@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

.krb-form-wrapper {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    max-width: 1000px;
    margin: 40px auto;
    padding: 30px 40px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 18px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08), 0 5px 15px rgba(0, 0, 0, 0.04);
    box-sizing: border-box;
}

.krb-form-title {
    text-align: center;
    color: #c91818;
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 35px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.krb-donor-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.krb-form-section {
    background: rgba(0, 0, 0, 0.015);
    border: 1px solid rgba(0, 0, 0, 0.04);
    padding: 24px;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.krb-form-section:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.02);
}

.krb-section-title {
    font-size: 16px;
    font-weight: 600;
    color: #222;
    margin-top: 0;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.1);
    padding-bottom: 10px;
}

.krb-step-num {
    background: #555555;
    color: #fff;
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
}

/* Grids */
.krb-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.krb-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.krb-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* Form inputs */
.krb-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
}

.krb-form-group:last-child {
    margin-bottom: 0;
}

.krb-form-group label {
    font-size: 13.5px;
    font-weight: 500;
    color: #444;
}

.krb-form-group label .required {
    color: #c91818;
    margin-left: 2px;
}

.krb-form-group input[type="text"],
.krb-form-group input[type="email"],
.krb-form-group input[type="tel"],
.krb-form-group input[type="date"],
.krb-form-group select,
.krb-form-group textarea {
    padding: 11px 14px;
    border: 1.5px solid #dcdcdc;
    border-radius: 8px;
    font-size: 14px;
    background-color: #ffffff;
    color: #333;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
    width: 100%;
}

.krb-form-group input:focus,
.krb-form-group select:focus,
.krb-form-group textarea:focus {
    border-color: #c91818;
    box-shadow: 0 0 0 3px rgba(201, 24, 24, 0.12);
}

/* Validation status colors */
.krb-form-group.krb-error input,
.krb-form-group.krb-error select,
.krb-form-group.krb-error textarea {
    border-color: #e53e3e;
    background-color: #fffaf0;
}

.krb-error-text {
    color: #e53e3e;
    font-size: 11.5px;
    margin-top: -4px;
}

/* Radio Group & Checkboxes */
.krb-radio-group {
    display: flex;
    gap: 20px;
    padding: 5px 0;
}

.krb-radio-label,
.krb-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    user-select: none;
}

.krb-radio-label input[type="radio"],
.krb-checkbox-label input[type="checkbox"] {
    width: 17px;
    height: 17px;
    accent-color: #c91818;
    cursor: pointer;
    margin: 0;
}

.krb-checkbox-group {
    flex-direction: row;
    align-items: flex-start;
}

.krb-checkbox-label span {
    font-size: 13.5px;
    line-height: 1.4;
    color: #444;
}

/* Button Container */
.krb-form-buttons {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
}

.krb-btn {
    padding: 13px 25px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.krb-btn-clear {
    background-color: #f1f1f1;
    color: #555;
    border: 1.5px solid #d3d3d3;
    width: 15%;
    min-width: 110px;
}

.krb-btn-clear:hover {
    background-color: #e2e2e2;
    color: #333;
}

.krb-btn-submit {
    background-color: #e50914;
    color: #ffffff;
    width: 85%;
    box-shadow: 0 4px 12px rgba(229, 9, 20, 0.2);
}

.krb-btn-submit:hover {
    background-color: #c80710;
    box-shadow: 0 6px 18px rgba(229, 9, 20, 0.3);
    transform: translateY(-1px);
}

.krb-btn-submit:active {
    transform: translateY(1px);
}

/* Loader / Spinner */
.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: krb-spin 0.8s linear infinite;
    margin-left: 10px;
}

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

/* Success / Error Messages */
.krb-message {
    padding: 15px;
    border-radius: 8px;
    font-size: 14.5px;
    line-height: 1.5;
    margin-bottom: 10px;
    display: none;
}

.krb-message-success {
    background-color: #edf7ed;
    color: #1e4620;
    border: 1px solid #c2e0c2;
    display: block;
}

.krb-message-error {
    background-color: #fdeded;
    color: #5f2120;
    border: 1px solid #f5c2c2;
    display: block;
}

/* Conditional Field CSS Transition */
.krb-conditional-field {
    animation: krbFadeIn 0.3s ease-out forwards;
}

@keyframes krbFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsiveness */
@media (max-width: 900px) {
    .krb-grid-4 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .krb-form-wrapper {
        padding: 20px 25px;
        margin: 20px 10px;
    }
    .krb-grid-3 {
        grid-template-columns: 1fr;
    }
    .krb-grid-2 {
        grid-template-columns: 1fr;
    }
    .krb-grid-4 {
        grid-template-columns: 1fr;
    }
    .krb-form-buttons {
        flex-direction: column-reverse;
    }
    .krb-btn-clear, .krb-btn-submit {
        width: 100%;
    }
}