/* 변수 정의 */
:root {
    --primary-color: #ff9966;
    --primary-dark: #ff7733;
    --secondary-color: #ffb380;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #ffa365;
    --bg-primary: #ffffff;
    --bg-secondary: #fff8f5;
    --bg-tertiary: #fff0e8;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-color: #ffe8dc;
    --shadow-sm: 0 1px 2px 0 rgba(255, 153, 102, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(255, 153, 102, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(255, 153, 102, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* 앱 컨테이너 */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* 사이드바 */
.sidebar {
    width: 280px;
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: var(--shadow-sm);
}

.logo-section {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo svg {
    color: var(--primary-color);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
}

.nav-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: rgba(255, 153, 102, 0.1);
    color: var(--primary-color);
}

.nav-item .icon {
    font-size: 18px;
}

.nav-item .label {
    flex: 1;
}

/* 네비게이션 그룹 스타일 */
.nav-group {
    display: flex;
    flex-direction: column;
}

.nav-group-header {
    position: relative;
    width: 100%;
    text-align: left;
}

.nav-group-header .expand-icon {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.nav-group-header.expanded .expand-icon {
    transform: rotate(-180deg);
}

.nav-group-content {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding-left: 12px;
    margin-top: 4px;
    overflow: hidden;
}

.nav-group-content.expanded {
    display: flex;
}

.nav-sub-item {
    font-size: 13px;
    padding: 10px 16px;
}

.nav-sub-item .icon {
    font-size: 16px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 메인 컨텐츠 */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    display: grid;
    grid-template-columns: 1fr;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.tab-content.active {
    display: block;
}

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

.section-header {
    margin-bottom: 32px;
}

.section-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.section-header p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* 버튼 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
}

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

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-sm {
    padding: 8px 12px;
    font-size: 13px;
}

/* 업로드 영역 */
.upload-area {
    background-color: var(--bg-primary);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 48px 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 24px;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(255, 153, 102, 0.02);
}

.upload-area.drag-over {
    border-color: var(--primary-color);
    background-color: rgba(255, 153, 102, 0.1);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.upload-area h3 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-area p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 업로드 진행 상황 */
.upload-progress {
    background-color: var(--bg-primary);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.progress-item {
    margin-bottom: 12px;
}

.progress-item:last-child {
    margin-bottom: 0;
}

.progress-item span {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.progress-bar {
    height: 4px;
    background-color: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

/* 업로드 상태 */
.upload-status {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.status-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background-color: var(--bg-primary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.status-item.success {
    border-left-color: var(--success-color);
}

.status-item.error {
    border-left-color: var(--danger-color);
}

.status-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.status-content {
    flex: 1;
}

.status-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.status-message {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 파일 그리드 */
.files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.file-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    transition: var(--transition);
    overflow: hidden;
}

.file-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.file-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.file-icon {
    font-size: 32px;
}

.file-card-actions {
    display: flex;
    gap: 4px;
}

.file-card-actions button {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: var(--transition);
    font-size: 16px;
}

.file-card-actions button:hover {
    color: var(--danger-color);
}

.file-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-info {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.file-type {
    display: inline-block;
    background-color: rgba(255, 153, 102, 0.1);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    margin-bottom: 8px;
}

.file-date {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* FileStore */
.stores-container {
    background-color: var(--bg-primary);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
}

.create-store-form {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
}

.create-store-form h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.input-field {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    margin-bottom: 12px;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 153, 102, 0.1);
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.store-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: var(--transition);
    cursor: pointer;
}

.store-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    background-color: var(--bg-tertiary);
}

.store-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.store-header h3 {
    font-size: 16px;
    color: var(--text-primary);
    margin: 0;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    opacity: 0.85;
}

.btn-danger:hover {
    background-color: #dc2626;
    opacity: 1;
}

.store-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.store-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.store-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.store-value {
    color: var(--text-primary);
}

