.checkout-container {
      max-width: 600px;
      margin: 0 auto;
      padding: 3rem 1.5rem;
    }

    .checkout-hero {
      text-align: center;
      margin-bottom: 2.5rem;
    }

    .checkout-hero h1 {
      font-size: 2rem;
      margin-bottom: 0.5rem;
      background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .checkout-hero p {
      color: var(--text-muted);
      font-size: 1rem;
    }

    /* Auth prompt */
    .checkout-auth {
      text-align: center;
      padding: 2rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
    }

    .checkout-auth p {
      color: var(--text-muted);
      margin: 0 0 1rem;
    }

    .checkout-auth .btn-connect {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.75rem 1.5rem;
      background: linear-gradient(135deg, rgba(0, 245, 255, 0.15), rgba(191, 0, 255, 0.1));
      border: 1px solid rgba(0, 245, 255, 0.3);
      border-radius: 8px;
      color: #00f5ff;
      font-weight: 600;
      cursor: pointer;
      font-size: 0.9rem;
      transition: all 0.2s;
    }

    .checkout-auth .btn-connect:hover {
      border-color: rgba(0, 245, 255, 0.6);
      box-shadow: 0 0 15px rgba(0, 245, 255, 0.2);
    }

    .checkout-auth .btn-connect:disabled {
      opacity: 0.6;
      cursor: wait;
    }

    .checkout-auth .btn-nostr {
      background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(99, 102, 241, 0.1));
      border: 1px solid rgba(168, 85, 247, 0.3);
      color: #c084fc;
    }

    .checkout-auth .btn-nostr:hover {
      border-color: rgba(168, 85, 247, 0.6);
      box-shadow: 0 0 15px rgba(168, 85, 247, 0.2);
    }

    .email-signin-form {
      display: flex;
      gap: 0.5rem;
      justify-content: center;
      margin-bottom: 0.75rem;
    }

    .email-signin-input {
      background: rgba(148, 163, 184, 0.1);
      border: 1px solid var(--border);
      color: var(--text);
      padding: 0.6rem 1rem;
      border-radius: 8px;
      font-size: 0.9rem;
      width: 220px;
    }

    .email-signin-input::placeholder {
      color: var(--text-muted);
    }

    .auth-hint {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin: 0 0 1rem;
    }

    .auth-divider {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin: 1rem 0;
      color: var(--text-muted);
      font-size: 0.8rem;
    }

    .auth-divider::before,
    .auth-divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--border);
    }

    /* Plans */
    .checkout-plans {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
      margin-bottom: 2rem;
    }

    .plan-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.5rem;
      text-align: center;
      transition: all 0.3s;
    }

    .plan-card:hover {
      border-color: rgba(168, 85, 247, 0.4);
    }

    .plan-card.recommended {
      border-color: rgba(168, 85, 247, 0.5);
      position: relative;
    }

    .plan-card.recommended::before {
      content: 'Best Value';
      position: absolute;
      top: -0.6rem;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, #a855f7, #7c3aed);
      color: #fff;
      font-size: 0.65rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      padding: 0.2rem 0.6rem;
      border-radius: 4px;
    }

    .plan-name {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 0.75rem;
    }

    .plan-price {
      font-size: 2rem;
      font-weight: 700;
      color: #c084fc;
      margin-bottom: 0.25rem;
    }

    .plan-interval {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 1rem;
    }

    .plan-savings {
      font-size: 0.75rem;
      color: #4ade80;
      margin-bottom: 1rem;
    }

    .btn-plan {
      width: 100%;
      padding: 0.7rem 1rem;
      background: linear-gradient(135deg, #a855f7, #7c3aed);
      color: #fff;
      border: none;
      border-radius: 8px;
      font-weight: 700;
      cursor: pointer;
      font-size: 0.9rem;
      transition: all 0.2s;
    }

    .btn-plan:hover {
      transform: translateY(-1px);
      box-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
    }

