/* ========================================
   ILP Service - Intellectual Property Theme
   지적재산 플랫폼을 위한 전문적이고 지적인 디자인 테마
   ======================================== */

/* ===== 지적재산 테마 변수 정의 ===== */
:root {
  /* === Intellectual 브랜드 컬러 === */
  /* 딥 블루 계열 - 신뢰, 전문성, 지식 */
  --ip-primary: #1a3a52;           /* 딥 네이비 - 메인 */
  --ip-primary-light: #2c5282;     /* 라이트 네이비 */
  --ip-primary-dark: #0f2132;      /* 다크 네이비 */
  --ip-primary-subtle: #e6f2ff;    /* 서브틀 블루 */
  
  /* 실버/그레이 계열 - 기술, 혁신 */
  --ip-secondary: #64748b;          /* 슬레이트 그레이 */
  --ip-secondary-light: #94a3b8;    /* 라이트 슬레이트 */
  --ip-secondary-dark: #475569;     /* 다크 슬레이트 */
  
  /* 액센트 컬러 - 혁신, 아이디어 */
  --ip-accent: #0ea5e9;             /* 브라이트 블루 */
  --ip-accent-light: #38bdf8;       /* 라이트 액센트 */
  --ip-accent-dark: #0284c7;        /* 다크 액센트 */
  --ip-accent-glow: rgba(14, 165, 233, 0.2); /* 글로우 효과 */
  
  /* 지적 그라데이션 */
  --ip-gradient-primary: linear-gradient(135deg, #1a3a52 0%, #2c5282 100%);
  --ip-gradient-accent: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
  --ip-gradient-subtle: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
  --ip-gradient-mesh: radial-gradient(at 0% 0%, #dbeafe 0, transparent 50%),
                      radial-gradient(at 50% 0%, #e0e7ff 0, transparent 50%),
                      radial-gradient(at 100% 0%, #c7d2fe 0, transparent 50%);
  
  /* 의미론적 색상 */
  --ip-success: #10b981;
  --ip-warning: #f59e0b;
  --ip-danger: #ef4444;
  --ip-info: #3b82f6;
  
  /* 배경 색상 - 깨끗하고 전문적인 느낌 */
  --ip-bg-primary: #ffffff;
  --ip-bg-secondary: #f8fafc;
  --ip-bg-tertiary: #f1f5f9;
  --ip-bg-dark: #0f172a;
  --ip-bg-card: rgba(255, 255, 255, 0.95);
  --ip-bg-glass: rgba(255, 255, 255, 0.7);
  --ip-bg-overlay: rgba(15, 23, 42, 0.5);
  
  /* 텍스트 색상 */
  --ip-text-primary: #1e293b;
  --ip-text-secondary: #64748b;
  --ip-text-muted: #94a3b8;
  --ip-text-white: #ffffff;
  --ip-text-light: #f8fafc;
  
  /* 테두리 색상 */
  --ip-border: #e2e8f0;
  --ip-border-light: #f1f5f9;
  --ip-border-dark: #cbd5e1;
  --ip-border-focus: var(--ip-accent);
  
  /* 그림자 - 부드럽고 전문적인 느낌 */
  --ip-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --ip-shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06);
  --ip-shadow-md: 0 4px 8px rgba(15, 23, 42, 0.08);
  --ip-shadow-lg: 0 8px 16px rgba(15, 23, 42, 0.1);
  --ip-shadow-xl: 0 16px 32px rgba(15, 23, 42, 0.12);
  --ip-shadow-2xl: 0 24px 48px rgba(15, 23, 42, 0.14);
  --ip-shadow-inner: inset 0 2px 4px rgba(15, 23, 42, 0.06);
  --ip-shadow-glow: 0 0 20px var(--ip-accent-glow);
  
  /* 타이포그래피 - 전문적이고 가독성 높은 폰트 */
  --ip-font-family: 'Inter', 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  --ip-font-family-mono: 'JetBrains Mono', 'Consolas', monospace;
  
  /* 폰트 크기 */
  --ip-text-xs: 0.75rem;     /* 12px */
  --ip-text-sm: 0.875rem;    /* 14px */
  --ip-text-base: 1rem;      /* 16px */
  --ip-text-lg: 1.125rem;    /* 18px */
  --ip-text-xl: 1.25rem;     /* 20px */
  --ip-text-2xl: 1.5rem;     /* 24px */
  --ip-text-3xl: 1.875rem;   /* 30px */
  --ip-text-4xl: 2.25rem;    /* 36px */
  --ip-text-5xl: 3rem;       /* 48px */
  
  /* 폰트 굵기 */
  --ip-font-thin: 100;
  --ip-font-light: 300;
  --ip-font-normal: 400;
  --ip-font-medium: 500;
  --ip-font-semibold: 600;
  --ip-font-bold: 700;
  --ip-font-extrabold: 800;
  
  /* 줄 높이 */
  --ip-leading-tight: 1.25;
  --ip-leading-normal: 1.5;
  --ip-leading-relaxed: 1.75;
  
