/**
 * Bucksalc Unified Card Component System
 *
 * A modular, accessible card system based on audit findings from:
 * - Jobs module (gold standard for professional styling)
 * - Zonkey theme blocks (excellent modifier class approach)
 * - Document Library (sophisticated badge system)
 *
 * @version 1.0.0
 * @see CARD-AUDIT.md for full analysis
 */

/* ==============================================
   CSS CUSTOM PROPERTIES
   ============================================== */

:root {
    /* Structure */
    --card-border-radius: 8px;
    --card-border-radius-sm: 4px;
    --card-border-radius-lg: 12px;
    --card-padding: 1.5rem;
    --card-padding-sm: 1rem;
    --card-padding-lg: 2rem;
    --card-gap: 1.5rem;

    /* Colors */
    --card-bg: #ffffff;
    --card-border-color: #e0e0e0;
    --card-text-color: #333333;
    --card-text-muted: #666666;
    --card-link-color: var(--color-primary, #2E2766);
    --card-link-hover: var(--color-secondary, #E67E23);

    /* Shadows - Jobs module's subtle approach as default */
    --card-shadow-none: none;
    --card-shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --card-shadow: 0 2px 4px rgba(0,0,0,0.05);
    --card-shadow-md: 0 2px 4px rgba(0,0,0,0.1);
    --card-shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --card-shadow-xl: 0 10px 20px rgba(0,0,0,0.1), 0 6px 6px rgba(0,0,0,0.08);

    /* Hover Effects */
    --card-hover-shadow: var(--card-shadow-lg);
    --card-hover-lift: -2px;
    --card-hover-lift-lg: -4px;
    --card-hover-scale: 1.05;

    /* Transitions */
    --transition-speed: 0.3s;
    --transition-easing: ease;

    /* Media */
    --card-media-bg: #f3f4f6;
    --card-media-ratio-16-9: 56.25%;
    --card-media-ratio-4-3: 75%;
    --card-media-ratio-1-1: 100%;
    --card-media-ratio-21-9: 42.857%;

    /* States */
    --card-inactive-opacity: 0.7;
    --card-expired-bg: #f8f9fa;
    --card-expired-border: #dc3545;
    --card-featured-border: var(--color-secondary, #E67E23);
}

/* ==============================================
   BASE CARD
   ============================================== */

.bucksalc-card {
    /* Structure */
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;

    /* Visual */
    background: var(--card-bg);
    border: 1px solid var(--card-border-color);
    border-radius: var(--card-border-radius);
    box-shadow: var(--card-shadow);

    /* Spacing */
    /* No padding on card itself - padding is on card__body */

    /* Interaction */
    transition: all var(--transition-speed) var(--transition-easing);

    /* Layout */
    height: 100%;
}

/* ==============================================
   VISUAL STYLE MODIFIERS
   ============================================== */

/* Border Radius */
.bucksalc-card--rounded-none {
    border-radius: 0;
}

.bucksalc-card--rounded-sm {
    border-radius: var(--card-border-radius-sm);
}

.bucksalc-card--rounded-lg {
    border-radius: var(--card-border-radius-lg);
}

/* Shadow Variants */
.bucksalc-card--shadow-none {
    box-shadow: var(--card-shadow-none);
}

.bucksalc-card--shadow-sm {
    box-shadow: var(--card-shadow-sm);
}

.bucksalc-card--shadow-md {
    box-shadow: var(--card-shadow-md);
}

.bucksalc-card--shadow-lg {
    box-shadow: var(--card-shadow-lg);
}

.bucksalc-card--shadow-xl {
    box-shadow: var(--card-shadow-xl);
}

/* Border Variants */
.bucksalc-card--bordered {
    border-width: 2px;
}

.bucksalc-card--borderless {
    border: none;
}

.bucksalc-card--outlined {
    background: transparent;
    border: 2px solid var(--card-border-color);
}

/* ==============================================
   INTERACTIVE MODIFIERS
   ============================================== */

