.sra-container {
    background-color: #ffffff;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    width: 100%;
    max-width: 440px;
    margin: 20px auto;
    box-sizing: border-box;
}
.sra-container * {
    box-sizing: border-box;
}
.sra-container h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1f2937;
    line-height: 1.2;
}
.sra-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}
.sra-field-group {
    margin-bottom: 4px;
}
.sra-container label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 6px;
}
.sra-input-wrapper {
    position: relative;
}
.sra-container input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    transition: all 0.2s;
    background: #fff;
    color: #000;
}
.sra-input-amount {
    padding-right: 52px; 
}
.sra-container input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}
.sra-container input::-webkit-outer-spin-button,
.sra-container input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.sra-container input[type=number] {
    -moz-appearance: textfield;
}
.sra-currency {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #6b7280;
    font-weight: 600;
    font-size: 13px;
    pointer-events: none;
}
.sra-error-container {
    height: 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}
.sra-error-message {
    font-size: 13px;
    color: #dc2626;
    font-weight: 500;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.15s ease-in-out;
}
.sra-error-message.visible {
    visibility: visible;
    opacity: 1;
}
.sra-container input.invalid {
    border-color: #dc2626;
    background-color: #fef2f2;
}
.sra-container input.invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}
.sra-submit-btn {
    width: 100%;
    background-color: #2563eb;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}
.sra-submit-btn:hover {
    background-color: #1d4ed8;
}