/**
 * Checkout Family Styles
 *
 * Extracted from inline <style> blocks in checkout views:
 * - app/Views/checkout/index.php (main checkout)
 * - app/Views/checkout/assign-kits.php (kit assignment)
 * - app/Views/checkout/confirm.php (order confirmation)
 *
 * Scoping: All selectors are checkout-scoped where applicable
 * to avoid conflicts with other families.
 */

/* =============================================================================
   CSS Variables
   ============================================================================= */

:root {
    --checkout-primary: #00DF7A;
    --checkout-primary-dark: #00C96E;
    --checkout-primary-glow: rgba(0, 223, 122, 0.4);
    --checkout-bg-dark: #031E47;
    --checkout-bg-card: #0A2A5C;
    --checkout-text-primary: #f8fafc;
    --checkout-text-secondary: #94a3b8;
    --checkout-border: rgba(0, 223, 122, 0.2);
    --checkout-success: #00DF7A;
    --checkout-error: #ef4444;
}

/* =============================================================================
   Reset & Base
   ============================================================================= */

.checkout-family,
.checkout-family *,
.checkout-family *::before,
.checkout-family *::after {
    box-sizing: border-box;
}

body.checkout-family {
    font-family: 'Inter', system-ui, sans-serif;
    background: linear-gradient(135deg, var(--checkout-bg-dark) 0%, var(--checkout-bg-card) 100%);
    color: var(--checkout-text-primary);
    margin: 0;
    min-height: 100vh;
}

/* =============================================================================
   Header / Navigation (Checkout Page)
   ============================================================================= */

.checkout-nav {
    background: rgba(10, 10, 26, 0.95);
    border-bottom: 1px solid var(--checkout-border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.checkout-nav__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkout-nav__logo {
    height: 40px;
    width: auto;
}

.checkout-nav__back {
    color: var(--checkout-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}

.checkout-nav__back:hover {
    color: var(--checkout-primary);
}

/* =============================================================================
   Container & Layout
   ============================================================================= */

.checkout-container {
    width: min(calc(100% - (var(--container-padding, 1.5rem) * 2)), var(--container-max, 1200px));
    margin: 0 auto;
}

.checkout-header {
    text-align: center;
    margin-bottom: 2rem;
}

.checkout-header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--checkout-primary) 0%, #00ffcc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.checkout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 400px);
    align-items: start;
    gap: 2rem;
    width: 100%;
}

.checkout-form-column,
.checkout-summary-column {
    min-width: 0;
}

.checkout-form-column {
    display: grid;
    gap: 1.5rem;
}

/* =============================================================================
   Cards
   ============================================================================= */

.checkout-card,
.card {
    background: var(--checkout-bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--checkout-border);
}

.checkout-hidden-panel {
    display: none;
}

.checkout-card-title,
.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--checkout-border);
    color: #ffffff;
}

/* =============================================================================
   Forms
   ============================================================================= */

.checkout-form-group,
.form-group {
    margin-bottom: 1rem;
}

.checkout-form-row,
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkout-phone-row {
    grid-template-columns: 140px 1fr;
}

.checkout-form-label,
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--checkout-text-secondary);
}

.checkout-form-input,
.checkout-form-select,
.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--checkout-border);
    border-radius: 8px;
    background: #ffffff;
    color: #1a1a1a;
    font-size: 1rem;
}

.checkout-form-input:focus,
.checkout-form-select:focus,
.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--checkout-primary);
}

.checkout-form-input.is-invalid,
.form-input.is-invalid {
    border-color: var(--checkout-error);
}

.checkout-form-input[aria-invalid="true"],
.checkout-form-select[aria-invalid="true"],
.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"] {
    border-color: var(--checkout-error);
    box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.18);
}

.checkout-form-error,
.form-error {
    color: var(--checkout-error);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.checkout-form-error--spaced,
.form-error--spaced {
    margin-top: 0.75rem;
}

.checkout-form-error[hidden],
.form-error[hidden] {
    display: none;
}

.checkout-checkbox-group.is-invalid,
.checkbox-group.is-invalid {
    padding: 0.75rem;
    border: 1px solid rgba(239, 68, 68, 0.45);
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.08);
}

