.payment-open { overflow: hidden; }
.payment-modal[hidden] { display: none; }
.payment-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 22px; font-family: Inter, Arial, sans-serif; }
.payment-backdrop { position: absolute; inset: 0; background: rgba(3, 6, 14, .76); backdrop-filter: blur(18px); animation: pay-fade .25s ease both; }
.payment-sheet { position: relative; width: min(780px, 100%); max-height: calc(100vh - 44px); overflow: auto; padding: 30px; border: 1px solid rgba(157, 171, 202, .28); border-radius: 26px; color: #f7f8fb; background: radial-gradient(circle at 90% 0, rgba(65, 245, 207, .11), transparent 30%), linear-gradient(145deg, #121520, #090b12 72%); box-shadow: 0 35px 100px rgba(0,0,0,.52); animation: pay-rise .38s cubic-bezier(.2,.8,.2,1) both; }
.payment-close { position: absolute; top: 18px; right: 18px; width: 38px; height: 38px; border: 1px solid #2b3040; border-radius: 50%; color: #fff; background: #171b26; font-size: 23px; cursor: pointer; }
.payment-brand { display: flex; align-items: center; gap: 12px; }
.payment-brand > span { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 14px; color: #04130f; background: #31e3b0; font-size: 25px; font-weight: 900; box-shadow: 0 0 30px rgba(49,227,176,.22); }
.payment-brand b,.payment-brand small { display: block; }.payment-brand b { font-size: 14px; }.payment-brand small { margin-top: 3px; color: #9299aa; font-size: 11px; }
.payment-heading { margin: 28px 0 22px; }.payment-step { color: #31e3b0; font: 700 10px/1 ui-monospace,monospace; letter-spacing: .18em; }.payment-heading h2 { margin: 9px 0 7px; color: #fff; font-size: clamp(26px,4vw,38px); letter-spacing: -.04em; }.payment-heading p { max-width: 590px; margin: 0; color: #a2a8b6; font-size: 13px; line-height: 1.6; }
.payment-layout { display: grid; grid-template-columns: 190px 1fr; gap: 20px; }.payment-qr-wrap { min-height: 190px; display: grid; place-items: center; padding: 14px; border: 1px solid #2b3040; border-radius: 20px; background: #fff; }.payment-qr-wrap img { width: 100%; height: auto; }.payment-qr-wrap div { color: #141821; font-size: 30px; font-weight: 900; }
.payment-details { display: grid; gap: 9px; }.payment-field { min-width: 0; padding: 13px 15px; border: 1px solid #272c39; border-radius: 14px; background: rgba(255,255,255,.025); }.payment-field > span { display: block; margin-bottom: 7px; color: #81899a; font-size: 10px; text-transform: uppercase; letter-spacing: .11em; }.payment-field > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; }.payment-field strong,.payment-field code { overflow-wrap: anywhere; color: #fff; font: 700 13px/1.45 ui-monospace,monospace; }.payment-field:first-child strong { color: #65f1ca; font-size: 19px; }.payment-field button { flex: 0 0 auto; border: 0; color: #76e8ff; background: none; font-size: 11px; font-weight: 800; cursor: pointer; }
.payment-status { display: flex; align-items: center; gap: 13px; margin-top: 20px; padding: 15px 17px; border: 1px solid #293143; border-radius: 15px; background: #141925; }.payment-status i { width: 11px; height: 11px; flex: 0 0 auto; border: 2px solid #31e3b0; border-top-color: transparent; border-radius: 50%; animation: pay-spin .8s linear infinite; }.payment-status strong,.payment-status span { display: block; }.payment-status strong { font-size: 13px; }.payment-status span { margin-top: 3px; color: #8d95a5; font-size: 11px; }.payment-status.paid { border-color: rgba(49,227,176,.4); background: rgba(49,227,176,.08); }.payment-status.paid i { border: 0; border-radius: 50%; background: #31e3b0; animation: none; }.payment-status.failed { border-color: rgba(255,84,111,.35); }.payment-status.failed i { border-color: #ff546f; animation: none; }.payment-status.warning i { border-color: #ffc45e; border-top-color: transparent; }
.payment-security { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 18px; color: #7e8798; font-size: 10px; }.payment-security span::first-letter { color: #31e3b0; }
@keyframes pay-spin { to { transform: rotate(360deg); } } @keyframes pay-fade { from { opacity: 0; } } @keyframes pay-rise { from { opacity: 0; transform: translateY(24px) scale(.98); } }
@media (max-width: 640px) { .payment-modal { padding: 10px; align-items: end; }.payment-sheet { max-height: calc(100vh - 10px); padding: 24px 18px; border-radius: 24px 24px 10px 10px; }.payment-layout { grid-template-columns: 1fr; }.payment-qr-wrap { width: 155px; min-height: 155px; margin: 0 auto; }.payment-security { display: grid; gap: 7px; } }
@media (prefers-reduced-motion: reduce) { .payment-backdrop,.payment-sheet,.payment-status i { animation: none; } }