/* === 주택 구매 비용 계산기 공통 스타일 === */

.back-link {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    transition: all 0.2s;
    text-decoration: none;
}

.back-link:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-accent);
}

.calculator-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.input-card,
.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.input-card h3,
.result-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.input-group {
    margin-bottom: 16px;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.input-with-unit {
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.input-with-unit input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 16px;
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
}

.input-with-unit .unit {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-left: 1px solid var(--border);
}

.input-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 6px;
    opacity: 0.8;
}

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.radio-label:hover {
    border-color: var(--border-accent);
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-label span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.radio-label input[type="radio"]:checked + span {
    color: var(--accent);
}

.radio-label:has(input:checked) {
    border-color: var(--accent);
    background: rgba(212, 175, 55, 0.1);
}

.calculate-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
    margin-top: 8px;
}

.calculate-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* 결과 카드 */
.result-summary {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.2), rgba(76, 175, 80, 0.05));
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.result-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: #4CAF50;
    font-family: 'SF Mono', 'Roboto Mono', monospace;
}

.result-breakdown {
    margin-top: 20px;
}

.result-breakdown h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.breakdown-section {
    background: var(--bg-dark);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}

.breakdown-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.breakdown-amount {
    color: var(--accent);
    font-family: 'SF Mono', 'Roboto Mono', monospace;
}

.breakdown-detail {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 0.85rem;
}

.detail-row span:first-child {
    color: var(--text-secondary);
}

.detail-row span:last-child {
    color: var(--text-primary);
}

.result-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 16px;
    padding: 12px;
    background: rgba(255, 193, 7, 0.1);
    border-radius: 8px;
}

/* 세율표 */
.rate-table-details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.rate-table-details summary {
    padding: 16px 20px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.rate-table-details summary:hover {
    background: var(--bg-card-hover);
}

.rate-table-content {
    padding: 0 20px 20px;
}

.rate-table-content h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 20px 0 12px;
}

.rate-table-content h4:first-child {
    margin-top: 0;
}

.section-title {
    font-weight: 600;
    color: var(--accent);
    margin: 16px 0 8px;
    font-size: 0.9rem;
}

.rate-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.rate-table th,
.rate-table td {
    padding: 10px 12px;
    text-align: left;
    border: 1px solid var(--border);
}

.rate-table th {
    background: var(--bg-dark);
    color: var(--text-secondary);
    font-weight: 600;
}

.rate-table td {
    color: var(--text-primary);
}

.rate-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 체크박스 그룹 */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.checkbox-label:hover {
    border-color: var(--border-accent);
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
}

.checkbox-label span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label:has(input:checked) span {
    color: var(--accent);
}

/* 반응형 */
@media (max-width: 500px) {
    .input-card,
    .result-card {
        padding: 16px;
    }
    
    .result-value {
        font-size: 1.6rem;
    }
    
    .radio-group {
        flex-direction: column;
    }
    
    .rate-table {
        font-size: 0.75rem;
    }
    
    .rate-table th,
    .rate-table td {
        padding: 8px 6px;
    }
}