/* 일광화상 계산기 CSS */

/* 전역 box-sizing */
.sunburn-calculator-container,
.sunburn-calculator-container *,
.sunburn-calculator-container *::before,
.sunburn-calculator-container *::after {
  box-sizing: border-box;
}

/* 🌞 라이트 모드 CSS 변수 */
.sunburn-calculator-container {
  /* 배경색 */
  --bg-primary: #f5f5f0;
  --bg-secondary: #fff;
  --bg-section: #fff;
  
  /* 테두리 */
  --border-color: #333;
  
  /* 텍스트 */
  --text-primary: #222;
  --text-secondary: #555;
  --text-light: #666;
  
  /* 브랜드 색상 */
  --color-accent: #3498db;
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  --color-purple: #9b59b6;
  --color-teal: #1abc9c;
  
  /* 그림자 (네오브루탈리즘) */
  --shadow-sm: 2px 2px 0 rgba(0,0,0,0.1);
  --shadow-md: 4px 4px 0 rgba(0,0,0,0.15);
  --shadow-lg: 8px 8px 0 rgba(0,0,0,0.15);
  
  /* 입력 포커스 */
  --input-focus-bg: #fffacd;
  
  /* 헤더 타이틀 */
  --title-color: #2c3e50;
  --title-shadow: 2px 2px 0 rgba(255,255,255,0.5);
  
  /* 버튼 호버 배경 */
  --btn-hover-overlay: rgba(0,0,0,0.1);
  
  /* 복사 버튼 배경 */
  --copy-btn-bg: #fff;
  --copy-btn-hover-bg: #f0f0f0;
}

/* 메인 컨테이너 - 2px 테두리 */
.sunburn-calculator-container {
  position: relative;
  max-width: 1180px;
  width: 100%;
  margin: 15px auto;
  padding: 12px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  font-family: 'Noto Sans KR', 'Malgun Gothic', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  line-height: 1.5;
}

/* 헤더 */
.sunburn-calculator-container .calculator-header {
  text-align: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 3px double var(--border-color);
}

.sunburn-calculator-container .calculator-header h2 {
  margin: 0 0 6px 0;
  font-size: 28px;
  font-weight: 700;
  color: var(--title-color);
  text-shadow: var(--title-shadow);
  line-height: 1.2;
}

.sunburn-calculator-container .subtitle {
  margin: 0;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.4;
}

/* 메인 그리드 */
.sunburn-calculator-container .calculator-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

/* 섹션 공통 - 1px 테두리 */
.sunburn-calculator-container .input-section,
.sunburn-calculator-container .result-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 12px;
  box-shadow: var(--shadow-md);
}

/* 섹션 타이틀 */
.sunburn-calculator-container .section-title {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 10px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  font-size: 17px;
  font-weight: 700;
  color: #2c3e50;
  line-height: 1.2;
}

.sunburn-calculator-container .input-section .section-title {
  color: var(--color-accent);
}

.sunburn-calculator-container .result-section .section-title {
  color: var(--color-success);
}

/* 입력 그룹 */
.sunburn-calculator-container .input-group {
  margin-bottom: 12px;
}

.sunburn-calculator-container .input-group label {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.sunburn-calculator-container .input-group select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-section);
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  transition: all 0.2s;
}

.sunburn-calculator-container .input-group select:focus {
  outline: none;
  background: var(--input-focus-bg);
  border-color: var(--color-accent);
}

.sunburn-calculator-container .input-help {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-light);
}

/* 계산하기 버튼 - 1.5px 테두리 */
.sunburn-calculator-container .btn-calculate {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--color-accent);
  border: 1.5px solid var(--border-color);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.2);
  font-family: inherit;
  margin-bottom: 10px;
}

.sunburn-calculator-container .btn-calculate:hover {
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.2);
}

.sunburn-calculator-container .btn-calculate:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

/* 버튼 그룹 */
.sunburn-calculator-container .button-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* 샘플 버튼 - 1px 테두리 */
.sunburn-calculator-container .btn-sample {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  background: var(--color-success);
  border: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2);
  font-family: inherit;
  white-space: nowrap;
}

.sunburn-calculator-container .btn-sample:hover {
  transform: translate(0.5px, 0.5px);
  box-shadow: 1.5px 1.5px 0 rgba(0,0,0,0.2);
}

.sunburn-calculator-container .btn-sample:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

/* 초기화 버튼 - 1px 테두리 */
.sunburn-calculator-container .btn-reset {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  background: var(--color-warning);
  border: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2);
  font-family: inherit;
}