    .btn-plan:disabled {
      opacity: 0.6;
      cursor: wait;
    }

    /* Access code */
    .checkout-code {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.5rem;
      text-align: center;
      margin-bottom: 2rem;
    }

    .checkout-code h3 {
      color: var(--text);
      font-size: 1rem;
      margin: 0 0 0.75rem;
    }

    .code-form {
      display: flex;
      gap: 0.5rem;
      justify-content: center;
    }

    .code-input {
      background: rgba(148, 163, 184, 0.1);
      border: 1px solid var(--border);
      color: var(--text);
      padding: 0.6rem 1rem;
      border-radius: 8px;
      font-size: 0.9rem;
      width: 180px;
      text-align: center;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .code-input::placeholder {
      text-transform: none;
      letter-spacing: normal;
      color: var(--text-muted);
    }

    .btn-redeem {
      padding: 0.6rem 1.25rem;
      background: rgba(168, 85, 247, 0.15);
      border: 1px solid rgba(168, 85, 247, 0.3);
      color: #c084fc;
      border-radius: 8px;
      cursor: pointer;
      font-weight: 600;
      font-size: 0.85rem;
      transition: all 0.2s;
    }

    .btn-redeem:hover {
      background: rgba(168, 85, 247, 0.25);
    }

    .btn-redeem:disabled {
      opacity: 0.6;
      cursor: wait;
    }

    /* Active subscription */
    .checkout-active {
      text-align: center;
      padding: 2rem;
      background: var(--bg-card);
      border: 1px solid rgba(34, 197, 94, 0.3);
      border-radius: 12px;
    }

    .checkout-active-icon {
      font-size: 2.5rem;
      margin-bottom: 0.75rem;
    }

    .checkout-active h3 {
      color: #4ade80;
      font-size: 1.25rem;
      margin: 0 0 0.5rem;
    }

    .checkout-active p {
      color: var(--text-muted);
      font-size: 0.9rem;
      margin: 0 0 1rem;
    }

    .btn-manage {
      padding: 0.6rem 1.5rem;
      background: rgba(34, 197, 94, 0.15);
      border: 1px solid rgba(34, 197, 94, 0.3);
      color: #4ade80;
      border-radius: 8px;
      cursor: pointer;
      font-weight: 600;
      font-size: 0.85rem;
      transition: all 0.2s;
    }

    .btn-manage:hover {
      background: rgba(34, 197, 94, 0.25);
    }

    /* Features list */
    .checkout-features {
      margin: 2rem 0;
    }

    .checkout-features h3 {
      color: var(--text);
      font-size: 1rem;
      text-align: center;
      margin-bottom: 1rem;
    }

    .features-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .features-list li {
      color: var(--text-muted);
      font-size: 0.9rem;
      padding: 0.5rem 0;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .features-list li::before {
      content: '\2713';
      color: #4ade80;
      font-weight: 700;
      flex-shrink: 0;
    }

    /* Back link */
    .checkout-back {
      text-align: center;
      margin-top: 2rem;
    }

    .checkout-back a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.875rem;
      transition: color 0.2s;
    }

    .checkout-back a:hover {
      color: var(--text);
    }

    /* Toast */
    .toast-container {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      z-index: 1020;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .toast {
      padding: 0.75rem 1.25rem;
      border-radius: 8px;
      font-size: 0.875rem;
      color: var(--text);
      animation: toast-in 0.3s ease;
      max-width: 400px;
    }

    .toast.error {
      background: rgba(239, 68, 68, 0.2);
      border: 1px solid rgba(239, 68, 68, 0.4);
    }

    .toast.success {
      background: rgba(34, 197, 94, 0.2);
      border: 1px solid rgba(34, 197, 94, 0.4);
    }

    @keyframes toast-in {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @media (max-width: 640px) {
      .checkout-plans {
        grid-template-columns: 1fr;
      }

      .checkout-hero h1 {
        font-size: 1.6rem;
      }

      .code-form {
        flex-direction: column;
        align-items: center;
      }
    }