/* ============================================================================
   Cymerit Free Web Tools — DNS Lookup Tool & Free Tools Hub Styles
   Matches Cymerit.com Blue Design System & UI/UX
   ============================================================================ */

:root {
    --dns-blue: #0056b3;
    --dns-blue-hover: #004494;
    --dns-blue-dark: #003370;
    --dns-blue-light: #edf5ff;
    --dns-blue-border: #d0e2ff;
    --dns-dark-navy: #0b192c;
    --dns-slate: #1e293b;
    --dns-text-main: #1e293b;
    --dns-text-muted: #64748b;
    --dns-border: #e2e8f0;
    --dns-card-bg: #ffffff;
    --dns-badge-bg: #f1f5f9;
    --dns-success: #16a34a;
    --dns-success-bg: #dcfce7;
    --dns-warning: #d97706;
    --dns-warning-bg: #fef3c7;
    --dns-danger: #dc2626;
    --dns-danger-bg: #fee2e2;
}

/* 1. HERO SECTION & BREADCRUMBS */
.dns-hero {
    background: linear-gradient(135deg, var(--dns-dark-navy) 0%, var(--dns-slate) 52%, var(--dns-blue) 100%);
    color: #ffffff;
    padding: 56px 0 48px;
    position: relative;
    overflow: hidden;
}

.dns-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.dns-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: #94a3b8;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.dns-breadcrumb a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.15s ease;
}

.dns-breadcrumb a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.dns-breadcrumb .sep {
    font-size: 0.75rem;
    color: #64748b;
}

.dns-breadcrumb .current {
    color: #ffffff;
    font-weight: 600;
}

.dns-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #93c5fd;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 6px 14px;
    border-radius: 99px;
    margin-bottom: 16px;
}

.dns-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: #ffffff;
}

.dns-hero__lead {
    font-size: 1.12rem;
    line-height: 1.65;
    color: #e2e8f0;
    max-width: 800px;
    margin-bottom: 24px;
}

/* 2. SEARCH & LOOKUP TOOL CARD */
.dns-search-card {
    background: var(--dns-card-bg);
    border-radius: 12px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--dns-border);
    padding: 28px;
    margin-top: 10px;
    position: relative;
    z-index: 2;
}

.dns-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.dns-form__row {
    display: flex;
    gap: 12px;
    align-items: stretch;
    flex-wrap: wrap;
}

.dns-input-group {
    flex: 1 1 340px;
    position: relative;
    display: flex;
    align-items: center;
}

.dns-input-icon {
    position: absolute;
    left: 16px;
    color: #94a3b8;
    font-size: 1.1rem;
    pointer-events: none;
}

.dns-input {
    width: 100%;
    padding: 14px 44px 14px 46px;
    font-size: 1.05rem;
    border: 2px solid var(--dns-border);
    border-radius: 8px;
    background: #ffffff;
    color: var(--dns-text-main);
    font-family: inherit;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.dns-input:focus {
    outline: none;
    border-color: var(--dns-blue);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.18);
}

.dns-clear-btn {
    position: absolute;
    right: 14px;
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 1rem;
    cursor: pointer;
    padding: 6px;
    display: none;
    border-radius: 50%;
    transition: color 0.15s ease;
}

.dns-clear-btn:hover {
    color: #475569;
}

.dns-select-group {
    flex: 0 0 auto;
    min-width: 150px;
}

.dns-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 2px solid var(--dns-border);
    border-radius: 8px;
    background: #f8fafc;
    color: var(--dns-text-main);
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.dns-select:focus {
    outline: none;
    border-color: var(--dns-blue);
}

.dns-submit-btn {
    background: var(--dns-blue);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 14px 30px;
    font-size: 1.02rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(0, 86, 179, 0.35);
    white-space: nowrap;
}

.dns-submit-btn:hover {
    background: var(--dns-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0, 86, 179, 0.45);
}

.dns-submit-btn:active {
    transform: translateY(0);
}

.dns-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.dns-options-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 0.88rem;
    padding-top: 4px;
}

.dns-examples {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    color: var(--dns-text-muted);
}

.dns-examples span {
    font-weight: 600;
}

.dns-chip {
    background: #f1f5f9;
    color: #334155;
    border: 1px solid #e2e8f0;
    border-radius: 99px;
    padding: 3px 10px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.dns-chip:hover {
    background: var(--dns-blue-light);
    color: var(--dns-blue);
    border-color: var(--dns-blue-border);
}

.dns-resolver-pref {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dns-text-muted);
}

.dns-resolver-pref select {
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--dns-border);
    background: #ffffff;
    font-size: 0.82rem;
    color: var(--dns-text-main);
}

/* 3. LOADING & ALERT STATES */
.dns-loading-state {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.dns-spinner {
    width: 44px;
    height: 44px;
    border: 4px solid #e2e8f0;
    border-top-color: var(--dns-blue);
    border-radius: 50%;
    animation: dns-spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes dns-spin {
    to { transform: rotate(360deg); }
}