  /* 간격 */
  --ip-spacing-0: 0;
  --ip-spacing-1: 0.25rem;   /* 4px */
  --ip-spacing-2: 0.5rem;    /* 8px */
  --ip-spacing-3: 0.75rem;   /* 12px */
  --ip-spacing-4: 1rem;      /* 16px */
  --ip-spacing-5: 1.25rem;   /* 20px */
  --ip-spacing-6: 1.5rem;    /* 24px */
  --ip-spacing-8: 2rem;      /* 32px */
  --ip-spacing-10: 2.5rem;   /* 40px */
  --ip-spacing-12: 3rem;     /* 48px */
  --ip-spacing-16: 4rem;     /* 64px */
  --ip-spacing-20: 5rem;     /* 80px */
  
  /* 테두리 반경 */
  --ip-radius-none: 0;
  --ip-radius-sm: 0.25rem;
  --ip-radius-md: 0.375rem;
  --ip-radius-lg: 0.5rem;
  --ip-radius-xl: 0.75rem;
  --ip-radius-2xl: 1rem;
  --ip-radius-3xl: 1.5rem;
  --ip-radius-full: 9999px;
  
  /* 전환 효과 */
  --ip-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --ip-transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ip-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-인덱스 */
  --ip-z-base: 0;
  --ip-z-dropdown: 1000;
  --ip-z-sticky: 1020;
  --ip-z-fixed: 1030;
  --ip-z-modal-backdrop: 1040;
  --ip-z-modal: 1050;
  --ip-z-popover: 1060;
  --ip-z-tooltip: 1070;
  
  /* 컨테이너 너비 */
  --ip-container-sm: 640px;
  --ip-container-md: 768px;
  --ip-container-lg: 1024px;
  --ip-container-xl: 1280px;
  --ip-container-2xl: 1400px;
}

/* ===== 기본 리셋 및 베이스 스타일 ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--ip-font-family);
  font-size: var(--ip-text-base);
  line-height: var(--ip-leading-normal);
  color: var(--ip-text-primary);
  background: var(--ip-bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 지적재산 플랫폼 전용 레이아웃 ===== */
.ip-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--ip-gradient-mesh), var(--ip-bg-secondary);
}

/* ===== 헤더 (Intellectual Property Style) ===== */
.ip-header {
  background: var(--ip-bg-primary);
  border-bottom: 1px solid var(--ip-border);
  box-shadow: var(--ip-shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--ip-z-sticky);
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
}

.ip-header-inner {
  max-width: var(--ip-container-2xl);
  margin: 0 auto;
  padding: 0 var(--ip-spacing-6);
}

.ip-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--ip-spacing-8);
}

/* 브랜드 로고 - 전문적이고 신뢰감 있는 디자인 */
.ip-brand {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-3);
  text-decoration: none;
  transition: var(--ip-transition-base);
}

.ip-brand-logo {
  width: 44px;
  height: 44px;
  background: var(--ip-gradient-primary);
  border-radius: var(--ip-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ip-shadow-md);
  position: relative;
  overflow: hidden;
}

.ip-brand-logo::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: rotate(45deg);
  transition: var(--ip-transition-slow);
}

.ip-brand:hover .ip-brand-logo::before {
  animation: shine 0.5s ease-in-out;
}

.ip-brand-logo i {
  font-size: var(--ip-text-xl);
  color: var(--ip-text-white);
  z-index: 1;
}

.ip-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.ip-brand-name {
  font-size: var(--ip-text-xl);
  font-weight: var(--ip-font-bold);
  color: var(--ip-primary);
  letter-spacing: -0.02em;
}

.ip-brand-tagline {
  font-size: var(--ip-text-xs);
  color: var(--ip-text-secondary);
  font-weight: var(--ip-font-medium);
}

/* 네비게이션 - 깔끔하고 전문적인 스타일 */
.ip-nav {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-2);
}

.ip-nav-item {
  position: relative;
}

.ip-nav-link {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-2);
  padding: var(--ip-spacing-2) var(--ip-spacing-4);
  color: var(--ip-text-secondary);
  text-decoration: none;
  font-size: var(--ip-text-sm);
  font-weight: var(--ip-font-medium);
  border-radius: var(--ip-radius-lg);
  transition: var(--ip-transition-base);
  position: relative;
  background: transparent;
  border: none;
  cursor: pointer;
}

.ip-nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: var(--ip-spacing-4);
  right: var(--ip-spacing-4);
  height: 2px;
  background: var(--ip-accent);
  opacity: 0;
  transform: scaleX(0);
  transition: var(--ip-transition-base);
}

.ip-nav-link:hover {
  color: var(--ip-primary);
  background: var(--ip-bg-tertiary);
}

.ip-nav-link:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.ip-nav-link.active {
  color: var(--ip-primary);
  background: var(--ip-primary-subtle);
}

/* 드롭다운 - 미니멀하고 우아한 디자인 */
.ip-dropdown {
  position: relative;
}

/* 드롭다운 토글 - 여러 방법으로 아이콘 표시 */
.ip-dropdown-toggle .dropdown-icon {
  margin-left: var(--ip-spacing-1);
  font-size: var(--ip-text-xs);
  transition: transform 0.3s ease;
}

/* 방법 1: 간단한 CSS 화살표 (가장 안전한 방법) */
.ip-dropdown-toggle::after {
  content: '▼';
  margin-left: var(--ip-spacing-1);
  font-size: var(--ip-text-xs);
  transition: transform 0.3s ease;
  display: inline-block;
}

