/* 통신킹 - 최신 트렌드 디자인 */

:root {
    /* 컬러 팔레트 */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    
    /* 그레이스케일 */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* 타이포그래피 */
    --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
    
    /* 간격 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* 그림자 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 전환 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 리셋 및 기본 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-800);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

/* 타이포그래피 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--primary-dark);
}

/* 컨테이너 */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 3rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 4rem;
    }
}

/* 네비게이션 */
.navbar {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1280px;
    margin: 0 auto;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.05);
    color: white;
}

.navbar-brand-icon {
    font-size: 1.75rem;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    list-style: none;
    flex-wrap: wrap;
}

.navbar-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
    transition: var(--transition-fast);
    white-space: nowrap;
    font-size: 0.9375rem;
}

.navbar-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.navbar-dropdown {
    position: relative;
}

.navbar-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-xs);
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xs);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    z-index: 1001;
    transition: var(--transition);
    list-style: none;
}

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

.navbar-dropdown-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
    color: var(--gray-700);
    transition: var(--transition-fast);
}

.navbar-dropdown-item:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* 모바일 메뉴 */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.navbar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 1024px) {
    .navbar-menu {
        gap: var(--spacing-xs);
    }
    
    .navbar-link {
        font-size: 0.875rem;
        padding: var(--spacing-xs) 0.5rem;
    }
    
    .navbar-user-text {
        display: none;
    }
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1002;
        position: relative;
    }
    
    /* 모바일 메뉴 오버레이 */
    .navbar-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        flex-direction: column;
        background: white;
        padding: 0;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        display: flex;
        gap: 0;
        overflow-y: auto;
        z-index: 1001;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        visibility: hidden;
    }
    
    .navbar-menu.active {
        visibility: visible;
        transform: translateX(0);
    }
    
    /* 모바일 메뉴 헤더 */
    .navbar-menu::before {
        content: '';
        display: block;
        height: 60px;
        background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
        flex-shrink: 0;
    }
    
    /* 모바일 메뉴 아이템 */
    .navbar-menu > li {
        width: 100%;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .navbar-menu > li:first-child {
        margin-top: 60px;
    }
    
    .navbar-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 1rem 1.25rem;
        color: var(--gray-800);
        font-size: 1rem;
        font-weight: 600;
        border-radius: 0;
        width: 100%;
    }
    
    .navbar-link:hover {
        background: var(--gray-50);
        color: var(--primary);
    }
    
    /* 드롭다운 토글 아이콘 */
    .navbar-dropdown-toggle .material-icons {
        font-size: 1.25rem;
        transition: transform 0.3s ease;
    }
    
    .navbar-dropdown.active .navbar-dropdown-toggle .material-icons {
        transform: rotate(180deg);
    }
    
    /* 모바일 드롭다운 메뉴 (아코디언) */
    .navbar-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--gray-50);
        margin: 0;
        padding: 0;
        min-width: auto;
        max-height: 0;
        overflow: hidden;
        display: block;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }
    
    .navbar-dropdown.active .navbar-dropdown-menu {
        max-height: 1000px;
        padding: 0.5rem 0;
        display: block;
    }
    
    .navbar-dropdown-item {
        display: block;
        padding: 0.875rem 1.25rem 0.875rem 2.5rem;
        color: var(--gray-700);
        font-size: 0.9375rem;
        font-weight: 500;
        border-radius: 0;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .navbar-dropdown-item:last-child {
        border-bottom: none;
    }
    
    .navbar-dropdown-item:hover {
        background: var(--gray-100);
        color: var(--primary);
    }
    
    /* 모바일 메뉴 오버레이 배경 */
    .navbar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .navbar-overlay.active {
        display: block;
        opacity: 1;
    }
    
    /* 로그인/회원가입 버튼 모바일 스타일 */
    .navbar-menu > li:last-child .btn {
        margin: 1rem 1.25rem;
        width: calc(100% - 2.5rem);
    }
    
    /* 사용자 메뉴 모바일 스타일 */
    .navbar-menu > li .navbar-dropdown-toggle {
        width: 100%;
    }
}

/* 버튼 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    color: white;
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
    color: var(--gray-800);
}

.btn-success {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid currentColor;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* 카드 */
.card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-200);
}

.card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    transform: translateY(-2px);
    border-color: var(--gray-300);
}

.card-header {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.card-footer {
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

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

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    transition: var(--transition-fast);
    background: white;
    font-family: var(--font-sans);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    cursor: pointer;
}

/* 알림 */
.alert {
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    transition: all 0.3s ease-out;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--secondary);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-left: 4px solid var(--primary);
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--accent);
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* 테이블 */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

.table thead {
    background: transparent;
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
    background: transparent;
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* 다크 배경 위의 테이블 호버 효과 제거 */
section[style*="background: linear-gradient"] .table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* 그리드 */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* 유틸리티 */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--gray-500);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.d-flex {
    display: flex;
}

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

.justify-content-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--spacing-sm);
}

.gap-3 {
    gap: var(--spacing-md);
}

.gap-4 {
    gap: var(--spacing-lg);
}

/* 메인 컨텐츠 */
main {
    min-height: calc(100vh - 200px);
    padding: 0;
}

/* 히어로 섹션 개선 */
.hero-section {
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* 푸터 */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.footer-section h5 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--gray-400);
    display: block;
    margin-bottom: var(--spacing-xs);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
}

.footer-company-info {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.company-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.company-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    line-height: 1.6;
}

.company-details span {
    color: var(--gray-400);
}

.company-registration {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    line-height: 1.6;
}

.company-registration span {
    color: var(--gray-500);
}

.company-registration a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

.company-registration a:hover {
    color: white;
}

.footer-copyright {
    text-align: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* 모바일 줄바꿈 (기본적으로 숨김) */
.mobile-break {
    display: none;
}

/* PC에서 건물 사례 카드 숨기기 */
.mobile-building-cards {
    display: none;
}

/* 반응형 */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
    }
    
    /* 360px 기준 모바일 전체 리디자인 */
    @media (max-width: 480px) {
        :root {
            --mobile-spacing: 1rem;
            --mobile-card-padding: 1.5rem;
            --mobile-input-height: 52px;
            --mobile-btn-height: 52px;
            --mobile-font-base: 16px;
        }
        
        body {
            font-size: var(--mobile-font-base);
            line-height: 1.6;
        }
        
        .container {
            padding: 0 1rem !important;
        }
        
        /* 건물 목록 페이지 전체 모바일 리디자인 */
        .buildings-page {
            padding: 1.5rem 0 !important;
        }
        
        .buildings-page > div {
            max-width: 100% !important;
        }
        
        /* 헤더 섹션 */
        .buildings-page .page-header {
            margin-bottom: 2rem !important;
            padding: 0 !important;
        }
        
        .buildings-page .page-header h1,
        .companies-page .page-header h1,
        .technicians-page .page-header h1 {
            font-size: 1.5rem !important;
            font-weight: 800 !important;
            margin-bottom: 0.75rem !important;
            line-height: 1.3 !important;
        }
        
        .buildings-page .page-header p,
        .companies-page .page-header p,
        .technicians-page .page-header p {
            font-size: 0.9375rem !important;
            line-height: 1.6 !important;
        }
        
        /* 카드 기본 스타일 */
        .buildings-page .card {
            border-radius: 16px !important;
            margin-bottom: 1.5rem !important;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
        }
        
        .buildings-page .card-body {
            padding: var(--mobile-card-padding) !important;
        }
        
        /* 내건물 확인하기 완전 리디자인 */
        .quick-search-card {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%) !important;
            border: none !important;
            box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15) !important;
        }
        
        .quick-search-body {
            padding: 1.5rem 1.25rem !important;
        }
        
        .quick-search-header {
            margin-bottom: 1.5rem !important;
        }
        
        .quick-search-header h2 {
            font-size: 1.25rem !important;
            font-weight: 800 !important;
            margin-bottom: 0.5rem !important;
        }
        
        .quick-search-header p {
            font-size: 0.875rem !important;
            line-height: 1.6 !important;
            color: var(--gray-700) !important;
        }
        
