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

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .container {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-radius: 20px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
      padding: 40px;
      max-width: 500px;
      width: 100%;
      text-align: center;
      animation: fadeInUp 0.6s ease-out;
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .logo {
      font-size: 2.5rem;
      font-weight: bold;
      background: linear-gradient(45deg, #667eea, #764ba2);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 10px;
    }

    .subtitle {
      color: #666;
      font-size: 1.1rem;
      margin-bottom: 30px;
      line-height: 1.5;
    }

    .input-group {
      margin-bottom: 30px;
    }

    .input-container {
      position: relative;
      margin-bottom: 20px;
    }

    input[type="url"] {
      width: 100%;
      padding: 15px 20px;
      border: 2px solid #e0e0e0;
      border-radius: 12px;
      font-size: 1rem;
      transition: all 0.3s ease;
      background: white;
      outline: none;
    }

    input[type="url"]:focus {
      border-color: #667eea;
      box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
      transform: translateY(-2px);
    }

    .create-btn {
      width: 100%;
      padding: 15px;
      background: linear-gradient(45deg, #667eea, #764ba2);
      color: white;
      border: none;
      border-radius: 12px;
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .create-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
    }

    .create-btn:active {
      transform: translateY(0);
    }

    .create-btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
      transition: left 0.5s;
    }

    .create-btn:hover::before {
      left: 100%;
    }

    .result {
      margin-top: 30px;
      padding: 20px;
      background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
      border-radius: 12px;
      border-left: 4px solid #667eea;
      display: none;
      animation: slideIn 0.5s ease-out;
    }

    @keyframes slideIn {
      from {
        opacity: 0;
        transform: translateX(-20px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }

    .result.show {
      display: block;
    }

    .result h3 {
      color: #333;
      margin-bottom: 10px;
      font-size: 1.2rem;
    }

    .result a {
      color: #667eea;
      text-decoration: none;
      font-weight: 600;
      word-break: break-all;
      transition: color 0.3s ease;
    }

    .result a:hover {
      color: #764ba2;
    }

    .copy-btn {
      margin-top: 10px;
      padding: 8px 16px;
      background: #667eea;
      color: white;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-size: 0.9rem;
      transition: all 0.3s ease;
    }

    .copy-btn:hover {
      background: #764ba2;
      transform: scale(1.05);
    }

    .error {
      color: #e74c3c;
      background: #ffeaea;
      border-left: 4px solid #e74c3c;
    }

    .loading {
      pointer-events: none;
      opacity: 0.7;
    }

    .loading::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 20px;
      height: 20px;
      margin: -10px 0 0 -10px;
      border: 2px solid transparent;
      border-top: 2px solid white;
      border-radius: 50%;
      animation: spin 1s linear infinite;
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    .features {
      margin-top: 40px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
    }

    .feature {
      padding: 15px;
      background: rgba(102, 126, 234, 0.1);
      border-radius: 10px;
      transition: transform 0.3s ease;
    }

    .feature:hover {
      transform: translateY(-5px);
    }

    .feature-icon {
      font-size: 2rem;
      margin-bottom: 10px;
    }

    .feature-text {
      font-size: 0.9rem;
      color: #666;
      font-weight: 500;
    }

      .site-footer {
        text-align: center;
        font-size: 0.8rem;
        color: #333;
        margin-top: 40px;
        opacity: 0.7;
      }
      
      .site-footer a {
        color: #333;
        text-decoration: none;
        margin: 0 5px;
      }
      
      .site-footer a:hover {
        text-decoration: underline;
      }


    @media (max-width: 480px) {
      .container {
        padding: 30px 20px;
      }
      
      .logo {
        font-size: 2rem;
      }
      
      .subtitle {
        font-size: 1rem;
      }
    }