/* 방법 2: CSS 삼각형 */
.ip-dropdown-toggle.css-arrow::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: var(--ip-spacing-1);
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform 0.3s ease;
}

/* 방법 3: Bootstrap Icons (로컬에서 로드되는 경우) */
.ip-dropdown-toggle.use-bootstrap-icon::after {
  content: '\f282';
  font-family: 'bootstrap-icons', 'Bootstrap Icons';
  margin-left: var(--ip-spacing-1);
  font-size: var(--ip-text-xs);
  transition: transform 0.3s ease;
  display: inline-block;
}

.ip-dropdown.open .ip-dropdown-toggle::after {
  transform: rotate(180deg);
}

.ip-dropdown-menu {
  position: absolute;
  top: calc(100% + var(--ip-spacing-2));
  left: 0;
  background: var(--ip-bg-primary);
  border: 1px solid var(--ip-border);
  border-radius: var(--ip-radius-xl);
  box-shadow: var(--ip-shadow-xl);
  min-width: 220px;
  padding: var(--ip-spacing-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--ip-z-dropdown);
}

.ip-dropdown.open .ip-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ip-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-3);
  padding: var(--ip-spacing-2) var(--ip-spacing-3);
  color: var(--ip-text-secondary);
  text-decoration: none;
  font-size: var(--ip-text-sm);
  border-radius: var(--ip-radius-lg);
  transition: var(--ip-transition-fast);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.ip-dropdown-item:hover {
  background: var(--ip-bg-tertiary);
  color: var(--ip-primary);
}

.ip-dropdown-item i {
  width: 20px;
  text-align: center;
  color: var(--ip-accent);
}

.ip-dropdown-divider {
  height: 1px;
  background: var(--ip-border);
  margin: var(--ip-spacing-2) 0;
}

/* 헤더 액션 영역 */
.ip-header-actions {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-4);
}

/* 검색 - 스마트하고 모던한 디자인 */
.ip-search {
  position: relative;
  display: flex;
  align-items: center;
}

.ip-search-input {
  width: 280px;
  padding: var(--ip-spacing-2) var(--ip-spacing-4);
  padding-left: var(--ip-spacing-10);
  border: 2px solid var(--ip-border);
  border-radius: var(--ip-radius-full);
  background: var(--ip-bg-tertiary);
  font-size: var(--ip-text-sm);
  transition: var(--ip-transition-base);
  color: var(--ip-text-primary);
}

.ip-search-input:focus {
  outline: none;
  border-color: var(--ip-accent);
  background: var(--ip-bg-primary);
  box-shadow: 0 0 0 3px var(--ip-accent-glow);
}

.ip-search-icon {
    position: absolute;
    left: var(--ip-spacing-3);
    top: var(--ip-spacing-2);
    color: var(--ip-text-muted);
    pointer-events: none;
}

.ip-search-submit {
  position: absolute;
  right: var(--ip-spacing-1);
  padding: var(--ip-spacing-2) var(--ip-spacing-2);
  background: transparent;
  border: none;
  color: var(--ip-accent);
  cursor: pointer;
  border-radius: var(--ip-radius-full);
  transition: var(--ip-transition-fast);
}

.ip-search-submit:hover {
  background: var(--ip-accent-glow);
}

/* 알림 - 섬세한 디자인 */
.ip-notification {
  position: relative;
}

.ip-notification-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ip-radius-lg);
  background: transparent;
  border: none;
  color: var(--ip-text-secondary);
  cursor: pointer;
  transition: var(--ip-transition-base);
}

.ip-notification-btn:hover {
  background: var(--ip-bg-tertiary);
  color: var(--ip-primary);
}

.ip-notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  padding: 0 var(--ip-spacing-1);
  background: var(--ip-danger);
  color: white;
  font-size: 10px;
  font-weight: var(--ip-font-bold);
  border-radius: var(--ip-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 2px var(--ip-bg-primary);
}

/* 포인트 표시 - 프리미엄 느낌 */
.ip-points {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-2);
  padding: var(--ip-spacing-2) var(--ip-spacing-3);
  background: var(--ip-gradient-subtle);
  border: 1px solid var(--ip-border);
  border-radius: var(--ip-radius-full);
  font-size: var(--ip-text-sm);
  font-weight: var(--ip-font-semibold);
}

.ip-points-icon {
  color: var(--ip-warning);
  font-size: var(--ip-text-base);
}

.ip-points-value {
  color: var(--ip-primary);
}

/* 사용자 메뉴 - 프로페셔널 */
.ip-user-menu {
  position: relative;
}

.ip-user-toggle {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-3);
  padding: var(--ip-spacing-2) var(--ip-spacing-3);
  background: transparent;
  border: none;
  border-radius: var(--ip-radius-full);
  cursor: pointer;
  transition: var(--ip-transition-base);
}

.ip-user-toggle:hover {
  background: var(--ip-bg-tertiary);
}

.ip-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--ip-radius-full);
  background: var(--ip-gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--ip-text-sm);
  font-weight: var(--ip-font-semibold);
  box-shadow: var(--ip-shadow-md);
}

.ip-user-info {
  text-align: left;
  display: none;
}

.ip-user-name {
  font-size: var(--ip-text-sm);
  font-weight: var(--ip-font-semibold);
  color: var(--ip-text-primary);
  line-height: 1.2;
}

