/**
 * SHARE Lab Publications - Frontend Styles
 * Based on SHARE Study Design System
 * 
 * Color Palette:
 * - Palette 1 (Primary Cyan): #84c9cb
 * - Palette 2 (Soft Blue): #a8ceeb
 * - Palette 3 (Soft Orange): #f8ce77
 * - Palette 4 (Dark Blue/Text): #013562
 * - Palette 5 (Link Blue): #6eabc7
 * - Palette 6 (Overlap Orange): #e4c176
 * - Palette 7 (Neutral Gray): #f5f5f5
 * - Palette 8 (Light Cyan): #e8f4f5
 * - Palette 9 (White): #ffffff
 * - Border Gray: #e5e7eb
 */

/* =========================================================================
   BASE & RESET
   ========================================================================= */

.slp-publications-archive,
.slp-featured-widget {
    font-family: 'Lexend', Verdana, Arial, Helvetica, sans-serif;
    color: #013562;
    line-height: 1.5;
    box-sizing: border-box;
}

.slp-publications-archive *,
.slp-publications-archive *::before,
.slp-publications-archive *::after,
.slp-featured-widget *,
.slp-featured-widget *::before,
.slp-featured-widget *::after {
    box-sizing: border-box;
}

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

.slp-header {
    background-color: #E8F4F5;
    padding: 64px 24px;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.slp-header-inner {
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 24px;
}

.slp-page-title {
    font-size: 36px;
    font-weight: 700;
    color: #013562;
    margin: 0 0 16px 0;
    line-height: 1.3;
}

.slp-page-description {
    font-size: 18px;
    font-weight: 400;
    color: #013562;
    opacity: 0.8;
    margin: 0;
    max-width: 800px;
    line-height: 1.6;
}

/* Responsive header */
@media (max-width: 1024px) {
    .slp-header {
        padding: 48px 24px;
    }
    
    .slp-page-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .slp-header {
        padding: 40px 24px;
    }
    
    .slp-page-title {
        font-size: 28px;
    }
    
    .slp-page-description {
        font-size: 16px;
    }
}

/* =========================================================================
   FILTER BAR
   ========================================================================= */

.slp-filter-bar {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 32px 24px;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.slp-filter-inner {
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.slp-filter-group {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.slp-filter-label {
    font-size: 16px;
    font-weight: 500;
    color: #013562;
}

.slp-filter-button {
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 200ms ease;
    min-height: 44px;
    border: 1px solid #e5e7eb;
    background-color: #ffffff;
    color: #013562;
}

.slp-filter-button:hover {
    background-color: #f5f5f5;
}

.slp-filter-button:focus {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}

.slp-filter-button.active {
    background-color: #84c9cb;
    color: #ffffff;
    border-color: #84c9cb;
}

.slp-filter-button.active:hover {
    background-color: #6bb8ba;
}

/* Year Filter Dropdown */
.slp-year-filter {
    padding: 12px 36px 12px 16px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 200ms ease;
    min-height: 44px;
    border: 1px solid #e5e7eb;
    background-color: #ffffff;
    color: #013562;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23013562' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.slp-year-filter:hover {
    background-color: #f5f5f5;
}

.slp-year-filter:focus {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}

/* Sort Dropdown */
.slp-sort-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.slp-sort-label {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: #013562 !important;
    margin: 0 !important;
    white-space: nowrap;
}

.slp-sort-select {
    padding: 10px 36px 10px 14px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    font-family: inherit !important;
    color: #013562 !important;
    background-color: #ffffff !important;
    border: 1px solid #e5e7eb !important;
    border-radius: 8px !important;
    cursor: pointer;
    min-height: 44px !important;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23013562' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: border-color 200ms ease, background-color 200ms ease;
}

.slp-sort-select:hover {
    background-color: #f5f5f5 !important;
}

.slp-sort-select:focus {
    outline: 2px solid #84c9cb !important;
    outline-offset: 2px !important;
}

.slp-results-count {
    font-size: 16px;
    font-weight: 400;
    color: #013562;
    opacity: 0.7;
}

/* Responsive filter bar */
@media (max-width: 768px) {
    .slp-filter-inner {
        flex-direction: column;
        align-items: stretch;
    }
    
    .slp-filter-group {
        width: 100%;
    }
    
    .slp-sort-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .slp-sort-select {
        flex: 1;
    }
    