.dns-alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin: 24px 0;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.dns-alert i {
    font-size: 1.3rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.dns-alert--error {
    background: var(--dns-danger-bg);
    border: 1px solid #fca5a5;
    color: #991b1b;
}

.dns-alert--warning {
    background: var(--dns-warning-bg);
    border: 1px solid #fde68a;
    color: #92400e;
}

.dns-alert--info {
    background: var(--dns-blue-light);
    border: 1px solid var(--dns-blue-border);
    color: #1e40af;
}

/* 4. RESULTS DASHBOARD */
.dns-results-section {
    padding: 40px 0 60px;
    background: #f8fafc;
}

.dns-results-wrapper {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid var(--dns-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}

/* Status Header Bar */
.dns-status-bar {
    background: #ffffff;
    padding: 20px 24px;
    border-bottom: 1px solid var(--dns-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.dns-status-info {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.dns-domain-badge {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dns-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.dns-code-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.84rem;
    font-weight: 700;
    text-transform: uppercase;
}

.dns-code-badge--success {
    background: var(--dns-success-bg);
    color: var(--dns-success);
    border: 1px solid #bbf7d0;
}

.dns-code-badge--nxdomain {
    background: var(--dns-warning-bg);
    color: var(--dns-warning);
    border: 1px solid #fde68a;
}

.dns-code-badge--error {
    background: var(--dns-danger-bg);
    color: var(--dns-danger);
    border: 1px solid #fecaca;
}

.dns-meta-tags {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--dns-text-muted);
    flex-wrap: wrap;
}

.dns-meta-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.dns-actions-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.dns-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--dns-border);
    border-radius: 6px;
    background: #ffffff;
    color: #475569;
    cursor: pointer;
    transition: all 0.15s ease;
}

.dns-action-btn:hover {
    background: #f1f5f9;
    color: var(--dns-blue);
    border-color: var(--dns-blue-border);
}

.dns-action-btn.copied {
    background: var(--dns-success-bg);
    color: var(--dns-success);
    border-color: #bbf7d0;
}

/* Tabs & Filter Bar */
.dns-tabs-container {
    background: #f8fafc;
    border-bottom: 1px solid var(--dns-border);
    padding: 10px 20px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.dns-tabs {
    display: flex;
    gap: 8px;
    min-width: max-content;
}

.dns-tab {
    padding: 10px 16px;
    font-size: 0.88rem;
    font-weight: 600;
    border: none;
    background: none;
    color: #64748b;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s ease;
}

.dns-tab:hover {
    color: var(--dns-text-main);
}

.dns-tab.active {
    color: var(--dns-blue);
    border-bottom-color: var(--dns-blue);
    background: #ffffff;
    border-radius: 6px 6px 0 0;
}

.dns-tab-count {
    background: #e2e8f0;
    color: #475569;
    padding: 1px 7px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
}

.dns-tab.active .dns-tab-count {
    background: var(--dns-blue-light);
    color: var(--dns-blue);
}

/* Record Tables & Cards */
.dns-tables-body {
    padding: 24px;
}

.dns-type-section {
    margin-bottom: 32px;
}

.dns-type-section:last-child {
    margin-bottom: 0;
}

.dns-type-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid #f1f5f9;
}

.dns-type-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dns-text-main);
}

.dns-type-badge {
    background: var(--dns-blue);
    color: #ffffff;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.dns-table-responsive {
    overflow-x: auto;
    border: 1px solid var(--dns-border);
    border-radius: 8px;
    background: #ffffff;
}

.dns-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    text-align: left;
}

.dns-table th {
    background: #f8fafc;
    color: #475569;
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid var(--dns-border);
    white-space: nowrap;
}

.dns-table td {
    padding: 14px 16px;
    border-bottom: 1px solid #f1f5f9;
    color: var(--dns-text-main);
    vertical-align: top;
}

.dns-table tr:last-child td {
    border-bottom: none;
}

.dns-table tr:hover td {
    background: #fafbfc;
}

.dns-name-cell {
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.88rem;
    color: #475569;
    word-break: break-all;
}

.dns-val-cell {
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.9rem;
    color: var(--dns-text-main);
    word-break: break-all;
    max-width: 600px;
}

.dns-copyable-val {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.dns-copy-row-btn {
    background: none;
    border: 1px solid transparent;
    color: #94a3b8;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.82rem;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.dns-copy-row-btn:hover {
    color: var(--dns-blue);
    background: var(--dns-blue-light);
    border-color: var(--dns-blue-border);
}

.dns-copy-row-btn.copied {
    color: var(--dns-success);
    background: var(--dns-success-bg);
}

.dns-ttl-cell {
    white-space: nowrap;
    color: #64748b;
    font-size: 0.85rem;
}

.dns-priority-cell {
    white-space: nowrap;
    font-weight: 700;
    color: var(--dns-blue);
}

.dns-tag-badge {
    display: inline-block;
    background: #e0f2fe;
    color: #0369a1;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 6px;
}

/* SOA Details Card */
.dns-soa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    padding: 16px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid var(--dns-border);
}

.dns-soa-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dns-soa-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748b;
}

