/*---------style.css----*/
:root {
    /* Dark theme (default) */
    --bg-color: #01171b;
    --text-color: white;
    --card-bg-color: rgba(1, 23, 27, 0.9);
    --card-border-color: rgba(255, 255, 255, 0.05);
    --item-bg-color: #022e3f;
    --item-hover-bg-color: #033b54;
    --item-active-bg-color: #044e73;
    --accent-color: #4ecdc4;
    --search-bg-color: rgba(255, 255, 255, 0.08);
    --search-focus-bg-color: rgba(255, 255, 255, 0.12);
    --search-placeholder-color: rgba(255, 255, 255, 0.5);
    --province-fill-color: #00394f;
    --province-stroke-color: white;
    --detail-bg-color: #022e3f;
    --detail-border-color: rgba(255, 255, 255, 0.2);
    --button-hover-color: #ff6b6b;
    --heading-color: #4ecdc4;
    --ethnic-item-bg-color: rgba(255, 255, 255, 0.1);
    --ethnic-item-hover-bg-color: rgba(255, 255, 255, 0.2);
    --back-button-bg-color: rgba(255, 255, 255, 0.1);
    --back-button-hover-bg-color: rgba(255, 255, 255, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* Light theme */
[data-theme="light"] {
    --bg-color: #f5f5f5;
    --text-color: #333;
    --card-bg-color: rgba(255, 255, 255, 0.9);
    --card-border-color: rgba(0, 0, 0, 0.05);
    --item-bg-color: #e0e0e0;
    --item-hover-bg-color: #d0d0d0;
    --item-active-bg-color: #b0b0b0;
    --accent-color: #2a9d8f;
    --search-bg-color: rgba(0, 0, 0, 0.05);
    --search-focus-bg-color: rgba(0, 0, 0, 0.08);
    --search-placeholder-color: rgba(0, 0, 0, 0.4);
    --province-fill-color: #e0e0e0;
    --province-stroke-color: #333;
    --detail-bg-color: #ffffff;
    --detail-border-color: rgba(0, 0, 0, 0.1);
    --button-hover-color: #e63946;
    --heading-color: #2a9d8f;
    --ethnic-item-bg-color: rgba(0, 0, 0, 0.05);
    --ethnic-item-hover-bg-color: rgba(0, 0, 0, 0.1);
    --back-button-bg-color: rgba(0, 0, 0, 0.05);
    --back-button-hover-bg-color: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 30px 20px 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
}

/* Theme toggle button */
.theme-toggle-container {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#themeToggle {
    background-color: var(--item-bg-color);
    color: var(--text-color);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px var(--shadow-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#themeToggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

#themeToggle i {
    position: absolute;
    transition: all 0.3s ease;
}

#themeToggle .fa-sun {
    opacity: 0;
    transform: translateY(20px);
}

#themeToggle .fa-moon {
    opacity: 1;
    transform: translateY(0);
}

[data-theme="light"] #themeToggle .fa-sun {
    opacity: 1;
    transform: translateY(0);
}

[data-theme="light"] #themeToggle .fa-moon {
    opacity: 0;
    transform: translateY(-20px);
}
.map-container {
    width: 60%;
    margin: 20px 0 0 5%;
    display: block;
    position: relative;
    z-index: 5;
}
.list-container {
    width: 30%;
    overflow-y: auto;
    height: 600px;
    background-color: var(--bg-color);
    border: none;
    border-radius: 10px;
    padding: 10px;
    box-shadow: none;
    transition: background-color 0.3s ease;
}
.list-container h2 {
    text-align: center;
    font-size: 18px;
    margin-bottom: 10px;
}
.ethnic-group {
    padding: 8px;
    margin: 5px 0;
    border-radius: 5px;
    text-align: center;
    cursor: pointer;
    transition: background 0.3s ease-in-out, color 0.3s ease;
    background-color: var(--bg-color);
    color: var(--text-color);
    border: none;
}
.ethnic-group:hover, .ethnic-group.active {
    background-color: var(--item-hover-bg-color);
}
svg {
    width: 100%;
    height: auto;
}
.province {
    fill: var(--province-fill-color);
    stroke: var(--province-stroke-color);
    stroke-width: 0.5;
    transition: fill 0.3s;
}



