body { display: flex; align-items: center; justify-content: center; min-height: 100svh; padding: 24px; }
    .card {
      position: relative; background: var(--glass-bg);
      backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
      border: 1px solid var(--glass-border); border-radius: 24px; padding: 52px 44px;
      width: 100%; max-width: 380px; text-align: center;
      box-shadow: 0 20px 60px rgba(0,0,0,.3);
      animation: fadeUp .5s cubic-bezier(.4,0,.2,1) both;
    }
    .icon-wrap {
      width: 60px; height: 60px; border-radius: 18px; margin: 0 auto 28px;
      background: linear-gradient(135deg, rgba(120,80,255,0.8), rgba(0,180,255,0.8));
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 8px 28px rgba(100,80,255,.35);
    }
    .icon-wrap svg { width: 28px; height: 28px; color: #fff; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
    h1 { font-size: 1.45rem; font-weight: 700; color: var(--text-primary); letter-spacing: -.5px; margin-bottom: 10px; }
    .sub { font-size: .88rem; color: var(--text-secondary); line-height: 1.55; margin-bottom: 36px; }
    .btn {
      display: inline-flex; align-items: center; gap: 10px;
      background: var(--text-primary); color: var(--body-bg);
      font-family: inherit; font-size: .92rem; font-weight: 600;
      padding: 14px 30px; border-radius: 50px; border: none; cursor: pointer;
      text-decoration: none; box-shadow: 0 4px 18px rgba(0,0,0,.25);
      transition: all .22s cubic-bezier(.34,1.56,.64,1);
    }
    .btn:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 8px 30px rgba(0,0,0,.35); }
    .btn:active { transform: scale(.97); }
    .btn svg { width: 20px; height: 20px; flex-shrink: 0; }
    .note { margin-top: 22px; font-size: .74rem; color: var(--text-secondary); }
    .back { margin-top: 28px; font-size: .8rem; }
    .back a { color: var(--text-secondary); text-decoration: none; transition: color .15s; }
    .back a:hover { color: var(--text-primary); }