/* Youtube Tool Specific Styles */

/* CSS 변수 정의 */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --accent-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;

    --text-color: #333;
    --light-text-color: #666;
    --background-color: #f0f2f5;
    --card-background: #fff;
    --border-color: #e1e8ed;
    --header-bg: #fff;
    --box-shadow-light: 0 2px 4px rgba(0,0,0,0.05);
    --box-shadow-medium: 0 4px 8px rgba(0,0,0,0.1);

    --border-radius-sm: 4px;
    --border-radius-md: 8px;

    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
}

/* Base Styles */
html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-width: 320px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header - 전체 화면 너비 활용 */
.header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    box-shadow: var(--box-shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    box-sizing: border-box;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-width: 0;
    gap: var(--spacing-md);
}

.logo {
    font-weight: bold;
    font-size: 1.5em;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Search Container - 중앙에서 확장 */
.search-container {
    display: flex;
    align-items: center;
    background-color: #f1f1f1;
    border: 1px solid #ddd;
    border-radius: 25px;
    padding: 5px 15px;
    flex: 1;
    min-width: 200px;
    max-width: 420px;
    margin: 0 var(--spacing-md);
}

.search-container .search-icon {
    font-size: 18px;
    color: #777;
    margin-right: 10px;
    flex-shrink: 0;
}

.search-input {
    border: none;
    background-color: transparent;
    padding: 8px;
    font-size: 1rem;
    outline: none;
    flex-grow: 1;
    min-width: 0;
}

.search-btn {
    background-color: #f8f8f8;
    color: #333;
    border: 1px solid #ddd;
    padding: 8px 15px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    outline: none;
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.search-btn span {
    font-size: 1.2rem;
    color: #1976d2;
}

/* Toolbar - 오른쪽 정렬, 모든 메뉴 표시 */
.toolbar {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
    align-items: center;
    flex-wrap: wrap; /* ⭐ 수정: 공간이 부족하면 다음 줄로 넘어감 */
    justify-content: flex-end; /* ⭐ 추가: 버튼들이 오른쪽으로 정렬되도록 */
    min-width: 0; /* ⭐ 추가: 플렉스 아이템들이 유연하게 줄어들 수 있도록 */
}

.toolbar-btn:not(.primary-mode-btn) {
    background-color: #fff;
    color: #555;
    border: 1px solid #ddd;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    outline: none;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    flex-shrink: 0;
    box-sizing: border-box; /* ⭐ 추가: 패딩과 보더가 너비에 포함되도록 */
}

/* primary-mode-btn용 기본 스타일 */
.toolbar-btn.primary-mode-btn {
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    outline: none;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    flex-shrink: 1;
    border: none;
    transition: background-color 0.2s ease;
    position: relative;
    z-index: 2;
    min-height: 39px; /* !important는 제거했습니다. 필요시 다시 추가하거나 다른 방식으로 조절 고려 */
    box-sizing: border-box; 
}

.toolbar-btn:hover {
    background-color: #f5f5f5;
}

/* 1. 수정된 필터 버튼 및 아이콘 */
.filter-btn {
    background-color: #fff;
    border: 1px solid #dadce0;
    color: #3c4043;
    padding: 8px 12px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 14px;
    width: 16px;
}

.filter-icon div {
    height: 2px;
    background-color: #5f6368;
    border-radius: 1px;
    position: relative;
}

.filter-icon div:nth-child(1) {
    width: 16px;
}

.filter-icon div:nth-child(2) {
    width: 12px;
    margin-left: 2px;
}

.filter-icon div:nth-child(3) {
    width: 8px;
    margin-left: 4px;
}

.filter-icon .filter-dot {
    width: 6px;
    height: 6px;
    background-color: #1976d2;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.filter-icon div:nth-child(1) .filter-dot { 
    left: 2px;
}

