/* 진수 변환기 전용 스타일 */

.base-converter-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
}

@media (max-width: 600px) {
    .base-converter-grid {
        grid-template-columns: 1fr;
    }
}

.base-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem 1.1rem;
    transition: border-color 0.2s;
}

.base-card:focus-within {
    border-color: var(--pastel-blue-1);
}

.base-card.input-error {
    border-color: #f44336;
}

.base-card-header {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}

.base-label {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.base-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.base-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.base-input {
    flex: 1;
    font-family: monospace;
    font-size: 1rem;
    letter-spacing: 0.03em;
    min-width: 0;
}

.base-input.error {
    border-color: #f44336;
    background: #fff5f5;
}

.copy-base-btn {
    flex-shrink: 0;
    background: none;
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: background 0.2s, color 0.2s;
}

.copy-base-btn:hover {
    background: var(--pastel-blue-1);
    color: #fff;
    border-color: var(--pastel-blue-1);
}

/* 비트 시각화 */
.bit-visualizer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bit-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.bit-row-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 3.8rem;
    flex-shrink: 0;
}

.bit-boxes {
    display: flex;
    gap: 3px;
    flex-wrap: wrap;
}

.bit-group {
    display: flex;
    gap: 2px;
}

.bit-group + .bit-group {
    margin-left: 6px;
}

.bit {
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    font-family: monospace;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
}

.bit-zero {
    background: var(--pastel-blue-3);
    color: var(--text-secondary);
}

.bit-one {
    background: var(--pastel-blue-1);
    color: #fff;
}

@media (max-width: 480px) {
    .bit {
        width: 1.1rem;
        height: 1.1rem;
        font-size: 0.55rem;
    }
}

.limits-table-wrapper {
    overflow-x: auto;
}