:root {
    --rff-primary: #1e3a8a;
    --rff-secondary: #fbbf24;
    --rff-success: #10b981;
    --rff-danger: #ef4444;
    --rff-light: #f8fafc;
    --rff-dark: #1f2937;
}

/* Form Container */
.rff-form-container {
    max-width: 600px;
    margin: 20px auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden;
}

/* Form Styles */
.rff-form {
    padding: 30px;
}

.rff-form-title {
    color: var(--rff-primary);
    margin: 0 0 30px 0;
    font-size: 28px;
    text-align: center;
    font-weight: 600;
}

/* Field Wrapper */
.rff-field-wrapper {
    margin-bottom: 25px;
}

.rff-field-label {
    display: block;
    margin-bottom: 8px;
    color: var(--rff-dark);
    font-weight: 500;
    font-size: 14px;
}

.rff-field-description {
    display: block;
    color: #666;
    font-size: 12px;
    margin-top: 4px;
    margin-bottom: 8px;
}

.rff-required {
    color: var(--rff-danger);
    font-weight: bold;
}

/* Form Fields */
.rff-field {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
    box-sizing: border-box;
}

.rff-field:focus {
    outline: none;
    border-color: var(--rff-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.rff-field:invalid {
    border-color: var(--rff-danger);
}

/* Textarea */
textarea.rff-field {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

/* Select */
select.rff-field {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
    appearance: none;
}

/* Radio and Checkbox Groups */
.rff-radio-label,
.rff-checkbox-label {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    cursor: pointer;
    font-weight: normal;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.rff-radio-label:hover,
.rff-checkbox-label:hover {
    background-color: var(--rff-light);
}

.rff-radio-label input,
.rff-checkbox-label input {
    margin-right: 10px;
    width: auto;
}

/* Payment Options */
.rff-payment-options {
    display: grid;
    gap: 10px;
}

.rff-payment-label {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    background: white;
}

.rff-payment-label:hover {
    border-color: var(--rff-primary);
    background: var(--rff-light);
}

.rff-payment-label input {
    margin-right: 12px;
    width: auto;
}

.rff-payment-label input:checked {
    accent-color: var(--rff-primary);
}

.rff-payment-label span {
    font-weight: 500;
}

/* File Upload */
input[type="file"].rff-field {
    padding: 8px;
    border: 2px dashed #e5e7eb;
    background: var(--rff-light);
}

input[type="file"].rff-field:hover {
    border-color: var(--rff-primary);
}

/* Form Actions */
.rff-form-actions {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
}

.rff-submit-btn {
    background: linear-gradient(135deg, var(--rff-primary), var(--rff-secondary));
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.rff-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.4);
}

.rff-submit-btn:active {
    transform: translateY(0);
}

.rff-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Form Messages */
.rff-form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    display: none;
    text-align: center;
    font-weight: 500;
}

.rff-form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
    display: block;
}

.rff-form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
    display: block;
}

.rff-form-message.loading {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
    display: block;
}

/* BRANDING MOVED TO BOTTOM */
.rff-branding {
    background: linear-gradient(135deg, var(--rff-dark), var(--rff-secondary));
    color: white;
    padding: 10px 20px;
    text-align: center;
    font-size: 12px;
    border-top: 1px solid #e5e7eb;
}

.rff-branding a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

.rff-branding a:hover {
    text-decoration: underline;
}

/* Loading State */
.rff-form.loading {
    opacity: 0.7;
    pointer-events: none;
}

.rff-form.loading .rff-submit-btn {
    position: relative;
}

.rff-form.loading .rff-submit-btn::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .rff-form-container {
        margin: 10px;
        border-radius: 0;
    }

    .rff-form {
        padding: 20px;
    }

    .rff-form-title {
        font-size: 24px;
    }

    .rff-field {
        font-size: 16px;
        padding: 12px 14px;
    }

    .rff-submit-btn {
        width: 100%;
        padding: 15px 20px;
    }
}

@media (max-width: 480px) {
    .rff-form {
        padding: 15px;
    }

    .rff-form-title {
        font-size: 20px;
    }

    .rff-field-wrapper {
        margin-bottom: 20px;
    }
}