/* subnet-calc.css */

.subnet-main { max-width: 680px; }

.input-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    flex-wrap: wrap;
}
.input-row .tool-input { flex: 1; min-width: 200px; }

.hint-text {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin: 0 0 1.2rem;
}

.result-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.result-card-title {
    background: var(--color-primary);
    color: #fff;
    padding: 0.6rem 1rem;
    font-weight: 700;
    font-size: 0.95rem;
    font-family: var(--font-mono);
}

.result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.result-field {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
}

.result-field:nth-child(even) { border-right: none; }

.result-field-key {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.result-field-val {
    font-family: var(--font-mono);
    font-size: 0.92rem;
    font-weight: 600;
    word-break: break-all;
}

.result-field-val.val-ok  { color: #1a7d44; }
.result-field-val.val-big { color: var(--color-primary); }

/* Usable hosts table */
.hosts-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.88rem;
}
.hosts-table th {
    background: #f0f4fa;
    padding: 0.35rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-main);
    border-bottom: 1px solid var(--color-border);
}
.hosts-table td { padding: 0.45rem 1rem; border-bottom: 1px solid #f0f0f0; }
.hosts-table tr:last-child td { border-bottom: none; }

.subnet-error {
    background: #fff0f0;
    border: 1px solid #f5c2c2;
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: #c00;
    font-size: 0.9rem;
}

@media (max-width: 480px) {
    .input-row   { flex-direction: column; }
    .result-grid { grid-template-columns: 1fr; }
    .result-field { border-right: none; }
}