/* CSS Variables for theme colors and languages */
   :root {
  --bg-light: #ffffff; /* Clean White */
  --bg-dark: #131313; /* Instagram's Dark Mode */
  --text-light: #262626; /* Dark Gray */
  --text-dark: #f5f5f5; /* Light Gray for Dark Mode */
  --primary-color: #E1306C; /* Instagram Pink-Red */
  --secondary-color: #FD1D1D; /* Bright Red */
  --error-bg: #FFEBEE; /* Soft Error Background */
  --error-text: #D32F2F; /* Error Red */
  --success-bg: #E8F5E9; /* Soft Green Background */
  --success-text: #43A047; /* Success Green */
  --tooltip-bg: rgba(0, 0, 0, 0.8); /* Dark Tooltip */
  --tooltip-text: #ffffff; /* White Tooltip Text */
  --modal-bg: rgba(0, 0, 0, 0.85); /* Dark Modal */
  
  /* Instagram Gradient Background */
  --insta-gradient: linear-gradient(45deg, #feda75, #fa7e1e, #d62976, #962fbf, #4f5bd5);
}
  /* Full-Screen Preloader */
        .preloader {
            position: fixed;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #f9ce34, #ee2a7b, #6228d7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            transition: opacity 0.5s ease;
        }

        /* Spinner Animation */
        .spinner {
            width: 60px;
            height: 60px;
            border: 6px solid rgba(255, 255, 255, 0.3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

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

        /* Hide Preloader */
        .preloader.hide {
            opacity: 0;
            visibility: hidden;
        }
body {
  background: var(--insta-gradient);
  background-size: 400% 400%;
  animation: gradientAnimation 15s ease infinite;
}

button, .option-btn {
  background: var(--insta-gradient);
  color: white;
  border: none;
}

button:hover, .option-btn:hover {
  filter: brightness(1.1);
  transform: scale(1.05);
}

    /* Enhanced Background for Body */
    body {
      font-family: 'Inter', sans-serif;
      margin: 0;
      padding: 0;
      height: 100vh;
      user-select: none;
      /* Enhanced multi-color gradient background */
      background: linear-gradient(45deg, #6EC1E4, #9b59b6, #e74c3c, #34495e, #2ecc71);
      background-size: 400% 400%;
      animation: gradientAnimation 15s ease infinite;
      transition: background 0.3s ease, color 0.3s ease;
      color: var(--text-light);
    }
    /* Enhanced Dark Mode Background */
    body.dark-mode {
      background: linear-gradient(45deg, #6EC1E4, #2c2c2c, #000000);
      background-size: 400% 400%;
      animation: gradientAnimation 15s ease infinite;
      color: var(--text-dark);
    }
    @keyframes gradientAnimation {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }
    /* Watermark overlay */
    .watermark {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      opacity: 0.05;
      background: url('https://via.placeholder.com/300?text=Protected') repeat;
      background-size: 300px 300px;
      z-index: 9999;
    }
    /* Main Container */
  .u-tools_container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 650px;
  padding: 2.5rem;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
  text-align: center;
  overflow: hidden;
  animation: boxAnimation 0.5s ease-out;
  transition: background-color 0.3s ease, color 0.3s ease;
}