        .quick-search-input-group {
            gap: 1rem !important;
        }
        
        .quick-search-input {
            height: var(--mobile-input-height) !important;
            padding: 0 1.25rem !important;
            font-size: 1rem !important;
            border-radius: 12px !important;
            border: 2px solid var(--gray-300) !important;
            background: white !important;
        }
        
        .quick-search-input:focus {
            border-color: #3b82f6 !important;
            box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15) !important;
        }
        
        .quick-search-btn {
            height: var(--mobile-btn-height) !important;
            padding: 0 1.5rem !important;
            font-size: 1.0625rem !important;
            font-weight: 700 !important;
            border-radius: 12px !important;
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3) !important;
            border: none !important;
        }
        
        /* 통신킹 건물 검색 완전 리디자인 */
        .building-search-card {
            background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%) !important;
            border: none !important;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.15) !important;
        }
        
        .building-search-body {
            padding: 1.5rem 1.25rem !important;
        }
        
        .building-search-header {
            margin-bottom: 1.5rem !important;
        }
        
        .building-search-header h2 {
            font-size: 1.25rem !important;
            font-weight: 800 !important;
            margin-bottom: 0.5rem !important;
        }
        
        .building-search-header p {
            font-size: 0.875rem !important;
            line-height: 1.6 !important;
            margin-bottom: 0.5rem !important;
        }
        
        .building-search-header small {
            font-size: 0.75rem !important;
            line-height: 1.5 !important;
            display: block !important;
            margin-top: 0.5rem !important;
        }
        
        .building-search-grid {
            gap: 1.5rem !important;
        }
        
        .building-search-group {
            margin-bottom: 0 !important;
        }
        
        .building-search-label {
            font-size: 0.9375rem !important;
            font-weight: 700 !important;
            color: var(--gray-900) !important;
            margin-bottom: 0.75rem !important;
            display: block !important;
        }
        
        .building-search-select,
        .building-search-input {
            height: var(--mobile-input-height) !important;
            padding: 0 1.25rem !important;
            font-size: 1rem !important;
            border-radius: 12px !important;
            border: 2px solid var(--gray-300) !important;
            background: white !important;
            width: 100% !important;
        }
        
        .building-search-select:focus,
        .building-search-input:focus {
            border-color: #f59e0b !important;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15) !important;
        }
        
        .building-search-select:disabled {
            background: var(--gray-100) !important;
            color: var(--gray-500) !important;
        }
        
        .building-search-hint {
            font-size: 0.75rem !important;
            margin-top: 0.5rem !important;
            display: block !important;
            color: var(--gray-600) !important;
        }
        
        .building-search-submit {
            margin-top: 1.5rem !important;
        }
        
        .building-search-btn {
            height: var(--mobile-btn-height) !important;
            padding: 0 1.5rem !important;
            font-size: 1.0625rem !important;
            font-weight: 700 !important;
            border-radius: 12px !important;
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3) !important;
            border: none !important;
            width: 100% !important;
        }
        
        /* 상세검색 완전 리디자인 */
        .detail-filter-card {
            border: none !important;
            box-shadow: 0 4px 16px rgba(0,0,0,0.1) !important;
        }
        
        .detail-filter-header {
            padding: 1.25rem 1.25rem !important;
            border-radius: 16px 16px 0 0 !important;
        }
        
        .detail-filter-header h3 {
            font-size: 1.125rem !important;
            font-weight: 700 !important;
        }
        
        .detail-filter-header .material-icons {
            font-size: 1.25rem !important;
        }
        
        .detail-filter-body {
            padding: 1.5rem 1.25rem !important;
        }
        
        .filter-form {
            gap: 1.5rem !important;
        }
        
        .filter-form .form-label {
            font-size: 0.9375rem !important;
            font-weight: 700 !important;
            color: var(--gray-900) !important;
            margin-bottom: 0.75rem !important;
        }
        
        .filter-form .form-control {
            height: var(--mobile-input-height) !important;
            padding: 0 1.25rem !important;
            font-size: 1rem !important;
            border-radius: 12px !important;
            border: 2px solid var(--gray-300) !important;
            background: white !important;
        }
        
        .filter-form .form-control:focus {
            border-color: #3b82f6 !important;
            box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15) !important;
        }
        
