:root {
      --primary-color: #00f0ff;
      --secondary-color: #ff2d75;
      --bg-color: #0f0f1a;
      --text-color: #ffffff;
      --card-bg: rgba(15, 15, 26, 0.8);
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }

    [data-theme="light"] {
      --bg-color: #f5f5fa;
      --text-color: #333333;
      --card-bg: rgba(255, 255, 255, 0.9);
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

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

    body {
      margin: 0;
      padding: 0;
      background: var(--bg-color);
      color: var(--text-color);
      font-family: 'Poppins', sans-serif;
      overflow-x: hidden;
      min-height: 100vh;
      transition: background 0.5s ease;
    }

    #preloader {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: var(--bg-color);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 9999;
      transition: opacity 0.5s ease;
    }

    .loader {
      width: 50px;
      height: 50px;
      border: 5px solid rgba(0, 240, 255, 0.3);
      border-radius: 50%;
      border-top-color: var(--primary-color);
      animation: spin 1s ease-in-out infinite;
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    #bgVideo {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      object-fit: cover;
      z-index: -1;
      pointer-events: none;
      opacity: 0.3;
    }

    .particles {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 0;
    }

    .container {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      width: 100%;
      text-align: center;
      position: relative;
      z-index: 1;
      padding: 20px;
      opacity: 0;
      transform: translateY(20px);
      animation: fadeIn 1s ease forwards;
    }

    @keyframes fadeIn {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .profile-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      border-radius: 20px;
      padding: 30px;
      width: 100%;
      max-width: 500px;
      box-shadow: var(--shadow);
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .profile-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    }

    .avatar-frame {
      position: relative;
      width: 150px;
      height: 150px;
      margin: 0 auto 20px;
      border-radius: 50%;
      background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
      padding: 5px;
      box-shadow: 0 5px 15px rgba(0, 240, 255, 0.4);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.7); }
      70% { box-shadow: 0 0 0 15px rgba(0, 240, 255, 0); }
      100% { box-shadow: 0 0 0 0 rgba(0, 240, 255, 0); }
    }

    .avatar {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid var(--bg-color);
    }

    h1 {
      font-size: 24px;
      margin: 10px 0;
      color: var(--primary-color);
      font-weight: 700;
      position: relative;
      display: inline-block;
    }

    h1::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 50%;
      transform: translateX(-50%);
      width: 50px;
      height: 3px;
      background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
      border-radius: 3px;
    }

    .verified {
      color: var(--primary-color);
      margin-left: 5px;
      font-size: 16px;
    }

    .title {
      font-size: 16px;
      color: var(--secondary-color);
      margin-bottom: 20px;
      font-weight: 500;
    }

    .social-icons {
      display: flex;
      justify-content: center;
      margin: 20px 0;
      flex-wrap: wrap;
    }

    .social-icons a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.1);
      margin: 0 10px;
      color: var(--text-color);
      text-decoration: none;
      transition: all 0.3s ease;
      font-size: 18px;
    }

    .social-icons a:hover {
      background: var(--primary-color);
      color: #000;
      transform: translateY(-3px);
      box-shadow: 0 5px 15px rgba(0, 240, 255, 0.4);
    }

    .info {
      font-size: 14px;
      margin: 20px 0;
      line-height: 1.8;
      color: var(--text-color);
      font-weight: 400;
      letter-spacing: 0.5px;
      min-height: 100px;
    }

    .typing-text {
      border-right: 2px solid var(--primary-color);
      animation: blink 0.75s step-end infinite;
    }

    @keyframes blink {
      from, to { border-color: transparent; }
      50% { border-color: var(--primary-color); }
    }

    .timer {
      font-size: 14px;
      color: var(--secondary-color);
      margin: 15px 0;
      font-family: 'Orbitron', sans-serif;
    }

    .music-player {
      margin-top: 20px;
      width: 100%;
    }

    .music-controls {
      display: flex;
      align-items: center;
      justify-content: center;
      margin-top: 10px;
    }

    .music-btn {
      background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
      border: none;
      padding: 10px 20px;
      border-radius: 30px;
      color: #000;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      display: flex;
      align-items: center;
      box-shadow: 0 5px 15px rgba(0, 240, 255, 0.3);
    }

    .music-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 240, 255, 0.4);
    }

    .music-btn i {
      margin-right: 8px;
    }

    select {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: var(--text-color);
      padding: 10px 15px;
      border-radius: 30px;
      width: 100%;
      max-width: 300px;
      margin: 10px 0;
      cursor: pointer;
      transition: all 0.3s ease;
      outline: none;
    }

    select:hover {
      border-color: var(--primary-color);
    }

    select option {
      background: var(--bg-color);
    }

    .theme-toggle {
      position: fixed;
      top: 20px;
      right: 20px;
      background: rgba(255, 255, 255, 0.1);
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      z-index: 100;
      transition: all 0.3s ease;
    }

    .theme-toggle:hover {
      background: var(--primary-color);
      color: #000;
    }

    .stats {
      position: fixed;
      bottom: 20px;
      left: 20px;
      background: rgba(0, 0, 0, 0.5);
      padding: 8px 15px;
      border-radius: 20px;
      font-size: 12px;
      font-family: 'Orbitron', sans-serif;
      color: var(--primary-color);
      display: flex;
      align-items: center;
    }

    .stats i {
      margin-right: 8px;
    }

    @media screen and (max-width: 768px) {
      .profile-card {
        padding: 20px;
      }
      
      .avatar-frame {
        width: 120px;
        height: 120px;
      }
      
      h1 {
        font-size: 20px;
      }
      
      .info {
        font-size: 13px;
      }
      
      .social-icons a {
        width: 35px;
        height: 35px;
        font-size: 16px;
        margin: 0 8px;
      }
    }

    @media screen and (max-width: 480px) {
      .profile-card {
        padding: 15px;
      }
      
      .avatar-frame {
        width: 100px;
        height: 100px;
      }
      
      h1 {
        font-size: 18px;
      }
      
      .title {
        font-size: 14px;
      }
      
      .info {
        font-size: 12px;
      }
      
      .social-icons a {
        width: 30px;
        height: 30px;
        font-size: 14px;
        margin: 0 5px;
      }
      
      .theme-toggle {
        top: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
      }
    }