.ip-user-role {
  font-size: var(--ip-text-xs);
  color: var(--ip-text-muted);
}

/* 인증 버튼 */
.ip-auth-buttons {
  display: flex;
  gap: var(--ip-spacing-3);
}

/* ===== 메인 콘텐츠 영역 ===== */
.ip-main {
  flex: 1;
  padding: var(--ip-spacing-8) 0;
  position: relative;
}

.ip-container {
  max-width: var(--ip-container-2xl);
  margin: 0 auto;
  padding: 0 var(--ip-spacing-6);
}

/* ===== 푸터 (Intellectual Property Style) ===== */
.ip-footer {
  background: var(--ip-primary-dark);
  color: var(--ip-text-light);
  margin-top: auto;
  position: relative;
  overflow: hidden;
}

.ip-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ip-accent), transparent);
}

.ip-footer-content {
  max-width: var(--ip-container-2xl);
  margin: 0 auto;
  padding: var(--ip-spacing-12) var(--ip-spacing-6) var(--ip-spacing-6);
}

.ip-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--ip-spacing-12);
  margin-bottom: var(--ip-spacing-12);
}

.ip-footer-section h5 {
  color: white;
  font-size: var(--ip-text-lg);
  font-weight: var(--ip-font-semibold);
  margin-bottom: var(--ip-spacing-4);
}

.ip-footer-section p {
  color: var(--ip-secondary-light);
  line-height: var(--ip-leading-relaxed);
}

.ip-footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ip-footer-section li {
  margin-bottom: var(--ip-spacing-3);
}

.ip-footer-section a {
  color: var(--ip-secondary-light);
  text-decoration: none;
  font-size: var(--ip-text-sm);
  transition: var(--ip-transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--ip-spacing-2);
}

.ip-footer-section a:hover {
  color: var(--ip-accent-light);
  transform: translateX(4px);
}

.ip-footer-bottom {
  padding-top: var(--ip-spacing-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--ip-spacing-4);
}

.ip-footer-copyright {
  color: var(--ip-secondary-light);
  font-size: var(--ip-text-sm);
}

.ip-footer-links {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-6);
}

.ip-footer-links a {
  color: var(--ip-secondary-light);
  text-decoration: none;
  font-size: var(--ip-text-sm);
  transition: var(--ip-transition-fast);
}

.ip-footer-links a:hover {
  color: var(--ip-accent-light);
}

/* ===== 버튼 스타일 (Intellectual Property) ===== */
.ip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ip-spacing-2);
  padding: var(--ip-spacing-2) var(--ip-spacing-5);
  font-family: var(--ip-font-family);
  font-size: var(--ip-text-sm);
  font-weight: var(--ip-font-medium);
  line-height: 1.5;
  border: 2px solid transparent;
  border-radius: var(--ip-radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: var(--ip-transition-base);
  position: relative;
  overflow: hidden;
}

.ip-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--ip-accent-glow);
}

.ip-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary 버튼 - 전문적이고 신뢰감 있는 스타일 */
.ip-btn-primary {
  background: var(--ip-gradient-primary);
  color: white;
  border-color: var(--ip-primary);
  box-shadow: var(--ip-shadow-md);
}

.ip-btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--ip-transition-base);
}

.ip-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--ip-shadow-lg);
}

.ip-btn-primary:hover::before {
  left: 100%;
}

/* Secondary 버튼 */
.ip-btn-secondary {
  background: transparent;
  color: var(--ip-primary);
  border-color: var(--ip-border);
}

.ip-btn-secondary:hover {
  background: var(--ip-bg-tertiary);
  border-color: var(--ip-primary);
}

/* Accent 버튼 */
.ip-btn-accent {
  background: var(--ip-gradient-accent);
  color: white;
  border-color: var(--ip-accent);
  box-shadow: var(--ip-shadow-md);
}

.ip-btn-accent:hover {
  transform: translateY(-1px);
  box-shadow: var(--ip-shadow-lg);
}

/* Ghost 버튼 */
.ip-btn-ghost {
  background: transparent;
  color: var(--ip-text-secondary);
  border-color: transparent;
}

.ip-btn-ghost:hover {
  background: var(--ip-bg-tertiary);
  color: var(--ip-primary);
}

/* 버튼 크기 */
.ip-btn-sm {
  padding: var(--ip-spacing-1) var(--ip-spacing-3);
  font-size: var(--ip-text-xs);
}

.ip-btn-lg {
  padding: var(--ip-spacing-3) var(--ip-spacing-6);
  font-size: var(--ip-text-base);
}

/* ===== 카드 컴포넌트 (Intellectual Property) ===== */
.ip-card {
  background: var(--ip-bg-card);
  border: 1px solid var(--ip-border);
  border-radius: var(--ip-radius-xl);
  box-shadow: var(--ip-shadow-sm);
  transition: var(--ip-transition-base);
  overflow: hidden;
}

.ip-card:hover {
  box-shadow: var(--ip-shadow-lg);
  transform: translateY(-2px);
  border-color: var(--ip-accent-glow);
}