.store-id {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: var(--text-tertiary);
    word-break: break-all;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.stat-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

/* 검색 컨테이너 */
.search-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.search-panel, .query-panel {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.search-panel h3, .query-panel h3 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.file-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 16px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background-color: var(--bg-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-item:hover {
    background-color: var(--bg-tertiary);
}

.checkbox-item input[type="checkbox"],
.checkbox-item input[type="radio"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.checkbox-label {
    flex: 1;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
}

.checkbox-size {
    font-size: 12px;
    color: var(--text-tertiary);
}

#searchQuery {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
}

#searchQuery:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 153, 102, 0.1);
}

/* 검색 결과 */
.search-result {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 24px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.result-header h3 {
    font-size: 16px;
    color: var(--text-primary);
}

.result-content {
    color: var(--text-primary);
    line-height: 1.6;
    max-height: 600px;
    overflow-y: auto;
}

.result-text {
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.citations-section {
    margin-top: 24px;
}

.citations-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.citations-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.citation-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background-color: var(--bg-secondary);
    border-radius: 6px;
    border-left: 3px solid var(--primary-color);
}

.citation-number {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 12px;
    flex-shrink: 0;
}

.citation-content {
    flex: 1;
}

.citation-text {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 6px;
}

.citation-source {
    font-size: 11px;
    color: var(--text-secondary);
    font-style: italic;
}

/* 로딩 상태 */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    gap: 16px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 빈 상태 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    color: var(--text-tertiary);
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
}

/* 토스트 알림 */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 20px;
    background-color: var(--text-primary);
    color: white;
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
    max-width: 400px;
    word-wrap: break-word;
}

.toast.show {
    display: block;
}

.toast.success {
    background-color: var(--success-color);
}

.toast.error {
    background-color: var(--danger-color);
}

.toast.warning {
    background-color: var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .sidebar-nav {
        flex-direction: row;
        padding: 12px;
    }

    .nav-item {
        flex: 1;
        flex-direction: column;
        gap: 4px;
        padding: 8px;
        font-size: 12px;
    }

    .nav-item .icon {
        font-size: 20px;
    }

    .main-content {
        padding: 20px;
    }

    .section-header h1 {
        font-size: 20px;
    }

    .files-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .search-container {
        grid-template-columns: 1fr;
    }

    .mascot-section {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .mascot-image {
        width: 100px;
        height: 100px;
    }

    .mascot-greeting h3 {
        font-size: 18px;
    }

    .mascot-greeting p {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 16px;
    }

    .upload-area {
        padding: 32px 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .file-card {
        padding: 12px;
    }

    .upload-area h3 {
        font-size: 16px;
    }

    .upload-area p {
        font-size: 12px;
    }
}

/* FileStore 업로드 섹션 */
.upload-to-store-section {
    background-color: var(--bg-primary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.subsection-header {
    margin-bottom: 15px;
}

.subsection-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.upload-to-store-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.upload-area-small {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--bg-secondary);
    min-height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.upload-area-small:hover {
    border-color: var(--primary-color);
    background-color: rgba(255, 153, 102, 0.05);
}

.upload-area-small.drag-over {
    border-color: var(--primary-color);
    background-color: rgba(255, 153, 102, 0.1);
}

.upload-area-small .upload-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.upload-area-small p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

/* Import 패널 */
.import-panel {
    background-color: var(--bg-primary);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.import-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.import-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 16px;
}

.import-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.import-controls select {
    flex: 1;
}

.import-controls .btn {
    flex-shrink: 0;
}

/* 성공/에러 메시지 */
.success-message {
    color: var(--success-color);
    padding: 10px 15px;
    background-color: rgba(16, 185, 129, 0.1);
    border-radius: 8px;
    border-left: 4px solid var(--success-color);
    font-size: 14px;
    font-weight: 500;
}

