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

    :root {
      --bg:       #0E0E1A;
      --nav:      #0A0A14;
      --card:     #16162A;
      --card2:    #1C1C32;
      --input:    #2A2A42;
      --accent:   #5B6CF9;
      --accent-h: #4555E8;
      --accent-g: rgba(91,108,249,0.12);
      --success:  #22C55E;
      --text:     #F1F1F1;
      --muted:    #9CA3AF;
      --border:   #2A2A42;
      --glow:     0 0 80px rgba(91,108,249,0.18);
    }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    .avatar {
      vertical-align: middle;
      width: 30px;
      height: 30px;
      border-radius: 50%;
    }
    /* ── Navbar ── */
    nav {
      background: var(--nav);
      border-bottom: 1px solid var(--border);
      padding: 0 40px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-left { display: flex; align-items: center; gap: 10px; }
    .nav-dot  { width: 26px; height: 26px; background: var(--accent); border-radius: 50%; }
    .nav-logo { font-size: 15px; font-weight: 800; color: var(--accent); }
    .nav-badge {
      font-size: 10px; background: var(--accent); color: white;
      padding: 2px 8px; border-radius: 20px; font-weight: 700;
    }

    /* ── Main ── */
    main {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 60px 24px;
      position: relative;
      overflow: hidden;
    }

    main::before {
      content: '';
      position: absolute;
      top: -100px; left: 50%;
      transform: translateX(-50%);
      width: 700px; height: 400px;
      background: radial-gradient(ellipse, rgba(34,197,94,0.1) 0%, transparent 70%);
      pointer-events: none;
    }

    .card {
      background: var(--card2);
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 56px 52px;
      max-width: 560px;
      width: 100%;
      text-align: center;
      box-shadow: var(--glow);
      position: relative;
      z-index: 1;
    }

    .success-icon {
      width: 72px; height: 72px;
      background: rgba(34,197,94,0.12);
      border: 2px solid var(--success);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 32px;
      margin: 0 auto 28px;
    }

    h1 {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .subtitle {
      font-size: 16px;
      color: var(--muted);
      line-height: 1.6;
      margin-bottom: 40px;
    }

    /* ── Steps ── */
    .steps {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 28px;
      margin-bottom: 32px;
      text-align: left;
    }

    .steps-title {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 1.2px;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 20px;
    }

    .step {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 18px;
    }

    .step:last-child { margin-bottom: 0; }

    .step-num {
      width: 28px; height: 28px;
      background: var(--accent);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 12px; font-weight: 800;
      flex-shrink: 0;
      margin-top: 1px;
    }

    .step-text { font-size: 14px; color: var(--muted); line-height: 1.6; }
    .step-text strong { color: var(--text); }

    /* ── Button ── */
    .btn-download {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      width: 100%;
      background: var(--accent);
      color: white;
      text-decoration: none;
      padding: 16px;
      border-radius: 12px;
      font-size: 16px;
      font-weight: 700;
      transition: all .2s;
      box-shadow: 0 4px 24px rgba(91,108,249,0.35);
      margin-bottom: 16px;
    }

    .btn-download:hover {
      background: var(--accent-h);
      transform: translateY(-1px);
      box-shadow: 0 8px 32px rgba(91,108,249,0.45);
    }

    .support-note {
      font-size: 13px;
      color: var(--muted);
    }

    .support-note a { color: var(--accent); text-decoration: none; }
    .support-note a:hover { text-decoration: underline; }

    /* ── Footer ── */
    footer {
      border-top: 1px solid var(--border);
      padding: 24px 40px;
      text-align: center;
      font-size: 12px;
      color: var(--muted);
    }