/* 고급스러운 미니멀 컬러 팔레트 */
:root {
    /* Primary Colors - 세련된 네이비/그레이 톤 */
    --primary-50: #f8fafc;
    --primary-100: #f1f5f9;
    --primary-200: #e2e8f0;
    --primary-300: #cbd5e1;
    --primary-400: #94a3b8;
    --primary-500: #64748b;
    --primary-600: #475569;
    --primary-700: #334155;
    --primary-800: #1e293b;
    --primary-900: #0f172a;

    /* Accent Colors - 포인트 컬러 */
    --accent-50: #f0f9ff;
    --accent-100: #e0f2fe;
    --accent-200: #bae6fd;
    --accent-300: #7dd3fc;
    --accent-400: #38bdf8;
    --accent-500: #0ea5e9;
    --accent-600: #0284c7;
    --accent-700: #0369a1;
    --accent-800: #075985;
    --accent-900: #0c4a6e;

    /* Neutral Colors */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;

    /* Semantic Colors */
    --success-50: #f0fdf4;
    --success-500: #22c55e;
    --success-600: #16a34a;
    
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    
    --error-50: #fef2f2;
    --error-500: #ef4444;
    --error-600: #dc2626;

    /* Typography */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Layout */
    --navbar-height: 4rem;
    --sidebar-width: 16rem;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 히어로 섹션 */
.hero-section {
    text-align: center;
    margin-bottom: var(--spacing-16);
    padding: var(--spacing-12) 0;
}

.hero-content {
    margin-bottom: var(--spacing-12);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--primary-900);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--primary-600);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 주요 액션 버튼 */
.primary-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    max-width: 600px;
    margin: 0 auto;
}

.action-row {
    width: 100%;
}

.primary-action-btn {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-6);
    padding: var(--spacing-8);
    background: white;
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-2xl);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.05),
        0 1px 2px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.primary-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(56, 189, 248, 0.1),
        transparent
    );
    transition: left 0.6s ease;
}

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

.primary-action-btn:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--accent-300);
}

.btn-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

/* 업체 검색 버튼 아이콘 - 돋보기 + 지도핀 */
.search-btn .btn-icon {
    background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
    color: white;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn .btn-icon .fa-search {
    font-size: 1.6rem;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.search-btn .btn-icon .fa-map-marker-alt {
    font-size: 1rem;
    color: #ef4444;
    position: absolute;
    top: 30%;
    right: 30%;
    transform: translate(50%, -50%);
    z-index: 1;
}

/* 그룹 이동 버튼 아이콘 - 지도 + 그룹화 */
.groups-btn .btn-icon {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.groups-btn .btn-icon .fa-map {
    font-size: 1.8rem;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.groups-btn .btn-icon .fa-layer-group {
    font-size: 0.9rem;
    color: #fbbf24;
    position: absolute;
    top: 30%;
    right: 30%;
    transform: translate(50%, -50%);
    z-index: 1;
}


.btn-content {
    flex: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

/* PC와 태블릿에서 제목과 설명글을 같은 줄에 배치 */
@media (min-width: 769px) {
    .btn-content {
        flex-direction: row;
        align-items: baseline;
        gap: var(--spacing-3);
    }
}

.btn-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-900);
    margin: 0;
    letter-spacing: -0.01em;
    line-height: 1.2;
    white-space: nowrap;
}

.btn-description {
    font-size: var(--font-size-base);
    color: var(--primary-600);
    line-height: 1.4;
    margin: 0;
    font-weight: 400;
    flex: 1;
}

.btn-arrow {
    color: var(--primary-400);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
    align-self: flex-start;
    margin-top: 4px;
}

.primary-action-btn:hover .btn-arrow {
    transform: translateX(4px);
    color: var(--accent-500);
}


/* 모바일 버전 */
@media (max-width: 768px) {
    .hero-section {
        padding: var(--spacing-8) 0;
        margin-bottom: var(--spacing-12);
    }
    
    .primary-actions {
        flex-direction: column;
        gap: var(--spacing-6);
        max-width: 100%;
    }
    
    .primary-action-btn {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--spacing-6);
        gap: var(--spacing-4);
    }
    
    .btn-icon {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }
    
    .btn-content {
        align-items: center;
        text-align: center;
        gap: var(--spacing-2);
    }
    