.filter-icon div:nth-child(2) .filter-dot { 
    left: 1px;
}

.filter-icon div:nth-child(3) .filter-dot { 
    left: 0px;
}

.dropdown {
    position: relative;
}

.dropdown-btn {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-arrow {
    font-size: 0.8rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 5px 0;
    min-width: 150px;
    z-index: 101;
    display: none;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    padding: 8px 15px;
    text-decoration: none;
    color: #333;
    display: block;
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background-color: #f1f1f1;
}

/* AI 분석 메뉴 비활성화 상태 스타일 */
.dropdown-item.disabled {
    color: #999 !important;
    cursor: not-allowed !important;
    pointer-events: none;
    background-color: transparent !important;
}

.dropdown-item.disabled:hover {
    background-color: transparent !important;
    color: #999 !important;
}

/* 2. 수정된 API/DEMO 버튼 */
.primary-mode-btn {
    border: none !important;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    outline: none;
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
    flex-shrink: 0;
    transition: background-color 0.2s ease;
    position: relative;
    z-index: 2;
    min-height: 39px; /* !important 제거 */
    box-sizing: border-box; 
}

/* DEMO 모드 스타일 */
.primary-mode-btn.demo {
    background-color: #ffc107 !important;
    color: #333 !important;
}

.primary-mode-btn.demo:hover {
    background-color: #e0a800 !important;
}

/* API 모드 스타일 */
.primary-mode-btn.api {
    background-color: #28a745 !important;
    color: #fff !important;
}

.primary-mode-btn.api:hover {
    background-color: #218838 !important;
}

/* mode-badge 안정화 */
.mode-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

/* Main Content - 전체 화면 너비 활용 */
.main-content {
    width: 100%;
    margin: 20px 0;
    padding: 0 var(--spacing-lg);
    box-sizing: border-box;
    flex: 1;
}

.content-section {
    display: none;
}

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

#youtube-home {
    /* Styles for the home page */
}

.home-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.home-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: #333;
}

.btn-primary {
    background-color: #1976d2;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    outline: none;
    width: auto; /* ⭐ 추가: 자동 너비 */
    min-width: fit-content; /* ⭐ 추가: 컨텐츠에 맞는 최소 너비 */
    flex-shrink: 0; /* ⭐ 추가: 다른 요소에 의해 줄어들지 않음 */
}

.btn-primary:hover {
    background-color: #1565c0;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.video-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.thumbnail-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
}

.thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 2px 4px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.video-info {
    padding: 10px;
}

.video-title {
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 5px;
    color: #333;
}

.video-channel {
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 3px;
}

.video-meta {
    font-size: 0.8rem;
    color: #777;
}

#search-results {
    /* Styles for the search results page */
}

/* 검색 결과 헤더 가운데 정렬 */
#results-count {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 10px;
    text-align: center;
}

.table-container {
    overflow-x: auto;
    width: 100%;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    min-width: 1000px;
    table-layout: fixed; /* 테이블 레이아웃 고정 */
}
/* 체크박스 열 너비 조정 */
.results-table th:nth-child(1), 
.results-table td:nth-child(1) {
    width: 20px; /* 체크박스 열 너비 */
}

/* 체크박스 크기 조정 */
.results-table input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}
/* 썸네일 열 너비 조정 */
.results-table th:nth-child(2), 
.results-table td:nth-child(2) {
    width: 100px; /* 썸네일 열 너비 */
}

/* 썸네일 이미지 크기 조정 */
.results-table td:nth-child(2) img {
    width: 100px;
    height: 56px; /* 16:9 비율 유지 */
    object-fit: cover;
    border-radius: 4px;
}
/* 제목 열의 너비  설정 */
.results-table th:nth-child(3), 
.results-table td:nth-child(3) {
    width: 20%;
}

/* --- */
.results-table th, .results-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center; /* 모든 헤더를 가운데 정렬 */
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 제목 셀은 왼쪽 정렬 유지 */
.results-table td:nth-child(3) {
    text-align: left;
    white-space: normal; /* 제목은 줄바꿈 허용 */
}

.results-table th {
    background-color: #f5f5f5;
    font-weight: bold;
    cursor: pointer;
    position: sticky;
    top: 0;
    z-index: 10;
}

