/**
 * Custom WooCommerce Checkout Styles
 * Matches the Real Leaders Summit 2026 design
 * Scoped to WooCommerce One Page Checkout only
 */

/* Hidden WooCommerce Elements */
.wc-hidden-elements,
.wc-hidden-elements * {
    display: none !important;
    visibility: hidden !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: -1 !important;
}

 body.wcopc-product-single {
    background-color: #FFF6F6;
 }

/* Container */
body.wcopc-product-single .rl-checkout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: 'Outfit', sans-serif;
}

/* Progress Steps */
body.wcopc-product-single .rl-checkout-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 100px;
    padding: 0 20px;
}

body.wcopc-product-single .progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

body.wcopc-product-single .progress-step .step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #ffffff;
    color: #D6D6D6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
    border: 1px solid #D6D6D6;
}

body.wcopc-product-single .progress-step.active .step-number {
    background-color: #CF3232;
    color: #ffffff;
}

body.wcopc-product-single .progress-step .step-label {
    font-size: 18px;
    color: #333333;
    font-weight: 400;
}

body.wcopc-product-single .progress-step.active .step-label {
    color: #333333;
    font-weight: 500;
}

body.wcopc-product-single .progress-line {
    width: 120px;
    height: 2px;
    background-color: #E5E7EB;
    margin: 0 20px;
    margin-top: -25px;
}

/* Main Content Layout */
body.wcopc-product-single .rl-checkout-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    align-items: start;
}

/* Main Form Area */
body.wcopc-product-single .rl-checkout-main {
    background: #ffffff;
    border-radius: 20px;
}

/* Section Styling */
body.wcopc-product-single .section-title {
    font-size: 24px;
    font-weight: 500;
    color: #333333;
    text-transform: none;
    margin-bottom: 8px;
    text-align: left;
    font-family: 'Outfit', sans-serif;
}

body.wcopc-product-single .section-description {
    color: #333333CC;
    font-size: 16px;
    margin-bottom: 32px;
    line-height: 1.5;
    font-weight: 300;
}

/* Event Information Box */
body.wcopc-product-single .event-info-section {
    margin-bottom: 65px;
}

body.wcopc-product-single .event-info-box {
    background-color: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: 12px;
    padding: 20px;
    margin-top: 16px;
}

body.wcopc-product-single .event-info-box p {
    margin: 0 0 8px 0;
    color: #333333CC;
    font-size: 16px;
}

body.wcopc-product-single .event-info-box h3.event-details-title {
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    color: #CF3232;
    margin-bottom: 20px;
    font-weight: bold;
}

body.wcopc-product-single .event-info-box p:last-child {
    margin-bottom: 0;
}

body.wcopc-product-single form.checkout.woocommerce-checkout {
    padding: 35px;    
}

/* Form Sections */
body.wcopc-product-single .participant-info-section,
body.wcopc-product-single .membership-verification-section {
    margin-bottom: 48px;
    border-bottom: 1px solid #E5E7EB;
}

/* Form Groups */
body.wcopc-product-single .form-row {
    margin-bottom: 24px;
}

/* SPECIFIC: Two fields per row styling - only for rows with has-multiple-fields class */
body.wcopc-product-single .form-row-wide.has-multiple-fields {
    display: flex;
    gap: 20px;
}

body.wcopc-product-single .form-row-wide.has-multiple-fields .form-group-half {
    flex: 1;
    display: flex;
    flex-direction: column;
}


body.wcopc-product-single .form-group-full {
    width: 100%;
}

/* DEFAULT: All form fields have labels above inputs */
body.wcopc-product-single .woocommerce-form-row {
    display: flex;
    flex-direction: column;
}

body.wcopc-product-single .woocommerce-form-row label {
    display: block !important;
    margin-bottom: 8px !important;
    width: 100% !important;
    font-weight: 600;
    color: #333333;
    font-size: 16px;
}

body.wcopc-product-single .woocommerce-input-wrapper {
    width: 100%;
}

body.wcopc-product-single .woocommerce-input-wrapper .select2-container {
    width: 100% !important;
}

/* Section Divider */
body.wcopc-product-single .section-divider {
    border-bottom: 1px solid #E5E7EB;
    margin: 32px 0;
}