    .btn-title {
        font-size: var(--font-size-xl);
    }
    
    .btn-description {
        font-size: var(--font-size-sm);
    }
    
    .btn-arrow {
        align-self: center;
        margin-top: 0;
    }
    
    .stats-compact {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .compact-stat {
        padding: var(--spacing-3);
    }
    
    .compact-number {
        font-size: var(--font-size-2xl);
    }
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--primary-800);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 로고 스타일 */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    position: relative;
    width: 32px;
    height: 32px;
}

.logo-image {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

/* 기존 도형 로고 스타일 (백업용) */
.logo-shape {
    position: absolute;
    border-radius: var(--radius-sm);
}

.logo-shape-1 {
    width: 8px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    left: 2px;
    top: 4px;
    border-radius: 4px 4px 2px 2px;
}

.logo-shape-2 {
    width: 20px;
    height: 8px;
    background: linear-gradient(90deg, var(--secondary-500), var(--secondary-400));
    left: 6px;
    top: 16px;
    border-radius: 0 4px 4px 0;
    transform: rotate(-15deg);
}

.logo-shape-3 {
    width: 6px;
    height: 6px;
    background: var(--primary-500);
    right: 2px;
    top: 2px;
    border-radius: 50%;
}

/* 로딩 화면 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
}

.logo-container {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-6);
}

.logo-container .logo-shape {
    position: absolute;
}

.logo-container .logo-shape-1 {
    width: 20px;
    height: 60px;
    left: 5px;
    top: 10px;
}

.logo-container .logo-shape-2 {
    width: 50px;
    height: 20px;
    left: 15px;
    top: 40px;
}

.logo-container .logo-shape-3 {
    width: 15px;
    height: 15px;
    right: 5px;
    top: 5px;
}

.loading-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-2);
}

.loading-subtitle {
    font-size: var(--font-size-lg);
    color: var(--neutral-500);
    margin-bottom: var(--spacing-8);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--neutral-200);
    border-top: 3px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 네비게이션 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--primary-200);
    z-index: 1000;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--neutral-800);
    text-decoration: none;
}

.brand-text {
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-800), var(--accent-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    flex: 1;
    padding: 0 var(--spacing-8);
}

.navbar-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-lg);
    color: var(--neutral-600);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
    outline: none;
    border: none;
    min-width: 120px;
    max-width: 160px;
    text-align: center;
}

.navbar-item:hover {
    background: var(--neutral-100);
    color: var(--neutral-800);
    outline: none;
    border: none;
}

.navbar-item:focus {
    outline: none;
    border: none;
    box-shadow: none;
}

.navbar-item span {
    margin: 0;
    padding: 0;
    line-height: 1;
}

.navbar-item.active {
    background: transparent;
    color: var(--accent-700);
}

.navbar-item.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-500);
    border-radius: 1px;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--error-500);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background 0.2s ease;
    position: relative;
}

.user-menu:hover {
    background: var(--neutral-100);
}

/* 사용자 드롭다운 팝업 */
.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-2);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-xl);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
    padding: var(--spacing-4);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
}

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

/* 구독 정보 */
.subscription-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-1);
}

.subscription-date {
    font-size: var(--font-size-sm);
    color: var(--primary-700);
    font-weight: 500;
}

.auto-renewal-tag {
    display: inline-block;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    width: fit-content;
}

/* 구분선 */
.dropdown-divider {
    height: 1px;
    background: var(--primary-200);
    margin: var(--spacing-3) 0;
}

/* 로그아웃 버튼 */
.logout-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--primary-600);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all 0.2s ease;
    width: 100%;
}

.logout-btn:hover {
    background: var(--primary-50);
    color: var(--primary-700);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--accent-100);
    color: var(--accent-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
}

.user-name {
    font-weight: 500;
    color: var(--neutral-700);
}

.user-profile-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none !important;
    color: inherit;
    transition: all 0.2s ease;
    padding: 0;
    margin: 0;
    border: none;
    outline: none;
}

.user-profile-link:hover {
    text-decoration: none !important;
    color: inherit;
}

.user-profile-link:hover .user-avatar {
    background: var(--accent-200);
    transform: scale(1.05);
}

.user-profile-link:hover .user-name {
    color: var(--accent-700);
}

.user-profile-link:focus {
    text-decoration: none !important;
    outline: none;
}

.user-profile-link:visited {
    text-decoration: none !important;
}

.navbar-toggle {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    background: none;
    border: none;
    padding: var(--spacing-2);
    cursor: pointer;
    color: var(--neutral-600);
    font-size: 1.25rem;
}

