.source-index-page {
    background: linear-gradient(180deg, rgba(241, 245, 249, 0.8) 0%, rgba(255, 255, 255, 1) 100%);
}

.dark .source-index-page {
    background: linear-gradient(180deg, rgba(10, 18, 34, 0.96) 0%, rgba(2, 6, 23, 1) 100%);
    color: rgba(226, 232, 240, 0.95);
}

.source-hero {
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 45%),
        radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.18), transparent 50%);
}

.dark .source-hero {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(17, 24, 39, 0.92));
}

.source-hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.75rem;
}

.dark .source-hero-badge {
    background: rgba(59, 130, 246, 0.22);
    color: rgba(191, 219, 254, 0.95);
}

.source-hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    color: #0f172a;
}

.dark .source-hero-title {
    color: rgba(226, 232, 240, 0.96);
}

.source-hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(45, 55, 72, 0.9);
    max-width: 42rem;
}

.dark .source-hero-subtitle {
    color: rgba(214, 224, 245, 0.82);
}

.source-hero-stats {
    margin-top: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
}

.source-hero-stats .value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #1d4ed8;
}

.dark .source-hero-stats .value {
    color: rgba(96, 165, 250, 0.95);
}

.source-hero-stats .label {
    color: rgba(71, 85, 105, 0.8);
    font-size: 0.95rem;
}

.dark .source-hero-stats .label {
    color: rgba(148, 163, 184, 0.85);
}

.source-hero-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 24px;
    padding: 2.2rem;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.12);
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.dark .source-hero-card {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(96, 165, 250, 0.25);
    box-shadow: 0 30px 70px rgba(2, 6, 23, 0.6);
}

.source-hero-card h2 {
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #0f172a;
    font-size: 1.2rem;
}

.dark .source-hero-card h2 {
    color: rgba(229, 231, 235, 0.96);
}

.source-hero-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.8rem 0;
    display: grid;
    gap: 0.95rem;
}

.source-hero-card li {
    display: flex;
    align-items: center;
    color: rgba(55, 65, 81, 0.9);
    font-size: 0.95rem;
}

.source-hero-card li i {
    margin-right: 0.75rem;
    color: #22c55e;
}

.dark .source-hero-card li {
    color: rgba(226, 232, 240, 0.85);
}

.source-hero-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.9rem 1.4rem;
    border-radius: 14px;
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    color: #fff;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.source-hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}

.source-filter-bar {
    margin-top: -3rem;
}

.source-filter-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 22px;
    padding: 1.75rem;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.16);
}

.dark .source-filter-form {
    background: rgba(15, 23, 42, 0.92);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 24px 65px rgba(2, 6, 23, 0.6);
}

.filter-search {
    position: relative;
}

.filter-search i {
    position: absolute;
    top: 50%;
    left: 1.1rem;
    transform: translateY(-50%);
    color: rgba(148, 163, 184, 0.85);
}

.filter-search input {
    width: 100%;
    padding: 0.85rem 1.1rem 0.85rem 3rem;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.filter-search input:focus {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.filter-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    border-radius: 14px;
    background: rgba(226, 232, 240, 0.6);
    color: #1f2937;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.filter-chip .icon {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.7);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.filter-chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.12);
}

.filter-chip.active {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.85), rgba(59, 130, 246, 0.85));
    color: #fff;
}

.dark .filter-chip {
    background: rgba(15, 23, 42, 0.7);
    color: rgba(226, 232, 240, 0.9);
    border: 1px solid rgba(96, 165, 250, 0.25);
}

.dark .filter-chip .icon {
    background: rgba(96, 165, 250, 0.18);
    color: rgba(191, 219, 254, 0.95);
}

.source-list-section {
    padding: 4rem 0 6rem;
}

.source-list-card {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.18);
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.source-list-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 60px rgba(37, 99, 235, 0.18);
}

.dark .source-list-card {
    background: rgba(15, 23, 42, 0.92);
    border-color: rgba(96, 165, 250, 0.24);
    box-shadow: 0 26px 70px rgba(2, 6, 23, 0.6);
}

.source-list-card .card-media img,
.source-list-card .card-media .placeholder {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.source-list-card .card-media .placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(56, 189, 248, 0.25));
    color: rgba(37, 99, 235, 0.7);
    font-size: 2rem;
}

.source-list-card .card-body {
    padding: 1.6rem 1.8rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.card-category {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(59, 130, 246, 0.8);
}

.dark .card-category {
    color: rgba(147, 197, 253, 0.9);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.4;
}

.card-title a {
    color: inherit;
}

.dark .card-title {
    color: rgba(226, 232, 240, 0.95);
}

.card-description {
    color: rgba(71, 85, 105, 0.88);
    font-size: 0.95rem;
    line-height: 1.6;
}

