:root{--c-primary: #1d4ed8;--c-primary-600: #1e40af;--c-primary-700: #1e3a8a;--c-primary-50: #eff6ff;--c-primary-100: #dbeafe;--c-primary-200: #bfdbfe;--c-text: #0f172a;--c-text-soft: #475569;--c-text-muted: #64748b;--c-bg: #f4f7fc;--c-surface: #ffffff;--c-border: #e2e8f0;--c-border-strong: #cbd5e1;--c-ok: #15803d;--c-ok-bg: #f0fdf4;--c-ok-border: #86efac;--c-no: #b91c1c;--c-no-bg: #fef2f2;--c-no-border: #fca5a5;--c-err: #92400e;--c-err-bg: #fffbeb;--c-err-border: #fcd34d;--c-warn: #b45309;--c-warn-bg: #fffbeb;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 8px 24px rgba(15, 23, 42, .08);--shadow-lg: 0 20px 48px rgba(15, 23, 42, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{font-family:var(--font);background:var(--c-bg);color:var(--c-text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(1200px 480px at 100% -10%,var(--c-primary-100) 0%,transparent 60%),radial-gradient(900px 420px at -10% 0%,var(--c-primary-50) 0%,transparent 55%),var(--c-bg)}.app-header{background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-700) 100%);color:#fff;padding:22px 20px;box-shadow:var(--shadow-md)}.app-header__inner{max-width:720px;margin:0 auto;display:flex;align-items:center;gap:16px}.app-header__icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#ffffff24;border:1px solid rgba(255,255,255,.22);color:#fff;flex-shrink:0;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.app-header__title{margin:0;font-size:20px;font-weight:700;letter-spacing:.04em;line-height:1.2}.app-header__subtitle{margin:2px 0 0;font-size:12px;font-weight:500;letter-spacing:.22em;opacity:.85}.app-main{flex:1;padding:36px 20px 48px;display:flex;justify-content:center}.app-card{width:100%;max-width:520px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:28px 28px 32px}.app-card__heading{margin-bottom:20px}.app-card__title{margin:0;font-size:22px;font-weight:700;color:var(--c-text)}.app-card__text{margin:6px 0 0;font-size:14px;color:var(--c-text-soft)}.gateway-indicator{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--c-primary-50);border:1px solid var(--c-primary-200);border-radius:var(--radius-md);margin-bottom:24px;flex-wrap:wrap}.gateway-row{display:flex;flex-direction:column;gap:2px;min-width:0}.gateway-label{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--c-text-muted)}.gateway-value{font-size:14px;font-weight:600;color:var(--c-primary-700);display:inline-flex;align-items:center;gap:8px}.gateway-divider{width:1px;align-self:stretch;background:var(--c-primary-200)}.gateway-dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex-shrink:0}.gateway-dot--ok{background:#22c55e;box-shadow:0 0 0 3px #22c55e2e}.gateway-dot--warn{background:#f59e0b;box-shadow:0 0 0 3px #f59e0b2e}.gateway-msg{flex-basis:100%;margin:4px 0 0;font-size:12px;color:var(--c-text-muted)}.payment-form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;font-weight:600;color:var(--c-text-soft)}.field input{width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--c-text);background:#fff;border:1px solid var(--c-border-strong);border-radius:var(--radius-sm);transition:border-color .15s,box-shadow .15s}.field input::-moz-placeholder{color:#94a3b8}.field input::placeholder{color:#94a3b8}.field input:focus,.field select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px #1d4ed826}.installments-select{width:100%;padding:12px 40px 12px 14px;font-size:15px;font-family:inherit;color:var(--c-text);background:#fff;border:1px solid var(--c-border-strong);border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.field--error input{border-color:var(--c-no);box-shadow:0 0 0 3px #b91c1c1f}.field__err{font-size:12px;color:var(--c-no);font-weight:500}.installment-options{display:flex;gap:10px;margin-top:8px}.installment-btn{flex:1;padding:12px 8px;font-size:14px;font-weight:600;border:2px solid var(--c-border);border-radius:var(--radius-sm);background:var(--c-surface);color:var(--c-text-muted);cursor:pointer;transition:all .15s ease}.installment-btn:hover{border-color:var(--c-primary-400);color:var(--c-primary-700)}.installment-btn--active{border-color:var(--c-primary);background:var(--c-primary-50);color:var(--c-primary-700)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.pay-btn{margin-top:6px;width:100%;padding:14px 16px;font-size:15px;font-weight:700;letter-spacing:.03em;color:#fff;background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-600) 