.ip-card-header {
  padding: var(--ip-spacing-6);
  background: var(--ip-gradient-subtle);
  border-bottom: 1px solid var(--ip-border);
}

.ip-card-title {
  font-size: var(--ip-text-lg);
  font-weight: var(--ip-font-semibold);
  color: var(--ip-primary);
  margin: 0;
}

.ip-card-subtitle {
  font-size: var(--ip-text-sm);
  color: var(--ip-text-muted);
  margin-top: var(--ip-spacing-1);
}

.ip-card-body {
  padding: var(--ip-spacing-6);
}

.ip-card-footer {
  padding: var(--ip-spacing-4) var(--ip-spacing-6);
  background: var(--ip-bg-tertiary);
  border-top: 1px solid var(--ip-border);
}

/* ===== 특허 카드 - 전문적인 디자인 ===== */
.ip-patent-card {
  background: var(--ip-bg-card);
  border: 1px solid var(--ip-border);
  border-radius: var(--ip-radius-xl);
  padding: var(--ip-spacing-6);
  transition: var(--ip-transition-base);
  position: relative;
  overflow: hidden;
}

.ip-patent-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--ip-gradient-accent);
  opacity: 0;
  transition: var(--ip-transition-base);
}

.ip-patent-card:hover {
  box-shadow: var(--ip-shadow-lg);
  transform: translateX(4px);
}

.ip-patent-card:hover::before {
  opacity: 1;
}

.ip-patent-category {
  display: inline-flex;
  align-items: center;
  gap: var(--ip-spacing-1);
  padding: var(--ip-spacing-1) var(--ip-spacing-3);
  background: var(--ip-accent-glow);
  color: var(--ip-accent);
  font-size: var(--ip-text-xs);
  font-weight: var(--ip-font-semibold);
  border-radius: var(--ip-radius-full);
  margin-bottom: var(--ip-spacing-3);
}

.ip-patent-title {
  font-size: var(--ip-text-lg);
  font-weight: var(--ip-font-semibold);
  color: var(--ip-primary);
  margin-bottom: var(--ip-spacing-2);
  line-height: var(--ip-leading-tight);
}

.ip-patent-description {
  color: var(--ip-text-secondary);
  font-size: var(--ip-text-sm);
  line-height: var(--ip-leading-relaxed);
  margin-bottom: var(--ip-spacing-4);
}

.ip-patent-meta {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-4);
  font-size: var(--ip-text-xs);
  color: var(--ip-text-muted);
}

.ip-patent-meta-item {
  display: flex;
  align-items: center;
  gap: var(--ip-spacing-1);
}

/* ===== 통계 카드 - 데이터 중심 디자인 ===== */
.ip-stat-card {
  background: var(--ip-bg-card);
  border: 1px solid var(--ip-border);
  border-radius: var(--ip-radius-xl);
  padding: var(--ip-spacing-6);
  text-align: center;
  transition: var(--ip-transition-base);
  position: relative;
  overflow: hidden;
}

.ip-stat-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: var(--ip-gradient-accent);
  opacity: 0.05;
  border-radius: 50%;
  transition: var(--ip-transition-slow);
}

.ip-stat-card:hover::after {
  transform: scale(2);
  opacity: 0.1;
}

.ip-stat-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--ip-spacing-4);
  background: var(--ip-gradient-subtle);
  border-radius: var(--ip-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ip-accent);
  font-size: var(--ip-text-2xl);
}

.ip-stat-value {
  font-size: var(--ip-text-3xl);
  font-weight: var(--ip-font-bold);
  color: var(--ip-primary);
  line-height: 1;
  margin-bottom: var(--ip-spacing-2);
}

.ip-stat-label {
  font-size: var(--ip-text-sm);
  color: var(--ip-text-secondary);
  font-weight: var(--ip-font-medium);
}

.ip-stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--ip-spacing-1);
  margin-top: var(--ip-spacing-3);
  padding: var(--ip-spacing-1) var(--ip-spacing-2);
  background: var(--ip-success);
  background: rgba(16, 185, 129, 0.1);
  color: var(--ip-success);
  font-size: var(--ip-text-xs);
  font-weight: var(--ip-font-semibold);
  border-radius: var(--ip-radius-full);
}

.ip-stat-change.negative {
  background: rgba(239, 68, 68, 0.1);
  color: var(--ip-danger);
}

/* ===== 애니메이션 ===== */
@keyframes shine {
  0% {
    transform: translateX(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) rotate(45deg);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 반응형 디자인 ===== */
@media (max-width: 1400px) {
  .ip-container {
    max-width: var(--ip-container-xl);
  }
}

@media (max-width: 1280px) {
  .ip-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--ip-spacing-8);
  }
}

@media (max-width: 1024px) {
  .ip-nav {
    display: none;
  }
  
  .ip-search-input {
    width: 200px;
  }
  
  .ip-user-info {
    display: none;
  }
}

@media (max-width: 768px) {
  .ip-header-content {
    min-height: 64px;
    gap: var(--ip-spacing-4);
  }
  
  .ip-brand-tagline {
    display: none;
  }
  
  .ip-search {
    display: none;
  }
  
  .ip-container {
    padding: 0 var(--ip-spacing-4);
  }
  
  .ip-footer-grid {
    grid-template-columns: 1fr;
    gap: var(--ip-spacing-6);
  }
  
