:root{--color-black: #000000;--color-yellow: #FFCB00;--color-gray-dark: #6D6D6D;--color-gray-medium: #9B9B9B;--color-gray-light: #E5E5E5;--color-white: #FFFFFF}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-white);color:var(--color-black);width:100%;height:100vh;overflow:auto}#root{width:100%;min-height:100vh}.currency-input-wrapper{width:100%;margin-bottom:24px}.currency-input-label{display:block;font-size:14px;font-weight:500;color:var(--color-black);margin-bottom:8px}.currency-input-container{position:relative;width:100%}.currency-input{width:100%;padding:12px 40px 12px 16px;font-size:16px;font-family:Inter,sans-serif;border:1px solid var(--color-gray-light);border-radius:8px;background-color:var(--color-white);color:var(--color-black);transition:border-color .2s ease;outline:none}.currency-input:focus{border-color:var(--color-yellow)}.currency-input:disabled{background-color:var(--color-gray-light);cursor:not-allowed;opacity:.6}.currency-symbol{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:16px;color:var(--color-gray-dark);pointer-events:none}@media(max-width:768px){.currency-input-wrapper{margin-bottom:20px}.currency-input{padding:10px 36px 10px 14px;font-size:15px}.currency-symbol{right:14px;font-size:15px}}.payment-form-container{width:100%;max-width:500px;margin:0 auto}.payment-form{background-color:var(--color-white);padding:32px;border-radius:12px}.payment-form-title{font-size:24px;font-weight:600;color:var(--color-black);margin-bottom:32px;text-align:center}.payment-form-error{background-color:#fee;color:#c33;padding:12px;border-radius:8px;margin-bottom:16px;font-size:14px;border:1px solid #fcc}.payment-form-success{background-color:#efe;color:#3c3;padding:12px;border-radius:8px;margin-bottom:16px;font-size:14px;border:1px solid #cfc}.payment-form-submit{width:100%;padding:14px;font-size:16px;font-weight:600;font-family:Inter,sans-serif;color:var(--color-black);background-color:var(--color-yellow);border:none;border-radius:8px;cursor:pointer;transition:background-color .2s ease,transform .1s ease;margin-top:8px}.payment-form-submit:hover:not(:disabled){background-color:#e6b800;transform:translateY(-1px)}.payment-form-submit:active:not(:disabled){transform:translateY(0)}.payment-form-submit:disabled{background-color:var(--color-gray-medium);cursor:not-allowed;opacity:.6}@media(max-width:768px){.payment-form{padding:24px 20px}.payment-form-title{font-size:20px;margin-bottom:24px}.payment-form-submit{padding:12px;font-size:15px}}@media(max-width:480px){.payment-form{padding:20px 16px;box-shadow:none}.payment-form-title{font-size:18px;margin-bottom:20px}}.app{width:100%;display:flex;align-items:center;justify-content:center;padding:20px}