/* 메인 콘텐츠 */
.main-content {
    margin-top: var(--navbar-height);
    min-height: calc(100vh - var(--navbar-height));
    padding: var(--spacing-8) 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* 페이지 헤더 */
.page-header {
    margin-bottom: var(--spacing-8);
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-2);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--neutral-500);
}

/* 컴팩트한 통계 요약 */
.stats-summary {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    margin-bottom: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
}

.summary-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.stats-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.compact-stat {
    text-align: center;
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
}

.compact-stat:hover {
    background: var(--primary-50);
}

.compact-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--accent-600);
    margin-bottom: var(--spacing-1);
}

.compact-label {
    font-size: var(--font-size-sm);
    color: var(--primary-600);
    font-weight: 500;
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-100);
    color: var(--accent-700);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
    transition: all 0.3s ease;
}

/* 각 통계 카드별 아이콘 색상 - 세련된 톤 */
.stat-card:nth-child(1) .stat-icon {
    background: linear-gradient(135deg, var(--accent-100), var(--accent-200));
    color: var(--accent-700);
}

.stat-card:nth-child(2) .stat-icon {
    background: linear-gradient(135deg, var(--primary-200), var(--primary-300));
    color: var(--primary-700);
}

.stat-card:nth-child(3) .stat-icon {
    background: linear-gradient(135deg, var(--success-100), var(--success-200));
    color: var(--success-700);
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.15);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
    margin-bottom: var(--spacing-2);
}

.stat-change {
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
}

.stat-change.positive {
    background: var(--success-50);
    color: var(--success-600);
}

.stat-change.negative {
    background: var(--error-50);
    color: var(--error-600);
}

/* 대시보드 그리드 */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.dashboard-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--neutral-200);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--neutral-800);
}

.card-action {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color 0.2s ease;
}

.card-action:hover {
    color: var(--primary-700);
}

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

/* 활동 리스트 */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    transition: background 0.2s ease;
}

.activity-item:hover {
    background: var(--neutral-50);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-1);
}

.activity-time {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
}

.activity-meta {
    display: flex;
    align-items: center;
}

.activity-count {
    background: var(--neutral-100);
    color: var(--neutral-600);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* 그룹 리스트 */
.group-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.group-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
}

.group-item:hover {
    border-color: var(--primary-300);
    background: var(--primary-50);
}

.group-info {
    flex: 1;
}

.group-name {
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-2);
}

.group-tags {
    display: flex;
    gap: var(--spacing-2);
}

.tag {
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.tag-blue {
    background: var(--primary-100);
    color: var(--primary-700);
}

.tag-green {
    background: var(--success-50);
    color: var(--success-600);
}

.tag-orange {
    background: var(--warning-50);
    color: var(--warning-600);
}

.tag-purple {
    background: var(--secondary-100);
    color: var(--secondary-700);
}

.tag-red {
    background: var(--error-50);
    color: var(--error-600);
}

.group-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-1);
}

.group-count {
    font-weight: 600;
    color: var(--neutral-800);
}

.group-date {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
}

/* 빠른 액션 */
.quick-actions {
    margin-bottom: var(--spacing-8);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-6);
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
}

.action-card {
    background: white;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.action-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.action-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
}

.action-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-2);
}

.action-description {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
    line-height: 1.5;
}

/* 모바일 버전 (768px 이하) */
@media (max-width: 768px) {
    .navbar-menu {
        display: none !important;
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--primary-200);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        z-index: 999;
        padding: var(--spacing-4) 0;
        flex-direction: column;
        opacity: 0;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }
    
    .navbar-menu.active {
        display: flex !important;
        opacity: 1;
        transform: translateY(0);
    }
    
    .navbar-menu .navbar-item {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-2);
        padding: var(--spacing-4) var(--spacing-6);
        margin: 0 var(--spacing-4);
        border-radius: var(--radius-lg);
        background: transparent;
        color: var(--neutral-600);
        text-decoration: none;
        transition: all 0.2s ease;
    }
    
    .navbar-menu .navbar-item:hover {
        background: var(--neutral-100);
        color: var(--neutral-800);
    }
    
    .navbar-menu .navbar-item.active {
        background: var(--accent-100);
        color: var(--accent-700);
    }
    
    .navbar-toggle {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        padding: var(--spacing-2);
        cursor: pointer;
        color: var(--neutral-600);
        font-size: 1.25rem;
        transition: color 0.2s ease;
    }
    