.sunburn-calculator-container .btn-reset:hover {
  transform: translate(0.5px, 0.5px);
  box-shadow: 1.5px 1.5px 0 rgba(0,0,0,0.2);
}

.sunburn-calculator-container .btn-reset:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

/* 결과 그룹 */
.sunburn-calculator-container .result-group {
  margin-bottom: 12px;
}

.sunburn-calculator-container .result-group label {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

/* 위험도 레벨 */
.sunburn-calculator-container .risk-level {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.sunburn-calculator-container .risk-badge {
  padding: 10px 20px;
  border: 2px solid var(--border-color);
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  box-shadow: var(--shadow-sm);
  min-width: 150px;
}

.sunburn-calculator-container .risk-badge.low {
  background: #d4edda;
  color: #155724;
  border-color: #28a745;
}

.sunburn-calculator-container .risk-badge.moderate {
  background: #fff3cd;
  color: #856404;
  border-color: #ffc107;
}

.sunburn-calculator-container .risk-badge.high {
  background: #f8d7da;
  color: #721c24;
  border-color: #dc3545;
}

.sunburn-calculator-container .risk-badge.very-high {
  background: #721c24;
  color: #fff;
  border-color: #721c24;
}

/* 결과 값 래퍼 */
.sunburn-calculator-container .result-value-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sunburn-calculator-container .result-value {
  flex: 1;
  padding: 10px 12px;
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  font-size: 16px;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  color: var(--text-primary);
}

/* 복사 버튼 */
.sunburn-calculator-container .btn-copy-small {
  padding: 10px;
  background: var(--copy-btn-bg);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sunburn-calculator-container .btn-copy-small:hover {
  background: var(--copy-btn-hover-bg);
  transform: translate(0.5px, 0.5px);
  box-shadow: 1.5px 1.5px 0 rgba(0,0,0,0.1);
}

.sunburn-calculator-container .btn-copy-small:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.sunburn-calculator-container .btn-copy-small svg {
  color: var(--text-secondary);
}

/* 권장사항 */
.sunburn-calculator-container .recommendation {
  padding: 12px;
  background: #e8f4f8;
  border: 1px solid #bee5eb;
  border-left: 4px solid var(--color-teal);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
}

/* 정보 박스 */
.sunburn-calculator-container .info-box {
  display: flex;
  gap: 10px;
  padding: 10px;
  background: #fff9e6;
  border: 1px solid #ffeaa7;
  border-left: 4px solid var(--color-warning);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
  margin-top: 12px;
}

.sunburn-calculator-container .info-box svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-warning);
}

.sunburn-calculator-container .info-box strong {
  font-weight: 700;
}

/* 토스트 알림 */
.sunburn-calculator-container .toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: #fff;
  border: 2px solid var(--border-color);
  box-shadow: 6px 6px 0 rgba(0,0,0,0.2);
  transform: translateX(400px);
  transition: transform 0.3s ease;
  z-index: 1000;
  max-width: 350px;
}

.sunburn-calculator-container .toast.show {
  transform: translateX(0);
}

.sunburn-calculator-container .toast-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-success);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.sunburn-calculator-container .toast-content {
  flex: 1;
}

.sunburn-calculator-container .toast-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.sunburn-calculator-container .toast-message {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .sunburn-calculator-container {
    margin: 8px 5px;
    width: calc(100% - 10px);
    padding: 10px;
  }

  .sunburn-calculator-container .calculator-main {
    grid-template-columns: 1fr;
  }

  .sunburn-calculator-container .calculator-header h2 {
    font-size: 24px;
  }

  .sunburn-calculator-container .subtitle {
    font-size: 14px;
  }

  .sunburn-calculator-container .toast {
    right: 12px;
    bottom: 12px;
    max-width: calc(100vw - 24px);
  }
}

@media (max-width: 480px) {
  .sunburn-calculator-container {
    padding: 8px;
    border-width: 1px;
  }

  .sunburn-calculator-container .calculator-header h2 {
    font-size: 22px;
  }

  .sunburn-calculator-container .subtitle {
    font-size: 13px;
  }

  .sunburn-calculator-container .btn-calculate {
    font-size: 15px;
    padding: 10px 16px;
  }

  .sunburn-calculator-container .button-group {
    flex-direction: column;
  }

  .sunburn-calculator-container .button-group button {
    width: 100%;
    justify-content: center;
  }

  .sunburn-calculator-container .risk-badge {
    font-size: 16px;
    padding: 8px 16px;
    min-width: 120px;
  }
}