:root {
      --bg: #0f172a;
      --fg: #e5e7eb;
      --accent: #38bdf8;
      --muted: #94a3b8;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: "Inter", system-ui, sans-serif;
      background: radial-gradient(1200px circle at top, #020617, var(--bg));
      color: var(--fg);
      overflow: hidden;
    }

    .container {
      text-align: center;
      padding: 3rem;
      max-width: 520px;
      animation: fadeInUp 0.8s ease forwards;
    }

    h1 {
      font-size: 2.2rem;
      margin-bottom: 0.5rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    p {
      color: var(--muted);
      margin-bottom: 2rem;
      line-height: 1.6;
    }

    a {
      color: var(--accent);
      font-weight: 600;
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    /* Loader */
    .loader {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      border: 3px solid rgba(255, 255, 255, 0.1);
      border-top-color: var(--accent);
      animation: spin 1s linear infinite;
      margin: 0 auto 2rem;
    }

    /* Progress bar */
    .progress {
      height: 4px;
      width: 100%;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 999px;
      overflow: hidden;
      margin-top: 2rem;
    }

    .progress span {
      display: block;
      height: 100%;
      width: 0%;
      background: linear-gradient(90deg, var(--accent), #22d3ee);
      animation: load 4s ease forwards;
    }

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

    @keyframes load {
      to {
        width: 100%;
      }
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(16px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }