/**
 * INIP 플랫폼 글로벌 스타일 시스템
 * 
 * Healthcare Global Standard 컬러 시스템 및 타이포그래피
 * 작성일: 2025-01-01
 */

/* ============================================
   CSS 변수 정의 (Design Tokens)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700;800&family=Poppins:wght@600;700;800&display=swap');

:root {
  /* 컬러 시스템 - Healthcare Global Standard */
  --color-primary: #1E3A8A;        /* Deep Blue - 주요 액션, 브랜드 컬러 */
  --color-primary-hover: #1E40AF;
  --color-primary-light: #3B82F6;
  --color-primary-dark: #1E293B;
  --color-brand-ink: #142238;
  --color-brand-navy: #2D3E50;
  --color-brand-navy-deep: #1F2B38;
  --color-brand-navy-soft: #344151;
  --color-brand-blue: #4B9CFF;
  --color-brand-blue-strong: #2F73FF;
  --color-brand-blue-soft: #DBEAFE;
  
  --color-secondary: #0D9488;      /* Calm Teal - 보조 액션, 정보 표시 */
  --color-secondary-hover: #14B8A6;
  --color-secondary-light: #2DD4BF;
  --color-secondary-dark: #0F766E;
  
  --color-accent: #22C55E;         /* Soft Green - 성공, 긍정적 상태 */
  --color-accent-hover: #16A34A;
  --color-accent-light: #4ADE80;
  --color-accent-dark: #15803D;
  
  --color-warning: #F59E0B;        /* Amber - 경고, 주의 필요 */
  --color-warning-hover: #D97706;
  --color-warning-light: #FBBF24;
  --color-warning-dark: #B45309;
  
  --color-danger: #EF4444;        /* Red - 위험, 에러, 중단 */
  --color-danger-hover: #DC2626;
  --color-danger-light: #F87171;
  --color-danger-dark: #B91C1C;
  
  --color-background: #F4F8FC;     /* Light canvas - 페이지 전체 배경 */
  --color-background-alt: #FFFFFF; /* Core surface - 카드, 입력, 본문 */
  --color-background-dark: #E9F0F7; /* Soft alternate surface */
  --color-canvas: #EEF4FA;
  --color-canvas-accent: rgba(75, 156, 255, 0.12);
  --color-canvas-highlight: rgba(13, 148, 136, 0.08);
  --color-sidebar-surface: #263746;
  --color-sidebar-surface-deep: #1D2D3C;
  --color-sidebar-hover: rgba(219, 234, 254, 0.10);
  --color-sidebar-active: rgba(75, 156, 255, 0.22);
  --color-sidebar-text: rgba(219, 234, 254, 0.86);
  --color-sidebar-text-muted: rgba(219, 234, 254, 0.64);
  --color-sidebar-line: rgba(255, 255, 255, 0.12);
  --color-surface-soft: rgba(255, 255, 255, 0.78);
  --color-surface-strong-border: rgba(203, 213, 225, 0.85);
  
  --color-text-primary: #142238;   /* Dark navy - 주요 텍스트 */
  --color-text-secondary: #54657C; /* Medium slate - 보조 텍스트 */
  --color-text-tertiary: #9CA3AF;  /* Light Gray - 터치어리 텍스트 */
  --color-text-inverse: #FFFFFF;   /* 흰색 - 역색 텍스트 */
  
  --color-border: #E5E7EB;         /* Light Border - 경계선 */
  --color-border-light: #F3F4F6;
  --color-border-dark: #D1D5DB;
  
  /* 타이포그래피 */
  --font-family-base: 'Noto Sans KR', 'Noto Sans', 'Apple SD Gothic Neo',
                      -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
                      'Helvetica Neue', Arial, sans-serif;
  --font-family-brand: 'Poppins', 'Noto Sans KR', 'Noto Sans', 'Apple SD Gothic Neo',
                       -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
                       'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 
                      'Courier New', monospace;
  
  /* 폰트 크기 */
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 15px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  --font-size-4xl: 32px;
  
  /* 폰트 두께 */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* 라인 높이 */
  --line-height-tight: 1.2;
  --line-height-normal: 1.3;
  --line-height-relaxed: 1.5;
  --line-height-loose: 1.6;
  
  /* 간격 (Spacing) */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* 테두리 반경 */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-full: 9999px;
  
  /* Z-index 계층 */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-sidebar: 400;
  --z-modal-backdrop: 500;
  --z-modal: 600;
  --z-tooltip: 700;
  
  /* 그림자 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.07);
  
  /* 전환 효과 */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
  
  /* Z-index 계층 */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* 헤더 높이 */
  --header-height-desktop: 64px;
  --header-height-tablet: 56px;
  --header-height-mobile: 56px;
  
  /* 최소 터치 영역 (WCAG) */
  --touch-target-min: 44px;

  /* Desktop sidebar layout */
  --desktop-sidebar-width: 240px;
  --desktop-sidebar-width-min: 220px;
  --desktop-sidebar-width-max: 420px;
  --desktop-sidebar-resizer-hit-area: 18px;
}

