* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    }
    body {
      background: #0c0f1e;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 1.5rem;
    }
    .glass-panel {
      max-width: 1100px;
      width: 100%;
      background: rgba(18, 22, 40, 0.9);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(90, 140, 255, 0.15);
      border-radius: 2.8rem;
      padding: 2.5rem 2.2rem;
      box-shadow: 0 30px 50px -20px #00000080, inset 0 1px 1px #ffffff0d;
    }
    h1 {
      display: flex;
      align-items: center;
      gap: 0.8rem;
      font-weight: 500;
      font-size: 2.3rem;
      letter-spacing: -0.02em;
      background: linear-gradient(130deg, #b7cdff, #8bb2ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 0.2rem;
    }
    h1 span {
      background: #1e274a;
      padding: 0.3rem 1.2rem;
      border-radius: 60px;
      font-size: 1.2rem;
      font-weight: 500;
      color: #adcbff;
      -webkit-text-fill-color: #adcbff;
      border: 0.5px solid #3b4780;
    }
    .sub {
      color: #7e8fc7;
      margin-left: 0.6rem;
      margin-bottom: 2rem;
      border-left: 4px solid #38508b;
      padding-left: 1.2rem;
      font-size: 0.95rem;
    }
    .grid {
      display: flex;
      flex-wrap: wrap;
      gap: 2rem;
    }
    .shortener-box {
      flex: 1.2;
      min-width: 300px;
    }
    .property-panel {
      flex: 1.8;
      min-width: 340px;
    }
    .card {
      background: #0f1427f2;
      border-radius: 2rem;
      padding: 1.8rem 1.8rem;
      border: 1px solid #293259;
      box-shadow: 0 15px 30px -15px #000000;
    }
    .input-group {
      margin-bottom: 1.5rem;
    }
    label {
      display: block;
      color: #b3c3f0;
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 0.5rem;
    }
    label i {
      font-style: normal;
      background: #2b365e;
      padding: 0.2rem 0.7rem;
      border-radius: 30px;
      color: #d9e5ff;
      margin-right: 0.5rem;
      font-size: 0.75rem;
    }
    input, select, textarea {
      width: 100%;
      background: #1b2340;
      border: 1.5px solid #31406e;
      border-radius: 1.5rem;
      padding: 0.9rem 1.3rem;
      font-size: 1rem;
      color: #ecf2ff;
      outline: none;
      transition: all 0.15s;
    }
    input:focus, select:focus, textarea:focus {
      border-color: #6381e0;
      box-shadow: 0 0 0 3px #2c3b7b80;
    }
    textarea {
      resize: vertical;
      min-height: 70px;
    }
    .button-row {
      display: flex;
      gap: 1rem;
      margin: 1.8rem 0 0.8rem;
      flex-wrap: wrap;
    }
    button {
      background: #29386b;
      border: none;
      color: white;
      font-weight: 500;
      padding: 0.9rem 2rem;
      border-radius: 2.5rem;
      font-size: 1.05rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.6rem;
      border: 1px solid #4d63b5;
      box-shadow: 0 5px 0 #141c38;
      cursor: pointer;
      transition: 0.08s linear;
      flex: 1;
    }
    button:active {
      transform: translateY(3px);
      box-shadow: 0 2px 0 #141c38;
    }
    .primary-btn {
      background: #3d5092;
      border-color: #7b97ff;
    }
    .download-btn {
      background: #2b4d3c;
      border-color: #539a6e;
      box-shadow: 0 5px 0 #1d3527;
      width: 100%;
      margin-top: 0.8rem;
    }
    .preview-short {
      background: #0f1a28;
      border-radius: 1.8rem;
      padding: 1.8rem;
      border: 1px solid #38506b;
    }
    .short-url-display {
      background: #101a2b;
      border-radius: 2rem;
      padding: 1.4rem 1.5rem;
      border: 2px dashed #4f659c;
      font-size: 1.4rem;
      word-break: break-all;
      color: #c4dcff;
      font-weight: 500;
    }
    .property-list {
      margin-top: 1.5rem;
      background: #111b30;
      border-radius: 1.5rem;
      padding: 1.2rem 1.5rem;
      display: flex;
      flex-wrap: wrap;
      gap: 1rem 1.8rem;
      color: #c6d7ff;
    }
    .property-item {
      display: flex;
      align-items: baseline;
      gap: 0.4rem;
    }
    .property-item .tag {
      background: #253153;
      padding: 0.2rem 0.9rem;
      border-radius: 30px;
      color: #b9d0ff;
      font-size: 0.8rem;
      font-weight: 500;
    }
    .badge-secure {
      background: #1b3b2b;
      color: #b0ffcf;
      padding: 0.3rem 1.2rem;
      border-radius: 30px;
      font-size: 0.8rem;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      border: 1px solid #6fa383;
      margin-top: 1rem;
    }
    .file-size-info {
      color: #96abdf;
      font-size: 0.9rem;
      background: #1d2747;
      border-radius: 3rem;
      padding: 0.3rem 1.2rem;
      width: fit-content;
    }
    hr {
      border: 0.5px solid #28355c;
      margin: 1.2rem 0;
    }
    footer {
      color: #566a9e;
      font-size: 0.8rem;
      margin-top: 2rem;
      text-align: center;
    }