:root {
      --primary-color: #00f6ff;
      --secondary-color: #7c3aed;
      --dark-bg: #0a0a0f;
      --card-bg: #1a1a2e;
      --text-color: #e0e0e0;
      --success: #00ff99;
      --danger: #ff3366;
    }

    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background-color: var(--dark-bg);
      color: var(--text-color);
    }

    .dashboard-container {
      display: flex;
      min-height: 100vh;
    }

    .sidebar {
      width: 250px;
      background: #0f0f1c;
      padding: 1.5rem;
      border-right: 1px solid #2a2a40;
    }

    .logo {
      font-size: 1.5rem;
      margin-bottom: 2rem;
      color: var(--primary-color);
    }

    .sidebar nav ul {
      list-style: none;
      padding: 0;
    }

    .sidebar nav li {
      padding: 0.75rem 1rem;
      margin-bottom: 0.5rem;
      border-radius: 8px;
      cursor: pointer;
    }

    .sidebar nav li.active {
      background: var(--primary-color);
      color: #000;
      font-weight: bold;
    }

    .social-proof {
      margin-top: auto;
      font-size: 0.85rem;
      color: #aaa;
    }

    .main-content {
      flex: 1;
      padding: 1.5rem;
      overflow-y: auto;
    }

    .header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 2rem;
    }

    .cta-container {
      display: flex;
      gap: 1rem;
    }

    .time-savings {
      background: rgba(124, 58, 237, 0.2);
      padding: 0.5rem 1rem;
      border-radius: 20px;
      font-size: 0.85rem;
    }

    .demo-cta {
      background: var(--secondary-color);
      color: white;
      border: none;
      padding: 0.6rem 1.2rem;
      border-radius: 20px;
      cursor: pointer;
      transition: background 0.3s;
    }

    .demo-cta:hover {
      background: #9333ea;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.5rem;
      margin-bottom: 2rem;
    }

    .metric-card {
      background: var(--card-bg);
      padding: 1.5rem;
      border-radius: 12px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s;
    }

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

    .metric-card h2 {
      color: var(--primary-color);
      margin-top: 0;
    }

    .value {
      font-size: 2rem;
      font-weight: bold;
      margin: 0.5rem 0;
    }

    .trend {
      font-size: 0.9rem;
      color: var(--success);
    }

    .campaign-card .campaign-name {
      font-size: 1.2rem;
      margin: 0.5rem 0;
    }

    .campaign-card .performance {
      color: #aaa;
    }

    .campaign-card .status {
      margin-top: 0.5rem;
      color: var(--success);
      font-weight: bold;
    }

    .predictive-card .recommendation {
      background: rgba(124, 58, 237, 0.1);
      padding: 1rem;
      border-radius: 8px;
    }

    .predictive-card .confidence {
      margin-top: 0.5rem;
      font-size: 0.85rem;
      color: #aaa;
    }

    .visualization-section {
      background: var(--card-bg);
      padding: 1.5rem;
      border-radius: 12px;
    }

    .heatmap-container {
      height: 300px;
      margin-top: 1rem;
    }

    /* Mobile Styles */
    .mobile-nav {
      display: none;
      position: fixed;
      bottom: 0;
      width: 100%;
      background: #0f0f1c;
      border-top: 1px solid #2a2a40;
    }

    .mobile-nav ul {
      display: flex;
      justify-content: space-around;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    @media (max-width: 768px) {
      .dashboard-container {
        flex-direction: column;
      }

      .sidebar {
        display: none;
      }

      .main-content {
        padding: 1rem;
      }

      .mobile-nav {
        display: block;
      }
    }