/* 璧勬簮涓績鐗规畩鏍峰紡 */
.resources-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
}

.resource-sidebar {
    position: sticky;
    top: 90px;
    height: fit-content;
}

.filter-section {
    background: rgba(18, 29, 52, 0.42);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-purple);
}

.filter-section h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--electric-blue);
}

.filter-group {
    margin-bottom: 20px;
}

.filter-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--ice-blue);
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid rgba(156, 198, 236, 0.22);
    border-radius: 5px;
    font-size: 0.85rem;
    background: rgba(18, 29, 52, 0.55);
    cursor: pointer;
    transition: border-color 0.3s;
}

.filter-group select:hover,
.filter-group select:focus,
.filter-group input:hover,
.filter-group input:focus {
    border-color: var(--electric-blue);
    outline: none;
}

.btn-search {
    width: 100%;
    padding: 10px;
    background: var(--primary-purple);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.btn-search:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

.reset-link {
    display: block;
    margin: 10px auto 0;
    background: none;
    border: 0;
    color: var(--electric-blue);
    cursor: pointer;
    font-size: 0.86rem;
    text-decoration: underline;
}

.empty-result {
    display: none;
    color: rgba(207, 232, 255, 0.62);
    background: rgba(18, 29, 52, 0.42);
    border-left: 4px solid var(--primary-purple);
    padding: 16px;
    border-radius: 8px;
    margin-top: 20px;
}

/* 璧勬簮鍐呭 */
.resource-content {
    padding: 20px;
}

.resource-section {
    margin-bottom: 60px;
}

.resource-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--ice-blue);
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 15px;
}

/* 璧勬簮鍗＄墖缃戞牸 */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.resource-card {
    background: rgba(18, 29, 52, 0.55);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.card-header {
    padding: 20px;
    background: linear-gradient(135deg, rgba(30, 60, 114, 0.05) 0%, rgba(106, 44, 145, 0.05) 100%);
    border-bottom: 2px solid rgba(156, 198, 236, 0.16);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
}

.card-header h4 {
    color: var(--ice-blue);
    font-size: 1.05rem;
    flex: 1;
    margin: 0;
}

.year-badge {
    background: var(--primary-purple);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.card-meta {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(156, 198, 236, 0.16);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
}

.journal {
    color: rgba(207, 232, 255, 0.62);
    flex: 1;
}

.if-badge {
    background: var(--accent-color);
    color: white;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.card-desc {
    padding: 15px 20px;
    flex: 1;
    color: rgba(207, 232, 255, 0.62);
    font-size: 0.9rem;
    line-height: 1.6;
    border-bottom: 1px solid rgba(156, 198, 236, 0.16);
}

.card-tags {
    padding: 15px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-bottom: 1px solid rgba(156, 198, 236, 0.16);
}

.tag {
    background: rgba(18, 29, 52, 0.42);
    color: var(--ice-blue);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
    border: 1px solid var(--primary-blue);
}

.card-link {
    padding: 15px 20px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.card-link:hover {
    color: var(--ice-blue);
    background: rgba(18, 29, 52, 0.42);
}

/* 瑙嗛缃戞牸 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.video-card {
    background: rgba(18, 29, 52, 0.55);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.video-placeholder {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
}

.video-placeholder::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    transition: background 0.3s;
}

.video-card:hover .video-placeholder::after {
    background: rgba(0, 0, 0, 0.2);
}

.play-icon {
    position: relative;
    z-index: 2;
    font-size: 3rem;
    color: white;
    transition: transform 0.3s;
}

.video-card:hover .play-icon {
    transform: scale(1.2);
}

.video-card h4 {
    padding: 15px;
    margin: 0;
    color: var(--ice-blue);
    font-size: 1rem;
}

.video-card p {
    padding: 0 15px;
    margin: 0 0 10px 0;
    color: rgba(207, 232, 255, 0.62);
    font-size: 0.9rem;
}

.video-duration {
    padding: 0 15px 15px 15px !important;
    font-size: 0.85rem !important;
    color: var(--accent-color) !important;
    font-weight: 600;
}

/* 鍝嶅簲寮?*/
@media (max-width: 768px) {
    .resources-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .resource-sidebar {
        position: static;
    }