/* ============================================
   기본 리셋 및 기본 스타일
   ============================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px; /* 기본 폰트 크기 (고령자 모드에서 조정) */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  background-color: var(--color-canvas);
  background-image:
    radial-gradient(circle at top left, var(--color-canvas-accent), transparent 28%),
    radial-gradient(circle at top right, var(--color-canvas-highlight), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, var(--color-canvas) 46%, #f3f7fb 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* PC web shell skin guard.
   Keeps the desktop navigation readable even when a stale component cache is present. */
@media (min-width: 1024px) {
  #desktopSidebarContainer .desktop-sidebar {
    background:
      radial-gradient(circle at 50% 0%, rgba(75, 156, 255, 0.2), transparent 42%),
      linear-gradient(180deg, var(--color-sidebar-surface) 0%, var(--color-sidebar-surface-deep) 100%) !important;
    border-right-color: var(--color-sidebar-line) !important;
    box-shadow: 14px 0 34px rgba(5, 15, 25, 0.16) !important;
  }

  #desktopSidebarContainer .desktop-sidebar-nav {
    padding: 16px 10px !important;
  }

  #desktopSidebarContainer .desktop-nav-item {
    margin: 3px 0 !important;
    padding: 0 14px !important;
    border-left: 0 !important;
    border-radius: 16px !important;
    color: var(--color-sidebar-text) !important;
    background: transparent !important;
  }

  #desktopSidebarContainer .desktop-nav-item:hover,
  #desktopSidebarContainer .desktop-nav-item:focus-visible {
    color: #ffffff !important;
    background: rgba(75, 156, 255, 0.18) !important;
    outline: 2px solid rgba(219, 234, 254, 0.22) !important;
    outline-offset: -2px !important;
  }

  #desktopSidebarContainer .desktop-nav-item.active,
  #desktopSidebarContainer .desktop-nav-item.active:hover,
  #desktopSidebarContainer .desktop-nav-item.active:focus-visible {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--color-brand-blue-strong), var(--color-brand-blue)) !important;
    box-shadow: 0 12px 26px rgba(47, 115, 255, 0.32) !important;
  }

  #desktopSidebarContainer .desktop-nav-group-toggle.active,
  #desktopSidebarContainer .desktop-nav-group-toggle.active:hover,
  #desktopSidebarContainer .desktop-nav-group-toggle.active:focus-visible {
    color: #ffffff !important;
    background: rgba(75, 156, 255, 0.18) !important;
    box-shadow: inset 0 0 0 1px rgba(219, 234, 254, 0.16) !important;
  }

  #desktopSidebarContainer .desktop-nav-group-children {
    position: relative !important;
    display: grid !important;
    gap: 4px !important;
    margin: 4px 0 8px 12px !important;
    padding-left: 10px !important;
  }

  #desktopSidebarContainer .desktop-nav-group-children::before {
    content: "" !important;
    position: absolute !important;
    top: 6px !important;
    bottom: 6px !important;
    left: 0 !important;
    width: 1px !important;
    border-radius: 999px !important;
    background: rgba(219, 234, 254, 0.18) !important;
  }

  #desktopSidebarContainer .desktop-nav-sub-item {
    min-height: 46px !important;
    padding-left: 14px !important;
    color: var(--color-sidebar-text-muted) !important;
  }

  #desktopSidebarContainer .desktop-nav-sub-item:hover,
  #desktopSidebarContainer .desktop-nav-sub-item:focus-visible {
    color: #ffffff !important;
  }

  #desktopSidebarContainer .desktop-nav-sub-item.active,
  #desktopSidebarContainer .desktop-nav-sub-item.active:hover,
  #desktopSidebarContainer .desktop-nav-sub-item.active:focus-visible {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--color-brand-blue-strong), var(--color-brand-blue)) !important;
    box-shadow: 0 12px 26px rgba(47, 115, 255, 0.32) !important;
  }

  #desktopSidebarContainer .desktop-nav-group-toggle .nav-group-arrow,
  #desktopSidebarContainer .desktop-nav-group-toggle .nav-chevron {
    color: rgba(219, 234, 254, 0.72) !important;
  }

  #desktopSidebarContainer .desktop-sidebar-footer {
    padding: 12px 10px !important;
    border-top-color: var(--color-sidebar-line) !important;
  }
}

.brand-font {
  font-family: var(--font-family-brand);
  letter-spacing: -0.03em;
}

/* 컴포넌트 로딩 완료 후 클릭 가능 (기본적으로 클릭 가능) */
body.components-ready {
  pointer-events: auto;
  cursor: default;
}

body.components-ready * {
  pointer-events: auto;
}

/* ============================================
   타이포그래피
   ============================================ */

/* 페이지 제목 */
.page-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

/* 카드 제목 */
.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

/* 본문 텍스트 */
.body-text {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
}

/* 보조 텍스트 */
.text-secondary {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

/* 작은 텍스트 */
.text-small {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

/* ============================================
   링크 스타일
   ============================================ */