    .navbar-toggle:hover {
        color: var(--neutral-800);
    }
    
    .navbar-actions .user-name {
        display: none;
    }
    
    .navbar-actions {
        margin-right: 60px;
    }
    
    .user-dropdown {
        right: -10px;
        min-width: 180px;
    }
}

/* PC/태블릿 버전 (769px 이상) */
@media (min-width: 769px) {
    .navbar-toggle {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
    
    .navbar-menu {
        display: flex !important;
        position: static !important;
        background: transparent !important;
        backdrop-filter: none !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        flex-direction: row !important;
    }
    
    .navbar-menu .navbar-item {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: var(--spacing-2) !important;
        padding: var(--spacing-3) var(--spacing-5) !important;
        margin: 0 !important;
        border-radius: var(--radius-lg) !important;
        background: transparent !important;
        color: var(--neutral-600) !important;
        text-decoration: none !important;
        transition: all 0.2s ease !important;
        min-width: 120px !important;
        max-width: 160px !important;
        text-align: center !important;
    }
    
    .navbar-actions {
        margin-right: 0;
    }
}
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--spacing-4);
    }
    
    .page-title {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 480px) {
    .navbar-container {
        padding: 0 var(--spacing-4);
    }
    
    .brand-text {
        display: none;
    }
    
    .stat-card,
    .dashboard-card,
    .action-card {
        padding: var(--spacing-4);
    }
    
    .page-title {
        font-size: var(--font-size-2xl);
    }
}

/* 유틸리티 클래스 */
.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;
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* 대시보드 추가 스타일 */
.card-actions {
    display: flex;
    gap: var(--spacing-2);
}

.action-button {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--neutral-300);
    background: white;
    color: var(--neutral-600);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-button:hover {
    background: var(--neutral-50);
    border-color: var(--neutral-400);
}

.action-button.active {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

.chart-container {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-placeholder {
    text-align: center;
    color: var(--neutral-400);
}

.chart-placeholder i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.chart-placeholder p {
    font-size: var(--font-size-lg);
    font-weight: 500;
}

/* 카테고리 리스트 */
.category-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.category-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.category-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-name {
    font-weight: 500;
    color: var(--neutral-800);
}

.category-count {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
}

.category-bar {
    width: 100%;
    height: 8px;
    background: var(--neutral-200);
    border-radius: 4px;
    overflow: hidden;
}

.category-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* 그룹 액션 버튼 */
.group-actions {
    display: flex;
    gap: var(--spacing-2);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.group-item:hover .group-actions {
    opacity: 1;
}

.action-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--neutral-300);
    background: white;
    color: var(--neutral-600);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: var(--primary-50);
    color: var(--primary-600);
    border-color: var(--primary-300);
}

/* 알림 섹션 */
.notifications-section {
    margin-bottom: var(--spacing-8);
}

.notifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-4);
}

.notification-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    position: relative;
    transition: all 0.2s ease;
}

.notification-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.notification-card.info {
    border-left: 4px solid var(--primary-500);
}

.notification-card.warning {
    border-left: 4px solid var(--warning-500);
}

.notification-card.success {
    border-left: 4px solid var(--success-500);
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-card.info .notification-icon {
    background: var(--primary-100);
    color: var(--primary-600);
}

.notification-card.warning .notification-icon {
    background: var(--warning-100);
    color: var(--warning-600);
}

.notification-card.success .notification-icon {
    background: var(--success-100);
    color: var(--success-600);
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-1);
    font-size: var(--font-size-sm);
}

.notification-message {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-2);
}

.notification-time {
    font-size: var(--font-size-xs);
    color: var(--neutral-500);
}

.notification-close {
    position: absolute;
    top: var(--spacing-3);
    right: var(--spacing-3);
    width: 24px;
    height: 24px;
    border: none;
    background: none;
    color: var(--neutral-400);
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.notification-close:hover {
    background: var(--neutral-100);
    color: var(--neutral-600);
}

/* 애니메이션 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* 포커스 스타일 */
*:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--primary-500);
}

/* 그룹 관리 스타일 */
.groups-container {
    margin-top: var(--spacing-8);
}

.groups-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-6);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
}

.groups-stats {
    display: flex;
    gap: var(--spacing-6);
}

.stat-item {
    text-align: center;
}

.stat-item .stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--accent-600);
}