/* Classification Section */
body.wcopc-product-single .classification-section {
    margin-bottom: 32px; 
}

body.wcopc-product-single .classification-title {
    font-size: 24px;
    font-weight: 600;
    color: #CF3232;
    margin-bottom: 16px;
    margin-top: 0;
    font-family: 'Outfit', sans-serif;
}

body.wcopc-product-single .classification-title.small {
    font-size: 16px;
}

body.wcopc-product-single .classification-description {
    font-size: 16px;
    color: #666666;
    margin-bottom: 24px;
    line-height: 1.5;
    font-weight: normal;
}

body.wcopc-product-single .classification-description.list-items {
    line-height: 2;
}

body.wcopc-product-single .classification-description.signature-label {
    color: #323232E5;
}

body.wcopc-product-single .classification-options.signature-agreements {
    position: relative;
    width: 100%;
}

body.wcopc-product-single .classification-options.signature-agreements .signature-label-container{
    width: 100%;
}

body.wcopc-product-single .classification-options.signature-agreements #clear_signature {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: #666;
  font-size: 18px;
  cursor: pointer;
}

body.wcopc-product-single .classification-options.signature-agreements #clear_signature:hover { 
    color: #000; 
}

body.wcopc-product-single .classification-options {
    display: flex;
    flex-direction: column;
    /* gap: 16px; */
}

body.wcopc-product-single .classification-options .woocommerce-form-row {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

body.wcopc-product-single .classification-options.has-image-radio{
    flex-direction: row;
    gap: 20px;
}

body.wcopc-product-single .classification-options.has-image-radio label,
body.wcopc-product-single .classification-options.signature-agreements label{
    border: 2px solid #E5E7EB;
    padding-left: 16px;
}

body.wcopc-product-single .classification-options.has-image-radio label:hover,
body.wcopc-product-single .classification-options.signature-agreements label:hover {
    border-color: #FEF2F2;
}

body.wcopc-product-single .classification-options.has-image-radio .radio-image-option input{
    visibility: hidden;
}

body.wcopc-product-single .radio-image-option:has(input[type="radio"]:checked) {
    border-color: #FEF2F2;
    background-color: #FEF2F2;
}

body.wcopc-product-single .classification-options input[type="checkbox"],
body.wcopc-product-single .classification-options input[type="radio"] {
    margin-right: 12px;
    margin-top: 4px;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    accent-color: #CF3232;
    position: absolute;
    left: 15px;
}

body.wcopc-product-single .classification-options label {
    padding: 16px;
    /* border: 2px solid #E5E7EB; */
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 0 !important;
    padding-left: 50px;
}

body.wcopc-product-single .classification-options input[type="radio"] + label {
    margin-bottom: 16px !important;
}

body.wcopc-product-single .classification-options input[type="radio"] {
    margin-top: 20px;
}

body.wcopc-product-single .classification-options label:hover {
    border-color: #CF3232;
    background-color: #FEF2F2;
}

body.wcopc-product-single .classification-options label span {
    font-size: 13px;
    font-weight: 300;
}

body.wcopc-product-single .classification-options input[type="checkbox"]:checked + label,
body.wcopc-product-single .classification-options label:has(input[type="checkbox"]:checked) {
    border-color: #CF3232;
    background-color: #FEF2F2;
}

/* Ensure checkbox appears before label text */
body.wcopc-product-single .classification-options .woocommerce-form-row {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

body.wcopc-product-single .classification-options .woocommerce-form-row label {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
}

body.wcopc-product-single .classification-options .woocommerce-form-row input[type="checkbox"] {
    order: -1;
    margin-right: 12px;
    margin-left: 0;
}

body.wcopc-product-single .classification-options .option-description {
    color: #666666;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.4;
}

body.wcopc-product-single .classification-options.terms-and-agreements .view-terms {
    color: #32323280;
    font-size: 14px;
    font-weight: 300;
}

body hr.separator{
    background: #3333331A;
    margin: 40px 0px;
}


/* Form Fields */
body.wcopc-product-single .woocommerce-input-wrapper {
    position: relative;
}

body.wcopc-product-single .woocommerce-input-wrapper input,
body.wcopc-product-single .woocommerce-input-wrapper select,
body.wcopc-product-single .woocommerce-input-wrapper textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s ease;
    background-color: #ffffff;
}

body.wcopc-product-single .woocommerce-input-wrapper input:focus,
body.wcopc-product-single .woocommerce-input-wrapper select:focus,
body.wcopc-product-single .woocommerce-input-wrapper textarea:focus {
    outline: none;
    border-color: #CF3232;
    box-shadow: 0 0 0 3px rgba(207, 50, 50, 0.1);
}