.checkout-form-select--compact,
.form-select--compact {
    padding: 0.55rem 0.75rem;
    font-size: 0.9rem;
}

/* =============================================================================
   Alerts
   ============================================================================= */

.checkout-alert,
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.checkout-alert-error,
.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--checkout-error);
    color: var(--checkout-error);
}

.checkout-alert-warning,
.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: #fef3c7;
}

.checkout-alert-link,
.alert-link {
    color: var(--checkout-primary);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.checkout-inline-alert {
    margin-top: 0.5rem;
}

/* =============================================================================
   Order Summary
   ============================================================================= */

.checkout-order-summary,
.order-summary {
    position: sticky;
    top: 2rem;
}

.checkout-product-row,
.product-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--checkout-border);
}

.checkout-product-name,
.product-name {
    font-weight: 600;
}

.checkout-product-unit-price,
.product-unit-price {
    color: var(--checkout-text-secondary);
    font-size: 0.875rem;
}

.checkout-quantity-selector,
.quantity-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkout-quantity-selector button,
.quantity-selector button {
    width: 32px;
    height: 32px;
    border: 1px solid var(--checkout-border);
    background: var(--checkout-bg-dark);
    color: var(--checkout-text-primary);
    border-radius: 6px;
    cursor: pointer;
}

.checkout-quantity-selector button:hover,
.quantity-selector button:hover {
    border-color: var(--checkout-primary);
}

.checkout-quantity-value,
.quantity-value {
    width: 40px;
    text-align: center;
}

.checkout-totals-row,
.totals-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    color: var(--checkout-text-secondary);
}

.checkout-totals-row.discount,
.totals-row.discount {
    color: var(--checkout-success);
}

.checkout-totals-row.total,
.totals-row.total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--checkout-text-primary);
    padding-top: 1rem;
    border-top: 1px solid var(--checkout-border);
    margin-top: 0.5rem;
}

.checkout-order-summary__totals,
.order-summary__totals {
    padding: 1rem 0;
}

/* =============================================================================
   Discount Form
   ============================================================================= */

.checkout-discount-form,
.discount-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.checkout-discount-form input,
.discount-form input {
    flex: 1;
}

.checkout-discount-form button,
.discount-form button {
    padding: 0.75rem 1rem;
    background: var(--checkout-bg-dark);
    border: 1px solid var(--checkout-border);
    color: var(--checkout-text-primary);
    border-radius: 8px;
    cursor: pointer;
}

.checkout-discount-form button:hover,
.discount-form button:hover {
    border-color: var(--checkout-primary);
}

.checkout-discount-result,
.discount-result {
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

.checkout-discount-result.success,
.discount-result.success {
    color: var(--checkout-success);
}

.checkout-discount-result.error,
.discount-result.error {
    color: var(--checkout-error);
}

/* =============================================================================
   Voucher Section
   ============================================================================= */

.checkout-voucher-section,
.order-summary__voucher {
    margin-top: 1rem;
    padding: 0.85rem 0.95rem;
    background: rgba(3, 30, 71, 0.55);
    border: 1px solid rgba(0, 223, 122, 0.18);
    border-radius: 12px;
}

.checkout-voucher-label,
.order-summary__voucher-label {
    font-size: 0.85rem;
    color: var(--checkout-text-secondary);
    margin-bottom: 0.5rem;
}

.checkout-voucher-note,
.order-summary__voucher-note {
    margin-top: 0.5rem;
    font-size: 0.78rem;
    color: rgba(148, 163, 184, 0.85);
}

.checkout-voucher-badge,
.order-summary__voucher-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.6rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(0, 223, 122, 0.12);
    color: var(--checkout-primary);
    border: 1px solid rgba(0, 223, 122, 0.25);
}

/* =============================================================================
   Card Container (Square Payment)
   ============================================================================= */

.checkout-card-container,
#card-container {
    min-height: 80px;
    padding: 1rem;
    border: 1px solid var(--checkout-border);
    border-radius: 8px;
    background: var(--checkout-bg-dark);
}

