@font-face {
        font-family: "Inter";
        src: url("Inter.ttf") format("truetype");
      }

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

      body {
        font-family:
          "Inter",
          -apple-system,
          BlinkMacSystemFont,
          "Segoe UI",
          sans-serif;
        background: #0a0e1a;
        color: #ffffff;
        min-height: 100vh;
        position: relative;
        overflow-x: hidden;
      }

      /* Starfield background */
      body::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image:
          radial-gradient(2px 2px at 20px 30px, #eee, rgba(0, 0, 0, 0)),
          radial-gradient(2px 2px at 60px 70px, #fff, rgba(0, 0, 0, 0)),
          radial-gradient(1px 1px at 50px 50px, #ddd, rgba(0, 0, 0, 0)),
          radial-gradient(1px 1px at 130px 80px, #fff, rgba(0, 0, 0, 0)),
          radial-gradient(2px 2px at 90px 10px, #fff, rgba(0, 0, 0, 0));
        background-size: 200px 200px;
        animation: stars 60s linear infinite;
        opacity: 0.3;
        z-index: 0;
      }

      @keyframes stars {
        from {
          transform: translateY(0);
        }
        to {
          transform: translateY(-200px);
        }
      }

      .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 20px;
        position: relative;
        z-index: 1;
      }

      header {
        text-align: center;
        margin-bottom: 60px;
      }

      h1 {
        font-size: 3.5rem;
        font-weight: 800;
        color: #8b7cde;
        margin-bottom: 20px;
        letter-spacing: -0.02em;
      }

      .subtitle {
        font-size: 1.1rem;
        color: #a0a0a0;
        max-width: 600px;
        margin: 0 auto;
        line-height: 1.6;
      }

      .section {
        margin-bottom: 80px;
      }

      .section-title {
        font-size: 1.8rem;
        font-weight: 700;
        color: #8b7cde;
        margin-bottom: 30px;
        display: flex;
        align-items: center;
        gap: 12px;
      }

      .section-title::before {
        content: "";
        width: 4px;
        height: 30px;
        background: #8b7cde;
        border-radius: 2px;
      }

      .asset-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 30px;
      }

      .asset-card {
        background: rgba(10, 14, 26, 0.8);
        border-radius: 16px;
        padding: 30px;
        border: 1px solid rgba(139, 124, 222, 0.3);
        transition: all 0.3s ease;
      }

      .asset-card:hover {
        transform: translateY(-5px);
        border-color: #8b7cde;
        box-shadow: 0 10px 30px rgba(139, 124, 222, 0.2);
      }

      .asset-preview {
        background: #ffffff;
        border-radius: 12px;
        padding: 30px;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 150px;
        transition: background 0.3s ease;
      }

      .asset-preview.dark {
        background: #000000;
      }

      .asset-preview img {
        max-width: 100%;
        max-height: 120px;
        object-fit: contain;
        transition: filter 0.3s ease;
      }

      .asset-name {
        font-size: 1.2rem;
        font-weight: 600;
        color: #ffffff;
        margin-bottom: 10px;
      }

      .asset-info {
        font-size: 0.9rem;
        color: #888;
        margin-bottom: 15px;
      }

      .color-toggle-btn {
        background: rgba(139, 124, 222, 0.2);
        border: 1px solid rgba(139, 124, 222, 0.5);
        color: #8b7cde;
        padding: 8px 16px;
        border-radius: 8px;
        cursor: pointer;
        font-size: 0.9rem;
        font-weight: 500;
        transition: all 0.2s ease;
        margin-top: 10px;
      }

      .color-toggle-btn:hover {
        background: rgba(139, 124, 222, 0.3);
        border-color: #8b7cde;
      }

      .color-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
      }

      .color-card {
        border-radius: 16px;
        overflow: hidden;
        border: 1px solid rgba(139, 124, 222, 0.3);
      }

      .color-swatch {
        height: 120px;
        width: 100%;
      }

      .color-info {
        background: rgba(10, 14, 26, 0.8);
        padding: 20px;
      }

      .color-name {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 8px;
      }

      .color-value {
        font-family: "Courier New", monospace;
        font-size: 0.9rem;
        color: #888;
        cursor: pointer;
        padding: 8px;
        background: rgba(139, 124, 222, 0.1);
        border-radius: 6px;
        margin-top: 5px;
        transition: all 0.2s ease;
      }

      .color-value:hover {
        background: rgba(139, 124, 222, 0.2);
        color: #8b7cde;
      }

      .guidelines {
        background: rgba(20, 25, 40, 0.6);
        border-radius: 16px;
        padding: 25px;
        border-left: 4px solid #8b7cde;
        margin-top: 20px;
      }

      .guidelines h3 {
        color: #8b7cde;
        margin-bottom: 15px;
        font-size: 1.2rem;
      }

      .guidelines ul {
        list-style: none;
        padding-left: 0;
      }

      .guidelines li {
        color: #b0b0b0;
        margin-bottom: 10px;
        padding-left: 25px;
        position: relative;
        line-height: 1.6;
      }

      .guidelines li::before {
        content: "→";
        position: absolute;
        left: 0;
        color: #8b7cde;
        font-weight: bold;
      }

      @media (max-width: 768px) {
        h1 {
          font-size: 2.5rem;
        }
        .container {
          padding: 30px 15px;
        }
        .section {
          padding: 25px 20px;
        }
        .section-title {
          font-size: 1.5rem;
        }
        .asset-grid {
          grid-template-columns: 1fr;
        }
        .color-grid {
          grid-template-columns: 1fr;
        }
      }

      @media (max-width: 480px) {
        h1 {
          font-size: 2rem;
        }
        .subtitle {
          font-size: 1rem;
        }
      }

      .copy-notification {
        position: fixed;
        top: 20px;
        right: 20px;
        background: #8b7cde;
        color: white;
        padding: 15px 25px;
        border-radius: 12px;
        box-shadow: 0 5px 20px rgba(139, 124, 222, 0.4);
        opacity: 0;
        transform: translateY(-20px);
        transition: all 0.3s ease;
        z-index: 1000;
        pointer-events: none;
      }

      .copy-notification.show {
        opacity: 1;
        transform: translateY(0);
      }

      footer {
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
    opacity: 0.7;
    animation: fadeIn 1s ease-out 1.2s both;
    position: relative;
    margin-top: auto;
}

footer p {
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease-in-out;
    font-weight: 700;
    position: relative;
}

footer a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

footer a:hover::after {
    width: 100%;
}

footer a:hover {
    text-shadow: 0 0 10px var(--primary-color);
    transform: translateY(-1px);
}