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0 3px var(--accent-dim)}.model-label{font-size:.9rem;font-weight:600;color:var(--text)}.model-option.selected .model-label{color:var(--accent)}.model-desc{font-size:.8rem;color:var(--text-muted);line-height:1.5;padding-left:26px}.card-form{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;margin-top:16px}.card-form-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}@media (max-width: 480px){.card-form-row{grid-template-columns:1fr 1fr}}.checkout-layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start}@media (max-width: 768px){.checkout-layout{grid-template-columns:1fr}.checkout-summary{order:-1}}.checkout-summary{position:sticky;top:calc(var(--header-h) + 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120px)}.result-icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;margin-bottom:24px;background:var(--bg-raised);border:2px solid var(--border);color:var(--text-muted)}.result-icon--paid{background:#47ff9e1f;border-color:#47ff9e66;color:var(--success)}.result-icon--failed{background:#ff52521f;border-color:#ff525266;color:var(--danger)}.result-title{font-size:1.6rem;font-weight:800;letter-spacing:-.02em;margin-bottom:32px}.result-card--paid .result-title{color:var(--success)}.result-card--failed .result-title{color:var(--danger)}.result-rows{width:100%;display:flex;flex-direction:column;gap:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:32px;text-align:left}.result-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 16px;border-bottom:1px solid var(--border-soft)}.result-row:last-child{border-bottom:none}.result-row:nth-child(2n){background:var(--bg-raised)}.result-row-label{font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);flex-shrink:0}.result-row-value{font-size:.875rem;color:var(--text);text-align:right;word-break:break-all}.result-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}:root{--bg: #0f0f11;--bg-raised: #17171b;--bg-card: #1c1c22;--border: #2a2a33;--border-soft: #222228;--text: #f0f0f4;--text-muted: #8888a0;--text-dim: #4a4a60;--accent: #e8ff47;--accent-dark: #b8cc20;--accent-dim: rgba(232, 255, 71, .1);--success: #47ff9e;--danger: #ff5252;--warning: #ffb347;--font-display: "Inter", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace;--radius: 6px;--radius-lg: 12px;--transition: .15s ease;--header-h: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-weight:400;line-height:1.6;min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:var(--font-body);cursor:pointer;border:none;background:none}input,select{font-family:var(--font-mono);font-size:.9rem}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding-top:var(--header-h)}.container{max-width:1120px;margin:0 auto;padding:0 24px}.page{padding:48px 0 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rgba(255,82,82,.3)}.btn-danger:hover{background:#ff525214}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-full{width:100%}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-label{font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.form-input{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:10px 14px;font-family:var(--font-mono);font-size:.9rem;transition:border-color var(--transition);outline:none;width:100%}.form-input:focus{border-color:var(--accent)}.form-input.error{border-color:var(--danger)}.form-error{font-size:.75rem;color:var(--danger)}.price{font-family:var(--font-mono);font-weight:500;font-size:.95rem}.price-lg{font-family:var(--font-mono);font-size:1.35rem;font-weight:700;color:var(--accent);letter-spacing:-.02em}.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.badge-success{background:#47ff9e1f;color:var(--success)}.badge-danger{background:#ff52521f;color:var(--danger)}.badge-warning{background:#ffb3471f;color:var(--warning)}.badge-neutral{background:var(--bg-raised);color:var(--text-muted);border:1px solid var(--border)}.divider{border:none;border-top:1px solid var(--border);margin:24px 0}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:80px 24px;color:var(--text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:1.2rem;font-weight:700;margin-bottom:8px;color:var(--text)}.text-muted{color:var(--text-muted)}.text-dim{color:var(--text-dim)}.text-accent{color:var(--accent)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-right{text-align:right}.text-center{text-align:center}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}