.checkout-payment-card-shell,
.payment-card-shell {
    background: #ffffff;
    padding: 1rem;
    border-radius: 8px;
    min-height: 100px;
    position: relative;
}

.checkout-payment-loading-copy,
.payment-loading-copy {
    color: #6b7280;
    text-align: center;
}

/* =============================================================================
   Checkboxes
   ============================================================================= */

.checkout-checkbox-group,
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.checkout-checkbox-group input[type="checkbox"],
.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.checkout-checkbox-group label,
.checkbox-group label {
    font-size: 0.875rem;
    color: var(--checkout-text-secondary);
}

.checkout-checkbox-group a,
.checkbox-group a {
    color: var(--checkout-primary);
}

/* =============================================================================
   Buttons
   ============================================================================= */

.checkout-btn-primary,
.btn-primary {
    width: 100%;
    padding: 1rem;
    background: var(--checkout-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.checkout-btn-primary:hover,
.btn-primary:hover {
    background: var(--checkout-primary-dark);
}

.checkout-btn-primary:disabled,
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =============================================================================
   Status Messages
   ============================================================================= */

.checkout-status,
.checkout-status--error,
.checkout-status--success {
    margin-top: 1rem;
    margin-bottom: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    line-height: 1.5;
}

.checkout-status[hidden] {
    display: none;
}

.checkout-status--error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fecaca;
}

.checkout-status--success {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #d1fae5;
}

/* =============================================================================
   Secure Badge
   ============================================================================= */

.checkout-secure-badge,
.secure-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: var(--checkout-text-secondary);
    font-size: 0.75rem;
}

/* =============================================================================
   Helper Text
   ============================================================================= */

.checkout-helper-text {
    margin-top: 0.5rem;
    color: var(--checkout-text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* =============================================================================
   International Shipping Notice
   ============================================================================= */

.checkout-international-notice,
.international-notice {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.checkout-international-notice .notice-content,
.international-notice .notice-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: #fbbf24;
}

.checkout-international-notice .notice-content svg,
.international-notice .notice-content svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.checkout-international-notice .notice-content span,
.international-notice .notice-content span {
    font-size: 0.875rem;
    line-height: 1.5;
}

/* =============================================================================
   Modals (International & Pricing Confirmation)
   ============================================================================= */

.checkout-modal-overlay,
.intl-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

body.checkout-modal-open {
    overflow: hidden;
}

.checkout-modal-overlay.active,
.intl-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.checkout-modal,
.intl-modal {
    background: var(--checkout-bg-card);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 16px;
    padding: 2rem;
    max-width: 480px;
    width: 90%;
    transform: scale(0.9) translateY(-20px);
    transition: transform 0.3s ease;
    text-align: center;
}

.checkout-modal-overlay.active .checkout-modal,
.intl-modal-overlay.active .intl-modal {
    transform: scale(1) translateY(0);
}

.checkout-modal-icon,
.intl-modal-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: rgba(245, 158, 11, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fbbf24;
}

.checkout-modal-title,
.intl-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--checkout-text-primary);
    margin-bottom: 1rem;
}

.checkout-modal-text,
.intl-modal-text {
    color: var(--checkout-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.checkout-modal-text strong,
.intl-modal-text strong {
    color: #fbbf24;
}

.checkout-modal-buttons,
.intl-modal-buttons {
    display: flex;
    gap: 1rem;
}

.checkout-modal-buttons button,
.intl-modal-buttons button {
    flex: 1;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.checkout-modal-cancel,
.intl-modal-cancel {
    background: transparent;
    border: 1px solid var(--checkout-border);
    color: var(--checkout-text-secondary);
}

.checkout-modal-cancel:hover,
.intl-modal-cancel:hover {
    border-color: var(--checkout-text-secondary);
    color: var(--checkout-text-primary);
}

.checkout-modal-accept,
.intl-modal-accept {
    background: var(--checkout-primary);
    border: none;
    color: #0a0a1a;
}

.checkout-modal-accept:hover,
.intl-modal-accept:hover {
    background: var(--checkout-primary-dark);
}