.stat-item .stat-label {
    font-size: var(--font-size-sm);
    color: var(--primary-600);
}

.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

.group-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
    transition: all 0.2s ease;
}

.group-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
}

.group-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-800);
}

.group-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-3);
}

.group-count {
    font-weight: 500;
    color: var(--accent-600);
}

.group-date {
    font-size: var(--font-size-sm);
    color: var(--primary-500);
}

/* 프로필 스타일 */
.profile-container {
    margin-top: var(--spacing-8);
}

.profile-section {
    margin-bottom: var(--spacing-8);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-800);
}

.profile-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
    display: flex;
    gap: var(--spacing-6);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: var(--accent-100);
    color: var(--accent-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.profile-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.info-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.info-label {
    font-size: var(--font-size-sm);
    color: var(--primary-600);
    font-weight: 500;
}

.info-value {
    font-size: var(--font-size-base);
    color: var(--primary-800);
    font-weight: 600;
}

.subscription-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
}

.subscription-status {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.status-badge {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.status-badge.active {
    background: var(--success-100);
    color: var(--success-700);
}

.renewal-tag {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.subscription-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-label {
    color: var(--primary-600);
    font-size: var(--font-size-sm);
}

.detail-value {
    color: var(--primary-800);
    font-weight: 600;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
}

.stats-cards .stat-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.stats-cards .stat-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-100);
    color: var(--accent-700);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stats-cards .stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-800);
}

.stats-cards .stat-label {
    font-size: var(--font-size-sm);
    color: var(--primary-600);
}

/* 그룹 관리 페이지 스타일 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
}

.stat-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.2s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card .stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-800);
    margin-bottom: var(--spacing-2);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: var(--font-size-base);
    color: var(--primary-600);
    font-weight: 500;
}

/* 그룹 생성 섹션 */
.group-creation-section {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    margin-bottom: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
}

.creation-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-6);
    justify-items: center;
}

.creation-card {
    background: var(--primary-50);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    text-align: center;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 350px;
}

.creation-card:hover {
    background: white;
    border-color: var(--accent-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.creation-icon {
    width: 64px;
    height: 64px;
    background: var(--accent-500);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--spacing-4);
}

.creation-icon.excel-icon {
    background: #10b981;
}

.creation-icon.search-icon {
    background: #8b5cf6;
}

.creation-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.creation-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: var(--spacing-2);
    text-align: center;
}

.creation-description {
    color: var(--primary-600);
    margin-bottom: var(--spacing-6);
    line-height: 1.6;
    text-align: center;
}

/* 업로드 영역 */
.upload-area {
    border: 2px dashed var(--primary-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.upload-area:hover {
    border-color: var(--accent-500);
    background: var(--accent-50);
}

.upload-content i {
    font-size: 3rem;
    color: var(--accent-500);
    margin-bottom: var(--spacing-4);
}

.upload-text {
    font-weight: 500;
    color: var(--primary-700);
    margin-bottom: var(--spacing-2);
}

.upload-hint {
    font-size: var(--font-size-sm);
    color: var(--primary-500);
}

.upload-actions {
    margin-top: var(--spacing-4);
    text-align: center;
}

/* 필터 섹션 */
.filter-section {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.filter-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-800);
}

.filter-actions {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-2) var(--spacing-4);
    border: 1px solid var(--primary-300);
    background: white;
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none !important;
    box-shadow: none !important;
    -webkit-tap-highlight-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.filter-btn:hover,
.filter-btn.active,
.filter-btn:focus,
.filter-btn:focus-visible,
.filter-btn:focus-within {
    background: var(--accent-500);
    color: white;
    border-color: var(--accent-500);
    outline: none !important;
    box-shadow: none !important;
    -webkit-tap-highlight-color: transparent;
}

/* 모든 버튼 요소에 대한 강제 중앙 정렬 */
button,
.btn,
.filter-btn,
.view-btn,
.action-btn,
.primary-action-btn,
[class*="btn"] {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    box-sizing: border-box !important;
}

/* 버튼 내부 텍스트도 중앙 정렬 */
button *,
.btn *,
.filter-btn *,
.view-btn *,
.action-btn *,
.primary-action-btn *,
[class*="btn"] * {
    text-align: center !important;
}

/* 특별한 경우를 위한 예외 처리 */
.btn-content {
    text-align: left !important; /* 버튼 내용은 왼쪽 정렬 유지 */
}