.dns-soa-value {
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.88rem;
    color: var(--dns-text-main);
    word-break: break-all;
}

/* Empty Record State */
.dns-empty-records {
    padding: 24px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px dashed #cbd5e1;
    text-align: center;
    color: #64748b;
    font-size: 0.92rem;
}

.dns-empty-records i {
    font-size: 1.5rem;
    color: #94a3b8;
    margin-bottom: 8px;
    display: block;
}

/* 5. EDUCATIONAL & SEO CONTENT */
.dns-content-section {
    padding: 60px 0;
    background: #ffffff;
    border-top: 1px solid var(--dns-border);
}

.dns-prose h2 {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--dns-text-main);
    margin-bottom: 16px;
}

.dns-prose p {
    font-size: 1rem;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 16px;
}

.dns-records-guide {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 32px 0 48px;
}

.dns-record-card {
    background: #ffffff;
    border: 1px solid var(--dns-border);
    border-radius: 10px;
    padding: 22px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dns-record-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    border-color: var(--dns-blue-border);
}

.dns-record-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.dns-record-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dns-text-main);
}

.dns-record-card p {
    font-size: 0.92rem;
    line-height: 1.55;
    color: #64748b;
    margin-bottom: 0;
}

/* Troubleshooting Steps */
.dns-troubleshoot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin: 30px 0 50px;
}

.dns-troubleshoot-card {
    background: #f8fafc;
    border: 1px solid var(--dns-border);
    border-radius: 10px;
    padding: 24px;
}

.dns-troubleshoot-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dns-text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.dns-troubleshoot-card h3 i {
    color: var(--dns-blue);
}

.dns-troubleshoot-card ul {
    list-style: disc;
    padding-left: 20px;
    color: #475569;
    font-size: 0.92rem;
    line-height: 1.6;
}

.dns-troubleshoot-card li {
    margin-bottom: 8px;
}

/* FAQ Accordion */
.dns-faq-list {
    margin: 32px 0 48px;
}

.dns-faq-item {
    border-bottom: 1px solid var(--dns-border);
    padding: 18px 0;
}

.dns-faq-item summary {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dns-text-main);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.dns-faq-item summary::-webkit-details-marker {
    display: none;
}

.dns-faq-item summary::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--dns-blue);
}

.dns-faq-item[open] summary::after {
    content: '−';
}

.dns-faq-item p {
    margin-top: 12px;
    color: #475569;
    line-height: 1.65;
    font-size: 0.96rem;
}

/* 6. CONTEXTUAL SERVICES CALLOUT */
.dns-services-promo {
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid var(--dns-border);
    padding: 36px 30px;
    margin: 50px 0 20px;
}

.dns-services-promo__header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 32px;
}

.dns-services-promo__header h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--dns-text-main);
    margin-bottom: 8px;
}

.dns-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.dns-service-item {
    background: #ffffff;
    border: 1px solid var(--dns-border);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.dns-service-item:hover {
    border-color: var(--dns-blue-border);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

.dns-service-icon {
    font-size: 1.8rem;
    color: var(--dns-blue);
    margin-bottom: 12px;
}

.dns-service-item h4 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--dns-text-main);
    margin-bottom: 6px;
}

.dns-service-item p {
    font-size: 0.88rem;
    color: #64748b;
    line-height: 1.5;
    margin-bottom: 16px;
}

.dns-service-link {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--dns-blue);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: gap 0.15s ease;
}

.dns-service-link:hover {
    gap: 10px;
    color: var(--dns-blue-hover);
}

/* 7. FREE TOOLS DIRECTORY STYLES (HUB PAGE) */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin: 40px 0 60px;
}

.tool-hub-card {
    background: #ffffff;
    border: 1px solid var(--dns-border);
    border-radius: 12px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
}

.tool-hub-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--dns-blue-border);
}

.tool-hub-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--dns-blue-light);
    color: var(--dns-blue);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 99px;
}

.tool-hub-badge.coming-soon {
    background: #f1f5f9;
    color: #64748b;
}

.tool-hub-icon {
    width: 52px;
    height: 52px;
    background: var(--dns-blue-light);
    color: var(--dns-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.tool-hub-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dns-text-main);
    margin-bottom: 8px;
}

.tool-hub-card p {
    font-size: 0.94rem;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 22px;
}

.tool-hub-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--dns-blue);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: gap 0.15s ease;
}

.tool-hub-btn:hover {
    gap: 12px;
    color: var(--dns-blue-hover);
}

.tool-hub-btn.disabled {
    color: #94a3b8;
    cursor: default;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    .dns-hero {
        padding: 40px 0 32px;
    }

    .dns-hero h1 {
        font-size: 1.9rem;
    }

    .dns-search-card {
        padding: 20px;
    }

    .dns-form__row {
        flex-direction: column;
    }

    .dns-input-group,
    .dns-select-group,
    .dns-submit-btn {
        width: 100%;
        flex: 1 1 100%;
    }

    .dns-status-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .dns-actions-group {
        width: 100%;
        justify-content: space-between;
    }

    .dns-table th,
    .dns-table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
}