var(--light-dark);
  position: relative;
  overflow: hidden;
}

.icon-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
  background-color: white;
}

.icon-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.icon-item:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.icon-item a {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  height: 100%;
}

.icon-item .icon-wrapper {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background-color: rgba(78, 115, 223, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.icon-item img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  transition: var(--transition);
}

.icon-item:hover .icon-wrapper {
  background-color: var(--primary);
}

.icon-item:hover .icon-wrapper img {
  width: 50px;
  height: 50px;
  filter: brightness(0) invert(1);
}

.icon-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--dark);
  font-weight: 600;
  transition: var(--transition);
}

.icon-item:hover p {
  color: var(--primary-dark);
}

/* Scrollbar */
.panel-card::-webkit-scrollbar {
  width: 8px;
}
.panel-card::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.1);
  border-radius: 10px;
}

/* Responsive */
@media (max-width: 1024px) {
  .icon-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}

@media (max-width: 768px) {
  .panel-header h1 {
    font-size: 2rem;
  }

  .panel-card {
    padding: 1.5rem;
  }

  .icon-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1.2rem;
  }

  .icon-item {
    padding: 1.2rem 0.8rem;
  }

  .icon-wrapper {
    width: 60px;
    height: 60px;
  }

  .icon-item img {
    width: 32px;
    height: 32px;
  }

  .icon-item:hover .icon-wrapper img {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 480px) {
  .panel-container {
    padding: 0 15px;
  }

  .panel-header h1 {
    font-size: 1.8rem;
  }

  .search-bar input {
    padding: 0.8rem 1.2rem 0.8rem 3rem;
  }

  .search-bar i {
    left: 1.2rem;
  }

  .icon-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  }

  .icon-item p {
    font-size: 0.85rem;
  }
}