:root { --checkout-ink: #18202b; --checkout-muted: #667180; --checkout-line: #dfe3e8; }
.checkout-modal { position: fixed; inset: 0; z-index: 9999; display: none; place-items: center; padding: 20px; font-family: "DM Sans", system-ui, sans-serif; }
.checkout-modal.is-open { display: grid; }
.checkout-backdrop { position: absolute; inset: 0; background: rgba(18, 20, 24, .66); backdrop-filter: blur(8px); }
.checkout-dialog { position: relative; width: min(1060px, 100%); max-height: calc(100vh - 40px); overflow: auto; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); background: #fff; border-radius: 26px; box-shadow: 0 30px 100px rgba(0,0,0,.3); color: var(--checkout-ink); }
.checkout-close { position: absolute; z-index: 3; right: 18px; top: 16px; width: 36px; height: 36px; border: 0; border-radius: 50%; background: #f0f2f4; color: #697382; font-size: 27px; line-height: 1; cursor: pointer; }
.checkout-form-column { padding: 34px 38px 28px; }
.checkout-form-column h2 { margin: 0; font: 700 28px/1.1 "Space Grotesk", sans-serif; letter-spacing: -.025em; }
.checkout-intro { max-width: 500px; margin: 9px 0 24px; color: var(--checkout-muted); font-size: 14px; line-height: 1.45; }
#checkout-form { display: grid; gap: 9px; }
#checkout-form label { margin-top: 3px; font-weight: 600; font-size: 13px; }
#checkout-form input { width: 100%; box-sizing: border-box; height: 50px; border: 1px solid var(--checkout-line); border-radius: 10px; padding: 0 14px; font: inherit; color: var(--checkout-ink); outline: none; box-shadow: 0 2px 5px rgba(15,23,42,.04); }
#checkout-form input:focus { border-color: #7a62b8; box-shadow: 0 0 0 3px rgba(122,98,184,.12); }
.payment-element { min-height: 120px; border: 1px solid var(--checkout-line); border-radius: 12px; padding: 12px; }
.payment-placeholder { display: grid; place-items: center; min-height: 94px; padding: 12px; text-align: center; color: var(--checkout-muted); font-size: 13px; background: #fafbfc; border-radius: 8px; }
.checkout-submit { width: 100%; min-height: 52px; margin-top: 4px; border: 0; border-radius: 999px; background: #050505; color: #fff; font: 700 14px/1 "Space Grotesk", sans-serif; cursor: pointer; transition: transform .2s, opacity .2s; }
.checkout-submit:hover { transform: translateY(-1px); }
.checkout-submit:disabled { opacity: .55; cursor: wait; transform: none; }
.checkout-spinner { display: none; width: 17px; height: 17px; margin: auto; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: checkout-spin .7s linear infinite; }
.checkout-submit.is-loading .checkout-submit-label { display: none; }
.checkout-submit.is-loading .checkout-spinner { display: block; }
@keyframes checkout-spin { to { transform: rotate(360deg); } }
.checkout-message { min-height: 18px; color: #b42318; font-size: 13px; }
.checkout-secured { margin-top: 12px; text-align: center; color: #7a8490; font-size: 12px; }
.checkout-summary { margin: 22px; padding: 30px 28px 22px; border: 1px solid #dfe3e8; border-radius: 22px; background: #f7f8fa; }
.summary-label { margin: 0 0 12px; color: #778291; font: 700 12px/1 ui-monospace, monospace; letter-spacing: .04em; }
.checkout-summary h3 { margin: 0; font: 700 24px/1.15 "Space Grotesk", sans-serif; }
.checkout-summary > p:not(.summary-label):not(.summary-delivery) { color: var(--checkout-muted); font-size: 13px; }
.summary-total { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 20px 0; padding: 20px; border-radius: 16px; background: #fff; box-shadow: 0 6px 18px rgba(15,23,42,.04); }
.summary-total span, .summary-total small { display: block; color: #7a8490; font-size: 12px; }
.summary-total small { margin-top: 4px; font-size: 10px; }
.summary-total > strong { font: 700 30px/1 "Space Grotesk", sans-serif; }
.summary-features { display: grid; gap: 13px; margin: 18px 0 24px; padding: 0; list-style: none; font-size: 13px; }
.summary-features li::before { content: "✓"; display: inline-grid; place-items: center; width: 18px; height: 18px; margin-right: 10px; border-radius: 50%; background: #d9f5ee; color: #39b890; font-weight: 700; }
.summary-trust { display: grid; gap: 16px; padding: 20px; border-radius: 16px; background: #fff; }
.summary-trust > div { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; }
.summary-trust p { margin: 0; font-size: 12px; }
.summary-trust strong, .summary-trust small { display: block; }
.summary-trust small { margin-top: 3px; color: #89929e; font-size: 10px; }
.summary-delivery { margin: 20px 0 0; color: #89929e; font-size: 11px; }
.checkout-success { display: grid; place-items: center; min-height: 520px; text-align: center; }
.checkout-success p { max-width: 460px; color: var(--checkout-muted); line-height: 1.55; }
.success-check { display: grid; place-items: center; width: 68px; height: 68px; border-radius: 50%; background: #d9f5ee; color: #21966f; font-size: 34px; }
.success-order { font-size: 13px; }
body.checkout-locked { overflow: hidden; }
@media (max-width: 760px) {
  .checkout-modal { padding: 0; }
  .checkout-dialog { width: 100%; height: 100%; max-height: none; border-radius: 0; grid-template-columns: 1fr; }
  .checkout-form-column { padding: 28px 20px 24px; }
  .checkout-summary { margin: 0 16px 20px; }
  .checkout-close { position: fixed; }
}