        .filter-reset {
            margin-top: 1rem !important;
        }
        
        .filter-reset .btn {
            height: var(--mobile-btn-height) !important;
            padding: 0 1.5rem !important;
            font-size: 1.0625rem !important;
            font-weight: 700 !important;
            border-radius: 12px !important;
        }
        
        /* 법규 안내 섹션 */
        .buildings-page .regulation-info {
            padding: 1.5rem 1.25rem !important;
        }
        
        .buildings-page .regulation-info h3 {
            font-size: 1.125rem !important;
            margin-bottom: 1rem !important;
        }
        
        .buildings-page .regulation-grid {
            gap: 1rem !important;
        }
        
        .buildings-page .regulation-grid > div {
            padding: 1.25rem !important;
        }
        
        /* 급구 건물 섹션 */
        .buildings-page .grid-3 {
            gap: 1.25rem !important;
        }
        
        .buildings-page .grid-3 .card-body {
            padding: 1.5rem 1.25rem !important;
        }
        
        .buildings-page .grid-3 h3 {
            font-size: 1.125rem !important;
        }
        
        /* 결과 헤더 */
        .buildings-page .results-header {
            margin-bottom: 1.25rem !important;
        }
        
        .buildings-page .results-header > div {
            font-size: 0.9375rem !important;
        }
        
        /* 모바일 건물 카드 완전 리디자인 */
        .mobile-building-list {
            display: block !important;
        }
        
        .mobile-building-card {
            border-radius: 16px !important;
            margin-bottom: 1.25rem !important;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06) !important;
            border: 1px solid rgba(0,0,0,0.05) !important;
            overflow: hidden !important;
        }
        
        .mobile-card-header {
            padding: 1.25rem 1.25rem 0.875rem 1.25rem !important;
        }
        
        .mobile-card-header h3 {
            font-size: 1.125rem !important;
            font-weight: 800 !important;
            margin-bottom: 0.625rem !important;
            line-height: 1.3 !important;
            letter-spacing: -0.01em !important;
        }
        
        .mobile-card-header span[style*="padding: 0.375rem"] {
            padding: 0.375rem 0.75rem !important;
            font-size: 0.8125rem !important;
            font-weight: 600 !important;
            border-radius: 8px !important;
        }
        
        .mobile-card-address {
            padding: 0 1.25rem 0.875rem 1.25rem !important;
        }
        
        .mobile-card-address > div {
            font-size: 0.875rem !important;
            line-height: 1.6 !important;
            font-weight: 500 !important;
        }
        
        .mobile-card-address .material-icons {
            font-size: 1rem !important;
            margin-right: 0.25rem !important;
        }
        
        .mobile-card-footer {
            padding: 1rem 1.25rem !important;
            background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%) !important;
            border-top: 1px solid rgba(0,0,0,0.05) !important;
        }
        
        .mobile-card-footer > div:first-child > div:first-child {
            font-size: 0.75rem !important;
            margin-bottom: 0.25rem !important;
            font-weight: 600 !important;
            text-transform: uppercase !important;
            letter-spacing: 0.5px !important;
        }
        
        .mobile-card-footer > div:first-child > div:last-child {
            font-size: 1.125rem !important;
            font-weight: 800 !important;
            letter-spacing: -0.02em !important;
        }
        
        /* 모바일 카드가 링크로 변경되어 버튼 스타일 제거 */
        .mobile-building-card {
            text-decoration: none !important;
            color: inherit !important;
        }
        
        .mobile-building-card:hover {
            text-decoration: none !important;
            color: inherit !important;
        }
        
        .mobile-building-card .mobile-card-header {
            border-bottom: 1px solid rgba(0,0,0,0.05) !important;
        }
        
        .mobile-building-card .mobile-card-header h3 {
            margin-bottom: 0 !important;
        }
        
        /* 페이지네이션 완전 리디자인 */
        .pagination-wrapper {
            margin-top: 3rem !important;
        }
        
        .pagination {
            display: flex !important;
            justify-content: center !important;
            align-items: center !important;
            gap: 0.5rem !important;
            flex-wrap: wrap !important;
        }
        