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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

svg path {
    fill: var(--province-fill-color);
    stroke: var(--province-stroke-color);
    stroke-width: 0.5;
    transition: fill 0.3s ease-in-out;
}

svg path:hover {
    cursor: pointer;
}

/* Danh sách dân tộc */
/* Title container with flag */
.title-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    padding: 20px 0 30px;
    border-bottom: 3px solid var(--accent-color);
    position: relative;
    z-index: 10;
}

.title-container h1 {
    font-size: 2.8rem;
    color: var(--text-color);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: bold;
    text-shadow: 2px 2px 4px var(--shadow-color);
}

.flag-container {
    width: 100px;
    height: 60px;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 4px 8px var(--shadow-color);
    margin-right: 10px;
}

.flag-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ethnic-list-container {
    width: 320px;
    height: 600px;
    overflow-y: auto;
    background-color: var(--card-bg-color);
    border-radius: 15px;
    padding: 20px;
    position: absolute;
    top: 140px; /* Moved down to accommodate title */
    right: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
    border: 1px solid var(--card-border-color);
    backdrop-filter: blur(10px);
    scrollbar-width: thin;
    scrollbar-color: var(--card-border-color) transparent;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Thiết kế thanh cuộn */
.ethnic-list-container::-webkit-scrollbar {
    width: 6px;
}

.ethnic-list-container::-webkit-scrollbar-track {
    background: transparent;
}

.ethnic-list-container::-webkit-scrollbar-thumb {
    background-color: var(--card-border-color);
    border-radius: 10px;
}

.ethnic-list-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--item-hover-bg-color);
}

.ethnic-list-container h2 {
    text-align: center;
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-bottom: 2px solid var(--card-border-color);
    padding-bottom: 10px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

/* CSS cho thanh tìm kiếm */
#searchBar {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 30px;
    background-color: var(--search-bg-color);
    color: var(--text-color);
    font-size: 14px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px var(--shadow-color);
    outline: none;
}

#searchBar:focus {
    background-color: var(--search-focus-bg-color);
    box-shadow: 0 4px 10px var(--shadow-color);
}

#searchBar::placeholder {
    color: var(--search-placeholder-color);
    font-style: italic;
}

.search-container {
    position: relative;
    margin-bottom: 15px;
}

.search-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--search-placeholder-color);
    pointer-events: none;
    transition: color 0.3s ease;
}

.ethnic-list-container ul {
    list-style: none;
    padding: 0;
    margin-top: 5px;
}

.ethnic-list-container li {
    padding: 10px 12px;
    margin: 8px 0;
    border-radius: 8px;
    color: var(--text-color);
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease-in-out;
    background-color: var(--item-bg-color);
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 4px var(--shadow-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.ethnic-list-container li:hover {
    background-color: var(--item-hover-bg-color);
    box-shadow: 0 4px 8px var(--shadow-color);
    transform: translateY(-2px);
}

.ethnic-list-container li.active {
    background-color: var(--item-active-bg-color);
    box-shadow: 0 4px 12px var(--shadow-color);
    transform: translateY(-2px);
    border-left: 3px solid var(--accent-color);
}

.ethnic-list-container li:active {
    transform: scale(0.98);
    opacity: 0.9;
    box-shadow: 0 1px 2px var(--shadow-color);
}

.ethnic-list-container li::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--ethnic-item-bg-color), transparent);
    transition: 0.5s;
}

.ethnic-list-container li:hover::before {
    left: 100%;
}

@media (max-width: 768px) {
    #ethnic-list {
        display: none; /* Ẩn danh sách khi màn hình nhỏ */
    }
    #ethnic-select {
        display: block; /* Hiển thị dropdown */
    }

    .title-container h1 {
        font-size: 1.8rem;
    }

    .flag-container {
        width: 60px;
        height: 40px;
    }

    .ethnic-list-container {
        top: 120px;
    }
}

@media (min-width: 769px) {
    #ethnic-select {
        display: none; /* Ẩn dropdown khi màn hình lớn */
    }
}

