:root{--theme-color: #E85D04;--theme-color-light: rgba(232, 93, 4, .08);--theme-color-hover: #D14F00;--bg-page: #FAFAFA;--bg-white: #FFFFFF;--bg-input: #F5F5F5;--text-primary: #1A1A1A;--text-secondary: #666666;--text-muted: #999999;--text-placeholder: #BDBDBD;--border-color: #E5E5E5;--border-focus: var(--theme-color);--success: #2E7D32;--error: #D32F2F;--font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-family);background:var(--bg-page);color:var(--text-primary);min-height:100vh;min-height:100dvh;line-height:1.5}.page{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding:0 var(--space-md) var(--space-md);max-width:100%;overflow-x:hidden}.header{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-lg) 0;margin-bottom:var(--space-md);border-bottom:1px solid var(--border-color)}.header-icon{width:48px;height:48px;background:var(--theme-color);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.header-info{flex:1;min-width:0}.header-title{display:block;font-size:.6875rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}.header-subtitle{display:block;font-size:.9375rem;font-weight:500;color:var(--text-primary);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-subtitle:empty{display:none}.header-amount{display:block;font-size:1.5rem;font-weight:700;color:var(--theme-color);letter-spacing:-.5px}.payment-form{background:transparent;padding:0;flex:1;display:flex;flex-direction:column}.form-group{margin-bottom:var(--space-md)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.form-row .form-group{margin-bottom:var(--space-md)}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-sm)}.input-wrapper{position:relative;display:flex;align-items:center}.form-input{width:100%;height:52px;background:var(--bg-input);border:2px solid transparent;border-radius:var(--radius-sm);padding:0 var(--space-md);font-family:var(--font-family);font-size:1rem;color:var(--text-primary);transition:all var(--transition);outline:none}.form-input::placeholder{color:var(--text-placeholder)}.form-input:focus{background:var(--bg-white);border-color:var(--theme-color);box-shadow:0 0 0 3px var(--theme-color-light)}.input-wrapper.valid .form-input{border-color:var(--success)}.input-wrapper.invalid .form-input{border-color:var(--error);background:#fff5f5}.card-brand{position:absolute;right:var(--space-md);display:flex;align-items:center;pointer-events:none}.card-brand svg{width:36px;height:24px}.cvv-info{position:absolute;right:var(--space-sm);background:none;border:none;color:var(--text-muted);cursor:pointer;padding:var(--space-xs);display:flex;align-items:center;border-radius:50%;transition:all var(--transition)}.cvv-info:hover{color:var(--theme-color);background:var(--theme-color-light)}.error-message{display:block;font-size:.75rem;color:var(--error);margin-top:var(--space-xs);min-height:18px;opacity:0;transform:translateY(-4px);transition:all var(--transition)}.error-message.show{opacity:1;transform:translateY(0)}.checkbox-group{margin:var(--space-md) 0 var(--space-lg)}.checkbox-wrapper{display:flex;align-items:center;gap:var(--space-sm);cursor:pointer;-webkit-user-select:none;user-select:none}.checkbox-input{position:absolute;opacity:0;pointer-events:none}.checkbox-custom{width:20px;height:20px;border:2px solid var(--border-color);border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all var(--transition);flex-shrink:0;background:var(--bg-white)}.checkbox-custom:after{content:"";width:10px;height:6px;border-left:2px solid white;border-bottom:2px solid white;transform:rotate(-45deg) scale(0);transition:transform var(--transition);margin-top:-2px}.checkbox-input:checked+.checkbox-custom{background:var(--theme-color);border-color:var(--theme-color)}.checkbox-input:checked+.checkbox-custom:after{transform:rotate(-45deg) scale(1)}.checkbox-input:focus+.checkbox-custom{box-shadow:0 0 0 3px var(--theme-color-light)}.checkbox-label{font-size:.875rem;color:var(--text-secondary)}.submit-btn{width:100%;height:56px;background:var(--theme-color);border:none;border-radius:var(--radius-md);color:#fff;font-family:var(--font-family);font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;position:relative;transition:all var(--transition);margin-top:auto}.submit-btn:hover:not(:disabled){background:var(--theme-color-hover)}.submit-btn:active:not(:disabled){transform:scale(.98)}.submit-btn:disabled{opacity:.6;cursor:not-allowed}.btn-text{display:flex;align-items:center;transition:opacity var(--transition)}.btn-loading{position:absolute;display:none}.submit-btn.loading .btn-text{opacity:0}.submit-btn.loading .btn-loading{display:flex}.spinner{animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.saved-card-display{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-sm);margin-bottom:var(--space-lg)}.saved-card-icon{width:44px;height:28px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.saved-card-icon svg{width:100%;height:100%}.saved-card-info{flex:1;min-width:0}.saved-card-number{display:block;font-size:.9375rem;font-weight:600;color:var(--text-primary);letter-spacing:1px}.saved-card-expiry{display:block;font-size:.75rem;color:var(--text-muted);margin-top:2px}.saved-card-badge{font-size:.625rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--success);background:#e8f5e9;padding:4px 8px;border-radius:4px}.footer{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);padding:var(--space-lg) 