.provider-card {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin-bottom: 12px;
    background: #fff;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.provider-card:hover:not(.expanded) {
    border-color: var(--color-accent);
    background: #fbfcfd;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transform: translateX(4px);
}
html.dark .provider-card {
    background: #1a1a1a;
    border-color: #333;
}
html.dark .provider-card:hover:not(.expanded) {
    border-color: var(--color-accent);
    background: #1e1e1e;
}
.provider-card.expanded {
    border-color: var(--color-accent);
    background: rgba(61, 166, 255, 0.02);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
html.dark .provider-card.expanded {
    background: rgba(61, 166, 255, 0.04);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.provider-header {
    padding: 16px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: background 0.2s;
}
html.dark .provider-header {
    background: transparent;
}
.provider-header:hover {
    background: rgba(61, 166, 255, 0.03);
}
html.dark .provider-header:hover {
    background: rgba(61, 166, 255, 0.05);
}

.provider-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.provider-logo-container {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
    flex-shrink: 0;
}
html.dark .provider-logo-container {
    border-color: #333;
    /* Keep white inside so logos render correctly */
}
.provider-logo-container img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}
.provider-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dns-provider-name {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 8px;
}
.provider-meta {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}
.provider-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.encrypted-badge {
    font-size: 0.75rem;
    background: rgba(46, 204, 113, 0.1);
    color: #27ae60;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}
html.dark .encrypted-badge {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
}
@media (max-width: 600px) {
    .encrypted-badge {
        display: none !important;
    }
}

.provider-body {
    display: none;
    padding: 16px;
    border-top: 1px solid var(--color-border);
}
html.dark .provider-body {
    border-top-color: #333;
}
.provider-card.expanded .provider-body {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}
.provider-card.expanded .expand-icon {
    transform: rotate(180deg);
}
.expand-icon {
    transition: transform 0.2s;
}

.provider-location-summary {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
    line-height: 1.5;
}

.ip-lists-container {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.ip-list-col {
    flex: 1;
    min-width: 250px;
}
.ip-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 10px;
}
.ip-group-title {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ip-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(128,128,128,0.05);
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}
.ip-item:hover {
    background: rgba(61, 166, 255, 0.05);
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--color-text);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}
html.dark .copy-btn {
    border-color: #444;
}
.copy-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(61, 166, 255, 0.05);
}

.share-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 4px;
    transition: all 0.2s;
}
.share-btn:hover {
    background: rgba(61, 166, 255, 0.1);
    color: var(--color-accent);
}
html.dark .share-btn:hover {
    background: rgba(61, 166, 255, 0.15);
}

.dns-ip {
    font-family: monospace;
    background: rgba(128,128,128,0.1);
    padding: 4px 8px;
    border-radius: 6px;
    color: var(--color-accent);
    font-size: 1rem;
}
.country-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 20px;
}
.country-card {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    background-color: #fbfcfd;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 12px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-family: 'Raleway', sans-serif;
    font-size: 16px;
    font-weight: 500;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
html.dark .country-card {
    background-color: #1a1a1a;
    border-color: var(--color-border-grey);
}
.country-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}
.country-flag {
    width: 28px;
    height: 20px;
    object-fit: cover;
    border-radius: 3px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
    flex-shrink: 0;
}
.dns-filter {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 16px;
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #fff;
    color: var(--color-text);
    font-family: 'Raleway', sans-serif;
    font-size: 1rem;
}
html.dark .dns-filter {
    background: #1a1a1a;
    border-color: #333;
}
.continent-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
    margin-bottom: 20px;
}
.continent-tag {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 6px 12px;
    border-radius: 20px;
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.9rem;
    transition: all 0.2s;
}
html.dark .continent-tag {
    background: #252525;
    border-color: #333;
}
.continent-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.article-subtitle {
    scroll-margin-top: 80px;
}
.city-tag.active {
    background-color: var(--color-accent) !important;
    color: #fff !important;
    border-color: var(--color-accent) !important;
}
.city-tag:hover:not(.active) {
    border-color: var(--color-accent) !important;
    color: var(--color-accent) !important;
}
.expand-cities-btn:hover {
    border-color: var(--color-accent) !important;
    color: var(--color-accent) !important;
}
html.dark .expand-cities-btn {
    background: #252525;
    border-color: #444;
}
.continent-tag.active {
    background-color: var(--color-accent) !important;
    color: #fff !important;
    border-color: var(--color-accent) !important;
}