/* 버튼 focus outline 완전 제거 */
button:focus,
button:focus-visible,
button:focus-within {
    outline: none !important;
    box-shadow: none !important;
}

/* 커스텀 뷰 토글 아이콘 */
.custom-grid-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    position: relative;
    background: currentColor;
    border-radius: 2px;
    margin: 0 auto;
}

.custom-grid-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: white;
    transform: translateY(-50%);
}

.custom-grid-icon::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: white;
    transform: translateX(-50%);
}

/* 활성 상태에서 배경색만 변경 */
.view-btn.active {
    background: var(--accent-500);
    color: white;
    border-color: var(--accent-500);
}

/* 활성 상태에서 아이콘 색상 조정 */
.view-btn.active .custom-grid-icon {
    background: white;
}

.view-btn.active .custom-grid-icon::before,
.view-btn.active .custom-grid-icon::after {
    background: var(--accent-500);
}

.view-btn.active .custom-list-icon::before,
.view-btn.active .custom-list-icon::after {
    background: white;
}

.custom-list-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    position: relative;
    margin: 0 auto;
}

.custom-list-icon::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 0;
    right: 0;
    height: 4px;
    background: currentColor;
    border-radius: 1px;
}

.custom-list-icon::after {
    content: '';
    position: absolute;
    top: 9px;
    left: 0;
    right: 0;
    height: 4px;
    background: currentColor;
    border-radius: 1px;
}

/* 그룹 섹션 */
.groups-section {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
}

.groups-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.groups-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--primary-800);
}

.groups-actions {
    display: flex;
    gap: var(--spacing-4);
    align-items: center;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.search-box i {
    position: absolute;
    left: var(--spacing-3);
    color: var(--primary-400);
    z-index: 1;
}

.search-box input {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--primary-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    min-width: 250px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-500);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

.search-box .btn {
    white-space: nowrap;
}

.view-toggle {
    display: flex;
    gap: var(--spacing-2);
}

.view-btn {
    padding: var(--spacing-2) var(--spacing-3);
    background: white;
    border: 1px solid var(--primary-300);
    border-radius: var(--radius-lg);
    color: var(--primary-600);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-400);
}

.view-btn.active {
    background: var(--accent-500);
    color: white;
    border-color: var(--accent-500);
}

/* 뷰 토글 버튼 스타일 개선 */
.view-toggle {
    display: flex;
    gap: var(--spacing-1);
    background: transparent;
    padding: 0;
    border-radius: 0;
    border: none;
    margin-left: auto;
    margin-top: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.view-btn {
    padding: var(--spacing-2) var(--spacing-3);
    background: white;
    border: 1px solid var(--primary-300);
    border-radius: var(--radius-md);
    color: var(--primary-600);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    text-align: center;
}

.view-btn:hover {
    background: var(--primary-200);
    color: var(--primary-700);
}

.view-btn.active {
    background: var(--accent-500);
    color: white;
    box-shadow: 0 2px 4px rgba(14, 165, 233, 0.2);
}

.view-btn i {
    font-size: 16px;
}

/* 그룹 그리드 */
.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-6);
}

/* 리스트 뷰 스타일 */
.groups-grid.list-view {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
}

.groups-grid.list-view .group-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: var(--spacing-4);
    min-height: 80px;
}

.groups-grid.list-view .group-header {
    margin-bottom: 0;
    margin-right: var(--spacing-4);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.groups-grid.list-view .group-actions {
    display: none;
}

.groups-grid.list-view .list-view-actions {
    display: block;
}

.groups-grid.list-view .group-content {
    flex: 1;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.groups-grid.list-view .group-name {
    font-size: var(--font-size-lg);
    margin-bottom: 0;
    margin-right: var(--spacing-4);
}

.groups-grid.list-view .group-stats {
    display: flex;
    gap: var(--spacing-4);
    margin: 0;
    margin-right: var(--spacing-4);
}

.groups-grid.list-view .group-stats .stat-item {
    text-align: center;
    min-width: 60px;
}

.groups-grid.list-view .group-stats .stat-number {
    font-size: var(--font-size-base);
    font-weight: 600;
}

.groups-grid.list-view .group-stats .stat-label {
    font-size: var(--font-size-xs);
}

.groups-grid.list-view .group-footer {
    padding-top: 0;
    border-top: none;
    margin-left: 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-top: 0;
    margin-left: auto;
}