  .ip-footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .ip-container {
    padding: 0 var(--ip-spacing-3);
  }
  
  .ip-header-actions {
    gap: var(--ip-spacing-2);
  }
  
  .ip-btn {
    padding: var(--ip-spacing-1) var(--ip-spacing-3);
    font-size: var(--ip-text-xs);
  }
  
  .ip-card {
    border-radius: var(--ip-radius-lg);
  }
  
  .ip-card-body {
    padding: var(--ip-spacing-4);
  }
}

/* ===== 모바일 메뉴 ===== */
.ip-mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--ip-text-secondary);
  font-size: var(--ip-text-xl);
  cursor: pointer;
  border-radius: var(--ip-radius-lg);
  transition: var(--ip-transition-base);
}

.ip-mobile-toggle:hover {
  background: var(--ip-bg-tertiary);
  color: var(--ip-primary);
}

@media (max-width: 1024px) {
  .ip-mobile-toggle {
    display: flex;
  }
}

.ip-mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--ip-bg-overlay);
  z-index: var(--ip-z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: var(--ip-transition-base);
}

.ip-mobile-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===== 유틸리티 클래스 ===== */
.ip-text-center { text-align: center; }
.ip-text-right { text-align: right; }
.ip-text-left { text-align: left; }

.ip-mt-1 { margin-top: var(--ip-spacing-1); }
.ip-mt-2 { margin-top: var(--ip-spacing-2); }
.ip-mt-3 { margin-top: var(--ip-spacing-3); }
.ip-mt-4 { margin-top: var(--ip-spacing-4); }
.ip-mt-6 { margin-top: var(--ip-spacing-6); }
.ip-mt-8 { margin-top: var(--ip-spacing-8); }

.ip-mb-1 { margin-bottom: var(--ip-spacing-1); }
.ip-mb-2 { margin-bottom: var(--ip-spacing-2); }
.ip-mb-3 { margin-bottom: var(--ip-spacing-3); }
.ip-mb-4 { margin-bottom: var(--ip-spacing-4); }
.ip-mb-6 { margin-bottom: var(--ip-spacing-6); }
.ip-mb-8 { margin-bottom: var(--ip-spacing-8); }

.ip-gap-1 { gap: var(--ip-spacing-1); }
.ip-gap-2 { gap: var(--ip-spacing-2); }
.ip-gap-3 { gap: var(--ip-spacing-3); }
.ip-gap-4 { gap: var(--ip-spacing-4); }
.ip-gap-6 { gap: var(--ip-spacing-6); }

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

/* 스킵 링크 */
.ip-skip-link {
  position: absolute;
  top: -40px;
  left: var(--ip-spacing-2);
  background: var(--ip-primary);
  color: white;
  padding: var(--ip-spacing-2) var(--ip-spacing-4);
  text-decoration: none;
  border-radius: var(--ip-radius-md);
  z-index: var(--ip-z-tooltip);
  transition: var(--ip-transition-fast);
}

.ip-skip-link:focus {
  top: var(--ip-spacing-2);
}

/* 고대비 모드 */
@media (prefers-contrast: high) {
  .ip-header {
    border-bottom: 2px solid var(--ip-primary);
  }
  
  .ip-btn {
    border-width: 2px;
  }
  
  .ip-card {
    border-width: 2px;
  }
}

/* 다크 모드 지원 */
@media (prefers-color-scheme: dark) {
  :root {
    --ip-bg-primary: #0f172a;
    --ip-bg-secondary: #1e293b;
    --ip-bg-tertiary: #334155;
    --ip-bg-card: rgba(30, 41, 59, 0.95);
    --ip-text-primary: #f8fafc;
    --ip-text-secondary: #cbd5e1;
    --ip-text-muted: #94a3b8;
    --ip-border: #334155;
    --ip-border-light: #475569;
  }
  
  .ip-header {
    background: rgba(15, 23, 42, 0.95);
  }
  
  .ip-dropdown-menu {
    background: var(--ip-bg-secondary);
  }
  
  .ip-shadow-sm {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }
  
  .ip-shadow-md {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
  }
  
  .ip-shadow-lg {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
  }
}

/* 모션 감소 설정 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Home Page 전용 스타일 (Index.cshtml에서 이동) ===== */

/* Home Page 컬러 변수 확장 */
:root {
  --home-primary-color: #2c3e50;
  --home-secondary-color: #3498db;
  --home-accent-color: #e74c3c;
  --home-success-color: #2ecc71;
  --home-warning-color: #f39c12;
}

/* 동적 홈 배경 */
.dynamic-home-bg {
  background: #f8f9fa;
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
}

.dynamic-home-bg .hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 20px;
  padding: 3rem 2rem;
  margin: 2rem auto;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* 통계 카드 */
.stats-card {
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  border-radius: 15px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stats-card:hover {
  transform: translateY(-5px);
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.counter {
  font-size: 2.5rem;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* 활동 피드 */
.activity-feed {
  background: white;
  border-radius: 15px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  max-height: 400px;
  overflow-y: auto;
}

.activity-item {
  padding: 0.75rem;
  border-left: 4px solid var(--home-secondary-color);
  margin-bottom: 1rem;
  background: #f8f9fa;
  border-radius: 0 8px 8px 0;
  transition: all 0.3s ease;
  animation: slideInRight 0.5s ease-out;
}