/* Commented out valid input styling - can be enabled if needed
body.wcopc-product-single .woocommerce-input-wrapper input.input-text:valid {
    border-color: #10B981;
}

body.wcopc-product-single .woocommerce-input-wrapper input.input-text:valid::after {
    content: '✓';
    position: absolute;
    right: 16px;
    bottom: 50%;
    transform: translateY(-50%);
    color: #10B981;
    font-weight: bold;
}
*/

/* Labels */
body.wcopc-product-single label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333333CC;
    font-size: 14px;
}

/* Step Navigation */
body.wcopc-product-single .step-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 48px;
    padding-top: 0;
    gap: 20px;
}

/* Buttons */
body.wcopc-product-single .step-navigation .btn {
    padding: 16px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 25px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: 100%;
}

body.wcopc-product-single .step-navigation .btn-primary {
    background-color: #CF3232;
    color: #ffffff;
}

body.wcopc-product-single .step-navigation .btn-primary:hover {
    background-color: #B91C1C;
    transform: translateY(-1px);
}

body.wcopc-product-single .step-navigation .btn-secondary {
    background-color: #F3F4F6;
    color: #333333CC;
}

body.wcopc-product-single .step-navigation .btn-secondary:hover {
    background-color: #E5E7EB;
}

/* Order Summary Sidebar */
body.wcopc-product-single .rl-checkout-sidebar {
    background-color: #ffffff;
    border-radius: 20px;
    overflow: hidden;
}

body.wcopc-product-single .order-summary-details .order-summary-event-details {
    padding: 30px 20px;
    border-bottom: 1px solid #E5E7EB;
}

body.wcopc-product-single .order-summary-details .registration-details {
    padding: 30px 20px;
    border-bottom: 1px solid #E5E7EB;
}

body.wcopc-product-single .order-summary-details .registration-details.summary-subtotal {
    padding: 20px 20px;
    border-bottom: 1px solid #E5E7EB;
}

body.wcopc-product-single .order-summary-details .registration-details.coupon-details {
    padding: 15px 20px;
    border-bottom: 1px solid #E5E7EB;
}

body.wcopc-product-single .order-summary-details .registration-details.summary-total {
    border-bottom: none;
}

body.wcopc-product-single .woocommerce-product-gallery,
body.wcopc-product-single .entry-summary,
body.wcopc-product-single .woocommerce-tabs,
body.wcopc-product-single .woocommerce-form-coupon-toggle,
body.wcopc-product-single .woocommerce-breadcrumb {
    display: none;
}

body.wcopc-product-single .site-content #primary {
    max-width: 1200px;
    margin: 0 auto;
}

body.wcopc-product-single header .header,
body.wcopc-product-single header .header.fixed {
    background-color: #212121;
    transition: none;
}
    
body.wcopc-product-single .site-content {
    padding-top: 120px;
}
    

body.wcopc-product-single .order-summary {
    background-color: #000000;
    color: #ffffff;
    border-radius: 0;
    padding: 30px 20px;
}

body.wcopc-product-single .order-summary h3 {
    color: #ffffff;
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 0;
    font-family: 'Outfit', sans-serif;
}

body.wcopc-product-single .event-date {
    color: #CF3232;
    font-size: 14px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

body.wcopc-product-single .order-summary-event-details h4 {
    font-size: 16px;
    letter-spacing: 1.6px;
    font-family: 'Outfit';
    text-transform: uppercase;
    font-weight: 500;
    color: #000000;
}

body.wcopc-product-single .order-summary h4 {
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 32px;
}

body.wcopc-product-single .registration-details h5 {
    color: #CF3232;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 16px;
    font-family: 'Outfit', sans-serif;
}

body.wcopc-product-single .summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
}

body.wcopc-product-single .summary-row span:first-child {
    color: #333333CC;
    font-weight: 400;
}

body.wcopc-product-single .summary-row span:last-child {
    color: #333333CC;
    font-weight: 500;
}

body.wcopc-product-single .summary-row.coupon-discount span:first-child {
    color: #10B981;
    font-weight: 500;
}

body.wcopc-product-single .summary-row.coupon-discount span:last-child {
    color: #10B981;
    font-weight: 600;
}