.results-table th.sortable:hover {
    background-color: #e9e9e9;
}

.results-table th.sorted-asc::after {
    content: " ▲";
    color: #1976d2;
}

.results-table th.sorted-desc::after {
    content: " ▼";
    color: #1976d2;
}

.results-table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

.results-table tbody tr:hover {
    background-color: #f0f8ff;
}

.results-table td a {
    color: #1976d2;
    text-decoration: none;
}

.results-table td a:hover {
    text-decoration: underline;
}

/* 업로드일과 개설일 컬럼에 줄바꿈 허용 */
.results-table td:nth-child(4),  /* 업로드일 컬럼 */
.results-table td:nth-child(11) { /* 개설일 컬럼 */
    white-space: normal !important;
    word-break: break-all;    /* ✅ 추가 */
    line-height: 1.2;         /* ✅ 수정: 1.3 → 1.2 */
    vertical-align: middle;
    min-width: 100px;
    max-width: 120px;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination-controls button {
    background-color: #fff;
    color: #555;
    border: 1px solid #ddd;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    outline: none;
}

.pagination-controls button:hover:not(:disabled) {
    background-color: #f5f5f5;
}

.pagination-controls button:disabled {
    color: #bbb;
    border-color: #ddd;
    cursor: not-allowed;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 102;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal.show {
    display: block;
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 90%;
    max-width: 600px;
    border-radius: 8px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close-button {
    color: #aaa;
    position: absolute;
    right: 15px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#api-modal .modal-content {
    max-width: 500px;
}

#filter-modal .modal-content {
    max-width: 700px;
}

.modal-input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

.modal-info {
    font-size: 0.8rem;
    color: #777;
    margin-top: 15px;
}

.modal-info a {
    color: #1976d2;
    text-decoration: none;
}

.modal-info a:hover {
    text-decoration: underline;
}

.api-key-warning {
    background-color: #fff3cd;
    border-left: 5px solid #ffc107;
    padding: 10px;
    margin-bottom: 15px;
    color: #856404;
    font-size: 0.9rem;
    border-radius: 4px;
}

.api-key-warning strong {
    color: #856404;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    outline: none;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 103;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: 10px;
    font-size: 1.1rem;
    color: #555;
}

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

/* Notification Container */
#notification-container {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 104;
    width: auto;
    max-width: 500px;
}

.notification {
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 10px 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: #333;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    cursor: pointer;
}

.notification.success {
    border-left: 5px solid #28a745;
}

.notification.error {
    border-left: 5px solid #dc3545;
}

.notification.warning {
    border-left: 5px solid #ffc107;
}

.notification.info {
    border-left: 5px solid #17a2b8;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .toolbar {
        flex-wrap: wrap;
        gap: 6px; /* ⭐ 수정: 더 좁은 화면에서 간격 줄이기 */
    }
    
    .toolbar-btn {
        padding: 6px 8px; /* ⭐ 수정: 버튼 패딩 더 줄이기 */
        font-size: 0.8rem;
    }
}

@media (max-width: 992px) {
    .header-content {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center; /* ⭐ 추가: 헤더 내용 가운데 정렬 */
    }
    
    .search-container {
        order: 1; /* 검색창이 먼저 오도록 순서 변경 */
        flex-basis: 100%;
        margin: 10px 0;
        max-width: none;
    }
    
    .toolbar {
        order: 2; /* 툴바가 그 다음 오도록 */
        justify-content: center; /* ⭐ 수정: 버튼들이 중앙 정렬되도록 */
        flex-wrap: wrap;
        gap: 6px; /* ⭐ 수정: 간격 더 줄이기 */
    }
    
    .toolbar-btn {
        padding: 5px 7px; /* ⭐ 수정: 패딩 더 줄이기 */
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 10px;
    }
    
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .logo {
        text-align: center;
        justify-content: center;
    }

    .search-container {
        order: 1;
        margin: 10px 0;
    }

    .toolbar {
        order: 2;
        justify-content: center;
        flex-wrap: wrap;
        gap: 5px; /* ⭐ 수정: 더 작은 화면에서 간격 최소화 */
    }
    
