/* checkout.html — extends style.css */

.checkout-main-wrap { padding: clamp(28px, 5vw, 40px) 0 clamp(48px, 7vw, 72px); }
.checkout-header { max-width: var(--max-read); margin: 0 auto clamp(20px, 3vw, 28px); }
.checkout-header h1 { font-size: clamp(26px, 4vw, 34px); font-weight: 700; letter-spacing: -0.025em; }
.checkout-header p { margin-top: 8px; font-size: 14.5px; color: var(--text-2); }

.checkout-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: start; }

.checkout-section {
  background: var(--surface); border-radius: var(--r-panel); box-shadow: var(--sh-panel);
  padding: clamp(20px, 3vw, 28px); margin-bottom: 20px;
}
.checkout-section h2 { font-size: 16px; font-weight: 650; letter-spacing: -0.01em; margin-bottom: 18px; }

.form-row-group { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.form-group .required { color: var(--heat); }
.form-control {
  width: 100%; height: 44px; padding: 0 14px; border-radius: var(--r-thumb);
  border: 1px solid rgba(0,0,0,0.1); background: var(--hover); font-size: 14.5px; color: var(--text);
  font-family: var(--font); transition: border-color .15s, background .15s;
}
.form-control:focus { outline: none; border-color: var(--accent); background: #fff; }

.stripe-card-wrapper {
  border: 1px solid rgba(0,0,0,0.1); border-radius: var(--r-thumb); padding: 14px; background: var(--hover); margin-bottom: 16px;
}
#payment-element { min-height: 22px; }

.payment-error-alert {
  margin-top: 10px; padding: 10px 14px; border-radius: var(--r-thumb);
  background: rgba(255,59,48,0.08); color: #c62828; font-size: 13px; font-weight: 550;
}

.checkout-disabled-notice {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: var(--r-thumb);
  background: var(--heat-bg); color: #9a4700; font-size: 13px; line-height: 1.55; margin-bottom: 16px;
}
.checkout-disabled-notice svg { flex-shrink: 0; color: var(--heat); margin-top: 1px; }

.btn-pay { position: relative; }
.btn-spinner {
  width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.order-summary-card {
  background: var(--surface); border-radius: var(--r-panel); box-shadow: var(--sh-panel); padding: clamp(20px, 3vw, 26px); position: sticky; top: 84px;
}
.order-summary-card h2 { font-size: 15.5px; font-weight: 650; margin-bottom: 16px; }
.summary-line-item { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 14px; }
.summary-course-info { display: flex; flex-direction: column; gap: 4px; }
.summary-course-name { font-size: 14.5px; font-weight: 600; letter-spacing: -0.005em; }
.summary-qty { font-size: 12px; color: var(--text-3); }
.summary-amount { font-size: 14.5px; font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; }
.summary-includes { font-size: 12px; color: var(--text-2); line-height: 1.6; margin-top: -6px; padding-bottom: 14px; }
.summary-includes span { font-weight: 650; color: var(--text); }
.summary-divider { border: none; border-top: 1px solid var(--hairline); margin: 4px 0 14px; }
.summary-row { display: flex; justify-content: space-between; font-size: 13.5px; color: var(--text-2); margin-bottom: 8px; }
.summary-row.summary-total { font-size: 16px; font-weight: 700; color: var(--text); margin-top: 10px; padding-top: 14px; border-top: 1px solid var(--hairline); }

.account-notice-callout {
  display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; padding: 14px; border-radius: var(--r-thumb);
  background: rgba(0,113,227,0.06); font-size: 12.5px; color: var(--text-2); line-height: 1.5;
}
.account-notice-callout svg { flex-shrink: 0; color: var(--accent); margin-top: 1px; }

/* Success view */
.success-view-card { max-width: var(--max-read); margin: 0 auto; text-align: center; background: var(--surface); border-radius: var(--r-hero); box-shadow: var(--sh-panel); padding: clamp(32px, 5vw, 48px); }
.success-icon-wrapper { width: 64px; height: 64px; border-radius: 50%; background: rgba(48,209,88,0.1); color: var(--live); display: flex; align-items: center; justify-content: center; margin: 0 auto; }
.success-view-card h2 { margin-top: 20px; font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.success-lead { margin-top: 10px; font-size: 14.5px; color: var(--text-2); }
.success-details-card { margin-top: 22px; background: var(--hover); border-radius: var(--r-thumb); padding: 16px; }
.success-detail-row { display: flex; justify-content: space-between; font-size: 13.5px; padding: 6px 0; }
.success-view-card .btn { margin-top: 22px; }

@media (max-width: 900px) {
  .checkout-grid { grid-template-columns: 1fr; }
  .order-summary-card { position: static; }
  .form-row-group { grid-template-columns: 1fr; }
}