.tool-fullwidth {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Tool shell */
.query-tool {
    max-width: 100%;
    margin: 0 auto;
}

.query-tool.editor-section,
.editor-section.query-tool {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.query-tool .card:not(.result-card) {
    border: 1px solid var(--color-border, #e5e7eb);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.06));
    border-radius: var(--radius, 12px);
    background: var(--color-surface, #fff);
}

.query-tool .card-body {
    padding: 1.25rem 1.35rem;
}

.query-tool .card-title {
    color: var(--color-text, #1f2937);
    font-weight: 700;
    font-size: 1.05rem;
}

.query-tool .form-control,
.query-tool .form-select,
.query-tool .select-input,
.query-tool textarea {
    border-radius: 8px;
    border: 1px solid var(--color-border, #e5e7eb);
}

.query-tool .form-control:focus,
.query-tool .form-select:focus,
.query-tool textarea:focus {
    border-color: var(--color-primary, #0d9488);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.query-tool .btn-primary {
    background: var(--color-primary, #0d9488);
    border-color: var(--color-primary, #0d9488);
}

.query-tool .btn-primary:hover {
    background: var(--color-primary-hover, #0f766e);
    border-color: var(--color-primary-hover, #0f766e);
}

.query-tool .alert {
    border-radius: 10px;
}

[data-theme="dark"] .query-tool .card:not(.result-card) {
    background: var(--color-surface, #1f2937);
    border-color: var(--color-border, #374151);
}

[data-theme="dark"] .query-tool .card-title,
[data-theme="dark"] .query-tool .form-label,
[data-theme="dark"] .query-tool {
    color: var(--color-text, #f9fafb);
}

[data-theme="dark"] .query-tool .text-muted,
[data-theme="dark"] .query-tool .form-text {
    color: var(--color-text-secondary, #9ca3af) !important;
}

[data-theme="dark"] .query-tool .form-control,
[data-theme="dark"] .query-tool .form-select,
[data-theme="dark"] .query-tool textarea {
    background: #111827;
    color: var(--color-text, #f9fafb);
    border-color: var(--color-border, #374151);
}

/* --- tool: domain-dns --- */
.dns-tool {
    max-width: 1200px;
    margin: 0 auto;
}

.dns-result {
    background: #f8f9fa;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-top: 1rem;
    border-left: 4px solid #007bff;
}

.dns-record {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e9ecef;
}

.dns-record:last-child {
    border-bottom: none;
}

.record-type {
    font-weight: bold;
    color: #495057;
    min-width: 80px;
    background: #e9ecef;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    text-align: center;
    font-size: 0.875rem;
}

.record-value {
    color: #6c757d;
    word-break: break-all;
    flex: 1;
    margin: 0 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

.record-ttl {
    color: #6c757d;
    font-size: 0.875rem;
    min-width: 100px;
    text-align: right;
    background: #f8f9fa;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

.error {
    border-left-color: #dc3545 !important;
    background: #f8d7da !important;
}

.success {
    border-left-color: #28a745 !important;
    background: #d4edda !important;
}

.btn {
    transition: all 0.2s ease-in-out;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    border-radius: 0.75rem;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    border-radius: 0.75rem 0.75rem 0 0 !important;
}

.form-check {
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .dns-record {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .record-type, .record-ttl {
        min-width: auto;
        align-self: flex-start;
    }
    
    .record-value {
        margin: 0;
        width: 100%;
    }
}