.activity-item:hover {
  background: #e9ecef;
  transform: translateX(5px);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 검색 컨테이너 */
.search-container .input-group {
  display: flex;
  width: 100%;
}

.search-container input.form-control {
  border-radius: 50px 0 0 50px !important;
  padding: 1rem 1.5rem;
  border: 2px solid #667eea;
  border-right: none;
  background: white;
  flex: 1;
}

.search-container input.form-control:focus {
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
  border-color: #667eea;
}

.search-container button {
  border-radius: 0 50px 50px 0 !important;
  background: linear-gradient(45deg, #667eea, #764ba2);
  border: none;
  padding: 1rem 2rem;
  white-space: nowrap;
}

.search-container button:hover {
  background: linear-gradient(45deg, #764ba2, #667eea);
}

/* 액션 버튼 스타일 */
.action-buttons {
  gap: 0.5rem;
}

.action-buttons > * {
  margin: 0.25rem;
}

/* 반응형 검색창 스타일 */
@media (max-width: 576px) {
  .search-container .input-group {
    flex-direction: column;
  }
  
  .search-container input.form-control {
    border-radius: 50px !important;
    border: 2px solid #667eea;
    margin-bottom: 0.5rem;
    width: 100%;
  }
  
  .search-container button {
    border-radius: 50px !important;
    width: 100%;
  }
}

/* 키워드 태그 */
.keyword-tag {
  transition: all 0.3s ease;
  cursor: pointer;
}

.keyword-tag:hover {
  transform: scale(1.1);
  background: linear-gradient(45deg, #667eea, #764ba2) !important;
  color: white !important;
}

/* 기술 트렌드 아이템 */
.tech-trend-item {
  background: linear-gradient(45deg, #3498db, #2ecc71);
  color: white;
  padding: 1rem;
  border-radius: 10px;
  margin: 0.5rem 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(52, 152, 219, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0); }
}

/* 활동 피드 헤더 */
.activity-feed-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.notification-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0 6px;
  animation: bounce 1s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* 플로팅 요소 */
.floating-elements {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.7;
}

.floating-icon {
  position: absolute;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

/* 기술 슬라이더 스타일 */
.tech-slider-container {
  position: relative;
  margin: 0 auto;
  width: 100%;
  max-width: 1180px;
  overflow: visible;
  padding: 0;
  min-height: 320px;
}

.tech-slider-wrapper {
  overflow: hidden;
  border-radius: 10px;
  width: 100%;
  position: relative;
  margin: 0 auto;
}

.tech-slider {
  display: flex;
  transition: transform 0.5s ease;
  gap: 20px;
  padding: 10px;
  width: auto;
  will-change: transform;
  align-items: stretch;
}

.tech-card {
  flex: 0 0 280px;
  width: 280px;
  background: white;
  border-radius: 15px;
  padding: 1rem;
  padding-bottom: 4rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  position: relative;
  border: 1px solid #e9ecef;
  height: 300px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tech-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.tech-card.hot::before {
  content: 'HOT';
  position: absolute;
  top: -8px;
  right: 15px;
  background: #e74c3c;
  color: white;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
  transform: rotate(10deg);
}

.tech-card-title {
  font-size: 0.9rem;
  font-weight: bold;
  color: #2c3e50;
  margin-bottom: 0.5rem;
  line-height: 1.2;
  height: 1.2em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tech-card-institution {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  color: #3498db;
  font-size: 0.8rem;
}

.tech-card-institution i {
  margin-right: 0.5rem;
}

.tech-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  color: #666;
}

.tech-card-meta span {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.tech-card-meta span i {
  margin-right: 0.25rem;
  font-size: 0.7rem;
}

.trl-badge {
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
}

.tech-card-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.75rem;
  margin-bottom: 0;
  border-top: 1px solid #eee;
  font-size: 0.75rem;
  color: #666;
  margin-top: auto;
}

.tech-card-stats span {
  display: flex;
  align-items: center;
  font-size: 0.7rem;
  white-space: nowrap;
}

.tech-card-stats i {
  margin-right: 0.2rem;
  font-size: 0.7rem;
}

.tech-card-stats .fa-eye {
  color: #3498db;
}

.tech-card-stats .fa-heart {
  color: #e74c3c;
}

.tech-card-stats .fa-star {
  color: #f39c12;
}

.tech-card-detail-btn {
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  border: none;
  border-radius: 20px;
  padding: 0.5rem 1.2rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  z-index: 10;
  max-width: 90%;
}

.tech-card-detail-btn:hover {
  transform: translateX(-50%) scale(1.05);
  box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
}

/* 핫딜 카드 추가 스타일 */
.hot-deal-card {
  border: 2px solid #ff6b6b;
  background: linear-gradient(to bottom, #fff5f5, #fff);
}

.hot-deal-card:hover {
  border-color: #ff5252;
  box-shadow: 0 10px 30px rgba(255, 107, 107, 0.2);
}

.hotdeal-badge {
  position: absolute;
  top: -10px;
  left: 10px;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: bold;
  color: white;
  z-index: 2;
  animation: pulse 2s infinite;
}