.dark .card-description {
    color: rgba(203, 213, 225, 0.88);
}

.card-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-price .currency {
    font-weight: 700;
    color: #0f172a;
}

.card-price .amount {
    font-size: 1.45rem;
    font-weight: 800;
    margin-left: 6px;
    color: #1d4ed8;
}

.dark .card-price .currency {
    color: rgba(226, 232, 240, 0.85);
}

.dark .card-price .amount {
    color: rgba(147, 197, 253, 0.95);
}

.card-price .original {
    margin-left: 0.75rem;
    text-decoration: line-through;
    color: rgba(148, 163, 184, 0.8);
    font-size: 0.9rem;
}

.discount-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
    background: rgba(74, 222, 128, 0.15);
    color: #15803d;
    font-size: 0.75rem;
    font-weight: 700;
}

.card-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-chip {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
    font-size: 0.8rem;
    font-weight: 600;
}

.dark .tech-chip {
    background: rgba(59, 130, 246, 0.22);
    color: rgba(191, 219, 254, 0.95);
}

.source-list-card .card-footer {
    padding: 1.4rem 1.8rem 1.6rem;
}

.card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.85rem 1.2rem;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 1), rgba(14, 165, 233, 0.95));
    color: #fff;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 35px rgba(37, 99, 235, 0.25);
}

.source-empty-state {
    text-align: center;
    padding: 4rem 0;
    max-width: 32rem;
    margin: 0 auto;
}

.source-empty-state i {
    font-size: 3.5rem;
    color: rgba(148, 163, 184, 0.8);
    margin-bottom: 1.5rem;
}

.source-empty-state h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.source-empty-state p {
    color: rgba(71, 85, 105, 0.8);
    margin-bottom: 1.8rem;
}

.source-empty-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.4rem;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
    font-weight: 700;
}

.dark .source-empty-state p {
    color: rgba(203, 213, 225, 0.85);
}

/* Detail Page */
.source-detail-page {
    background: linear-gradient(180deg, rgba(241, 245, 249, 0.85) 0%, rgba(255, 255, 255, 1) 100%);
}

.dark .source-detail-page {
    background: linear-gradient(180deg, rgba(10, 18, 34, 0.96) 0%, rgba(2, 6, 23, 1) 100%);
}

.source-detail-hero {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(59, 130, 246, 0.08));
}

.dark .source-detail-hero {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(17, 24, 39, 0.92));
}

.source-detail-hero .hero-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: rgba(71, 85, 105, 0.9);
    font-size: 0.9rem;
}

.dark .source-detail-hero .hero-breadcrumb {
    color: rgba(203, 213, 225, 0.78);
}

.source-detail-hero .hero-breadcrumb a {
    color: inherit;
}

.source-detail-hero .hero-category,
.source-detail-hero .hero-meta {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
    font-weight: 600;
    font-size: 0.82rem;
}

.dark .source-detail-hero .hero-category,
.dark .source-detail-hero .hero-meta {
    background: rgba(59, 130, 246, 0.18);
    color: rgba(191, 219, 254, 0.95);
}

.source-detail-hero .hero-title {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    font-weight: 800;
    color: #0f172a;
}

.dark .source-detail-hero .hero-title {
    color: rgba(226, 232, 240, 0.96);
}

.source-detail-hero .hero-subtitle {
    font-size: 1.15rem;
    color: rgba(55, 65, 81, 0.9);
    max-width: 48rem;
}

.dark .source-detail-hero .hero-subtitle {
    color: rgba(203, 213, 225, 0.85);
}

.source-detail-content {
    margin-top: -3rem;
}

.source-preview-gallery {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 26px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    overflow: hidden;
    box-shadow: 0 20px 55px rgba(15, 23, 42, 0.1);
}

.source-preview-gallery .preview-main {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    display: block;
}

.source-preview-gallery .preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
    padding: 0.75rem;
}

.source-preview-gallery .preview-grid img {
    width: 100%;
    height: 110px;
    object-fit: cover;
    border-radius: 14px;
}

.dark .source-preview-gallery {
    background: rgba(15, 23, 42, 0.94);
    border-color: rgba(96, 165, 250, 0.24);
}

.source-section {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 24px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 2rem;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.source-section + .source-section {
    margin-top: 1.5rem;
}

.source-section h2 {
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: #0f172a;
}

.dark .source-section {
    background: rgba(15, 23, 42, 0.92);
    border-color: rgba(96, 165, 250, 0.25);
    color: rgba(226, 232, 240, 0.9);
}

.feature-list {
    display: grid;
    gap: 0.9rem;
}

.feature-item {
    display: flex;
    gap: 0.75rem;
    background: rgba(226, 232, 240, 0.35);
    padding: 0.85rem 1rem;
    border-radius: 14px;
    align-items: baseline;
    color: rgba(55, 65, 81, 0.9);
}