    .slp-filter-button,
    .slp-year-filter {
        flex: 1;
        min-width: 0;
        text-align: center;
    }
    
    .slp-results-count {
        text-align: center;
    }
}

/* =========================================================================
   MAIN CONTENT AREA
   ========================================================================= */

.slp-main {
    max-width: 1152px;
    margin: 0 auto;
    padding: 80px 24px;
}

@media (max-width: 1024px) {
    .slp-main {
        padding: 60px 24px;
    }
}

@media (max-width: 768px) {
    .slp-main {
        padding: 40px 24px;
    }
}

/* =========================================================================
   PUBLICATIONS GRID
   ========================================================================= */

.slp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: stretch;
}

@media (max-width: 1024px) {
    .slp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .slp-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================================================
   PUBLICATION CARDS
   ========================================================================= */

.slp-card {
    background-color: #ffffff;
    border: 1px solid #84c9cb;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 200ms ease, transform 200ms ease;
    height: 100%;
}

.slp-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Hidden cards (for load more) */
.slp-card.slp-initially-hidden {
    display: none;
}

.slp-card.slp-initially-hidden.slp-visible {
    display: flex;
}

/* Filtered out cards */
.slp-card.slp-filtered-out {
    display: none !important;
}

/* Card Thumbnail - more compact */
.slp-card-thumbnail {
    height: 140px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.slp-placeholder-icon {
    color: #013562;
    opacity: 0.3;
}

/* Card Content - tighter spacing */
.slp-card-content {
    padding: 20px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    flex: 1;
}

.slp-year-badge {
    display: inline-block;
    padding: 4px 12px !important;
    background-color: #e8f4f5;
    color: #013562;
    font-size: 13px !important;
    font-weight: 500;
    border-radius: 16px;
    align-self: flex-start;
    margin: 0 0 4px 0 !important;
    line-height: 1.4 !important;
}

/* Title - 3 line clamp for archive */
.slp-card-title {
    font-size: 17px !important;
    font-weight: 700 !important;
    color: #013562 !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.35 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 3 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

/* Authors - 1 line clamp */
.slp-card-authors {
    font-size: 14px !important;
    font-weight: 400 !important;
    color: #013562 !important;
    opacity: 0.7;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 1 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.slp-card-journal {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: #6eabc7 !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.4 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

/* Abstract - 4 line clamp for archive */
.slp-card-abstract {
    font-size: 14px !important;
    font-weight: 400 !important;
    color: #013562 !important;
    opacity: 0.8;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.5 !important;
    flex: 1;
    display: -webkit-box !important;
    -webkit-line-clamp: 4 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

/* Card Actions - push to bottom */
.slp-card-actions {
    display: flex !important;
    align-items: center !important;
    gap: 20px !important;
    margin: auto 0 0 0 !important;
    padding: 12px 0 0 0 !important;
}

.slp-link-primary {
    font-size: 16px;
    font-weight: 500;
    color: #6eabc7;
    text-decoration: underline;
    transition: color 200ms ease;
}

.slp-link-primary:hover {
    color: #5a9ab5;
}

.slp-link-primary:focus {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}

.slp-link-secondary {
    font-size: 16px;
    font-weight: 500;
    color: #013562;
    opacity: 0.7;
    text-decoration: none;
    transition: opacity 200ms ease;
}

.slp-link-secondary:hover {
    opacity: 1;
}

.slp-link-secondary:focus {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}

/* =========================================================================
   EMPTY STATE
   ========================================================================= */

.slp-empty-state {
    text-align: center;
    padding: 80px 24px;
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
}

.slp-empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    color: #013562;
    opacity: 0.3;
}

.slp-empty-title {
    font-size: 20px;
    font-weight: 700;
    color: #013562;
    margin: 0 0 8px 0;
}

.slp-empty-description {
    font-size: 16px;
    color: #013562;
    opacity: 0.7;
    margin: 0 0 24px 0;
}

.slp-reset-button {
    padding: 12px 24px;
    background-color: #e8f4f5;
    color: #013562;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 200ms ease;
    min-height: 44px;
}

.slp-reset-button:hover {
    background-color: #d4eced;
}

.slp-reset-button:focus {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}

/* =========================================================================
   LOAD MORE BUTTON
   ========================================================================= */