100%);border:none;border-radius:var(--radius-sm);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:transform .08s,box-shadow .2s,background .2s,opacity .2s;box-shadow:0 6px 18px #1d4ed847}.pay-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 24px #1d4ed857}.pay-btn:active:not(:disabled){transform:translateY(0)}.pay-btn:disabled{cursor:not-allowed;opacity:.7;box-shadow:none}.pay-btn__spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-wrap{margin-top:24px;animation:fadeUp .25s ease}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.result-card{border-radius:var(--radius-md);padding:18px 20px;border:1px solid transparent}.result-card--approved{background:var(--c-ok-bg);border-color:var(--c-ok-border)}.result-card--declined{background:var(--c-no-bg);border-color:var(--c-no-border)}.result-card--error{background:var(--c-err-bg);border-color:var(--c-err-border)}.result-card__head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.result-card__badge{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;flex-shrink:0}.result-card__badge--ok{background:#dcfce7;color:var(--c-ok)}.result-card__badge--no{background:#fee2e2;color:var(--c-no)}.result-card__badge--err{background:#fef3c7;color:var(--c-err)}.result-card__title{margin:0;font-size:16px;font-weight:700;letter-spacing:.04em}.result-card--approved .result-card__title{color:var(--c-ok)}.result-card--declined .result-card__title{color:var(--c-no)}.result-card--error .result-card__title{color:var(--c-err)}.result-card__body{display:flex;flex-direction:column;gap:8px}.result-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;font-size:14px;padding:6px 0;border-bottom:1px dashed rgba(15,23,42,.08)}.result-row:last-child{border-bottom:none}.result-row__label{color:var(--c-text-muted);font-weight:500;flex-shrink:0}.result-row__value{color:var(--c-text);font-weight:600;text-align:right;word-break:break-word}.result-card__error-text{margin:0;font-size:14px;color:var(--c-err);line-height:1.5}.raw-json-wrap{margin-top:14px}.raw-json-toggle{background:none;border:none;color:var(--c-primary-700);font-size:13px;font-weight:600;cursor:pointer;padding:4px 0;text-decoration:underline;text-underline-offset:2px}.raw-json-toggle:hover{color:var(--c-primary-800)}.raw-json-pre{margin:10px 0 0;padding:12px 14px;background:#0f172a0a;border:1px solid rgba(15,23,42,.1);border-radius:var(--radius-sm);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;line-height:1.5;color:var(--c-text);white-space:pre-wrap;word-break:break-word;max-height:320px;overflow-y:auto}.card-brands{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:4px}.card-brands__item{display:inline-flex;align-items:center;justify-content:center;height:32px;padding:0 14px;border-radius:6px;font-size:13px;font-weight:800;letter-spacing:.06em;color:#fff;position:relative;-webkit-user-select:none;-moz-user-select:none;user-select:none}.card-brands__item--visa{background:linear-gradient(135deg,#1a1f71,#2546a8);font-style:italic;font-size:14px}.card-brands__item--master{background:#1a1a1a;width:52px;padding:0}.card-brands__mc-left,.card-brands__mc-right{position:absolute;width:18px;height:18px;border-radius:50%;top:50%;transform:translateY(-50%)}.card-brands__mc-left{background:#eb001b;left:8px;z-index:1}.card-brands__mc-right{background:#f79e1b;right:8px;z-index:1;mix-blend-mode:screen}.card-brands__item--elo{background:linear-gradient(135deg,#000,#2a2a2a);font-size:12px;letter-spacing:.1em}.app-footer{background:var(--c-surface);border-top:1px solid var(--c-border);padding:22px 20px 28px;text-align:center}.app-footer__inner{max-width:720px;margin:0 auto}.app-footer__seals{display:flex;align-items:center;justify-content:center;gap:24px;margin-bottom:14px;flex-wrap:wrap}.app-footer__seal{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--c-text-soft)}.app-footer__seal svg{color:var(--c-ok);flex-shrink:0}.app-footer__line{margin:0;font-size:13px;color:var(--c-text-muted)}.app-footer__brand{margin:8px 0 0;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-primary-700)}@media (max-width: 560px){.app-header__title{font-size:18px}.app-header__subtitle{font-size:11px}.app-card{padding:22px 18px 26px}.field-row{grid-template-columns:1fr;gap:16px}.gateway-divider{display:none}.gateway-indicator{gap:10px 18px}.gateway-row{flex:1 1 40%}.result-row{flex-direction:column;gap:2px;align-items:flex-start}.result-row__value{text-align:left}}