/* Hover: Lift Effect (Default - Jobs module style) */
.bucksalc-card--hover-lift:hover {
    transform: translateY(var(--card-hover-lift));
    box-shadow: var(--card-hover-shadow);
}

/* Hover: Dramatic Lift (Zonkey style) */
.bucksalc-card--hover-lift-lg:hover {
    transform: translateY(var(--card-hover-lift-lg));
    box-shadow: var(--card-shadow-xl);
}

/* Hover: Shadow Only (Plugin style) */
.bucksalc-card--hover-shadow:hover {
    box-shadow: var(--card-hover-shadow);
}

/* Hover: Image Zoom (Zonkey feature) */
.bucksalc-card--hover-zoom:hover .bucksalc-card__media-image,
.bucksalc-card--hover-zoom:hover .bucksalc-card__media img {
    transform: scale(var(--card-hover-scale));
}

/* Clickable Card (Member Benefits style) */
.bucksalc-card--clickable {
    cursor: pointer;
}

.bucksalc-card--clickable .bucksalc-card__overlay-link {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    text-indent: -9999px;
    overflow: hidden;
}

.bucksalc-card--clickable .bucksalc-card__overlay-link:focus {
    outline: 2px solid var(--card-link-color);
    outline-offset: -2px;
}

/* Ensure content is above overlay */
.bucksalc-card--clickable .bucksalc-card__body {
    position: relative;
    z-index: 0;
}

/* ==============================================
   LAYOUT MODIFIERS
   ============================================== */

/* Horizontal Card */
.bucksalc-card--horizontal {
    flex-direction: row;
}

.bucksalc-card--horizontal .bucksalc-card__media {
    flex: 0 0 40%;
    padding-bottom: 0;
    height: auto;
}

.bucksalc-card--horizontal .bucksalc-card__body {
    flex: 1;
}

/* Padding Variants */
.bucksalc-card--compact {
    padding: var(--card-padding-sm);
}

.bucksalc-card--compact .bucksalc-card__body {
    padding: var(--card-padding-sm);
}

.bucksalc-card--spacious {
    padding: var(--card-padding-lg);
}

.bucksalc-card--spacious .bucksalc-card__body {
    padding: var(--card-padding-lg);
}

/* No Padding (Media Full Bleed) */
.bucksalc-card--no-padding {
    padding: 0;
}

.bucksalc-card--no-padding .bucksalc-card__body {
    padding: var(--card-padding);
}

/* ==============================================
   STATE MODIFIERS
   ============================================== */

/* Inactive/Expired State (Jobs module) */
.bucksalc-card--inactive {
    opacity: var(--card-inactive-opacity);
    background: #fafafa;
}

.bucksalc-card--expired {
    background: var(--card-expired-bg);
    border-color: var(--card-expired-border);
    border-width: 2px;
}

/* Featured State */
.bucksalc-card--featured {
    border: 2px solid var(--card-featured-border);
    box-shadow: var(--card-shadow-lg);
}

/* Disabled State */
.bucksalc-card--disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

/* ==============================================
   CARD ANATOMY - MEDIA
   ============================================== */

.bucksalc-card__media {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--card-media-bg);
    flex-shrink: 0;
}

/* Aspect Ratio Variants */
.bucksalc-card__media--16-9 {
    padding-bottom: var(--card-media-ratio-16-9);
}

.bucksalc-card__media--4-3 {
    padding-bottom: var(--card-media-ratio-4-3);
}

.bucksalc-card__media--1-1 {
    padding-bottom: var(--card-media-ratio-1-1);
}

.bucksalc-card__media--21-9 {
    padding-bottom: var(--card-media-ratio-21-9);
}

/* Fixed Height Variants (Member Benefits style) */
.bucksalc-card__media--fixed-sm {
    height: 120px;
    padding-bottom: 0;
}

