/**
 * Category Card Component
 * Displays a category with an icon and title
 * Icon is centered above the category text
 */
class CategoryCard extends HTMLElement {
  static get observedAttributes() {
    return ["title", "href", "icon"];
  }

  constructor() {
    super();
    this.attachShadow({ mode: "open" });
  }

  connectedCallback() {
    this.render();
  }

  attributeChangedCallback() {
    if (this.shadowRoot) {
      this.render();
    }
  }

  get title() {
    return this.getAttribute("title") || "Category";
  }

  get href() {
    return this.getAttribute("href") || "#";
  }

  get icon() {
    return this.getAttribute("icon") || "";
  }

  render() {
    const iconHtml = this.icon
      ? `<img src="${this.icon}" alt="${this.title}" class="category-icon">`
      : `<div class="category-icon placeholder">
           <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1" stroke="currentColor">
             <path stroke-linecap="round" stroke-linejoin="round" d="M9 12h3.75M9 15h3.75M9 18h3.75m3 .75H18a2.25 2.25 0 0 0 2.25-2.25V6.108c0-1.135-.845-2.098-1.976-2.192a48.424 48.424 0 0 0-1.123-.08m-5.801 0c-.065.21-.1.433-.1.664 0 .414.336.75.75.75h4.5a.75.75 0 0 0 .75-.75 2.25 2.25 0 0 0-.1-.664m-5.8 0A2.251 2.251 0 0 1 13.5 2.25H15c1.012 0 1.867.668 2.15 1.586m-5.8 0c-.376.023-.75.05-1.124.08C9.095 4.01 8.25 4.973 8.25 6.108V8.25m0 0H4.875c-.621 0-1.125.504-1.125 1.125v11.25c0 .621.504 1.125 1.125 1.125h9.75c.621 0 1.125-.504 1.125-1.125V9.375c0-.621-.504-1.125-1.125-1.125H8.25ZM6.75 12h.008v.008H6.75V12Zm0 3h.008v.008H6.75V15Zm0 3h.008v.008H6.75V18Z" />
           </svg>
         </div>`;

    this.shadowRoot.innerHTML = `
      <style>
        :host {
          display: flex;
        }

        .card {
          display: flex;
          flex-direction: column;
          align-items: center;
          flex: 1;
          color: inherit;
          padding: var(--spacing-md, 0.875rem) var(--spacing-xs, 0.25rem);
          text-decoration: none;
          transition: transform var(--transition-fast, 150ms ease);
          background-color: #F5F4FC;
        }

        .card:hover {
          transform: translateY(-2px);
        }

        .card:active {
          transform: translateY(0);
        }

        .category-icon {
          width: 64px;
          height: 64px;
          object-fit: contain;
          display: block;
        }

        .category-icon.placeholder {
          display: flex;
          align-items: center;
          justify-content: center;
          background-color: var(--color-background-tertiary, #f1f5f9);
          border-radius: var(--radius-md, 0.5rem);
          color: var(--color-text-light, #64748b);
        }

        .category-icon.placeholder svg {
          width: 32px;
          height: 32px;
          opacity: 0.5;
        }

        .category-title {
          font-family: var(--font-family-outfit, "Outfit", sans-serif);
          font-size: var(--font-size-sm, 0.875rem); /* 14px */
          font-weight: var(--font-weight-light, 300);
          line-height: var(--line-height-24, 24px);
          color: var(--color-text, #1e293b);
          text-align: center;
          margin: 0;
        }
      </style>
      <a href="${this.href}" class="card">
        ${iconHtml}
        <p class="category-title">${this.title}</p>
      </a>
    `;
  }
}

customElements.define("category-card", CategoryCard);