    /* Dark mode for container */
    body.dark-mode .u-tools_container {
      background-color: rgba(44, 44, 44, 0.9);
      color: var(--text-dark);
    }
    @keyframes boxAnimation {
      0% { transform: scale(0.9); opacity: 0; }
      100% { transform: scale(1); opacity: 1; }
    }
    h3 {
      color: inherit;
      font-size: 1.8rem;
      font-weight: 600;
      margin-bottom: 2rem;
    }
    /* Form and Input Styling */
    form {
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
    }
    .visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }
    input[type="text"] {
      width: 100%;
      padding: 1rem;
      margin-bottom: 1.5rem;
      font-size: 1.2rem;
      border-radius: 6px;
      border: 1px solid #B3C7E6;
      background-color: #f9f9f9;
      font-weight: bold;
      text-align: center;
      color: #000;
      transition: box-shadow 0.3s ease, transform 0.3s ease;
    }
    input[type="text"]:focus {
      border: 1px solid #000;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
      transform: scale(1.08);
      outline: none;
      background-color: #fff;
    }
    /* Tooltip for input */
    .tooltip {
      position: absolute;
      top: -40px;
      background: var(--tooltip-bg);
      color: var(--tooltip-text);
      padding: 0.5rem 1rem;
      border-radius: 4px;
      font-size: 0.9rem;
      opacity: 0;
      transition: opacity 0.3s ease;
      pointer-events: none;
      white-space: nowrap;
    }
    input[type="text"]:hover + .tooltip,
    input[type="text"]:focus + .tooltip {
      opacity: 1;
    }
    button, .option-btn {
      width: 100%;
      padding: 1rem;
      font-size: 1.2rem;
      font-weight: 600;
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.3s ease;
      margin-bottom: 1rem;
    }
    button:hover, .option-btn:hover {
      background-color: var(--secondary-color);
      transform: scale(1.05);
    }
    /* Additional Reset Button */
    #resetForm {
      background-color: #f44336;
    }
    #resetForm:hover {
      background-color: #d32f2f;
    }
    /* Language Selector */
    #languageSelect {
      width: 100%;
      padding: 0.5rem;
      font-size: 1rem;
      border-radius: 6px;
      border: 1px solid #B3C7E6;
      margin-bottom: 1rem;
      background-color: #fff;
      text-align: center;
    }
    /* Spinner Animation */
    .spinner {
      display: none;
      margin: 1rem auto;
      width: 50px;
      height: 50px;
      border: 5px solid #f3f3f3;
      border-top: 5px solid var(--primary-color);
      border-radius: 50%;
      animation: spin 1s linear infinite;
    }
    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }
    .error {
      display: none;
      background-color: var(--error-bg);
      color: var(--error-text);
      border: 1px solid var(--error-text);
      padding: 1rem;
      border-radius: 6px;
      margin-bottom: 1.5rem;
      font-size: 1.1rem;
      opacity: 0;
      transition: opacity 0.5s ease;
    }
    .error.show {
      opacity: 1;
    }
    /* Result Box */
    .result {
      display: none;
      background-color: #F3F7FB;
      padding: 1.5rem;
      border-radius: 8px;
      margin-top: 1.5rem;
      text-align: left;
      color: inherit;
      opacity: 0;
      transform: translateY(50px);
      animation: slideIn 0.5s forwards;
      transition: background-color 0.5s ease, box-shadow 0.3s ease;
      position: relative;
    }
    /* Dark mode for result box */
    body.dark-mode .result {
      background-color: #444;
      color: var(--text-dark);
    }
    @keyframes slideIn {
      from { opacity: 0; transform: translateY(50px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .green {
      background-color: var(--success-bg);
      color: var(--success-text);
      border: 1px solid var(--success-text);
      box-shadow: 0px 10px 20px rgba(76, 175, 80, 0.6);
    }
    .red {
      background-color: var(--error-bg);
      color: var(--error-text);
      border: 1px solid var(--error-text);
      box-shadow: 0px 10px 20px rgba(244, 67, 54, 0.7);
    }
    .profile-image {
      width: 140px;
      height: 140px;
      border-radius: 50%;
      object-fit: cover;
      margin-bottom: 1.5rem;
      border: 2px solid #ccc;
    }
    .result p {
      font-size: 1.1rem;
      margin: 0.5rem 0;
      line-height: 1.4;
    }
    /* Posts Container */
    .posts-container {
      margin-top: 1.5rem;
      display: grid;
      gap: 10px;
    }
    .posts-container h4 {
      grid-column: 1 / -1;
      margin-bottom: 0.5rem;
      font-size: 1.3rem;
      text-align: center;
      color: inherit;
    }
    .posts-container a {
      display: block;
    }
    .posts-container img {
      width: 100%;
      border-radius: 6px;
      object-fit: cover;
      cursor: pointer;
      transition: transform 0.3s ease;
    }
    .posts-container img:hover {
      transform: scale(1.05);
    }
    /* WhatsApp Icon Styling */
    .whatsapp-icon {
      position: fixed;
      bottom: 20px;
      right: 20px;
      width: 70px;
      height: 70px;
      background: linear-gradient(45deg, #25D366, #128C7E);
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
      cursor: pointer;
      animation: pulseGlow 1.5s infinite ease-in-out, rotateIcon 2s infinite linear;
      transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    }
    @keyframes pulseGlow {
      0% {
        box-shadow: 0 0 5px 0 rgba(0, 255, 0, 0.5);
        background: linear-gradient(45deg, #25D366, #128C7E);
      }
      50% {
        box-shadow: 0 0 25px 10px rgba(0, 255, 0, 1);
        background: linear-gradient(45deg, #128C7E, #25D366);
      }
      100% {
        box-shadow: 0 0 5px 0 rgba(0, 255, 0, 0.5);
        background: linear-gradient(45deg, #25D366, #128C7E);
      }
    }
    @keyframes rotateIcon {
      0% { transform: rotate(0deg); }
      10% { transform: rotate(180deg); }
      20% { transform: rotate(0deg); }
    }
    .whatsapp-icon:hover {
      transform: scale(1.15) rotate(15deg);
      background: linear-gradient(45deg, #128C7E, #00E676);
      box-shadow: 0 0 30px 15px rgba(0, 255, 0, 0.8);
    }
    .whatsapp-icon i {
      font-size: 35px;
      color: white;
      transition: color 0.5s ease;
    }
    .whatsapp-icon:hover i {
      color: #fff;
    }
    /* Options Panel */
    .options-panel {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1rem;
    }
    .options-panel .option-btn {
      flex: 1;
    }
    /* Notification Toast */
    .notification {
      position: fixed;
      top: 20px;
      right: 20px;
      background: var(--primary-color);
      color: white;
      padding: 0.8rem 1.2rem;
      border-radius: 6px;
      opacity: 0;
      transition: opacity 0.5s ease;
      z-index: 10000;
    }
    .notification.show {
      opacity: 1;
    }
    /* Modal for Instructions */
    .modal {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: var(--modal-bg);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 20000;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .modal.show {
      opacity: 1;
      pointer-events: auto;
    }
    .modal-content {
      background: var(--bg-light);
      padding: 2rem;
      border-radius: 8px;
      text-align: center;
      max-width: 400px;
    }
    body.dark-mode .modal-content {
      background: var(--bg-dark);
      color: var(--text-dark);
    }
    .modal-close {
      margin-top: 1rem;
      background-color: var(--secondary-color);
    }