/* Container & Layout */
.inventory-container {
  margin: 0 auto;
}

.inventory-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.inventory-title {
  font-size: 1.75rem;
  font-weight: 700;
  width: 100%;
  font-family: var(--font-mono);
  color: var(--ctp-mauve);
}

/* Form Elements */
.filter-form {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  flex-wrap: wrap;
}

.search-wrapper,
.select-wrapper {
  flex: 1;
  min-width: 0;
}

.inventory-input, 
.inventory-select {
  width: 100%;
  background-color: var(--ctp-base);
  border: 1px solid var(--ctp-surface1);
  color: var(--ctp-text);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  transition: border-color 0.2s;
  font-size: 1rem;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.inventory-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a6adc8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.inventory-input:focus, 
.inventory-select:focus {
  outline: none;
  border-color: var(--ctp-blue);
  box-shadow: 0 0 0 3px rgba(137, 180, 250, 0.1);
}

.inventory-input::placeholder {
  color: var(--ctp-overlay0);
}

/* Grid System */
.inventory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ctp-overlay0);
  padding: 3rem 1rem;
  font-size: 0.875rem;
}

/* Tablet & Desktop Breakpoints */
@media (min-width: 640px) {
  .inventory-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

  .inventory-title {
    width: auto;
  }

  .filter-form {
    width: auto;
    flex-wrap: nowrap;
  }
}

@media (min-width: 768px) {
  .inventory-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
  }

  .inventory-title {
    font-size: 1.75rem;
  }
}

@media (min-width: 1024px) {
  .inventory-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .inventory-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* Mobile-specific improvements */
@media (max-width: 639px) {
  .inventory-header {
    margin-bottom: 1.5rem;
  }

  .inventory-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
  }

  .filter-form {
    gap: 0.5rem;
  }

  .search-wrapper {
    flex: 1 1 100%;
  }

  .select-wrapper {
    flex: 1 1 100%;
  }

  .inventory-input,
  .inventory-select {
    padding: 0.625rem 0.875rem;
    font-size: 16px; /* Prevents iOS zoom on focus */
  }
}