/* Refactored Utility & Component Classes for Provider Cards & Filters */

.city-filter-container {
    margin-bottom: 20px;
}

.city-filter-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.city-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.city-tag {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 6px 12px;
    border-radius: 20px;
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.85rem;
    transition: all 0.2s;
    display: inline-block;
}
html.dark .city-tag {
    background: #252525;
    border-color: #333;
}

.expand-cities-btn {
    background: var(--color-bg-secondary);
    border: 1px dashed var(--color-border);
    padding: 6px 12px;
    border-radius: 20px;
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    transition: all 0.2s;
    font-weight: 600;
    display: inline-block;
}

.search-export-container {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    align-items: stretch;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.dns-search-input {
    margin-bottom: 0 !important;
    padding-left: 48px !important;
    width: 100% !important;
    box-sizing: border-box !important;
    height: 100% !important;
}

#export-main-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    padding: 0 20px;
    font-weight: 600;
    border-radius: 8px;
    background: var(--color-accent);
    color: #ffffff;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s;
    font-family: 'Raleway', sans-serif;
}
#export-main-btn:hover {
    opacity: 0.8;
}

.provider-checkbox-container {
    margin-right: 16px;
    display: flex;
    align-items: center;
}

.provider-select-cb {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

.provider-initials {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    font-size: 20px;
    border-radius: 9px;
}

.provider-header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.export-card-btn:hover {
    color: #ffffff !important;
    background: var(--color-accent) !important;
}

.location-summary-icon {
    display: inline;
    vertical-align: text-bottom;
    margin-right: 6px;
    color: var(--color-accent);
}

.encrypted-dns-container {
    margin-bottom: 20px;
    padding: 12px;
    background: rgba(61, 166, 255, 0.05);
    border-radius: 6px;
    border: 1px solid rgba(61, 166, 255, 0.2);
}

.encrypted-dns-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-accent);
}

.encrypted-dns-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.encrypted-dns-item {
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.encrypted-dns-item.border-bottom {
    border-bottom: 1px dashed var(--color-border);
    padding-bottom: 6px;
}

.encrypted-dns-item.padding-top {
    padding-top: 2px;
}

.encrypted-dns-label {
    color: var(--color-text);
}

.encrypted-dns-value {
    font-family: monospace;
    color: var(--color-text-muted);
    margin-left: 6px;
}

.encrypted-dns-copy {
    padding: 2px 6px !important;
    font-size: 0.75rem !important;
    margin-left: 10px !important;
}

.copy-all-container {
    margin-bottom: 16px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.ip-location-group {
    margin-bottom: 24px;
    flex: 1;
    min-width: 320px;
}

.ip-location-group-header {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 8px;
    margin-bottom: 16px;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ip-location-link {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}
.ip-location-link:hover {
    color: var(--color-accent);
}

.ip-lists-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.text-md {
    font-size: 1rem !important;
}

.text-sm {
    font-size: 0.9rem !important;
}

.status-offline {
    color: #e74c3c;
    font-size: 0.75rem;
    font-weight: bold;
    margin-left: 8px;
    border: 1px solid rgba(231, 76, 60, 0.4);
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(231, 76, 60, 0.1);
}

.no-results-msg {
    display: none;
    text-align: center;
    padding: 20px;
    color: var(--color-text-muted);
}

.no-region-servers {
    color: #ef4444;
    margin-top: 20px;
}


.hidden-city {
    display: none !important;
}

.provider-bg-0 { background-color: #FF6B6B; }
.provider-bg-1 { background-color: #4ECDC4; }
.provider-bg-2 { background-color: #45B7D1; }
.provider-bg-3 { background-color: #96CEB4; }
.provider-bg-4 { background-color: #F39C12; }
.provider-bg-5 { background-color: #D4A5A5; }
.provider-bg-6 { background-color: #9B59B6; }
.provider-bg-7 { background-color: #3498DB; }
.provider-bg-8 { background-color: #E67E22; }
.provider-bg-9 { background-color: #1ABC9C; }