/* =============================================================================
   Pricing Confirmation Modal (Specific Styles)
   ============================================================================= */

.checkout-pricing-confirmation-card,
.pricing-confirmation-card {
    border-color: rgba(0, 223, 122, 0.35);
    text-align: left;
}

.checkout-pricing-confirmation-card .checkout-modal-icon,
.pricing-confirmation-card .intl-modal-icon {
    background: rgba(0, 223, 122, 0.15);
    color: var(--checkout-primary);
}

.checkout-pricing-confirmation-title,
.pricing-confirmation-title,
.checkout-pricing-confirmation-copy,
.pricing-confirmation-copy {
    text-align: center;
}

.checkout-pricing-confirmation-copy,
.pricing-confirmation-copy {
    margin-bottom: 1rem;
}

.checkout-pricing-confirmation-summary,
.pricing-confirmation-summary {
    border: 1px solid var(--checkout-border);
    border-radius: 12px;
    padding: 1rem;
    background: rgba(3, 30, 71, 0.35);
    margin-bottom: 1rem;
}

.checkout-pricing-confirmation-summary .checkout-totals-row,
.pricing-confirmation-summary .totals-row {
    padding: 0.35rem 0;
}

.checkout-pricing-confirmation-summary .checkout-totals-row span:last-child,
.pricing-confirmation-summary .totals-row span:last-child,
.checkout-pricing-confirmation-highlight,
.pricing-confirmation-highlight {
    color: var(--checkout-text-primary);
    font-weight: 600;
}

.checkout-pricing-confirmation-summary .checkout-totals-row.total,
.pricing-confirmation-summary .totals-row.total {
    margin: 0.75rem 0 0;
    padding-top: 0.75rem;
}

.checkout-pricing-confirmation-consent,
.pricing-confirmation-consent {
    margin: 0 0 1.25rem;
}

/* =============================================================================
   Page Content Layout
   ============================================================================= */

.checkout-page-content {
    padding-top: calc(var(--header-height, 100px) + 2rem);
    padding-bottom: 4rem;
}

.checkout-page-header {
    text-align: center;
    margin-bottom: 2rem;
}

/* =============================================================================
   Kit Assignment Page (assign-kits.php)
   ============================================================================= */

.checkout-assign-page,
.assign-page {
    min-height: 100vh;
    padding: 6rem 1rem 4rem;
}

.checkout-assign-container,
.assign-container {
    max-width: 800px;
    margin: 0 auto;
}

.checkout-success-banner,
.success-banner {
    background: rgba(0, 223, 122, 0.1);
    border: 1px solid var(--checkout-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.checkout-success-banner h2,
.success-banner h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--checkout-primary);
    margin-bottom: 0.5rem;
}

.checkout-success-banner p,
.success-banner p {
    color: var(--checkout-text-secondary);
    font-size: 0.95rem;
}

.checkout-kit-assignment-card,
.kit-assignment-card {
    background: var(--checkout-bg-card);
    border: 1px solid var(--checkout-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.checkout-kit-assignment-header,
.kit-assignment-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.checkout-kit-number,
.kit-number {
    width: 40px;
    height: 40px;
    background: var(--checkout-primary);
    color: var(--checkout-bg-dark);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.checkout-kit-assignment-header h3,
.kit-assignment-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.checkout-kit-assignment-header p,
.kit-assignment-header p {
    font-size: 0.8rem;
    color: var(--checkout-text-secondary);
}

.checkout-assign-page-header,
.assign-page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.checkout-assign-page-footer-note,
.assign-page-footer-note {
    text-align: center;
    margin-top: 2rem;
    color: var(--checkout-text-secondary);
    font-size: 0.85rem;
}

.checkout-profile-select-grid,
.profile-select-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
}

.checkout-profile-select-option,
.profile-select-option {
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.checkout-profile-select-option:hover,
.profile-select-option:hover {
    background: rgba(10, 42, 92, 0.7);
    border-color: var(--checkout-border);
}