        .pagination-btn {
            min-height: 48px !important;
            padding: 0.75rem 1.25rem !important;
            font-size: 0.9375rem !important;
            font-weight: 700 !important;
            border-radius: 12px !important;
            transition: all 0.3s ease !important;
            display: inline-flex !important;
            align-items: center !important;
            justify-content: center !important;
            gap: 0.5rem !important;
            text-decoration: none !important;
            border: 2px solid var(--gray-300) !important;
            background: white !important;
            color: var(--gray-700) !important;
        }
        
        .pagination-btn:hover {
            transform: translateY(-2px) !important;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
            border-color: var(--primary) !important;
        }
        
        .pagination-prev,
        .pagination-next {
            min-width: 100px !important;
        }
        
        .pagination-current {
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
            color: white !important;
            border: none !important;
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3) !important;
        }
        
        .pagination-number {
            min-width: 44px !important;
        }
        
        .pagination-number:hover {
            background: var(--gray-50) !important;
            border-color: var(--primary) !important;
            color: var(--primary) !important;
        }
        
        .pagination-ellipsis {
            padding: 0.75rem 0.5rem !important;
            color: var(--gray-500) !important;
            font-size: 0.9375rem !important;
        }
        
        .pagination-numbers {
            display: flex !important;
            gap: 0.375rem !important;
            flex-wrap: wrap !important;
            align-items: center !important;
        }
        
        .pagination-wrapper > div:last-child {
            text-align: center !important;
            margin-top: 1rem !important;
            color: var(--gray-600) !important;
            font-size: 0.875rem !important;
            font-weight: 500 !important;
        }
        
        /* 모바일 페이지네이션 최적화 (360px) */
        @media (max-width: 480px) {
            .pagination {
                gap: 0.25rem !important;
                padding: 0.5rem 0.25rem !important;
            }
            
            .pagination-btn {
                min-height: 36px !important;
                padding: 0.4375rem 0.5rem !important;
                font-size: 0.8125rem !important;
                border-radius: 8px !important;
                gap: 0.25rem !important;
            }
            
            .pagination-prev,
            .pagination-next {
                min-width: 44px !important;
            }
            
            .pagination-prev .pagination-text-mobile,
            .pagination-next .pagination-text-mobile {
                display: none !important;
            }
            
            .pagination-number {
                min-width: 32px !important;
                padding: 0.4375rem 0.625rem !important;
            }
            
            .pagination-current {
                min-width: 32px !important;
                padding: 0.4375rem 0.625rem !important;
            }
            
            .pagination-numbers {
                gap: 0.1875rem !important;
            }
            
            .pagination-ellipsis {
                padding: 0.4375rem 0.1875rem !important;
                font-size: 0.8125rem !important;
            }
        }
    }
    
    /* 모바일에서 줄바꿈 표시 */
    .mobile-break {
        display: block;
    }
    
    /* 모바일에서 건물 사례 표 숨기고 카드 표시 */
    .desktop-table {
        display: none;
    }
    
    .mobile-building-cards {
        display: block !important;
    }
    
    /* 건물 목록 페이지 모바일 최적화 */
    .buildings-page .container {
        padding: 2rem 0 !important;
    }
    
    .buildings-page .page-header {
        margin-bottom: 2.5rem !important;
    }
    
    .buildings-page .page-header h1,
    .companies-page .page-header h1,
    .technicians-page .page-header h1 {
        font-size: 1.75rem !important;
        margin-bottom: 0.75rem !important;
    }
    
    .buildings-page .page-header p,
    .companies-page .page-header p,
    .technicians-page .page-header p {
        font-size: 0.9375rem !important;
        line-height: 1.6 !important;
    }
    
    .buildings-page .card-body {
        padding: 1.5rem 1.25rem !important;
    }
    
    .buildings-page .search-form {
        max-width: 100% !important;
    }
    
    .buildings-page .search-form > div {
        flex-direction: column !important;
        gap: 0.75rem !important;
    }
    
    .buildings-page .search-form input {
        width: 100% !important;
        font-size: 1rem !important;
        padding: 0.875rem 1rem !important;
    }
    
