:root {
    --bg-color: #0a192f;
    --container-bg: rgba(17, 34, 64, 0.4);
    --text-color: #e6f1ff;
    --input-bg: rgba(29, 53, 87, 0.6);
    --button-bg: #fca311;
    --button-hover: #f48c06;
    --error-color: #e63946;
    --gradient-1: #ff6b6b;
    --gradient-2: #4ecdc4;
    --gradient-3: #45b7e8;
    --gradient-4: #2ecc71;
    --header-bg-1: #1a1a2e;
    --header-bg-2: #16213e;
  }

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

  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: 80px; /* Adjusted for fixed header */
    background-image: 
      radial-gradient(circle at 10% 20%, rgba(255, 107, 107, 0.1) 0%, transparent 20%),
      radial-gradient(circle at 90% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 20%),
      radial-gradient(circle at 50% 50%, rgba(69, 183, 232, 0.1) 0%, transparent 30%);
    background-attachment: fixed;
  }

  header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: linear-gradient(45deg, var(--header-bg-1), var(--header-bg-2));
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    height: 80px;
  }

  .logo {
    display: flex;
    align-items: center;
  }

  .logo h1 {
    font-size: 1.8rem;
    margin-right: 10px;
  }

  .logo h2 {
    font-size: 1rem;
    opacity: 0.8;
  }

  nav ul {
    list-style-type: none;
    display: flex;
  }

  nav ul li {
    margin-left: 20px;
  }

  nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
  }

  nav ul li a:hover {
    color: var(--button-bg);
  }

  .container {
    background-color: var(--container-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    border: 2px solid;
    border-image: linear-gradient(45deg, var(--gradient-1), var(--gradient-2), var(--gradient-3), var(--gradient-4)) 1;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .gradient-text {
    background: linear-gradient(45deg, var(--gradient-1), var(--gradient-2), var(--gradient-3), var(--gradient-4));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: bold;
  }

  textarea {
    width: 100%;
    height: 200px;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: none;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    resize: vertical;
    font-size: 16px;
    transition: box-shadow 0.3s;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
  }

  textarea:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(78, 205, 196, 0.5);
  }

  button {
    background-color: var(--button-bg);
    color: var(--bg-color);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s;
    width: 100%;
    max-width: 250px;
    margin: 0 auto;
    display: block;
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  button:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(252, 163, 17, 0.4);
  }

  #error {
    color: var(--error-color);
    margin-top: 15px;
    text-align: center;
    font-weight: bold;
  }

  .ad-banner {
    background-color: var(--input-bg);
    color: var(--text-color);
    padding: 15px;
    text-align: center;
    font-weight: bold;
    margin: 15px 0;
    border-radius: 8px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
  }

  .ad-horizontal {
    width: 100%;
    max-width: 728px;
    height: 90px;
    margin: 15px auto;
  }

  .ad-vertical {
    width: 160px;
    height: 600px;
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
  }

  .ad-left {
    left: 15px;
  }

  .ad-right {
    right: 15px;
  }

  .content-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    flex-grow: 1;
    padding: 30px 0;
  }

  .more-generators {
    background-color: var(--container-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: 800px;
    width: 100%;
    margin: 20px auto 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .more-generators h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    text-align: center;
  }

  .generator-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
  }

  .generator-link {
    display: flex;
    align-items: center;
    color: var(--text-color);
    text-decoration: none;
    margin: 10px;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s;
  }

  .generator-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
  }

  .generator-link i {
    margin-right: 10px;
    font-size: 1.2rem;
  }

  @media (max-width: 1200px) {
    .ad-vertical {
      display: none;
    }
  }

  @media (max-width: 768px) {
    body {
      padding-top: 120px;
    }

    header {
      flex-direction: column;
      align-items: flex-start;
      padding: 15px;
      height: auto;
    }

    .logo {
      margin-bottom: 10px;
    }

    nav ul {
      flex-wrap: wrap;
      justify-content: flex-start;
    }

    nav ul li {
      margin: 5px 10px 5px 0;
    }

    .container, .more-generators {
      padding: 20px;
    }

    textarea {
      height: 150px;
    }

    .ad-horizontal {
      height: 60px;
    }

    .generator-links {
      flex-direction: column;
    }

    .generator-link {
      width: 100%;
      justify-content: center;
    }
  }

  @media (max-width: 480px) {
    textarea {
      height: 120px;
    }

    button {
      font-size: 16px;
      padding: 10px 20px;
    }

    .ad-horizontal {
      height: 50px;
    }
  }