.checkout-profile-select-option.selected,
.profile-select-option.selected {
    background: rgba(0, 223, 122, 0.15);
    border-color: var(--checkout-primary);
}

.checkout-profile-select-option input[type="radio"],
.profile-select-option input[type="radio"] {
    display: none;
}

.checkout-profile-avatar-small,
.profile-avatar-small {
    width: 40px;
    height: 40px;
    background: rgba(0, 223, 122, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--checkout-primary);
    font-weight: 600;
    font-size: 0.85rem;
    margin: 0 auto 0.5rem;
}

.checkout-profile-select-option.selected .checkout-profile-avatar-small,
.profile-select-option.selected .profile-avatar-small {
    background: var(--checkout-primary);
    color: var(--checkout-bg-dark);
}

.checkout-profile-select-option h4,
.profile-select-option h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
}

.checkout-profile-select-option p,
.profile-select-option p {
    font-size: 0.7rem;
    color: var(--checkout-text-secondary);
}

.checkout-new-profile-option,
.new-profile-option {
    border-style: dashed;
    border-color: var(--checkout-border);
}

.checkout-new-profile-option .checkout-profile-avatar-small,
.new-profile-option .profile-avatar-small {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.checkout-new-profile-form,
.new-profile-form {
    display: none;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.checkout-new-profile-form.show,
.new-profile-form.show {
    display: block;
}

.checkout-page-actions,
.page-actions {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.checkout-page-actions .btn,
.page-actions .btn {
    flex: 1;
    min-width: 200px;
}

/* =============================================================================
   Order Confirmation Page (confirm.php)
   ============================================================================= */

.checkout-confirm-main,
.confirm-main {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 1rem 4rem;
    position: relative;
    z-index: 1;
}

.checkout-confirm-container,
.confirm-container {
    width: 100%;
    max-width: 550px;
}

.checkout-confirm-card,
.confirm-card {
    background: var(--checkout-bg-card);
    border: 1px solid var(--checkout-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.checkout-success-icon,
.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--checkout-primary) 0%, var(--checkout-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 32px var(--checkout-primary-glow);
}

.checkout-success-icon svg,
.success-icon svg {
    width: 40px;
    height: 40px;
    color: #0a0a1a;
    stroke-width: 3;
}

.checkout-confirm-header,
.confirm-header {
    text-align: center;
    margin-bottom: 2rem;
}

.checkout-confirm-header h1,
.confirm-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--checkout-primary) 0%, #00ffcc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.checkout-confirm-header p,
.confirm-header p {
    color: var(--checkout-text-secondary);
    font-size: 0.9rem;
}

.checkout-order-number-box,
.order-number-box {
    text-align: center;
    padding: 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.checkout-order-number-label,
.order-number-label {
    font-size: 0.75rem;
    color: var(--checkout-text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.checkout-order-number-value,
.order-number-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    background: linear-gradient(135deg, var(--checkout-primary) 0%, #00ffcc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.checkout-order-summary,
.order-summary {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
}

.checkout-summary-row,
.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--checkout-text-primary);
}

.checkout-summary-row:last-child,
.summary-row:last-child {
    border-bottom: none;
}

.checkout-summary-row.total,
.summary-row.total {
    font-weight: 600;
    font-size: 1.1rem;
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--checkout-border);
    border-bottom: none;
}

.checkout-item-name,
.item-name {
    color: var(--checkout-text-primary);
    font-weight: 500;
}

.checkout-item-qty,
.item-qty {
    color: var(--checkout-text-secondary);
    font-size: 0.875rem;
    margin-left: 0.5rem;
}

.checkout-item-price,
.item-price {
    color: var(--checkout-text-primary);
    font-weight: 500;
}

.checkout-discount-row,
.discount-row {
    color: var(--checkout-primary);
}

.checkout-account-status-banner,
.account-status-banner {
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.checkout-account-status-banner.new-account,
.account-status-banner.new-account {
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.35);
    color: #dbeafe;
}

.checkout-account-status-banner.returning-account,
.account-status-banner.returning-account {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: #fef3c7;
}