.feature-item i {
    color: #22c55e;
    margin-top: 0.2rem;
}

.dark .feature-item {
    background: rgba(13, 23, 41, 0.75);
    color: rgba(226, 232, 240, 0.85);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.requirements-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.7rem;
}

.requirements-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(71, 85, 105, 0.9);
}

.requirements-list i {
    color: #3b82f6;
}

.dark .requirements-list li {
    color: rgba(226, 232, 240, 0.85);
}

.resource-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.resource-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.3rem;
    border-radius: 14px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    font-weight: 700;
}

.resource-btn.secondary {
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
}

.dark .resource-btn.secondary {
    background: rgba(59, 130, 246, 0.22);
    color: rgba(191, 219, 254, 0.95);
}

.source-summary-card {
    background: rgba(255, 255, 255, 0.97);
    border-radius: 24px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 2rem;
    box-shadow: 0 25px 55px rgba(15, 23, 42, 0.12);
    position: sticky;
    top: 120px;
}

.dark .source-summary-card {
    background: rgba(15, 23, 42, 0.92);
    border-color: rgba(96, 165, 250, 0.25);
    box-shadow: 0 30px 70px rgba(2, 6, 23, 0.6);
}

.price-block {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.price-block .currency {
    font-weight: 700;
    color: #0f172a;
}

.price-block .amount {
    font-size: 2rem;
    font-weight: 800;
    margin-left: 0.5rem;
    color: #1d4ed8;
}

.price-block .original {
    display: block;
    color: rgba(148, 163, 184, 0.8);
    text-decoration: line-through;
    font-size: 0.95rem;
}

.dark .price-block .currency,
.dark .price-block .amount {
    color: rgba(226, 232, 240, 0.96);
}

.cta-buttons {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.8rem;
}

.primary-btn,
.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.2rem;
    border-radius: 14px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn {
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    color: #fff;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.25);
}

.secondary-btn {
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
}

.dark .secondary-btn {
    background: rgba(59, 130, 246, 0.18);
    color: rgba(191, 219, 254, 0.95);
}

.summary-meta {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.85rem;
}

.summary-meta .label {
    display: block;
    font-size: 0.82rem;
    color: rgba(148, 163, 184, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.summary-meta .value {
    font-weight: 600;
    color: #0f172a;
}

.dark .summary-meta .label {
    color: rgba(148, 163, 184, 0.7);
}

.dark .summary-meta .value {
    color: rgba(226, 232, 240, 0.9);
}

.source-contact-card {
    margin-top: 2rem;
    padding: 1.8rem;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(59, 130, 246, 0.08));
    color: #0f172a;
}

.dark .source-contact-card {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(56, 189, 248, 0.22));
    color: rgba(226, 232, 240, 0.92);
}

.source-contact-card h3 {
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    margin-top: 1rem;
    padding: 0.75rem 1.3rem;
    border-radius: 12px;
    background: #1d4ed8;
    color: #fff;
    font-weight: 700;
}

.source-related-section {
    background: rgba(59, 130, 246, 0.05);
}

.dark .source-related-section {
    background: rgba(15, 23, 42, 0.92);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.dark .section-badge {
    background: rgba(59, 130, 246, 0.2);
    color: rgba(191, 219, 254, 0.95);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-top: 1rem;
    color: #0f172a;
}

.dark .section-title {
    color: rgba(226, 232, 240, 0.96);
}

.section-subtitle {
    color: rgba(71, 85, 105, 0.85);
    max-width: 34rem;
    margin: 0.75rem auto 0;
}

.dark .section-subtitle {
    color: rgba(203, 213, 225, 0.8);
}

.related-card {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.dark .related-card {
    background: rgba(15, 23, 42, 0.92);
    border-color: rgba(96, 165, 250, 0.24);
}

.related-thumb {
    display: block;
    height: 160px;
    background: rgba(59, 130, 246, 0.12);
}

.related-thumb img,
.related-thumb .placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-thumb .placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(59, 130, 246, 0.7);
    font-size: 2rem;
}

.related-body {
    padding: 1.4rem 1.6rem;
}

.related-category {
    font-size: 0.75rem;
    font-weight: 700;
    color: rgba(59, 130, 246, 0.75);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.related-title {
    margin: 0.6rem 0;
    font-weight: 700;
    color: #0f172a;
}

.related-price {
    font-weight: 700;
    color: #1d4ed8;
}

.dark .related-title {
    color: rgba(226, 232, 240, 0.95);
}

.dark .related-price {
    color: rgba(147, 197, 253, 0.95);
}

@media (max-width: 1024px) {
    .source-hero-card {
        margin-top: 2rem;
    }

    .source-summary-card {
        position: static;
    }
}

@media (max-width: 640px) {
    .source-filter-form {
        padding: 1.3rem;
    }

    .source-list-card .card-body {
        padding: 1.4rem;
    }
}