    .buildings-page .search-form button {
        width: 100% !important;
        padding: 0.875rem 1rem !important;
        font-size: 1rem !important;
    }
    
    .buildings-page .building-search-form .grid-2 {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .buildings-page .building-search-form .form-group {
        grid-column: span 1 !important;
    }
    
    .buildings-page .building-search-form button[type="submit"] {
        width: 100% !important;
        padding: 0.875rem 1rem !important;
    }
    
    .mobile-building-list {
        display: block !important;
    }
    
    .buildings-page .grid-3 {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    
    .buildings-page .grid-2 {
        grid-template-columns: 1fr !important;
    }
    
    .buildings-page .filter-form {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .buildings-page .filter-form .form-group {
        grid-column: span 1 !important;
    }
    
    .buildings-page .filter-reset {
        justify-content: center !important;
    }
    
    .buildings-page .filter-reset .btn {
        width: 100% !important;
    }
    
    .buildings-page .card-header {
        padding: 1.25rem 1.5rem !important;
    }
    
    .buildings-page .filter-section {
        padding: 1.5rem 1.25rem !important;
    }
    
    .buildings-page .form-control {
        font-size: 1rem !important;
        padding: 0.875rem 1rem !important;
    }
    
    .buildings-page .form-label {
        font-size: 0.9375rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    .buildings-page small {
        font-size: 0.8125rem !important;
    }
    
    .buildings-page .regulation-info {
        padding: 1.5rem 1.25rem !important;
    }
    
    .buildings-page .regulation-info h3 {
        font-size: 1.125rem !important;
        margin-bottom: 1rem !important;
    }
    
    .buildings-page .regulation-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .buildings-page .regulation-grid > div {
        padding: 1.25rem !important;
    }
    
    .buildings-page .regulation-grid > div > div:first-child {
        font-size: 1rem !important;
        margin-bottom: 0.375rem !important;
    }
    
    .buildings-page .regulation-grid > div > div:last-child {
        font-size: 0.875rem !important;
    }
    
    /* 급구 건물 카드 모바일 최적화 */
    .buildings-page .grid-3 > .card {
        margin-bottom: 0 !important;
    }
    
    .buildings-page .grid-3 .card-body {
        padding: 1.75rem 1.5rem !important;
    }
    
    .buildings-page .grid-3 h3 {
        font-size: 1.25rem !important;
    }
    
    .buildings-page .grid-3 .material-icons {
        font-size: 1rem !important;
    }
    
    .buildings-page .results-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem !important;
    }
    
    .buildings-page .results-header .btn {
        width: 100% !important;
    }
    
    /* 페이지네이션 모바일 최적화 */
    .buildings-page .pagination {
        flex-wrap: wrap !important;
        gap: 0.5rem !important;
    }
    
    .buildings-page .pagination .btn {
        padding: 0.625rem 1rem !important;
        font-size: 0.9375rem !important;
    }
    
    /* 내건물 확인하기 모바일 리디자인 */
    .quick-search-card {
        border-radius: 20px !important;
        overflow: hidden;
    }
    
    .quick-search-body {
        padding: 1.75rem 1.5rem !important;
    }
    
    .quick-search-header h2 {
        font-size: 1.375rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    .quick-search-header p {
        font-size: 0.9375rem !important;
        line-height: 1.6 !important;
    }
    
    .quick-search-form {
        max-width: 100% !important;
    }
    
    .quick-search-input-group {
        flex-direction: column !important;
        gap: 1rem !important;
    }
    
    .quick-search-input {
        width: 100% !important;
        padding: 1.125rem 1.25rem !important;
        font-size: 1.0625rem !important;
        border-radius: 12px !important;
        border: 2px solid var(--gray-300) !important;
        transition: all 0.3s ease !important;
    }
    
    .quick-search-input:focus {
        border-color: var(--primary) !important;
        box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1) !important;
        outline: none !important;
    }
    
    .quick-search-btn {
        width: 100% !important;
        padding: 1.125rem 1.5rem !important;
        font-size: 1.0625rem !important;
        font-weight: 700 !important;
        border-radius: 12px !important;
        box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3) !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 0.5rem !important;
    }
    