.groups-grid.list-view .group-date {
    font-size: var(--font-size-xs);
    white-space: nowrap;
}

/* 기본 뷰에서 리스트 뷰 액션 숨기기 */
.list-view-actions {
    display: none;
}

.group-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-200);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.group-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--accent-300);
}

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-4);
}

.group-category {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--accent-100);
    color: var(--accent-700);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
}

.group-actions {
    display: flex;
    gap: var(--spacing-1);
    opacity: 1;
    transition: opacity 0.2s ease;
}

.group-card:hover .group-actions {
    opacity: 1;
}

.action-btn {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 16px;
}

.action-btn i {
    font-size: 16px !important;
    color: #475569 !important;
}

.action-btn:hover {
    background: transparent;
    color: var(--primary-700);
}

.action-btn:hover i {
    color: #334155 !important;
}

.group-content {
    flex: 1;
    margin-bottom: var(--spacing-4);
}

.group-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: var(--spacing-2);
}

.group-description {
    color: var(--primary-600);
    margin-bottom: var(--spacing-4);
    line-height: 1.5;
}

.group-stats {
    display: flex;
    gap: var(--spacing-6);
}

.group-stats .stat-item {
    text-align: center;
}

.group-stats .stat-number {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--accent-600);
    margin-bottom: var(--spacing-1);
}

.group-stats .stat-label {
    font-size: var(--font-size-sm);
    color: var(--primary-600);
}

.group-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--primary-200);
}

.group-tags {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.tag {
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.tag-blue {
    background: var(--accent-100);
    color: var(--accent-700);
}

.tag-green {
    background: var(--success-50);
    color: var(--success-600);
}

.tag-orange {
    background: var(--warning-50);
    color: var(--warning-600);
}

.tag-purple {
    background: #e0e7ff;
    color: #6366f1;
}

.group-date {
    font-size: var(--font-size-sm);
    color: var(--primary-500);
}

/* 빈 상태 */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
}

.empty-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-100);
    color: var(--primary-400);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-6);
}

.empty-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: var(--spacing-2);
}

.empty-description {
    color: var(--primary-600);
    margin-bottom: var(--spacing-6);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* 모달 스타일 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--primary-200);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-800);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    color: var(--primary-500);
    cursor: pointer;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--primary-100);
    color: var(--primary-700);
}

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

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding: var(--spacing-6);
    border-top: 1px solid var(--primary-200);
}

/* 폼 스타일 */
.form-group {
    margin-bottom: var(--spacing-6);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--primary-700);
    margin-bottom: var(--spacing-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--primary-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-500);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

/* 버튼 스타일 - 원천적 중앙 정렬 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-lg);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: var(--font-size-sm);
    text-align: center;
}

.btn-primary {
    background: var(--accent-500);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: white;
    color: var(--primary-600);
    border: 1px solid var(--primary-300);
}

.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary-400);
    color: var(--primary-700);
}

/* 카테고리 관리 스타일 */
.category-selector {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
}

.category-selector .form-select {
    flex: 1;
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.category-management {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.add-category-section {
    padding: var(--spacing-4);
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-200);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: var(--spacing-4);
}

.form-row {
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
}

.form-row .form-input {
    flex: 1;
}

.form-row .form-select {
    min-width: 120px;
}

.existing-categories-section {
    border-top: 1px solid var(--primary-200);
    padding-top: var(--spacing-6);
}

.categories-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4);
    background: white;
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
}

.category-item:hover {
    border-color: var(--accent-300);
    box-shadow: var(--shadow-sm);
}

.category-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.category-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-100);
    color: var(--accent-700);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
}

.category-details {
    display: flex;
    flex-direction: column;
}

.category-name {
    font-weight: 500;
    color: var(--primary-800);
    margin-bottom: var(--spacing-1);
}

.category-count {
    font-size: var(--font-size-sm);
    color: var(--primary-500);
}

.category-actions {
    display: flex;
    gap: var(--spacing-2);
}

.category-actions .action-btn {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs);
}

.empty-categories {
    text-align: center;
    padding: var(--spacing-8);
    color: var(--primary-500);
}

.empty-categories i {
    font-size: 3rem;
    margin-bottom: var(--spacing-4);
    color: var(--primary-300);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .creation-methods {
        grid-template-columns: 1fr;
    }
    
    .filter-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .groups-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .groups-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-3);
        width: 100%;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-box input {
        min-width: auto;
        flex: 1;
    }
    
