/**
 * EEZY Checkout Lightbox Styles
 *
 * WCAG 2.1 AA compliant - minimum 4.5:1 contrast ratios
 * Reuses CSS custom properties from billing-portal.css
 *
 * @package EEZY_Commerce_Suite
 * @subpackage Checkout
 * @since 1.1.0
 */

/* =========================================================================
   LIGHTBOX OVERLAY
   ========================================================================= */

.eezy-checkout-lightbox {
    --eezy-lb-primary: #2563eb;
    --eezy-lb-primary-hover: #1d4ed8;
    --eezy-lb-success: #16a34a;
    --eezy-lb-border: #e5e7eb;
    --eezy-lb-bg: #ffffff;
    --eezy-lb-bg-subtle: #f9fafb;
    --eezy-lb-text: #111827;
    --eezy-lb-text-secondary: #4b5563;
    --eezy-lb-muted: #6b7280;
    --eezy-lb-radius: 8px;
    --eezy-lb-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);

    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 100001;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--eezy-lb-text);
    line-height: 1.6;
}

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

/* =========================================================================
   BACKDROP
   ========================================================================= */

.eezy-checkout-lightbox__overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    animation: eezy-lb-fade-in 0.2s ease-out;
}

@keyframes eezy-lb-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* =========================================================================
   DIALOG
   ========================================================================= */

.eezy-checkout-lightbox__dialog {
    position: relative;
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--eezy-lb-bg);
    border-radius: 12px;
    box-shadow: var(--eezy-lb-shadow);
    animation: eezy-lb-scale-in 0.25s ease-out;
}

@keyframes eezy-lb-scale-in {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* =========================================================================
   HEADER
   ========================================================================= */

.eezy-checkout-lightbox__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 0;
}

.eezy-checkout-lightbox__plan-name {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--eezy-lb-text);
}

.eezy-checkout-lightbox__close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--eezy-lb-muted);
    padding: 4px 8px;
    border-radius: 4px;
    line-height: 1;
}

.eezy-checkout-lightbox__close:hover {
    background: var(--eezy-lb-bg-subtle);
    color: var(--eezy-lb-text);
}

.eezy-checkout-lightbox__close:focus-visible {
    outline: 2px solid var(--eezy-lb-primary);
    outline-offset: 2px;
}

/* =========================================================================
   BODY
   ========================================================================= */

.eezy-checkout-lightbox__body {
    padding: 20px 24px;
}

/* =========================================================================
   BILLING CYCLE TOGGLE
   ========================================================================= */

.eezy-checkout-lightbox__cycle-toggle {
    display: flex;
    background: var(--eezy-lb-bg-subtle);
    border: 1px solid var(--eezy-lb-border);
    border-radius: 6px;
    padding: 3px;
    margin-bottom: 20px;
}

.eezy-checkout-lightbox__cycle-btn {
    flex: 1;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--eezy-lb-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
    font-family: inherit;
}

.eezy-checkout-lightbox__cycle-btn:focus-visible {
    outline: 2px solid var(--eezy-lb-primary);
    outline-offset: -2px;
}

.eezy-checkout-lightbox__cycle-btn--active {
    background: var(--eezy-lb-bg);
    color: var(--eezy-lb-text);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* =========================================================================
   PRICE DISPLAY
   ========================================================================= */

.eezy-checkout-lightbox__price-display {
    text-align: center;
    margin-bottom: 8px;
}

.eezy-checkout-lightbox__price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--eezy-lb-text);
    line-height: 1.1;
}

.eezy-checkout-lightbox__period {
    font-size: 1rem;
    color: var(--eezy-lb-muted);
    margin-left: 4px;
}

/* =========================================================================
   SAVINGS BADGE
   ========================================================================= */

.eezy-checkout-lightbox__savings {
    text-align: center;
    margin-bottom: 16px;
}

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

.eezy-checkout-lightbox__savings-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #dcfce7;
    color: #166534;
}

/* =========================================================================
   FEATURES LIST
   ========================================================================= */

.eezy-checkout-lightbox__features {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--eezy-lb-bg-subtle);
    border-radius: var(--eezy-lb-radius);
}

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

.eezy-checkout-lightbox__features ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.eezy-checkout-lightbox__features li {
    padding: 4px 0;
    font-size: 0.875rem;
    color: var(--eezy-lb-text-secondary);
}

.eezy-checkout-lightbox__features li::before {
    content: "\2713";
    color: var(--eezy-lb-success);
    font-weight: 700;
    margin-right: 8px;
}

/* =========================================================================
   FORM FIELDS
   ========================================================================= */

.eezy-checkout-lightbox__field {
    margin-bottom: 14px;
}

.eezy-checkout-lightbox__field label {
    display: block;
    font-weight: 500;
    margin-bottom: 4px;
    font-size: 0.875rem;
    color: var(--eezy-lb-text);
}

.eezy-checkout-lightbox__field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--eezy-lb-border);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--eezy-lb-text);
    background: var(--eezy-lb-bg);
    transition: border-color 0.2s;
    font-family: inherit;
    box-sizing: border-box;
}

.eezy-checkout-lightbox__field input:focus {
    outline: none;
    border-color: var(--eezy-lb-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* =========================================================================
   ERROR NOTICE
   ========================================================================= */

.eezy-checkout-lightbox__error {
    padding: 10px 14px;
    border-radius: 6px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    font-size: 0.875rem;
    margin-bottom: 14px;
}

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

/* =========================================================================
   FOOTER
   ========================================================================= */

.eezy-checkout-lightbox__footer {
    padding: 0 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.eezy-checkout-lightbox__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    background: var(--eezy-lb-primary);
    color: #ffffff;
    transition: background-color 0.2s;
    font-family: inherit;
}

.eezy-checkout-lightbox__submit:hover {
    background: var(--eezy-lb-primary-hover);
}

.eezy-checkout-lightbox__submit:focus-visible {
    outline: 2px solid var(--eezy-lb-primary);
    outline-offset: 2px;
}

.eezy-checkout-lightbox__submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.eezy-checkout-lightbox__cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    color: var(--eezy-lb-muted);
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
}

.eezy-checkout-lightbox__cancel:hover {
    color: var(--eezy-lb-text);
    background: var(--eezy-lb-bg-subtle);
}

.eezy-checkout-lightbox__cancel:focus-visible {
    outline: 2px solid var(--eezy-lb-primary);
    outline-offset: 2px;
}

/* =========================================================================
   LOADING SPINNER
   ========================================================================= */

.eezy-checkout-lightbox__submit .eezy-lb-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: eezy-lb-spin 0.6s linear infinite;
    margin-right: 8px;
}

.eezy-checkout-lightbox--loading .eezy-lb-spinner {
    display: inline-block;
}

@keyframes eezy-lb-spin {
    to { transform: rotate(360deg); }
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 480px) {
    .eezy-checkout-lightbox__dialog {
        max-width: calc(100% - 32px);
        margin: 0 16px;
        max-height: calc(100vh - 32px);
    }

    .eezy-checkout-lightbox__price {
        font-size: 2rem;
    }
}