    /* 통신킹 건물 검색 모바일 리디자인 */
    .building-search-card {
        border-radius: 20px !important;
        overflow: hidden;
    }
    
    .building-search-body {
        padding: 1.75rem 1.5rem !important;
    }
    
    .building-search-header h2 {
        font-size: 1.375rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    .building-search-header p {
        font-size: 0.9375rem !important;
        line-height: 1.6 !important;
    }
    
    .building-search-header small {
        display: block !important;
        margin-top: 0.5rem !important;
        font-size: 0.8125rem !important;
        line-height: 1.5 !important;
    }
    
    .building-search-form {
        max-width: 100% !important;
    }
    
    .building-search-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }
    
    .building-search-group {
        grid-column: span 1 !important;
    }
    
    .building-search-label {
        font-size: 0.9375rem !important;
        font-weight: 700 !important;
        color: var(--gray-900) !important;
        margin-bottom: 0.625rem !important;
        display: block !important;
    }
    
    .building-search-select,
    .building-search-input {
        width: 100% !important;
        padding: 1rem 1.25rem !important;
        font-size: 1.0625rem !important;
        border-radius: 12px !important;
        border: 2px solid var(--gray-300) !important;
        background: white !important;
        transition: all 0.3s ease !important;
        -webkit-appearance: none !important;
        appearance: none !important;
    }
    
    .building-search-select:focus,
    .building-search-input:focus {
        border-color: var(--primary) !important;
        box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1) !important;
        outline: none !important;
    }
    
    .building-search-select:disabled {
        background: var(--gray-100) !important;
        color: var(--gray-500) !important;
        cursor: not-allowed !important;
    }
    
    .building-search-hint {
        display: block !important;
        margin-top: 0.5rem !important;
        font-size: 0.8125rem !important;
        line-height: 1.4 !important;
    }
    
    .building-search-submit {
        margin-top: 1.5rem !important;
    }
    
    .building-search-btn {
        width: 100% !important;
        padding: 1.125rem 1.5rem !important;
        font-size: 1.0625rem !important;
        font-weight: 700 !important;
        border-radius: 12px !important;
        box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3) !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 0.5rem !important;
        min-width: auto !important;
    }
    
    /* 상세검색 모바일 리디자인 */
    .detail-filter-card {
        border-radius: 20px !important;
        overflow: hidden;
    }
    
    .detail-filter-header {
        padding: 1.25rem 1.5rem !important;
    }
    
    .detail-filter-header h3 {
        font-size: 1.125rem !important;
        display: flex !important;
        align-items: center !important;
    }
    
    .detail-filter-header .material-icons {
        font-size: 1.375rem !important;
    }
    
    .detail-filter-body {
        padding: 1.5rem 1.25rem !important;
    }
    
    .filter-form {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }
    
    .filter-form .form-group {
        grid-column: span 1 !important;
    }
    
    .filter-form .form-label {
        font-size: 0.9375rem !important;
        font-weight: 700 !important;
        color: var(--gray-900) !important;
        margin-bottom: 0.625rem !important;
        display: block !important;
    }
    
    .filter-form .form-control {
        width: 100% !important;
        padding: 1rem 1.25rem !important;
        font-size: 1.0625rem !important;
        border-radius: 12px !important;
        border: 2px solid var(--gray-300) !important;
        background: white !important;
        transition: all 0.3s ease !important;
        -webkit-appearance: none !important;
        appearance: none !important;
    }
    
    .filter-form .form-control:focus {
        border-color: var(--primary) !important;
        box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1) !important;
        outline: none !important;
    }
    
    .filter-reset {
        grid-column: span 1 !important;
        justify-content: center !important;
        margin-top: 0.5rem !important;
    }
    
    .filter-reset .btn {
        width: 100% !important;
        padding: 1rem 1.5rem !important;
        font-size: 1.0625rem !important;
        font-weight: 700 !important;
        border-radius: 12px !important;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .footer-company-info {
        text-align: center;
    }
    
    .company-details,
    .company-registration {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }
    
    .company-details span,
    .company-registration span {
        display: block;
    }
}

/* 애니메이션 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* 스크롤바 커스터마이징 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}