:root {
    --bg: #0f1420;
    --panel: #161d2e;
    --panel-border: #262f45;
    --text: #e7ebf3;
    --text-dim: #93a0bd;
    --accent: #4f8cff;
    --green: #34d399;
    --red: #f87171;
    --yellow: #fbbf24;
    --gray: #6b7488;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

.site-header {
    text-align: center;
    margin-bottom: 32px;
}

.site-header h1 {
    margin: 0 0 8px;
    font-size: 2rem;
    letter-spacing: -0.02em;
}

.subtitle {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.check-form {
    display: flex;
    gap: 10px;
    max-width: 620px;
    margin: 0 auto 24px;
}

#domain {
    flex: 1;
    padding: 12px 14px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid var(--panel-border);
    background: var(--panel);
    color: var(--text);
}

#domain:focus, #type:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

#type {
    padding: 12px 10px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid var(--panel-border);
    background: var(--panel);
    color: var(--text);
}

#submit-btn {
    padding: 12px 22px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background: var(--accent);
    color: white;
    cursor: pointer;
    transition: opacity 0.15s;
}

#submit-btn:hover { opacity: 0.9; }
#submit-btn:disabled { opacity: 0.6; cursor: default; }

.options-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 14px;
    max-width: 620px;
    margin: 0 auto 24px;
}

#expected {
    flex: 1;
    min-width: 220px;
    padding: 9px 12px;
    font-size: 0.85rem;
    border-radius: 8px;
    border: 1px solid var(--panel-border);
    background: var(--panel);
    color: var(--text);
}

#expected:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.local-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
}

.local-toggle input {
    accent-color: var(--accent);
}

.summary {
    max-width: 620px;
    margin: 0 auto 20px;
    padding: 14px 18px;
    border-radius: 8px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    text-align: center;
    font-size: 0.95rem;
}

.summary.all-good { border-color: var(--green); }
.summary.partial { border-color: var(--yellow); }
.summary.all-bad { border-color: var(--red); }

.summary .big-count {
    font-size: 1.4rem;
    font-weight: 700;
}

.error-box {
    max-width: 620px;
    margin: 0 auto 20px;
    padding: 14px 18px;
    border-radius: 8px;
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid var(--red);
    color: var(--red);
    text-align: center;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 12px;
}

.result-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 14px 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.result-card .flag {
    font-size: 1.6rem;
    line-height: 1;
    margin-top: 2px;
}

.result-card .info {
    flex: 1;
    min-width: 0;
}

.result-card .resolver-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.result-card .country {
    color: var(--text-dim);
    font-size: 0.8rem;
    margin-bottom: 6px;
}

.result-card .records {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.85rem;
    word-break: break-all;
    line-height: 1.5;
}

.result-card .records div { margin-bottom: 2px; }

.result-card .message {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-style: italic;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}

.status-dot.ok { background: var(--green); }
.status-dot.mismatch { background: var(--yellow); }
.status-dot.no-match { background: var(--red); }
.status-dot.nxdomain { background: var(--red); }
.status-dot.empty { background: var(--gray); }
.status-dot.error { background: var(--gray); }

.result-card.ok { border-left: 3px solid var(--green); }
.result-card.mismatch { border-left: 3px solid var(--yellow); }
.result-card.no-match { border-left: 3px solid var(--red); }
.result-card.nxdomain { border-left: 3px solid var(--red); }
.result-card.empty, .result-card.error { border-left: 3px solid var(--gray); }

.result-card.local { background: #1a2236; }

.local-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 1px 5px;
    vertical-align: middle;
}

.loading {
    text-align: center;
    color: var(--text-dim);
    padding: 40px 0;
    grid-column: 1 / -1;
}

.site-footer {
    max-width: 620px;
    margin: 48px auto 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
    line-height: 1.5;
}