.slp-load-more-container {
    margin-top: 48px;
    text-align: center;
}

.slp-load-more-button {
    padding: 16px 32px;
    background-color: #ffffff;
    color: #013562;
    border: 2px solid #84c9cb;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    min-height: 44px;
    transition: all 200ms ease;
}

.slp-load-more-button:hover {
    background-color: #f5f5f5;
}

.slp-load-more-button:focus {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}

/* =========================================================================
   FEATURED WIDGET (Homepage)
   ========================================================================= */

.slp-featured-widget {
    padding: 0;
}

.slp-featured-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.slp-featured-title {
    font-size: 30px;
    font-weight: 700;
    color: #013562;
    margin: 0;
    line-height: 1.3;
}

.slp-featured-button {
    padding: 12px 24px;
    background-color: #84c9cb;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    min-height: 44px;
    transition: background-color 200ms ease;
    display: inline-flex;
    align-items: center;
}

.slp-featured-button:hover {
    background-color: #6bb8ba;
    color: #ffffff;
}

.slp-featured-button:focus {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}

/* Featured Grid - equal height cards */
.slp-featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: stretch;
}

@media (max-width: 1024px) {
    .slp-featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .slp-featured-title {
        font-size: 26px;
    }
}

@media (max-width: 768px) {
    .slp-featured-grid {
        grid-template-columns: 1fr;
    }
    
    .slp-featured-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .slp-featured-title {
        font-size: 24px;
    }
    
    .slp-featured-button {
        justify-content: center;
    }
}

/* Featured Cards - consistent with archive cards */
.slp-featured-card {
    background-color: #ffffff;
    border: 1px solid #84c9cb;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 200ms ease, transform 200ms ease;
    height: 100%;
}

.slp-featured-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Highlighted First Featured Card */
.slp-featured-card--highlight {
    border: 2px solid #84c9cb;
    box-shadow: 0 4px 16px rgba(132, 201, 203, 0.25);
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #f8fcfc 100%);
}

.slp-featured-card--highlight:hover {
    box-shadow: 0 6px 20px rgba(132, 201, 203, 0.35);
}

/* Featured Star Badge */
.slp-featured-card--highlight::before {
    content: "\2605";
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background-color: #84c9cb;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    z-index: 10;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.slp-featured-card-thumbnail {
    height: 140px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.slp-featured-card-content {
    padding: 20px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    flex: 1;
}

/* Title - 2 line clamp for featured */
.slp-featured-card-title {
    font-size: 17px !important;
    font-weight: 700 !important;
    color: #013562 !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.35 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.slp-featured-card-title a {
    color: inherit !important;
    text-decoration: none !important;
    transition: color 200ms ease;
}

.slp-featured-card-title a:hover {
    color: #6eabc7 !important;
}

.slp-featured-card-title a:focus {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}

/* Authors - 1 line clamp */
.slp-featured-card-authors {
    font-size: 14px !important;
    font-weight: 400 !important;
    color: #013562 !important;
    opacity: 0.7;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 1 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.slp-featured-card-journal {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: #6eabc7 !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.4 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

/* Abstract - 3 line clamp for featured */
.slp-featured-card-abstract {
    font-size: 14px !important;
    font-weight: 400 !important;
    color: #013562 !important;
    opacity: 0.8;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.5 !important;
    flex: 1;
    display: -webkit-box !important;
    -webkit-line-clamp: 3 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

/* =========================================================================
   ACCESSIBILITY & REDUCED MOTION
   ========================================================================= */

@media (prefers-reduced-motion: reduce) {
    .slp-card,
    .slp-featured-card,
    .slp-filter-button,
    .slp-year-filter,
    .slp-load-more-button,
    .slp-reset-button,
    .slp-featured-button,
    .slp-link-primary,
    .slp-link-secondary {
        transition: none;
    }
}

/* Focus visible for keyboard navigation */
.slp-filter-button:focus-visible,
.slp-year-filter:focus-visible,
.slp-load-more-button:focus-visible,
.slp-reset-button:focus-visible,
.slp-featured-button:focus-visible,
.slp-link-primary:focus-visible,
.slp-link-secondary:focus-visible,
.slp-featured-card-title a:focus-visible {
    outline: 2px solid #84c9cb;
    outline-offset: 2px;
}