/* ==========================================================================
   Publications Grid Component
   ========================================================================== */

.csrc-publications-grid {
    --color-background: #ffffff;
    --color-surface: #f8f8fa;
    --color-primary: #2774AE;
    --color-primary-light: #5091cd;
    --color-secondary: #FFB300;
    --color-secondary-light: #FFD54F;
    --color-tertiary: #F2F2F2;
    --color-text-primary: #000000;
    --color-text-secondary: #000000;
    --color-text-tertiary: #000000;
    --color-border: rgba(0, 0, 0, 0.08);
    --color-card-shadow: rgba(0, 0, 0, 0.05);

    /* Typography */
    --font-family: var(--font-family-primary);
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --line-height-tight: 1.2;
    --line-height-base: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.02), 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.03), 0 4px 6px rgba(0, 0, 0, 0.02);

    /* Animation Timing */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

    font-family: var(--font-family);
    color: var(--color-text-primary);
    line-height: var(--line-height-base);
}

/* Full-bleed background */
.csrc-publications-grid--has-bg {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: var(--spacing-2xl) 0;
}

/* Container */
.csrc-publications-grid__container {
    max-width: var(--container-max-width, 76.5rem);
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Section Header */
.csrc-publications-grid__header {
    text-align: center;
    max-width: var(--wp--style--global--content-size, 650px);
    margin: 0 auto var(--spacing-2xl);
}

.csrc-publications-grid__heading {
    font-size: clamp(1.75rem, .911rem + 1.751vw, 2.25rem);
    font-weight: 700;
    line-height: 1.125;
    margin: 0;
}

.csrc-publications-grid__description {
    font-size: 1rem;
    line-height: 1.6;
    margin: var(--spacing-md) 0 0;
}

/* Books Grid - Flexbox with centered partial rows */
.csrc-publications-grid__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-xl);
    margin: 0 0 var(--spacing-2xl);
}

/* Book Card */
.csrc-publications-grid__book-card {
    background-color: var(--color-background);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    flex: 0 1 calc(33.333% - var(--spacing-xl));
    min-width: 300px;
    max-width: 360px;
}

/* Book Image Container */
.csrc-publications-grid__book-image {
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    height: 350px;
    background-color: #eff0f2 !important;
    position: relative;
}

/* Book Image */
.csrc-publications-grid__book-image img {
    width: 100% !important;
    height: 100% !important;
    display: block;
    object-fit: contain !important;
    object-position: center;
}

.csrc-publications-grid__book-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.csrc-publications-grid__book-title {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.3;
    margin: 0 0 4px 0;
}

/* Title Link Reset */
.csrc-publications-grid__book-title a {
    all: unset;
    cursor: pointer;
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: inline;
}

.csrc-publications-grid__book-title a:hover {
    color: #1a5a8a;
}

.csrc-publications-grid__book-title a:active {
    color: #4a7299;
}

.csrc-publications-grid__book-contributors {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.csrc-publications-grid__book-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
}

.csrc-publications-grid__book-excerpt {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.csrc-publications-grid__book-button {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    align-self: flex-start;
    margin-top: auto;
}

.csrc-publications-grid__book-button:hover {
    background-color: var(--color-primary);
    color: white;
}

.csrc-publications-grid__book-button svg {
    width: 16px;
    height: 16px;
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-normal);
}

.csrc-publications-grid__book-button:hover svg {
    transform: translateX(2px);
}

/* No Books Message */
.csrc-publications-grid__no-books {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    color: var(--color-text-secondary);
    grid-column: 1 / -1;
}

/* Animations — JS adds .is-animating to opt in (progressive enhancement) */
@keyframes pubGridFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.csrc-publications-grid__stagger-fade-in.is-animating > * {
    opacity: 0;
}

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

@media (min-width: 769px) and (max-width: 1199px) {
    .csrc-publications-grid__book-card {
        flex: 0 1 calc(50% - var(--spacing-xl));
        max-width: calc(50% - var(--spacing-xl));
    }
}

@media (min-width: 1200px) {
    .csrc-publications-grid__book-card {
        flex: 0 1 calc(33.333% - var(--spacing-xl));
    }
}

@media (max-width: 768px) {
    .csrc-publications-grid__grid {
        gap: var(--spacing-lg);
    }

    .csrc-publications-grid__book-card {
        flex: 0 1 100%;
        max-width: 100%;
        min-width: unset;
    }

    .csrc-publications-grid__book-image {
        height: 250px;
        overflow: hidden;
    }

    .csrc-publications-grid__book-image a {
        display: block;
        width: 100%;
        height: 100%;
    }

    .csrc-publications-grid__book-image img {
        width: 100% !important;
        height: 100% !important;
        object-fit: contain !important;
        object-position: center;
    }
}

/* ==========================================================================
   Theme CSS Guards - Protection against WordPress theme interference
   ========================================================================== */

.csrc-publications-grid__book-image a {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    background-color: transparent !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    color: inherit !important;
}

.csrc-publications-grid__book-image a,
.csrc-publications-grid__book-image a.csrc-image-link,
.csrc-publications-grid a:not(.csrc-publications-grid__book-button):not(.csrc-publications-grid__book-title a) {
    background-color: transparent !important;
    color: inherit !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.csrc-publications-grid__book-image a:hover,
.csrc-publications-grid__book-image a.csrc-image-link:hover,
.csrc-publications-grid a:not(.csrc-publications-grid__book-button):not(.csrc-publications-grid__book-title a):hover {
    background-color: transparent !important;
    color: inherit !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.csrc-publications-grid__book-image a:focus,
.csrc-publications-grid__book-image a.csrc-image-link:focus,
.csrc-publications-grid a:focus,
.csrc-publications-grid a[class]:focus,
.csrc-publications-grid a:focus-visible,
.csrc-publications-grid a[class]:focus-visible {
    background-color: transparent !important;
    color: inherit !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.csrc-publications-grid__book-image a:active,
.csrc-publications-grid__book-image a.csrc-image-link:active {
    background-color: transparent !important;
    color: inherit !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.csrc-publications-grid__book-image a:visited,
.csrc-publications-grid__book-image a.csrc-image-link:visited,
.csrc-publications-grid div.csrc-publications-grid__book-image a:visited {
    background-color: transparent !important;
    color: inherit !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

div.csrc-publications-grid div.csrc-publications-grid__book-image a:visited,
div.csrc-publications-grid div.csrc-publications-grid__book-image a:link,
div.csrc-publications-grid div.csrc-publications-grid__book-image a:hover,
div.csrc-publications-grid div.csrc-publications-grid__book-image a:active,
div.csrc-publications-grid div.csrc-publications-grid__book-image a,
.csrc-publications-grid .csrc-publications-grid__book-image a.csrc-image-link:visited,
.csrc-publications-grid .csrc-publications-grid__book-image a.csrc-image-link:link,
.csrc-publications-grid .csrc-publications-grid__book-image a.csrc-image-link:hover,
.csrc-publications-grid .csrc-publications-grid__book-image a.csrc-image-link:active,
.csrc-publications-grid .csrc-publications-grid__book-image a.csrc-image-link {
    color: inherit !important;
    background-color: transparent !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.csrc-publications-grid__book-image a[href]:visited,
.csrc-publications-grid__book-image a[href]:link,
.csrc-publications-grid__book-image a[href]:hover,
.csrc-publications-grid__book-image a[href]:active,
.csrc-publications-grid__book-image a[href] {
    color: inherit !important;
    background-color: transparent !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}