    .view-toggle {
        position: static;
        margin-top: var(--spacing-4);
        align-self: flex-end;
    }
    
    .groups-grid {
        grid-template-columns: 1fr;
    }
    
    .search-box input {
        min-width: 200px;
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-4);
    }
    
    .form-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-selector {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
    
    .category-actions {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-3);
    }
    
    .stat-card {
        padding: var(--spacing-4);
    }
    
    .stat-card .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .stat-card .stat-label {
        font-size: var(--font-size-sm);
    }
    
    .group-stats {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .group-footer {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: flex-start;
    }
}

/* 푸터 스타일 */
.footer {
    background: var(--neutral-800);
    color: var(--neutral-300);
    padding: var(--spacing-12) 0 var(--spacing-10);
    margin-top: var(--spacing-16);
    border-top: 1px solid var(--neutral-700);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.footer-logo .logo {
    width: 24px;
    height: 24px;
}

.footer-logo .logo-image {
    width: 24px;
    height: 24px;
}

.footer-brand {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: white;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    line-height: 1.6;
}

.footer-copyright {
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-base);
}

.footer-details {
    font-size: var(--font-size-base);
    color: var(--neutral-600);
}

.footer-contact-item {
    margin-bottom: var(--spacing-1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-base);
    color: var(--neutral-600);
}

.footer-contact-item i {
    width: 16px;
    text-align: center;
    color: var(--primary-400);
}

.footer-contact-item a {
    color: var(--neutral-300);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-contact-item a:hover {
    color: var(--primary-400);
}

/* 검색 결과 컨트롤 스타일 */
.results-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.page-size-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.page-size-label {
    font-size: var(--font-size-sm);
    color: var(--primary-600);
    font-weight: 500;
}

.form-select-small {
    padding: var(--spacing-1) var(--spacing-2);
    border: 1px solid var(--primary-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: white;
    color: var(--primary-700);
    min-width: 80px;
}

.form-select-small:focus {
    outline: none;
    border-color: var(--accent-500);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

@media (max-width: 768px) {
    .results-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
    
    .results-actions {
        flex-wrap: wrap;
        gap: var(--spacing-2);
    }
    
    .footer {
        padding: var(--spacing-6) 0 var(--spacing-4);
        margin-top: var(--spacing-8);
    }
    
    .footer-content {
        padding: 0 var(--spacing-4);
    }
    
    .footer-details {
        font-size: var(--font-size-xs);
    }
    
    .footer-contact-item {
        flex-direction: column;
        gap: var(--spacing-1);
        text-align: center;
        font-size: var(--font-size-xs);
    }
}

/* 최종 강제 중앙 정렬 - 모든 버튼에 적용 */
*[class*="btn"],
button[type="button"],
button[type="submit"],
button:not([type]) {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    flex-direction: row !important;
}

/* 버튼 내부 모든 요소 중앙 정렬 */
*[class*="btn"] *,
button[type="button"] *,
button[type="submit"] *,
button:not([type]) * {
    text-align: center !important;
    margin: 0 auto !important;
}

/* 토스트 알림 */
.toast {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    min-width: 300px;
    max-width: 500px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-4);
    z-index: 9999;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-500);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--neutral-700);
}

.toast-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--neutral-400);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.toast-close:hover {
    color: var(--neutral-600);
}

.toast-success {
    border-left-color: var(--success-500);
}

.toast-success .toast-icon::before {
    content: '✓';
    color: var(--success-500);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.toast-error {
    border-left-color: var(--error-500);
}

.toast-error .toast-icon::before {
    content: '✕';
    color: var(--error-500);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.toast-warning {
    border-left-color: var(--warning-500);
}

.toast-warning .toast-icon::before {
    content: '⚠';
    color: var(--warning-500);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.toast-info {
    border-left-color: var(--accent-500);
}

.toast-info .toast-icon::before {
    content: 'ℹ';
    color: var(--accent-500);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

/* 로딩 오버레이 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    backdrop-filter: blur(5px);
}

.loading-spinner-large {
    width: 60px;
    height: 60px;
    border: 4px solid var(--neutral-200);
    border-top: 4px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* 모달 배경 블러 효과 개선 */
.modal.show {
    display: flex;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9000;
}

/* 반응형 토스트 */
@media (max-width: 768px) {
    .toast {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
        left: var(--spacing-4);
        min-width: auto;
        max-width: none;
    }
}