.error-message {
    color: var(--danger-color);
    padding: 10px 15px;
    background-color: rgba(239, 68, 68, 0.1);
    border-radius: 8px;
    border-left: 4px solid var(--danger-color);
    font-size: 14px;
    font-weight: 500;
}

/* 스피너 (로딩) */
.loading {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Mascot Section */
.mascot-section {
    display: flex;
    align-items: center;
    gap: 20px;
    background: linear-gradient(135deg, rgba(255, 153, 102, 0.1) 0%, rgba(255, 179, 128, 0.1) 100%);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.mascot-section:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.mascot-image {
    width: 150px;
    height: 150px;
    object-fit: contain;
    flex-shrink: 0;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.mascot-greeting {
    flex: 1;
}

.mascot-greeting h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 8px;
    font-weight: 600;
}

.mascot-greeting p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* FileStore 상세 뷰 */
.store-detail-view {
    background-color: var(--bg-primary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.store-detail-view h3 {
    color: var(--primary-color);
    margin: 15px 0;
    font-size: 24px;
}

.store-documents {
    margin-top: 20px;
}

.store-documents h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
}

.documents-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.documents-header h4 {
    margin: 0;
}

.document-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
}

.document-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
}

.document-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.doc-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.doc-name {
    color: var(--text-primary);
    font-weight: 600;
    word-break: break-word;
    font-size: 15px;
    line-height: 1.4;
}

.doc-details {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.doc-type {
    color: var(--primary-color);
    font-size: 11px;
    font-weight: 600;
    background-color: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
    width: fit-content;
}

.doc-size {
    color: var(--text-secondary);
    font-size: 12px;
}

.doc-date {
    color: var(--text-tertiary);
    font-size: 11px;
}

.doc-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    align-items: center;
}

.empty-message {
    color: var(--text-secondary);
    text-align: center;
    padding: 20px;
    font-size: 14px;
}

/* ============================================================================
   Wayfinding (길찾기) Styles
   ============================================================================ */

.wayfinding-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.wayfinding-controls {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.control-group {
    margin-bottom: 20px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.path-result {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.path-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 60px;
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
}

.path-image-container {
    margin-top: 16px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.path-image-container img {
    display: block;
    width: 100%;
    height: auto;
}

/* ============================================================================
   Chat Panel Styles
   ============================================================================ */

.chat-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    max-height: 600px;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.chat-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--bg-secondary);
    min-height: 300px;
    max-height: 400px;
}

.chat-history::-webkit-scrollbar {
    width: 6px;
}

.chat-history::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.chat-history::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: 3px;
}

.chat-history::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.empty-chat {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary);
    text-align: center;
}

.empty-chat p {
    font-size: 14px;
}

.chat-message {
    display: flex;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-avatar {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-message .message-avatar {
    background: var(--primary-color);
    color: white;
}

.model-message .message-avatar {
    background: white;
    border: 2px solid var(--primary-color);
    color: white;
}

.message-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.message-text {
    background: var(--bg-primary);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    word-wrap: break-word;
    white-space: pre-wrap;
}

.user-message .message-text {
    background: var(--primary-color);
    color: white;
}

.model-message .message-text {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.message-time {
    font-size: 11px;
    color: var(--text-tertiary);
    padding: 0 4px;
}

.chat-input-container {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.chat-input-container textarea {
    flex: 1;
    resize: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.chat-input-container textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 153, 102, 0.1);
}

.chat-input-container .btn {
    align-self: flex-end;
    white-space: nowrap;
    height: fit-content;
}

/* ============================================================================
   Map Click Guide Styles
   ============================================================================ */

.map-click-guide {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 2px dashed var(--border-color);
}

.guide-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-primary);
}

.guide-icon {
    font-size: 18px;
}

.map-status {
    font-weight: 500;
}

.facility-click-guide {
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.path-image-container {
    cursor: default;
    position: relative;
}

.path-image-container img {
    cursor: crosshair;
    transition: transform 0.2s ease;
}

.path-image-container img:hover {
    transform: scale(1.01);
}