    :root {
      --primary: #6366f1;
      --primary-hover: #4f46e5;
      --secondary: #f43f5e;
      --dark: #0f172a;
      --darker: #020617;
      --light: #f8fafc;
      --gray: #94a3b8;
      --success: #10b981;
      --error: #ef4444;
      --card-bg: rgba(15, 23, 42, 0.7);
      --glass-effect: rgba(15, 23, 42, 0.7);
    }

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

    body {
      font-family: 'Inter', sans-serif;
      background: var(--darker);
      color: var(--light);
      min-height: 100vh;
      background-image:
        radial-gradient(at 80% 0%, hsla(189, 100%, 56%, 0.15) 0px, transparent 50%),
        radial-gradient(at 0% 50%, hsla(355, 100%, 93%, 0.1) 0px, transparent 50%);
      background-attachment: fixed;
      line-height: 1.6;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    /* Header */
    header {
      /* padding: 2rem 0; */
      position: relative;
      z-index: 10;
    }

    .navbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--light);
      text-decoration: none;
    }

    .logo-icon {
      color: var(--primary);
      font-size: 2rem;
    }

    .nav-links {
      display: flex;
      gap: 2rem;
    }

    .nav-link {
      color: var(--gray);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s;
    }

    .nav-link:hover {
      color: var(--light);
    }

    .cta-button {
      background: var(--primary);
      color: white;
      padding: 0.6rem 1.25rem;
      border-radius: 0.375rem;
      font-weight: 500;
      transition: all 0.3s;
      text-decoration: none;
    }

    .cta-button:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    }

    /* Hero Section */
    .hero {
      padding: 5rem 0;
      text-align: center;
      position: relative;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: -50%;
      /* left: -20%; */
      left: 0%;
      width: 100%;
      height: 200%;
      background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
      z-index: -1;
    }

    .hero-title {
      font-size: 3.5rem;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 1.5rem;
      background: linear-gradient(to right, #fff, #94a3b8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.25rem;
      color: var(--gray);
      max-width: 700px;
      margin: 0 auto 2.5rem;
    }

    /* URL Shortener Form */
    .shortener-container {
      max-width: 800px;
      margin: 0 auto;
      position: relative;
      z-index: 5;
    }

    .shortener-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 1rem;
      padding: 2rem;
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }

    .form-group {
      display: flex;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    .url-input {
      flex: 1;
      padding: 1rem;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(2, 6, 23, 0.7);
      color: var(--light);
      border-radius: 0.5rem;
      font-size: 1rem;
      transition: all 0.3s;
    }

    .url-input:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
    }

    .url-input::placeholder {
      color: var(--gray);
    }

    .submit-button {
      background: var(--primary);
      color: white;
      padding: 0 2rem;
      border: none;
      border-radius: 0.5rem;
      font-size: 1rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s;
    }

    .submit-button:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
    }

    .submit-button:active {
      transform: translateY(0);
    }

    .advanced-options {
      margin-top: 1.5rem;
      padding: 1rem;
      background: rgba(2, 6, 23, 0.5);
      border-radius: 0.5rem;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }

    .advanced-toggle {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--gray);
      font-size: 0.9rem;
      cursor: pointer;
      user-select: none;
    }

    .advanced-toggle i {
      transition: transform 0.3s;
    }

    .advanced-toggle.active i {
      transform: rotate(180deg);
    }

    .advanced-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
    }

    .advanced-content.active {
      max-height: 600px;
      margin-top: 1rem;
    }

    .custom-alias-group {
      display: flex;
      gap: 1rem;
      margin-top: 1rem;
    }

    .custom-alias-input {
      flex: 1;
      padding: 0.75rem;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(2, 6, 23, 0.7);
      color: var(--light);
      border-radius: 0.5rem;
      font-size: 0.9rem;
    }

    /* Result Section */
    .result-container {
      margin-top: 2rem;
      opacity: 0;
      height: 0;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .result-container.active {
      opacity: 1;
      height: auto;
    }

    .result-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 1rem;
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .result-title {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--light);
    }

    .result-url {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .short-url {
      flex: 1;
      padding: 0.75rem 1rem;
      background: rgba(2, 6, 23, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 0.5rem;
      color: var(--success);
      font-family: monospace;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .copy-button {
      background: var(--primary);
      color: white;
      padding: 0.75rem 1.5rem;
      border: none;
      border-radius: 0.5rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s;
    }

    .copy-button:hover {
      background: var(--primary-hover);
    }

    .copy-button.copied {
      background: var(--success);
    }

    .stats {
      display: flex;
      gap: 1rem;
      margin-top: 0.5rem;
    }

    .stat-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.9rem;
      color: var(--gray);
    }

    /* Features Section */
    .features {
      padding: 1rem 0;
    }

    .section-title {
      text-align: center;
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 3rem;
      position: relative;
    }

    .section-title::after {
      content: '';
      position: absolute;
      bottom: -1rem;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background: var(--primary);
      border-radius: 2px;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
    }

    .feature-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 1rem;
      padding: 2rem;
      transition: all 0.3s;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
    }

    .feature-icon {
      font-size: 2.5rem !important;
      color: var(--primary);
      margin-bottom: 1.5rem;
      text-align: center;
    }

    .feature-title {
      font-size: 1.25rem;
      font-weight: 600;
      margin-bottom: 1rem;
      text-align: center;
    }

    .feature-description {
      color: var(--gray);
    }

    /* CTA Section */
    .cta-section {
      padding: 5rem 0;
      text-align: center;
      background: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.7));
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
      z-index: -1;
    }

    .cta-title {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
    }

    .cta-description {
      font-size: 1.25rem;
      color: var(--gray);
      max-width: 700px;
      margin: 0 auto 2.5rem;
    }

    /* Footer */
    footer {
      background: var(--dark);
      padding: 3rem 0 1.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 2rem;
      margin-bottom: 2rem;
    }

    .footer-column h3 {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 1.25rem;
      color: var(--light);
    }

    .footer-links {
      list-style: none;
    }

    .footer-link {
      margin-bottom: 0.75rem;
    }

    .footer-link a {
      color: var(--gray);
      text-decoration: none;
      transition: color 0.3s;
    }

    .footer-link a:hover {
      color: var(--light);
    }

    .social-links {
      display: flex;
      gap: 1rem;
    }

    .social-link {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.05);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gray);
      transition: all 0.3s;
    }

    .social-link:hover {
      background: var(--primary);
      color: white;
      transform: translateY(-3px);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      color: var(--gray);
      font-size: 0.9rem;
    }

    /* Animations */
    @keyframes float {

      0%,
      100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-10px);
      }
    }

    .floating {
      animation: float 6s ease-in-out infinite;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.5rem;
      }

      .hero-subtitle {
        font-size: 1.1rem;
      }

      .form-group {
        flex-direction: column;
      }

      .submit-button {
        width: 100%;
        padding: 1rem;
      }

      .custom-alias-group {
        flex-direction: column;
      }
    }

    /* Dark mode toggle (optional) */
    .dark-mode-toggle {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      z-index: 100;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .history-suggestion {
  margin-top: 1.5rem;
  text-align: center;
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid #ddd;
}

.history-text {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: #333;
}

.history-button {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background-color: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.history-button:hover {
  background-color: #0056b3;
}


.section-title::after{
  left: 25px !important;
  margin-bottom: 10px;
}

html.dark .dataTables_wrapper .dataTables_filter input, html.dark .dataTables_wrapper .dataTables_length select {
  color: #fff !important;
}