.checkout-next-steps-card,
.next-steps-card {
    background: var(--checkout-bg-card);
    border: 1px solid var(--checkout-border);
    border-radius: 20px;
    padding: 2rem;
    margin-top: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.checkout-next-steps-title,
.next-steps-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--checkout-text-primary);
    margin-bottom: 1.25rem;
}

.checkout-next-steps-list,
.next-steps-list {
    text-align: left;
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.checkout-next-steps-list li,
.next-steps-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem 0;
    color: var(--checkout-text-secondary);
    font-size: 0.9rem;
}

.checkout-step-number,
.step-number {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--checkout-primary) 0%, var(--checkout-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: #0a0a1a;
}

.checkout-btn-dashboard,
.btn-dashboard {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--checkout-primary) 0%, var(--checkout-primary-dark) 100%);
    border: none;
    border-radius: 10px;
    color: #0a0a1a;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.checkout-btn-dashboard:hover,
.btn-dashboard:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--checkout-primary-glow);
}

.checkout-existing-customer-login,
.existing-customer-login {
    text-align: left;
}

.checkout-existing-customer-login__field,
.existing-customer-login__field {
    margin-bottom: 1rem;
}

.checkout-existing-customer-login__label,
.existing-customer-login__label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--checkout-text-secondary);
    font-size: 0.9rem;
}

.checkout-existing-customer-login__input,
.existing-customer-login__input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--checkout-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--checkout-text-primary);
    font-size: 1rem;
}

.checkout-existing-customer-login__help,
.existing-customer-login__help {
    text-align: center;
    margin-top: 1rem;
}

.checkout-existing-customer-login__help a,
.existing-customer-login__help a {
    color: var(--checkout-primary);
    text-decoration: none;
    font-size: 0.875rem;
}

.checkout-support-text,
.support-text {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--checkout-text-secondary);
    font-size: 0.875rem;
}

.checkout-support-text a,
.support-text a {
    color: var(--checkout-primary);
    text-decoration: none;
    font-weight: 500;
}

.checkout-support-text a:hover,
.support-text a:hover {
    text-decoration: underline;
}

/* =============================================================================
   Responsive Breakpoints
   ============================================================================= */

@media (max-width: 900px) {
    .checkout-grid {
        grid-template-columns: 1fr;
    }

    .checkout-order-summary,
    .order-summary {
        position: static;
        top: auto;
    }
}

@media (max-width: 768px) {
    .checkout-nav {
        padding: 0.875rem 1rem;
    }

    .checkout-nav__inner {
        gap: 0.75rem;
        flex-wrap: wrap;
    }

    .checkout-nav__back {
        font-size: 0.8125rem;
    }

    .checkout-container {
        width: min(calc(100% - 2rem), var(--container-max, 1200px));
    }

    .checkout-page-content {
        padding-top: calc(var(--header-height, 100px) + 1.25rem);
        padding-bottom: 2.5rem;
    }

    .checkout-header h1 {
        font-size: 1.625rem;
    }

    .checkout-card,
    .card {
        padding: 1.25rem;
    }

    .checkout-form-row,
    .form-row,
    .checkout-phone-row {
        grid-template-columns: 1fr;
    }

    .checkout-product-row,
    .product-row {
        align-items: flex-start;
        gap: 0.875rem;
        flex-direction: column;
    }

    .checkout-quantity-selector,
    .quantity-selector {
        align-self: stretch;
        justify-content: flex-start;
    }

    .checkout-discount-form,
    .discount-form,
    .checkout-modal-buttons,
    .intl-modal-buttons {
        flex-direction: column;
    }

    .checkout-discount-form button,
    .discount-form button,
    .checkout-modal-buttons button,
    .intl-modal-buttons button {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .checkout-nav__logo {
        height: 32px;
    }

    .checkout-header {
        margin-bottom: 1.5rem;
    }

    .checkout-header h1 {
        font-size: 1.45rem;
    }

    .checkout-card-title,
    .card-title {
        margin-bottom: 1.125rem;
    }

    .checkout-voucher-section,
    .order-summary__voucher {
        padding: 0.75rem 0.85rem;
    }

