/* Tool Specific Styles for DNS Lookup Suite */
.tab-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    font-weight: 700;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 8px;
    font-size: 0.9rem;
}

.tab-btn.active {
    background: #dbeafe;
    color: #2563eb;
}

.hidden {
    display: none;
}

.table-responsive {
    overflow-x: auto;
    margin-top: 1.5rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.table th,
.table td {
    padding: 12px 15px;
    border-bottom: 1px solid #f1f5f9;
    text-align: left;
    font-size: 0.88rem;
    font-family: 'Courier New', monospace;
}

.table th {
    background: #f8fafc;
    font-weight: 700;
    color: #1e293b;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-family: 'Inter', sans-serif;
}

.record-pill-box {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.record-pill {
    background: #f1f5f9;
    color: #475569;
    border: 1.5px solid #e2e8f0;
    border-radius: 99px;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.record-pill.active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

.record-panel {
    display: none;
    margin-top: 1.5rem;
}

.record-panel.active {
    display: block;
}

.code-block {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: #334155;
    margin: 1rem 0;
    overflow-x: auto;
}

body.dark-mode .tab-nav {
    border-bottom-color: #2e3f6e;
}

body.dark-mode .tab-btn.active {
    background: #1e3a5c;
    color: #93c5fd;
}

body.dark-mode .table {
    background: #1e2a45;
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

body.dark-mode .table th {
    background: #2e3f6e;
    color: #94a3b8;
}

body.dark-mode .table td {
    color: #e2e8f0;
    border-bottom-color: #2e3f6e;
}

body.dark-mode .record-pill {
    background: #1e2a45;
    border-color: #2e3f6e;
    color: #94a3b8;
}

body.dark-mode .record-pill.active {
    background: #2563eb;
    color: #fff;
}

body.dark-mode .code-block {
    background: #141d2e;
    border-color: #2e3f6e;
    color: #94a3b8;
}