.bucksalc-card__media--fixed {
    height: 150px;
    padding-bottom: 0;
}

.bucksalc-card__media--fixed-lg {
    height: 200px;
    padding-bottom: 0;
}

/* Media Image (Background variant) */
.bucksalc-card__media-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform var(--transition-speed) var(--transition-easing);
}

/* Media Image (IMG tag variant) */
.bucksalc-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) var(--transition-easing);
}

.bucksalc-card__media--contain img {
    object-fit: contain;
}

/* Media Icon/Placeholder */
.bucksalc-card__media-icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #ccc;
}

.bucksalc-card__media-icon--gradient {
    background: linear-gradient(135deg, var(--color-primary, #667eea) 0%, var(--color-secondary, #764ba2) 100%);
}

.bucksalc-card__media-icon--gradient svg,
.bucksalc-card__media-icon--gradient .icon {
    color: #fff;
}

/* ==============================================
   CARD ANATOMY - BODY
   ============================================== */

.bucksalc-card__body {
    padding: var(--card-padding);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* When card has no padding (full bleed media) */
.bucksalc-card--no-padding .bucksalc-card__body {
    padding: var(--card-padding);
}

/* Title */
.bucksalc-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    line-height: 1.3;
    color: var(--card-text-color);
}

.bucksalc-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

.bucksalc-card__title a:hover {
    color: var(--card-link-hover);
}

/* Meta Information (Jobs module pattern) */
.bucksalc-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--card-border-color);
    font-size: 0.875rem;
    color: var(--card-text-muted);
}

.bucksalc-card__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.bucksalc-card__meta-item svg {
    flex-shrink: 0;
    opacity: 0.7;
}

/* Content/Excerpt */
.bucksalc-card__content {
    margin-bottom: 1rem;
    flex-grow: 1;
    font-size: 0.938rem;
    line-height: 1.6;
    color: var(--card-text-muted);
}

.bucksalc-card__content p {
    margin: 0 0 0.75rem 0;
}

.bucksalc-card__content p:last-child {
    margin-bottom: 0;
}

/* Footer/CTA Area */
.bucksalc-card__footer {
    margin-top: auto;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Count Badge (Category/Tag blocks) */
.bucksalc-card__count {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--card-text-muted);
    margin-bottom: 1rem;
}

/* ==============================================
   ACCESSIBILITY
   ============================================== */

/* Focus States */
.bucksalc-card:focus-within {
    outline: 2px solid var(--card-link-color);
    outline-offset: 2px;
}

.bucksalc-card__title a:focus,
.bucksalc-card__overlay-link:focus {
    outline: 2px solid var(--card-link-color);
    outline-offset: 2px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .bucksalc-card,
    .bucksalc-card__media-image,
    .bucksalc-card__media img,
    .bucksalc-card__title a {
        transition: none !important;
    }

    .bucksalc-card--hover-lift:hover,
    .bucksalc-card--hover-lift-lg:hover {
        transform: none !important;
    }

    .bucksalc-card--hover-zoom:hover .bucksalc-card__media-image,
    .bucksalc-card--hover-zoom:hover .bucksalc-card__media img {
        transform: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .bucksalc-card {
        border-width: 2px;
    }

    .bucksalc-card__title a:hover {
        text-decoration: underline;
    }
}

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

/* Tablet */
@media (max-width: 768px) {
    :root {
        --card-padding: 1.25rem;
    }

    .bucksalc-card__title {
        font-size: 1.125rem;
    }

    .bucksalc-card__content {
        font-size: 0.875rem;
    }

    .bucksalc-card__meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .bucksalc-card--horizontal {
        flex-direction: column;
    }

    .bucksalc-card--horizontal .bucksalc-card__media {
        flex: 0 0 auto;
        padding-bottom: var(--card-media-ratio-16-9);
        height: 0;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --card-padding: 1rem;
    }

    .bucksalc-card__title {
        font-size: 1rem;
    }

    .bucksalc-card__footer {
        flex-direction: column;
    }

    .bucksalc-card__footer .btn {
        width: 100%;
        text-align: center;
    }
}