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============================================
   고령자 모드 (접근성)
   ============================================ */

.accessibility-mode {
  font-size: 125%; /* +25% */
}

.accessibility-mode .body-text {
  font-size: 20px; /* 16px * 1.25 = 20px */
  line-height: var(--line-height-loose);
}

.accessibility-mode .card-title {
  font-size: 25px; /* 20px * 1.25 = 25px */
}

.accessibility-mode .page-title {
  font-size: 35px; /* 28px * 1.25 = 35px */
}

.accessibility-mode * {
  transition: none !important; /* 애니메이션 비활성화 */
}

/* ============================================
   유틸리티 클래스
   ============================================ */

/* 텍스트 정렬 */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* 텍스트 색상 */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-inverse { color: var(--color-text-inverse); }

/* 배경 색상 */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-background { background-color: var(--color-background); }
.bg-background-alt { background-color: var(--color-background-alt); }

/* 숨김 처리 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   Rate Limit 모달
   ============================================ */

.rate-limit-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.rate-limit-modal.show {
  opacity: 1;
  visibility: visible;
}

.rate-limit-modal-content {
  background: var(--color-background-alt);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.rate-limit-modal.show .rate-limit-modal-content {
  transform: scale(1);
}

.rate-limit-modal-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  background: #fff3cd;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.rate-limit-modal-header h3 {
  margin: 0;
  color: #856404;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.rate-limit-modal-body {
  padding: var(--spacing-xl);
}

.rate-limit-modal-body p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
}

.rate-limit-info {
  color: var(--color-text-secondary) !important;
  font-size: var(--font-size-sm) !important;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-background-dark);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-warning);
}

.rate-limit-modal-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.rate-limit-modal-footer .btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
}

.rate-limit-modal-footer .btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.rate-limit-modal-footer .btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.rate-limit-modal-footer .btn-primary:active {
  transform: translateY(0);
}

.rate-limit-modal-footer .btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
  .rate-limit-modal-content {
    width: 95%;
    max-width: none;
  }
  
  .rate-limit-modal-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .rate-limit-modal-header h3 {
    font-size: var(--font-size-lg);
  }
  
  .rate-limit-modal-body {
    padding: var(--spacing-lg);
  }
  
  .rate-limit-modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    flex-direction: column;
  }
  
  .rate-limit-modal-footer .btn {
    width: 100%;
  }
}

/* ============================================
   신규 회원 가입 안내 모달
   ============================================ */

.signup-suggestion-modal {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: rgba(0, 0, 0, 0.85) !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  z-index: 2147483647 !important; /* 최대 z-index 값 - 모든 요소 위에 표시 */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  backdrop-filter: blur(4px); /* 배경 블러 효과 */
  margin: 0 !important;
  padding: 0 !important;
  pointer-events: auto !important; /* 모달 자체는 클릭 가능 */
}

.signup-suggestion-modal.show {
  opacity: 1;
  visibility: visible;
}

.signup-suggestion-modal-content {
  background: var(--color-background-alt);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
  position: relative !important;
  z-index: 100000 !important; /* 모달 내용도 최상위 */
  pointer-events: auto !important; /* 클릭 가능하도록 */
}

.signup-suggestion-modal.show .signup-suggestion-modal-content {
  transform: scale(1);
}

.signup-suggestion-modal-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.signup-suggestion-modal-header h3 {
  margin: 0;
  color: var(--color-text-inverse);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.signup-suggestion-modal-body {
  padding: var(--spacing-xl);
}

.signup-suggestion-modal-body p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
}

.signup-suggestion-info {
  color: var(--color-text-secondary) !important;
  font-size: var(--font-size-sm) !important;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-background-dark);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.signup-suggestion-modal-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.signup-suggestion-modal-footer .btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer !important;
  transition: all var(--transition-base);
  pointer-events: auto !important; /* 버튼 클릭 가능하도록 */
  position: relative;
  z-index: 100001 !important; /* 최상위 z-index */
}

.signup-suggestion-modal-footer .btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.signup-suggestion-modal-footer .btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.signup-suggestion-modal-footer .btn-secondary {
  background: var(--color-background-dark);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.signup-suggestion-modal-footer .btn-secondary:hover {
  background: var(--color-border);
}

/* 모바일 반응형 */
@media (max-width: 768px) {
  .signup-suggestion-modal-content {
    width: 95%;
    max-width: none;
  }
  
  .signup-suggestion-modal-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .signup-suggestion-modal-header h3 {
    font-size: var(--font-size-lg);
  }
  
  .signup-suggestion-modal-body {
    padding: var(--spacing-lg);
  }
  
  .signup-suggestion-modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    flex-direction: column;
  }
  
  .signup-suggestion-modal-footer .btn {
    width: 100%;
  }
}

/* ============================================
   인쇄 스타일
   ============================================ */

@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a,
  a:visited {
    text-decoration: underline;
  }
  
  .no-print {
    display: none !important;
  }
  
  .rate-limit-modal {
    display: none !important;
  }
}