/* 대출 상환 시뮬레이터 전용 스타일 */

/* 입력 그리드 */
.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-label {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper .form-input {
  padding-right: 3rem;
  flex: 1;
}

.input-suffix {
  position: absolute;
  right: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  pointer-events: none;
}

.input-help {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* 버튼 그룹 */
.button-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.calculate-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.calculate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

.reset-btn {
  background: var(--surface-color);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.reset-btn:hover {
  background: var(--hover-color);
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

/* 요약 카드 */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.summary-card {
  background: var(--surface-color);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.summary-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-content h3 {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.card-note {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.3;
}

/* 차트 컨테이너 */
.chart-container {
  background: var(--surface-color);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.chart-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  white-space: nowrap;
}

.tab-btn.active {
  background: var(--primary-color);
  color: white;
}

.tab-btn:not(.active):hover {
  background: var(--hover-color);
  color: var(--text-primary);
}

.chart-wrapper {
  position: relative;
  height: 400px;
  width: 100%;
  overflow: hidden;
}

.chart-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.chart-canvas.active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

/* 조기상환 분석 */
.early-payment-input {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 2rem;
}

.early-payment-results {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.comparison-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.comparison-card {
  background: var(--surface-color);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
}

.comparison-card.before {
  border-left: 4px solid #f39c12;
}

.comparison-card.after {
  border-left: 4px solid #27ae60;
}

.comparison-card.savings {
  border-left: 4px solid var(--primary-color);
  background: linear-gradient(135deg, rgba(74, 144, 226, 0.05), rgba(138, 43, 226, 0.05));
}

.comparison-card h4 {
  margin: 0 0 1rem 0;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
}

.comparison-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.comparison-item:last-child {
  border-bottom: none;
}

.comparison-item.highlight {
  font-weight: 600;
  color: var(--primary-color);
}

/* 비교 테이블 */
.comparison-table-container {
  background: var(--surface-color);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
  margin-bottom: 2rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 1rem;
  text-align: left;
  font-weight: 600;
}

.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.comparison-table tr:hover {
  background: var(--hover-color);
}

/* 스케줄 테이블 */
.schedule-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.schedule-summary {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.schedule-actions {
  display: flex;
  gap: 0.5rem;
}

.action-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-primary);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.action-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.table-container {
  background: var(--surface-color);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  max-height: 600px;
  overflow-y: auto;
  position: relative;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
}

.schedule-table th {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
  color: white;
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

/* 헤더 표시 강제 */
.schedule-table thead {
  display: table-header-group;
}

.schedule-table thead tr {
  display: table-row;
}

.schedule-table thead th {
  display: table-cell;
}

.schedule-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.schedule-table tr:nth-child(even) {
  background: rgba(74, 144, 226, 0.02);
}

.schedule-table tr:hover {
  background: var(--hover-color);
}

/* 팁 섹션 */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.tip-card {
  background: var(--surface-color);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.tip-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.tip-card h3 {
  margin: 0 0 1rem 0;
  color: var(--primary-color);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tip-card p {
  margin: 0 0 1rem 0;
  line-height: 1.6;
  color: var(--text-primary);
}

.tip-pros-cons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pros, .cons {
  padding: 0.5rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.pros {
  background: rgba(39, 174, 96, 0.1);
  color: #27ae60;
  border-left: 3px solid #27ae60;
}

.cons {
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
  border-left: 3px solid #e74c3c;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .input-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .summary-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .summary-card {
    flex-direction: column;
    text-align: center;
  }
  
  .card-icon {
    margin: 0 auto;
  }
  
  .chart-tabs {
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .chart-wrapper {
    height: 300px;
  }
  
  .early-payment-input {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .comparison-cards {
    grid-template-columns: 1fr;
  }
  
  .schedule-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .schedule-actions {
    justify-content: center;
  }
  
  .tips-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-table,
  .schedule-table {
    font-size: 0.8rem;
  }
  
  .comparison-table th,
  .comparison-table td,
  .schedule-table th,
  .schedule-table td {
    padding: 0.5rem;
  }
}

@media (max-width: 480px) {
  .button-group {
    flex-direction: column;
  }
  
  .calculate-btn,
  .reset-btn {
    width: 100%;
    justify-content: center;
  }
  
  .card-value {
    font-size: 1.25rem;
  }
  
  .chart-wrapper {
    height: 250px;
  }
}

/* 섹션 간격 추가 */
.tool-section {
  margin-bottom: 3rem;
  clear: both;
  position: relative;
  z-index: 1;
}

.tool-section:last-child {
  margin-bottom: 2rem;
}

/* 상환 스케줄 섹션 특별 처리 */
#schedule-section {
  position: relative;
  z-index: 2;
  padding: 1rem 0;
  margin-top: 2rem;
}