    .toolbar-btn {
        font-size: 0.7rem;
        padding: 4px 6px; /* ⭐ 수정: 패딩 더 줄이기 */
    }

    .main-content {
        padding: 0 10px;
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 15px;
    }

}

@media (max-width: 480px) {
    .header {
        padding: 8px;
    }
    
    .logo {
        font-size: 1.2em;
    }
    
    .toolbar-btn {
        font-size: 0.7rem;
        padding: 5px 8px;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .results-table {
        font-size: 0.8rem;
    }
}

/* 🔽 [추가] 메뉴 비활성화를 위한 스타일 - 올바른 위치로 이동 */
.dropdown-item.disabled-link {
    color: #aaa !important; /* 텍스트 색상을 회색으로 */
    pointer-events: none;   /* 마우스 클릭 이벤트를 무시 */
    cursor: not-allowed;    /* 마우스 커서를 '금지' 모양으로 변경 */
    background-color: transparent !important; /* 호버 효과 제거 */
}

/* toolbar-btn 비활성화 시 스타일 */
.toolbar-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: #f8f9fa !important;
}


/* 🔄 반응형 텍스트 - 화면 크기에 따라 텍스트 자동 변경 */
.home-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 15px;
}

/* HTML의 기존 텍스트 숨기기 */
.home-header h2 {
    font-size: 0 !important; /* HTML 텍스트 완전 숨김 */
    margin: 0;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

/* 기본 데스크톱: "🔥 오늘의 인기 동영상" */
.home-header h2::before {
    content: "🔥 오늘의 인기 동영상";
    font-size: 1.5rem;
    color: #333;
    font-weight: bold;
}

/* 768px 이하 (태블릿): "🔥 인기 동영상" */
@media (max-width: 768px) {
    .home-header h2::before {
        content: "🔥 인기 동영상";
        font-size: 1.3rem;
    }
    
    .home-header {
        gap: 8px;
        padding: 8px 12px;
    }
}

/* 480px 이하 (모바일): "🔥 인기" */
@media (max-width: 480px) {
    .home-header h2::before {
        content: "🔥 인기";
        font-size: 1.2rem;
    }
    
    .home-header {
        gap: 6px;
        padding: 6px 10px;
    }
}

/* 360px 이하 (초소형): "🔥" */
@media (max-width: 360px) {
    .home-header h2::before {
        content: "🔥 인기"; /* 이 부분만 변경 */
        font-size: 1.0rem; /* 폰트 크기도 조정 */
    }
    
    .home-header {
        gap: 4px;
    }
}

/* 새로고침 버튼 모바일 최적화 */
@media (max-width: 768px) {
    .refresh-button, 
    #refresh-home-button {
        min-width: 60px !important;
        width: 60px !important;
        height: 32px !important;
        font-size: 0.8rem !important;
        padding: 4px 8px !important;
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .refresh-button, 
    #refresh-home-button {
        min-width: 45px !important;
        width: 45px !important;
        height: 26px !important;
        font-size: 0.7rem !important;
        padding: 1px 4px !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }
}

/* =================================
   새로운 필터 모달 스타일 
   ================================= */

/* 필터 모달 전용 스타일 */
#filter-modal .filter-modal {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    max-width: 800px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    margin: 5% auto;
}

/* 헤더 - 더 간결하게 */
#filter-modal .modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 18px 25px;
    border-radius: 16px 16px 0 0;
    position: relative;
}

#filter-modal .modal-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

#filter-modal .close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 20px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

#filter-modal .close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 컨텐츠 영역 - 패딩 줄임 */
#filter-modal .modal-content {
    padding: 20px 25px;
}

/* 필터 섹션을 2열로 배치 */
#filter-modal .filter-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 20px;
}

/* 각 섹션 스타일 */
#filter-modal .filter-section {
    background: #fafbfc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 18px;
}

#filter-modal .filter-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 8px;
}

