        :root {
            --primary-color: #1a5f7a;
            --secondary-color: #FFC107;
            --text-color: #333;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f8f9fa;
        }

        .navbar {
            background-color: var(--primary-color) !important;
        }

        .navbar-brand {
            font-weight: bold;
            font-size: 1.5rem;
        }

        .sidebar {
            background-color: #fff;
            min-height: calc(100vh - 56px);
            box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
        }

        .sidebar .nav-link {
            color: var(--text-color);
            padding: 12px 20px;
            border-left: 3px solid transparent;
        }

        .sidebar .nav-link:hover,
        .sidebar .nav-link.active {
            background-color: #f0f7ff;
            border-left-color: var(--primary-color);
            color: var(--primary-color);
        }

        .chat-container {
            height: calc(100vh - 200px);
            overflow-y: auto;
            padding: 20px;
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .chat-message {
            margin-bottom: 15px;
            padding: 12px 18px;
            border-radius: 15px;
            max-width: 80%;
            font-size: 1.05rem;
            line-height: 1.6;
        }

        .chat-message.user {
            background-color: var(--primary-color);
            color: white;
            margin-left: auto;
        }

        .chat-message.agent {
            background-color: #e9ecef;
            color: var(--text-color);
        }

        .chat-input {
            border-radius: 25px;
            padding: 12px 20px;
        }

        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }

        .btn-primary:hover {
            background-color: #003d6e;
            border-color: #003d6e;
        }

        .btn-warning {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            color: #333;
        }

        .card {
            border: none;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
        }

        .card-header {
            background-color: var(--primary-color);
            color: white;
            font-weight: bold;
        }

        .form-section {
            background-color: #fff;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .loading {
            display: none;
        }

        .loading.active {
            display: inline-block;
        }

        .file-list {
            max-height: 300px;
            overflow-y: auto;
        }

        .file-item {
            padding: 10px;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .file-item:hover {
            background-color: #f8f9fa;
        }

        .language-selector {
            min-width: 120px;
        }

        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), #003d6e);
            color: white;
            padding: 40px;
            border-radius: 10px;
            margin-bottom: 30px;
        }

        .feature-card {
            text-align: center;
            padding: 30px;
            transition: transform 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        /* Location Map Marker Styles */
        .custom-map-marker {
            background: transparent;
            border: none;
        }

        .arrow-marker {
            background: transparent;
            border: none;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
        }

        .leaflet-popup-content {
            margin: 8px 12px;
        }

        .leaflet-popup-content h6 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #333;
        }

        /* RTL Support for Hebrew */
        [dir="rtl"] .chat-message.user {
            margin-left: 0;
            margin-right: auto;
        }

        [dir="rtl"] .sidebar .nav-link {
            border-left: none;
            border-right: 3px solid transparent;
        }

        [dir="rtl"] .sidebar .nav-link:hover,
        [dir="rtl"] .sidebar .nav-link.active {
            border-right-color: var(--primary-color);
        }

        /* Login Page Styles */
        .login-page {
            min-height: 100vh;
            background: linear-gradient(135deg, #1a5f7a 0%, #0d3d4d 100%);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .login-card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            max-width: 420px;
            width: 100%;
        }

        .login-logo {
            text-align: center;
            margin-bottom: 30px;
        }

        .login-logo h1 {
            color: var(--primary-color);
            font-weight: bold;
            font-size: 2rem;
        }

        .login-logo p {
            color: #666;
            font-size: 0.9rem;
        }

        .main-app {
            display: none;
        }

        .tenant-badge {
            background: linear-gradient(135deg, #1a5f7a, #0d3d4d);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.8rem;
        }

        /* AI 버튼 로딩 애니메이션 */
        @keyframes spin {
            from {
                transform: rotate(0deg);
            }

            to {
                transform: rotate(360deg);
            }
        }

        .bg-purple {
            background-color: #6f42c1 !important;
            color: white;
        }

        .bg-orange {
            background-color: #fd7e14 !important;
            color: white;
        }
