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

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #333;
}

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

header {
  text-align: center;
  margin-bottom: 2rem;
  color: white;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 1rem;
}

.filters {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.search-container {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.search-input {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #333;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  width: 100%;
  max-width: 300px;
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(102, 126, 234, 0.5);
  box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
}

.search-input::placeholder {
  color: #7f8c8d;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  font-size: 0.8rem;
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  padding: 0.8rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  cursor: pointer;
  backdrop-filter: blur(10px);
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.card-category {
  display: none;
}

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: #2c3e50;
  line-height: 1.2;
}

.card-type {
  color: #7f8c8d;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: auto;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  max-width: 90%;
  max-height: 90%;
  overflow: auto;
  position: relative;
}

.modal-video,
.modal-image {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 10px;
}

.modal-text {
  max-width: 600px;
  line-height: 1.6;
  font-size: 1.1rem;
}

.close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: #e74c3c;
  color: white;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-audio {
  width: 400px;
  max-width: 90%;
}

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

  .container {
    padding: 1rem;
  }

  .grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.6rem;
  }

  .card {
    padding: 0.6rem;
    min-height: 50px;
  }

  .card-title {
    font-size: 0.8rem;
  }
}