0 var(--space-md)}.security-badge{display:flex;align-items:center;gap:var(--space-xs);font-size:.75rem;color:var(--text-muted)}.security-badge svg{color:var(--success)}.powered-by{display:flex;align-items:center;gap:var(--space-xs);font-size:.75rem;color:var(--text-muted)}.powered-by img{height:18px;opacity:.7}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-page);display:flex;align-items:center;justify-content:center;z-index:2000;opacity:0;visibility:hidden;transition:all var(--transition)}.loading-overlay.show{opacity:1;visibility:visible}.loading-content{text-align:center}.loading-spinner{color:var(--theme-color);margin-bottom:var(--space-md)}.loading-text{color:var(--text-secondary);font-size:.875rem}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:flex-end;justify-content:center;padding:0;z-index:1000;opacity:0;visibility:hidden;transition:all var(--transition)}.modal.show{opacity:1;visibility:visible}.modal-content{background:var(--bg-white);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:var(--space-xl) var(--space-lg);text-align:center;width:100%;max-width:100%;transform:translateY(100%);transition:transform .3s ease}.modal.show .modal-content{transform:translateY(0)}.modal-icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto var(--space-md)}.modal-icon.error{background:#ffebee;color:var(--error)}.modal-icon.processing{background:var(--theme-color-light);color:var(--theme-color)}.modal-content h2{font-size:1.25rem;font-weight:600;margin-bottom:var(--space-sm);color:var(--text-primary)}.modal-content p{color:var(--text-secondary);margin-bottom:var(--space-lg);font-size:.875rem}.modal-btn{width:100%;height:52px;background:var(--theme-color);border:none;border-radius:var(--radius-sm);color:#fff;font-family:var(--font-family);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition)}.modal-btn:hover{background:var(--theme-color-hover)}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}.shake{animation:shake .4s ease-in-out}:focus-visible{outline:2px solid var(--theme-color);outline-offset:2px}@media (min-width: 480px){body{display:flex;align-items:center;justify-content:center;padding:var(--space-lg)}.page{max-width:420px;min-height:auto;padding:var(--space-lg);background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:0 4px 24px #00000014}.header{padding:var(--space-md) 0 var(--space-lg)}.modal{align-items:center;padding:var(--space-lg)}.modal-content{border-radius:var(--radius-lg);max-width:360px}}.credit-card{margin-bottom:var(--space-xl)}.card-background{background:linear-gradient(135deg,#2c3e50,#34495e);border-radius:var(--radius-lg);padding:var(--space-lg);aspect-ratio:1.586;display:flex;flex-direction:column;position:relative;box-shadow:0 8px 24px #0003;overflow:hidden}.card-background:before{content:"";position:absolute;top:-50%;right:-20%;width:300px;height:300px;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);border-radius:50%}.card-brand-logo{position:absolute;top:var(--space-lg);right:var(--space-lg);width:48px;height:32px;display:flex;align-items:center;justify-content:center}.card-brand-logo svg{width:100%;height:100%;filter:drop-shadow(0 2px 4px rgba(0,0,0,.15))}.card-number-display{display:flex;gap:12px;margin-bottom:var(--space-lg);margin-top:auto}.card-number-group{font-family:Courier New,monospace;font-size:1rem;font-weight:600;color:#fff;letter-spacing:1px;text-shadow:0 2px 4px rgba(0,0,0,.15)}@media (min-width: 380px){.card-number-group{font-size:1.125rem}}.card-details{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--space-sm)}@media (min-width: 380px){.card-details{gap:var(--space-md)}}.card-detail-group{display:flex;flex-direction:column;gap:4px}.card-detail-label{font-size:.5625rem;font-weight:500;text-transform:uppercase;letter-spacing:.5px;color:#ffffffb3}@media (min-width: 380px){.card-detail-label{font-size:.625rem}}.card-detail-value{font-size:.75rem;font-weight:600;color:#fff;text-transform:uppercase;letter-spacing:.5px;text-shadow:0 2px 4px rgba(0,0,0,.15);word-break:break-word}@media (min-width: 380px){.card-detail-value{font-size:.875rem}}.card-cvn-group{position:relative}.card-cvn-input-wrapper{position:relative;display:flex;align-items:center}.card-cvn-input{width:100%;height:36px;background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1.5px solid rgba(255,255,255,.3);border-radius:6px;padding:0 32px 0 var(--space-sm);font-family:Courier New,monospace;font-size:1rem;font-weight:600;color:#fff;letter-spacing:2px;transition:all var(--transition);outline:none;text-shadow:0 1px 2px rgba(0,0,0,.15)}.card-cvn-input::placeholder{color:#ffffff80;letter-spacing:1px}.card-cvn-input:focus{background:#ffffff4d;border-color:#fff9;box-shadow:0 0 0 3px #ffffff1a}.card-cvn-input-wrapper.valid .card-cvn-input{border-color:#2ed573cc;background:#2ed57326}.card-cvn-input-wrapper.invalid .card-cvn-input{border-color:#ff7675cc;background:#ff767526}.cvn-info-btn{position:absolute;right:4px;background:#fff3;border:none;color:#fff;cursor:pointer;padding:6px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.cvn-info-btn:hover{background:#ffffff4d}.cvn-info-btn svg{width:16px;height:16px}@supports (padding-bottom: env(safe-area-inset-bottom)){.page{padding-bottom:calc(var(--space-md) + env(safe-area-inset-bottom))}.modal-content{padding-bottom:calc(var(--space-xl) + env(safe-area-inset-bottom))}}