    .checkout-totals-row,
    .totals-row,
    .checkout-summary-row,
    .summary-row {
        gap: 0.625rem;
        align-items: flex-start;
    }

    .checkout-modal,
    .intl-modal {
        width: calc(100% - 1.5rem);
        padding: 1.5rem 1rem;
    }

    /* Assign page responsive */
    .checkout-assign-page,
    .assign-page {
        padding: calc(var(--header-height, 72px) + 1.5rem) 0.875rem 3rem;
    }

    .checkout-success-banner,
    .success-banner,
    .checkout-kit-assignment-card,
    .kit-assignment-card {
        padding: 1.125rem;
    }

    .checkout-success-banner h2,
    .success-banner h2 {
        font-size: 1.3rem;
    }

    .checkout-assign-page-header,
    .assign-page-header {
        margin-bottom: 1.5rem;
    }

    .checkout-kit-assignment-header,
    .kit-assignment-header {
        align-items: flex-start;
    }

    .checkout-profile-select-grid,
    .profile-select-grid,
    .checkout-form-row,
    .form-row {
        grid-template-columns: 1fr;
    }

    .checkout-page-actions,
    .page-actions {
        flex-direction: column;
    }

    .checkout-page-actions .btn,
    .page-actions .btn {
        width: 100%;
        min-width: 0;
    }

    /* Confirm page responsive */
    .checkout-confirm-main,
    .confirm-main {
        align-items: flex-start;
        padding: calc(var(--header-height, 72px) + 1.5rem) 0.875rem 3rem;
    }

    .checkout-confirm-card,
    .confirm-card,
    .checkout-next-steps-card,
    .next-steps-card {
        padding: 1.5rem 1.125rem;
        border-radius: 16px;
    }

    .checkout-confirm-header h1,
    .confirm-header h1 {
        font-size: 1.5rem;
    }

    .checkout-order-number-value,
    .order-number-value {
        font-size: 1.15rem;
        line-height: 1.35;
        word-break: break-word;
    }

    .checkout-summary-row,
    .summary-row {
        gap: 0.5rem;
        align-items: flex-start;
        flex-direction: column;
    }

    .checkout-item-qty,
    .item-qty {
        display: block;
        margin-left: 0;
        margin-top: 0.25rem;
    }

    .checkout-next-steps-list li,
    .next-steps-list li {
        gap: 0.75rem;
    }

    .checkout-btn-dashboard,
    .btn-dashboard {
        min-height: 52px;
    }
}

@media (max-width: 480px) {
    .checkout-container {
        width: calc(100% - 1.75rem);
    }

    .checkout-nav {
        padding-inline: 0.875rem;
    }

    .checkout-card,
    .card {
        padding: 1rem;
    }

    .checkout-form-input,
    .checkout-form-select,
    .form-input,
    .form-select,
    .checkout-btn-primary,
    .btn-primary {
        font-size: 16px;
    }

    .checkout-phone-row {
        gap: 0.75rem;
    }

    .checkout-voucher-badge,
    .order-summary__voucher-badge {
        width: 100%;
        justify-content: center;
    }

    /* Assign page */
    .checkout-assign-page,
    .assign-page {
        padding-inline: 0.75rem;
    }

    .checkout-kit-assignment-header,
    .kit-assignment-header {
        gap: 0.75rem;
    }

    .checkout-kit-number,
    .kit-number {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .checkout-profile-select-option,
    .profile-select-option,
    .checkout-page-actions .btn,
    .page-actions .btn {
        min-height: 52px;
    }

    /* Confirm page */
    .checkout-success-icon,
    .success-icon {
        width: 68px;
        height: 68px;
        margin-bottom: 1.25rem;
    }

    .checkout-success-icon svg,
    .success-icon svg {
        width: 34px;
        height: 34px;
    }

    .checkout-confirm-card,
    .confirm-card,
    .checkout-next-steps-card,
    .next-steps-card {
        padding-inline: 1rem;
    }

    .checkout-existing-customer-login__input,
    .existing-customer-login__input,
    .checkout-btn-dashboard,
    .btn-dashboard {
        font-size: 16px;
    }
}