/* Coupon remove button styles */
body.wcopc-product-single .coupon-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

body.wcopc-product-single .remove-coupon-btn {
    background: none;
    border: none;
    color: #EF4444;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 16px;
    line-height: 1;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
}

body.wcopc-product-single .remove-coupon-btn:hover {
    background-color: #FEE2E2;
    color: #DC2626;
}

body.wcopc-product-single .remove-coupon-btn:active {
    transform: scale(0.95);
}

body.wcopc-product-single .remove-coupon-btn .remove-icon {
    font-weight: bold;
    font-size: 14px;
}

body.wcopc-product-single .summary-row.subtotal {
    font-size: 16px;
    font-weight: 600;
}

body.wcopc-product-single .summary-row.subtotal span:first-child {
    color: #333333CC;
}

body.wcopc-product-single .summary-row.subtotal span:last-child {
    color: #333333CC;
}

body.wcopc-product-single .subtotal-price {
    color: #333333CC !important;
    font-size: 16px !important;
}

body.wcopc-product-single .summary-row.total {
    font-size: 16px;
}

body.wcopc-product-single .total-price ,
body.wcopc-product-single .summary-row .total-price span:last-child{
    color: #CF3232 !important;
    font-size: 18px !important;
}

/* Promo Code Section */
body.wcopc-product-single .promo-code-section {
    margin: 20px;
    padding: 30px 20px;
    background-color: #FDE7E7;
    border-radius: 15px;
}

body.wcopc-product-single .promo-code-section h5 {
    color: #000000;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    font-family: 'Outfit', sans-serif;
}

body.wcopc-product-single .promo-code-section p {
    color: #000000;
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.4;
    font-weight: 300;
}

body.wcopc-product-single .promo-code-input {
    display: flex;
    gap: 8px;
    margin-top: 35px;
}

body.wcopc-product-single .promo-code-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #ffffff;
    border-radius: 8px;
    background-color: #ffffff;
    color: #000000;
    font-size: 14px;
}

body.wcopc-product-single .promo-code-input input::placeholder {
    color: #333333;
}

body.wcopc-product-single .promo-code-input input:focus {
    outline: none;
    border-color: #CF3232;
}

body.wcopc-product-single .form-row-wide#billing_phone_field {
    flex-direction: column;
    gap: 0;
}

body.wcopc-product-single .btn-apply {
    padding: 12px 20px;
    background-color: #CF3232;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 20px;
    width: 100%;
    max-width: 100px;
    cursor: pointer;
    font-family: "Abolition Test", sans-serif;
    transition: background-color 0.2s ease;
}

body.wcopc-product-single .btn-apply:hover {
    background-color: #B91C1C;
}

/* Payment Methods Section */
body.wcopc-product-single .payment-methods-section {
    margin: 20px 20px 20px 20px;
    padding: 30px 20px;
    background-color: #F8F9FA;
    border-radius: 15px;
}

body.wcopc-product-single .payment-methods-section h5 {
    color: #000000;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    font-family: 'Outfit', sans-serif;
}

body.wcopc-product-single .payment-methods-section p {
    color: #000000;
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.4;
    font-weight: 300;
}

body.wcopc-product-single .payment-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

body.wcopc-product-single .payment-method-option {
    background-color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 16px;
    transition: all 0.2s ease;
    cursor: pointer;
}

body.wcopc-product-single .payment-method-option:hover {
    border-color: #CF3232;
    background-color: #FEF2F2;
}

body.wcopc-product-single .payment-method-option input[type="radio"] {
    margin-right: 12px;
    margin-top: 2px;
    accent-color: #CF3232;
    width: 18px;
    height: 18px;
}