.new-badge {
  background: #00d4ff;
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: bold;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* 슬라이더 섹션 스타일 */
.tech-slider-section {
  position: relative;
  padding: 0;
}

/* 슬라이더 버튼 */
.slider-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #ddd;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 20;
  color: #666;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.slider-nav-btn:hover:not(:disabled) {
  background: #667eea;
  color: white;
  border-color: #667eea;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.slider-nav-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.slider-nav-prev {
  left: -60px;
}

.slider-nav-next {
  right: -60px;
}

/* 슬라이더 인디케이터 */
.slider-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 1rem;
}

.slider-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ddd;
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-indicator.active {
  background: #667eea;
  transform: scale(1.3);
}

/* 반응형 디자인 - 기술 슬라이더 */
@media (max-width: 1400px) {
  .tech-card {
    flex: 0 0 260px;
    width: 260px;
    height: 290px;
  }
  .tech-slider-container {
    max-width: 1100px;
  }
}

@media (max-width: 992px) {
  .tech-card {
    flex: 0 0 250px;
    width: 250px;
    height: 280px;
  }
  .tech-slider-container {
    max-width: 850px;
  }
  .slider-nav-prev {
    left: -40px;
  }
  .slider-nav-next {
    right: -40px;
  }
}

@media (max-width: 768px) {
  .tech-card {
    flex: 0 0 240px;
    width: 240px;
    height: 270px;
    padding: 0.8rem;
    padding-bottom: 3.5rem;
  }
  
  .tech-slider-container {
    max-width: 550px;
  }
  
  .slider-nav-btn {
    width: 35px;
    height: 35px;
  }
  
  .slider-nav-prev {
    left: -30px;
  }
  .slider-nav-next {
    right: -30px;
  }
  
  .tech-slider {
    gap: 15px;
  }
  
  .tech-card-detail-btn {
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 576px) {
  .tech-card {
    flex: 0 0 260px;
    width: 260px;
    height: 270px;
  }
  
  .tech-slider-container {
    max-width: 300px;
  }
  
  .tech-slider {
    gap: 10px;
    justify-content: center;
  }
  
  .slider-nav-btn {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  
  .slider-nav-prev {
    left: 5px;
  }
  .slider-nav-next {
    right: 5px;
  }
  
  .tech-card-detail-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
  }
}

/* ===== Quick Menu 스타일 (Home Page) ===== */
.quick-menu {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100; /* z-index 낮춤 */
    /* width: 320px;*/
    max-height: 80vh;
    overflow-y: auto;
    padding: 0;
    margin: 0;
    pointer-events: auto;
}

/* Quick Menu 컨텐츠 */
.quick-menu-content {
  width: 100%;
  padding: 0;
}

/* Quick Menu 카드 스타일 */
.quick-menu .card {
  margin-bottom: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.quick-menu .card:hover {
  transform: translateX(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Quick Menu 스크롤 바 스타일 */
.quick-menu::-webkit-scrollbar {
  width: 6px;
}

.quick-menu::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
  border-radius: 3px;
}

.quick-menu::-webkit-scrollbar-thumb {
  background: rgba(102, 126, 234, 0.3);
  border-radius: 3px;
}

.quick-menu::-webkit-scrollbar-thumb:hover {
  background: rgba(102, 126, 234, 0.5);
}

/* Quick Menu 반응형 디자인 */
@media (max-width: 1400px) {
    .quick-menu {
        /*  width: 280px;*/
    }
}

@media (max-width: 1200px) {
  .quick-menu {
    display: none;
  }

    .quick-menu.mobile-show {
        display: block;
        position: fixed;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        /*width: 320px;*/
        z-index: 1000;
        background: white;
        border-radius: 10px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        padding: 1rem;
    }
}

@media (max-width: 768px) {
  .quick-menu.mobile-show {
    width: 90%;
    max-width: 350px;
    right: 5%;
    left: auto;
  }
  
  .quick-menu .card {
    margin-bottom: 0.75rem;
  }
}

/* Quick Menu 토글 버튼 (모바일) */
        .quick-menu-toggle {
  display: none;
  position: fixed;
  right: 20px;
  bottom: 80px;
  width: 50px;
  height: 50px;
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  z-index: 1001; /* Quick Menu보다 높은 z-index */
  cursor: pointer;
  transition: all 0.3s ease;
  align-items: center;
  justify-content: center;
}

.quick-menu-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.quick-menu-toggle i {
  font-size: 1.25rem;
}

@media (max-width: 1200px) {
  .quick-menu-toggle {
    display: flex;
  }
  
  .quick-menu.mobile-hidden {
    display: none;
  }
  
  .quick-menu.mobile-show {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 320px;
    display: block;
  }
}

/* 메인 컨텐츠 래퍼 - Quick Menu와 독립적으로 작동 */
.main-content-wrapper {
  width: 100%;
  position: relative;
  z-index: 1;
}

/* 컨테이너는 전체 너비 사용 */
.main-content-wrapper .container {
  max-width: 100%;
  padding-left: 15px;
  padding-right: 15px;
}

/* 모바일 오버레이 */
.quick-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
}

.quick-menu-overlay.show {
  display: block;
}

@media (max-width: 1200px) {
  .quick-menu.mobile-show ~ .quick-menu-overlay {
    display: block;
  }
}