/* DNS Checker Styles */
:root {
    --bg-dark: #0f1115;
    --bg-panel: #161a22;
    --bg-card: #1f2430;
    --bg-input: #1a1a24;
    --border: #30363d;
    --text-main: #c9d1d9;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --success: #3fb950;
    --danger: #f87171;
}

.checker-container {
    max-width: 800px;
    margin: 3rem auto;
    padding: 2rem;
    background: var(--bg-panel);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 2rem;
}

input[type="text"] {
    flex-grow: 1;
    padding: 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 4px;
    font-size: 1rem;
}

select {
    padding: 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 4px;
    font-size: 1rem;
    width: 100px;
}

button {
    padding: 12px 24px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.result-card {
    background: var(--bg-card);
    border-radius: 6px;
    padding: 1.5rem;
    border-left: 4px solid var(--border);
}

.result-card h3 {
    margin-top: 0;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.result-item {
    background: rgba(0, 0, 0, 0.2);
    padding: 8px 12px;
    margin-bottom: 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.95rem;
    word-break: break-all;
}

.status-icon {
    font-size: 1.2rem;
}

.success .status-icon {
    color: var(--success);
}

.result-card.success {
    border-left-color: var(--success);
}

.loading-container {
    text-align: center;
    padding: 2rem;
    display: none;
    color: var(--text-muted);
}