/* DNS Resolver 工具特有 (.dns-*) */

.dns-card { padding: 16px 18px; margin-bottom: 14px; }

/* 输入行 */
.dns-input-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.dns-input { flex: 1; }
.dns-search-btn { height: 44px !important; padding: 0 22px !important; flex-shrink: 0; }

/* 类型选择 */
.dns-type-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    background: var(--yst-bg-subtle);
    border-radius: 8px;
    margin-bottom: 10px;
}
.dns-type-label,
.dns-examples-label {
    font: 500 12px var(--yst-font);
    color: var(--yst-text-muted);
    margin-right: 4px;
}
.dns-type-row .type-btn {
    height: 28px;
    padding: 0 14px;
    background: #fff;
    border: 1px solid var(--yst-border);
    border-radius: 5px;
    color: var(--yst-text-2);
    font: 600 12px/1 var(--yst-font-mono, monospace);
    cursor: pointer;
    transition: all .15s;
    letter-spacing: var(--yst-letter-spacing);
}
.dns-type-row .type-btn:hover {
    border-color: var(--yst-brand);
    color: var(--yst-brand);
}
.dns-type-row .type-btn.active {
    background: var(--yst-brand);
    border-color: var(--yst-brand);
    color: #fff;
    box-shadow: 0 2px 6px rgba(0, 158, 148, 0.25);
}

/* 示例 */
.dns-examples {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    margin-bottom: 10px;
    border: 1px dashed var(--yst-border);
    border-radius: 6px;
}
.dns-examples .example-tag {
    height: 26px;
    padding: 0 10px;
    background: transparent;
    border: 1px solid var(--yst-border);
    border-radius: 999px;
    color: var(--yst-text-2);
    font: 500 11px/1 var(--yst-font-mono, monospace);
    cursor: pointer;
    transition: all .15s;
}
.dns-examples .example-tag:hover {
    background: var(--yst-brand-soft);
    border-color: var(--yst-brand);
    color: var(--yst-brand);
}

.dns-stat-line {
    display: flex;
    justify-content: flex-end;
    margin-top: 6px;
}

/* 加载中 */
.dns-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--yst-bg-card);
    border: 1px solid var(--yst-border);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 14px;
    color: var(--yst-text-muted);
    font: 13px var(--yst-font);
}
.dns-spinner {
    width: 22px; height: 22px;
    border: 3px solid var(--yst-bg-subtle);
    border-top-color: var(--yst-brand);
    border-radius: 50%;
    animation: dns-spin 0.8s linear infinite;
}
@keyframes dns-spin { to { transform: rotate(360deg); } }

/* 结果 */
.dns-results-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.dns-results-content .record-item,
.dns-results-content .result-item {
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-left: 3px solid var(--yst-brand);
    border-radius: 6px;
    padding: 10px 12px;
    display: grid;
    grid-template-columns: 80px 1fr 80px;
    gap: 12px;
    align-items: center;
    font: 12px/1.5 var(--yst-font-mono, monospace);
}
.dns-results-content .record-type,
.dns-results-content .result-type {
    background: var(--yst-brand);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font: 700 11px/1.4 var(--yst-font-mono, monospace);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: max-content;
}
.dns-results-content .record-value,
.dns-results-content .result-value {
    color: var(--yst-text);
    word-break: break-all;
}
.dns-results-content .record-ttl,
.dns-results-content .result-ttl {
    color: var(--yst-text-muted);
    font-size: 11px;
    text-align: right;
}
.dns-results-content .no-records,
.dns-results-content .empty {
    text-align: center;
    color: var(--yst-text-light);
    font: 13px var(--yst-font);
    padding: 30px;
    background: var(--yst-bg-subtle);
    border: 1px dashed var(--yst-border);
    border-radius: 8px;
}

/* 历史 */
.dns-mini-btn { height: 26px !important; padding: 0 12px !important; font-size: 11px !important; }
.dns-history-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 320px;
    overflow-y: auto;
}
.dns-history-list .history-item {
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 6px;
    padding: 10px 12px;
    cursor: pointer;
    transition: all .15s;
    font: 12px/1.5 var(--yst-font-mono, monospace);
    color: var(--yst-text-2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.dns-history-list .history-item:hover {
    background: var(--yst-brand-soft);
    border-color: var(--yst-brand);
    color: var(--yst-text);
}
.dns-history-list .history-domain { font-weight: 600; }
.dns-history-list .history-meta {
    color: var(--yst-text-muted);
    font-size: 11px;
}

/* 移动端 */
@media (max-width: 768px) {
    .dns-input-row { flex-direction: column; }
    .dns-search-btn { width: 100%; }
    .dns-results-content .record-item,
    .dns-results-content .result-item {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .dns-results-content .record-ttl,
    .dns-results-content .result-ttl { text-align: left; }
}