:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#e5e7eb;background:radial-gradient(circle at 20% 20%,#152238 0%,#0b1220 40%,#070b14 100%)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 20%,#152238 0%,#0b1220 40%,#070b14 100%)}.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:30px 24px}.card{width:100%;max-width:980px;border-radius:20px;padding:30px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card.modern{background:linear-gradient(165deg,rgba(17,24,39,.92),rgba(15,23,42,.95));border:1px solid rgba(148,163,184,.18);box-shadow:0 20px 60px #00000073}.card h1{margin:0 0 12px;font-size:38px;line-height:1.1;color:#f8fafc}.title-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px}.title-amount{color:#f8fafc;font-size:30px;font-weight:800;line-height:1;white-space:nowrap}.subtitle{margin:0 0 16px;color:#cbd5e1;line-height:1.5;font-size:22px;max-width:900px}.bank-row{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}.bank-pill{display:inline-flex;align-items:center;gap:9px;border:1px solid rgba(148,163,184,.25);border-radius:999px;padding:8px 12px;background:rgba(15,23,42,.7)}.bank-pill img{width:20px;height:20px}.bank-pill span{color:#f1f5f9;font-size:15px;font-weight:600}.bank-choice{margin-bottom:20px}.bank-row-select{gap:16px}.bank-select-btn{flex:1;min-width:140px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 20px;border-radius:16px;border:1px solid rgba(148,163,184,.35);background:rgba(30,41,59,.85);color:#f1f5f9;font-size:17px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s}.bank-select-btn:hover:not(:disabled){background:rgba(51,65,85,.95);border-color:#e2e8f059}.bank-select-btn:disabled{opacity:.45;cursor:not-allowed}.bank-select-btn 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#0f172a3d}.qr-save-fab:hover{background:rgba(37,99,235,.92)}.actions{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-block;background:linear-gradient(135deg,#2563eb,#3b82f6);color:#f8fafc;text-decoration:none;border-radius:14px;padding:11px 16px;border:0;cursor:pointer;font-weight:650;font-size:15px}.btn.btn-secondary{background:rgba(15,23,42,.8);border:1px solid rgba(148,163,184,.35)}.state{margin-top:16px;color:#e2e8f0;font-size:15px}.state.error{color:#fecaca}.loader-wrap{margin-top:18px;padding:18px;border-radius:14px;border:1px solid rgba(148,163,184,.2);background:rgba(15,23,42,.35);display:flex;align-items:center;gap:10px}.spinner{width:18px;height:18px;border:2px solid rgba(148,163,184,.35);border-top-color:#22c55e;border-radius:50%;animation:spin .9s linear infinite}.state.success{color:#166534;font-weight:600}.result{margin-top:14px;border-radius:16px;border:1px solid transparent;padding:14px 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