    .resource-grid {
        grid-template-columns: 1fr;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .card-header {
        flex-direction: column;
    }

    .card-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .resource-grid,
    .video-grid {
        grid-template-columns: 1fr;
    }

    .card-header h4 {
        font-size: 0.95rem;
    }

    .card-desc {
        font-size: 0.85rem;
    }
}

.news-feature-card {
    background: rgba(18, 29, 52, 0.55);
    border: 1px solid rgba(156, 198, 236, 0.18);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(16, 41, 79, 0.08);
}

.news-feature-hero {
    display: grid;
    grid-template-columns: minmax(280px, 0.92fr) 1.08fr;
    gap: 28px;
    align-items: center;
    padding: 24px;
    background: rgba(10, 17, 32, 0.5);
    border-bottom: 1px solid rgba(156, 198, 236, 0.18);
}

.news-feature-hero img,
.news-inline-figure img,
.news-image-grid img {
    width: 100%;
    border-radius: 6px;
    background: rgba(18, 29, 52, 0.55);
    object-fit: cover;
    cursor: zoom-in;
}

.news-feature-hero img {
    aspect-ratio: 16 / 10;
}

.news-date {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 0.9rem;
}

.news-feature-hero h3 {
    color: var(--ice-blue);
    font-size: 1.55rem;
    line-height: 1.35;
    margin-bottom: 12px;
}

.news-feature-hero p,
.news-prose p,
.news-prose li {
    color: rgba(207, 232, 255, 0.62);
    line-height: 1.85;
}

.news-prose {
    padding: 24px;
}

.news-prose h4 {
    color: var(--ice-blue);
    margin: 10px 0 12px;
    font-size: 1.08rem;
}

.news-prose ul {
    padding-left: 20px;
    margin: 12px 0 0;
}

.news-inline-figure {
    margin: 20px 0;
    padding: 12px;
    border: 1px solid rgba(156, 198, 236, 0.18);
    border-radius: 8px;
    background: rgba(10, 17, 32, 0.5);
}

.news-inline-figure img {
    max-height: 360px;
    object-fit: contain;
}

.news-inline-figure figcaption,
.news-image-grid figcaption {
    margin-top: 8px;
    color: rgba(207, 232, 255, 0.62);
    font-size: 0.84rem;
    line-height: 1.5;
    text-align: center;
}

.news-image-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding: 0 24px 10px;
}

.news-image-grid figure {
    margin: 0;
    padding: 12px;
    border: 1px solid rgba(156, 198, 236, 0.18);
    border-radius: 8px;
    background: rgba(18, 29, 52, 0.55);
}

.news-image-grid img {
    height: 240px;
    object-fit: contain;
}

.doi-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.doi-links a {
    color: #fff;
    background: var(--primary-blue);
    text-decoration: none;
    border-radius: 5px;
    padding: 8px 12px;
    font-size: 0.88rem;
}

.video-card video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #0f172a;
}

.video-card-wide {
    grid-column: span 2;
}

@media (max-width: 900px) {
    .news-feature-hero,
    .news-image-grid {
        grid-template-columns: 1fr;
    }

    .video-card-wide {
        grid-column: span 1;
    }
}

.resource-tabs {
    display: flex;
    gap: 10px;
    margin: 0 0 28px;
    border-bottom: 2px solid rgba(156, 198, 236, 0.18);
    flex-wrap: wrap;
}

.resource-tab {
    background: none;
    border: none;
    padding: 12px 20px;
    color: rgba(207, 232, 255, 0.62);
    font-size: 0.95rem;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.resource-tab:hover,
.resource-tab.active {
    color: var(--electric-blue);
    border-bottom-color: var(--electric-blue);
}

.resource-section {
    display: none;
}

.resource-section.active-section {
    display: block;
}

.resource-card.is-filtered-out {
    display: none;
}

.resource-card-thumb {
    width: 100%;
    height: 180px;
    object-fit: contain;
    background: rgba(10, 17, 32, 0.5);
    border-bottom: 1px solid rgba(156, 198, 236, 0.18);
    cursor: zoom-in;
}

.video-card-grid .resource-card {
    overflow: hidden;
}

.video-resource-card video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #0f172a;
}