body.wcopc-product-single .payment-method-option label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: #333333;
    font-size: 16px;
    margin-bottom: 0 !important;
}

body.wcopc-product-single .payment-method-option input[type="radio"]:checked + label {
    color: #CF3232 !important;
    font-weight: 600 !important;
}

body.wcopc-product-single .payment-method-option:has(input[type="radio"]:checked),
body.wcopc-product-single .payment-method-option.selected {
    background-color: #FEF2F2 !important;
    box-shadow: 0 0 0 2px rgba(207, 50, 50, 0.1) !important;
}

body.wcopc-product-single .payment-method-option.selected input[type="radio"] {
    accent-color: #CF3232 !important;
}

body.wcopc-product-single .payment-method-option.selected label {
    color: #CF3232 !important;
    font-weight: 600 !important;
}

body.wcopc-product-single .payment-icon {
    margin-left: auto;
    display: flex;
    align-items: center;
}

body.wcopc-product-single .payment-icon img {
    max-height: 24px;
    width: auto;
}

body.wcopc-product-single .payment_box {
    margin-top: 16px;
    padding: 16px;
    background-color: #F8F9FA;
    border-radius: 6px;
    border: 1px solid #E5E7EB;
}

body.wcopc-product-single .payment_box p {
    margin-bottom: 12px;
    font-size: 14px;
    color: #666666;
}

body.wcopc-product-single .payment_box input[type="text"],
body.wcopc-product-single .payment_box input[type="email"],
body.wcopc-product-single .payment_box select {
    width: 100%;
    padding: 12px;
    border: 1px solid #D1D5DB;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 12px;
}

body.wcopc-product-single .payment_box input[type="text"]:focus,
body.wcopc-product-single .payment_box input[type="email"]:focus,
body.wcopc-product-single .payment_box select:focus {
    outline: none;
    border-color: #CF3232;
    box-shadow: 0 0 0 2px rgba(207, 50, 50, 0.1);
}

.opc-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.opc-loading .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #CF3232;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.woocommerce-message {
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 8px;
    background-color: #000000;
    color: #ffffff;
}

.woocommerce-error {
    border-left-color: #ef4444;
    background-color: #fef2f2;
    color: #dc2626;
}

.woocommerce-success {
    border-left-color: #10b981;
    background-color: #f0fdf4;
    color: #059669;
}

/* Responsive Design */
@media (max-width: 768px) {
    body.wcopc-product-single .rl-checkout-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    body.wcopc-product-single .rl-checkout-sidebar {
        order: -1;
        position: static;
    }
    
    body.wcopc-product-single .progress-line {
        width: 60px;
        margin: 0 10px;
    }
    
    body.wcopc-product-single .form-row-wide {
        flex-direction: column;
        gap: 16px;
    }
    
    body.wcopc-product-single .step-navigation {
        flex-direction: column;
        gap: 16px;
    }
    
    body.wcopc-product-single .step-navigation .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    body.wcopc-product-single .rl-checkout-container {
        padding: 20px 16px;
    }
    
    body.wcopc-product-single .rl-checkout-progress {
        margin-bottom: 50px;
    }
    
    body.wcopc-product-single .progress-step .step-number {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    body.wcopc-product-single .progress-line {
        width: 40px;
        margin: 0 8px;
        margin-top: -20px;
    }
    
    body.wcopc-product-single .order-summary {
        padding: 24px;
    }
}

/* Hide default WooCommerce styling */
body.wcopc-product-single .woocommerce .woocommerce-checkout .checkout .col2-set,
body.wcopc-product-single .woocommerce .woocommerce-checkout .checkout #order_review_heading,
body.wcopc-product-single .woocommerce .woocommerce-checkout .checkout #order_review {
    display: none;
}

/* Custom validation styling */
body.wcopc-product-single .woocommerce-invalid input {
    border-color: #EF4444 !important;
}

body.wcopc-product-single .woocommerce-error {
    background-color: #FEF2F2;
    border: 1px solid #FECACA;
    color: #DC2626;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

/* Loading state */
body.wcopc-product-single .processing {
    opacity: 0.6;
    pointer-events: none;
}

body.wcopc-product-single .processing .btn {
    position: relative;
}

body.wcopc-product-single .processing .btn::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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