    body {
      margin: 0;
      padding: 0;
      background-color: #f5f5f5;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    }

h1 {
  background: #ffffff;
  margin: 0;
  padding: 16px 0;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  border-bottom: 1px solid #eee;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

    .card {
      background: #fff;
      border-radius: 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px;
      margin: 12px 15px;
      box-shadow: 0 3px 8px rgba(0,0,0,0.05);
    }

    .card-left {
      display: flex;
      align-items: center;
    }

    .icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      object-fit: cover;
      margin-right: 12px;
    }

    .text {
      display: flex;
      flex-direction: column;
    }

    .title {
      font-size: 16px;
      font-weight: 600;
    }

    .subtitle {
      font-size: 13px;
      color: #f33;
      margin-top: 4px;
    }

    .card-right {
      margin-left: auto;
    }

    .btn {
      background: linear-gradient(to right, #ff9966, #ff5e62);
      color: white;
      border: none;
      border-radius: 30px;
      padding: 10px 20px;
      font-size: 15px;
      font-weight: 500;
      text-decoration: none;
      white-space: nowrap;
      cursor: pointer;
      box-shadow: 0 2px 5px rgba(255, 94, 98, 0.4);
      transition: background 0.3s ease;
    }

    .btn:active {
      opacity: 0.85;
    }

    a.btn {
      display: inline-block;
    }
#toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  padding: 14px 22px;
  border-radius: 24px;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  z-index: 999;
  cursor: default;
  display: none;
  text-align: center;
  max-width: 80%;
}
#toast strong {
  color: #ffcc00;
}
  