/* CSS cho bảng thông tin chi tiết dân tộc */
.ethnic-detail-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    max-width: 90%;
    background-color: var(--detail-bg-color);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 0 20px var(--shadow-color);
    z-index: 1000;
    display: none; /* Hidden by default, will show when clicking on an ethnic group */
    color: var(--text-color);
    max-height: 80vh;
    overflow-y: auto;
    animation: fadeIn 0.3s ease-in-out;
    transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -48%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--detail-border-color);
    padding-bottom: 10px;
    transition: border-color 0.3s ease;
}

.detail-header h2 {
    margin: 0;
    font-size: 20px;
    color: var(--text-color);
    transition: color 0.3s ease;
}

#closeDetailBtn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    padding: 0 5px;
    transition: color 0.3s ease;
}

#closeDetailBtn:hover {
    color: var(--button-hover-color);
}

.detail-content {
    line-height: 1.6;
}

.detail-content h3 {
    margin-top: 15px;
    margin-bottom: 8px;
    color: var(--heading-color);
    font-size: 18px;
    transition: color 0.3s ease;
}

.detail-content p {
    margin-bottom: 12px;
}

.detail-content ul {
    padding-left: 20px;
    margin-bottom: 12px;
}

.detail-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 10px 0;
}

.ethnic-info-section {
    margin-bottom: 20px;
}

.ethnic-color-indicator {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-right: 10px;
    vertical-align: middle;
}

/* CSS cho danh sách dân tộc trong tỉnh */
.ethnic-list-in-province {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 15px;
}

.ethnic-item {
    background-color: var(--ethnic-item-bg-color);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.ethnic-item:hover {
    background-color: var(--ethnic-item-hover-bg-color);
    transform: translateY(-2px);
}

/* CSS cho nút quay lại */
.back-button {
    background-color: var(--back-button-bg-color);
    border: none;
    color: var(--text-color);
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    font-size: 14px;
}

.back-button:hover {
    background-color: var(--back-button-hover-bg-color);
}

/* Visualization styles */
.visualization-controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 100;
    background-color: var(--card-bg-color);
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 4px 10px var(--shadow-color);
}

.visualization-controls button {
    background-color: var(--item-bg-color);
    color: var(--text-color);
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.visualization-controls button:hover {
    background-color: var(--item-hover-bg-color);
    transform: translateY(-2px);
}

.legend-container, .chart-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--detail-bg-color);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 20px var(--shadow-color);
    z-index: 1000;
    max-width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    display: none;
    color: var(--text-color);
}

.gradient-bar {
    height: 20px;
    width: 100%;
    border-radius: 5px;
    margin: 10px 0;
}

.gradient-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.bar-chart {
    margin-top: 20px;
}

.bar-container {
    margin-bottom: 15px;
}

.bar-label {
    margin-bottom: 5px;
    font-weight: bold;
}

.bar-wrapper {
    display: flex;
    align-items: center;
    height: 25px;
}

.bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

.bar-value {
    margin-left: 10px;
    font-size: 14px;
}

.loading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    color: white;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 10px;
}

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

.error-container {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: #ff5555;
    color: white;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    display: none;
    max-width: 300px;
}

.error-message {
    margin-bottom: 10px;
}

.similar-provinces-list, .diverse-provinces-list {
    margin: 15px 0;
}

.similar-province-item, .diverse-province-item {
    background-color: var(--item-bg-color);
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
}

.province-name {
    font-weight: bold;
    margin-bottom: 5px;
}

.similarity-bar-container {
    height: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    position: relative;
    margin: 10px 0;
}

.similarity-bar {
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 10px;
}

.similarity-value {
    position: absolute;
    right: 10px;
    top: 0;
    font-size: 12px;
    line-height: 20px;
}

.province-stats {
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.8;
}

.rank {
    display: inline-block;
    width: 30px;
    height: 30px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    margin-right: 10px;
}

.ethnic-count {
    margin-top: 5px;
    font-size: 14px;
}

/* Tooltip for right-click hint */
.province-tooltip {
    position: absolute;
    background-color: var(--detail-bg-color);
    color: var(--text-color);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1000;
    box-shadow: 0 2px 5px var(--shadow-color);
}