/* 필터 그룹 - 간격 줄임 */
#filter-modal .filter-group {
    margin-bottom: 15px;
}

#filter-modal .filter-group:last-child {
    margin-bottom: 0;
}

#filter-modal .filter-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 6px;
}

/* 입력 필드 - 크기 줄임 */
#filter-modal .filter-input, 
#filter-modal .filter-select {
    width: 100%;
    height: 29.6px;
    padding: 6px 10px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.85rem;
    background: white;
    transition: all 0.2s ease;
    color: #2d3748;
    box-sizing: border-box;
}

#filter-modal .filter-input:focus, 
#filter-modal .filter-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

/* 범위 입력 스타일 - 간격 줄임 */
#filter-modal .range-group {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 8px;
    align-items: center;
    padding: 2px 0;
}

#filter-modal .range-separator {
    font-size: 0.8rem;
    color: #718096;
    font-weight: 500;
    padding: 0 2px;
}

/* 슬라이더 스타일 - 더 컴팩트하게 */
#filter-modal .slider-container {
    position: relative;
    padding: 2px 0;
    margin: 0;
}

#filter-modal .slider {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: #e2e8f0;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

#filter-modal .slider::-webkit-slider-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    margin-top: -6px; /* ✅ 추가: 손잡이 세로 위치 보정 */
}

#filter-modal .slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
    border: 2px solid white; /* ✅ 추가 */
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2); /* ✅ 추가 */
}

#filter-modal .slider-value {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: #667eea;
    margin-top: 5px;
}

/* 검색 설정 섹션의 입력 요소들 간격 통일 */
#filter-modal .filter-select {
    padding: 2px 0;
}

/* 슬라이더와 입력창 연동을 위한 새로운 컨테이너 스타일 */
#filter-modal .slider-input-container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 2px 0;
}

#filter-modal .slider-input-container .slider-container {
    flex: 1;
    position: relative;
    margin: 0;
    padding: 0;
}

/* 숫자 입력창 스타일 */
#filter-modal .max-results-input {
    width: 70px;
    padding: 6px 8px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.85rem;
    background: white;
    transition: all 0.2s ease;
    color: #2d3748;
    box-sizing: border-box;
    text-align: center;
}

#filter-modal .max-results-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

/* 지역 & 언어 섹션 - 전체 너비, 색상 제거 */
#filter-modal .language-section {
    grid-column: 1 / -1;
    background: #fafbfc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 18px;
}

/* 체크박스 스타일 - 원래 형태로 */
#filter-modal .checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #2d3748;
}

#filter-modal .checkbox-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #667eea;
    cursor: pointer;
}

#filter-modal .checkbox-row label {
    cursor: pointer;
    font-size: 0.85rem;
    color: #2d3748;
}

/* 액션 버튼 - 더 작게 */
#filter-modal .modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 18px;
    border-top: 1px solid #e2e8f0;
}

#filter-modal .btn {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

#filter-modal .btn-secondary {
    background: #f7fafc;
    color: #4a5568;
    border: 1px solid #e2e8f0;
}

#filter-modal .btn-secondary:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
}

#filter-modal .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: 1px solid transparent;
}

#filter-modal .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* 반응형 디자인 - 더 작은 화면에서만 1열로 */
@media (max-width: 650px) {
    #filter-modal .filter-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    #filter-modal .modal-content {
        padding: 15px 20px;
    }

    #filter-modal .modal-header {
        padding: 15px 20px;
    }

    #filter-modal .range-group {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    #filter-modal .range-separator {
        text-align: center;
    }

    #filter-modal .modal-actions {
        flex-direction: column;
    }

    #filter-modal .filter-modal {
        max-height: 85vh;
    }
}

/* 아이콘 색상 */
#filter-modal .search-icon { color: #667eea; }
#filter-modal .range-icon { color: #38b2ac; }
#filter-modal .language-icon { color: #ed8936; }

/* 분석 범위 헤더 스타일 */
.analysis-scope-header {
    animation: slideInDown 0.3s ease-out;
}

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