.container {
    width: 100%;
    display: flex;
    flex-direction: column;
    /* Thay đổi từ row sang column */
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.main-content {
    width: 100%;
    display: flex;
    gap: 30px;
    margin-top: 20px;
}

.map-section {
    flex: 1;
    min-width: 0;
}

.wards-section {
    width: 400px;
    min-width: 400px;
}

.wards-container {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    height: 600px;
    display: flex;
    flex-direction: column;
}

.wards-header {
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
    background: #f8f9fa;
    border-radius: 8px 8px 0 0;
}

.wards-header h3 {
    margin: 0 0 8px 0;
    color: #2196F3;
    font-size: 18px;
}

.wards-subtitle {
    margin: 0;
    color: #666;
    font-size: 14px;
}

.wards-list {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.ward-item {
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: background-color 0.2s;
}

.ward-item:hover {
    background-color: #f5f5f5;
}

.ward-item:last-child {
    border-bottom: none;
}

.ward-name {
    font-weight: 500;
    color: #333;
    margin-bottom: 5px;
}

.ward-code {
    font-size: 12px;
    color: #666;
    margin-bottom: 8px;
}

.ward-merger {
    font-size: 12px;
    color: #ff6b35;
    background: #fff3e0;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-top: 5px;
}

.ward-no-merger {
    font-size: 12px;
    color: #4caf50;
    background: #e8f5e8;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-top: 5px;
}

.wards-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #999;
    text-align: center;
    padding: 40px 20px;
}

.wards-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.wards-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #666;
}

.loading-spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid #2196F3;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

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

.map-container {
    width: 100%;
    position: relative;
    margin: 0 auto;
}

.map-container img,
#mapCanvas {
    width: 100%;
    height: auto;
    display: block;
}

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

#mapCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

#vietnam-map {
    width: 100%;
    height: 100%;
}

.tooltip-box {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border: 1px solid #ccc;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: none;
    width: 600px;
    max-width: 800px;
    z-index: 1000;
    max-height: 80vh;
    overflow-y: auto;
}

.tooltip-box.active {
    display: block !important;
}

.tooltip-box h2 {
    color: #1a73e8;
    margin: 0 0 15px 0;
    font-size: 1.5em;
    border-bottom: 2px solid #1a73e8;
    padding-bottom: 8px;
}

.tooltip-box .current-wards {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.tooltip-box .future-wards {
    background: #e8f0fe;
    padding: 20px;
    border-radius: 6px;
    border: 2px solid #1a73e8;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 15px;
    /* Khoảng cách đều giữa các phần tử con */
}

.tooltip-box .future-wards h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    /* Khoảng cách đều giữa các thành phần trong h3 */
    flex-wrap: wrap;
    margin: 0;
    /* Bỏ margin mặc định */
}

.tooltip-box h3 {
    font-size: 0.9em;
    color: #5f6368;
    margin: 0 0 8px 0;
}

.tooltip-box .ward-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #1a73e8;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.9em;
    margin: 0;
    /* Bỏ margin mặc định */
}

.tooltip-box .ward-count.highlight {
    background: #1a73e8;
    font-weight: 600;
}

.tooltip-box .ward-list {
    margin: 0;
    font-size: 0.9em;
    line-height: 1.4;
    color: #202124;
}

.tooltip-box .ward-list.highlight {
    margin: 0;
    /* Bỏ margin mặc định */
    padding: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 15px;
    /* Khoảng cách đều giữa các phường */
}

.tooltip-box .highlight {
    color: #1a73e8;
    font-weight: 600;
}

.tooltip-box .reduction-badge {
    margin: 0;
    /* Bỏ margin mặc định */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fbbc04;
    color: #fff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.9em;
    font-weight: 500;
}

.wards-content {
    margin-bottom: 15px;
    text-align: left;
}

.wards-content h4 {
    color: #2196F3;
    margin: 0 0 10px 0;
    font-size: 16px;
}

.current-wards-content {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #ddd;
    transition: all 0.3s ease;
}

.current-wards-content h4 {
    color: #FF9800;
    /* Màu cam cho title phường hiện tại */
    margin: 0 0 10px 0;
    font-size: 16px;
}

.ward-list {
    color: #2196F3;
    line-height: 1.5;
    text-align: left;
}

.ward-list span {
    display: inline;
}

.ward-list span:not(:last-child):after {
    content: ", ";
}

.wards-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 0;
    font-size: 14px;
    /* Giảm kích thước chữ */
}

.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    /* Giảm từ 60px xuống 40px */
    height: 20px;
    /* Giảm từ 24px xuống 20px */
    margin-left: 8px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 20px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    /* Giảm từ 16px xuống 14px */
    width: 14px;
    /* Giảm từ 16px xuống 14px */
    left: 3px;
    /* Điều chỉnh từ 4px xuống 3px */
    bottom: 3px;
    /* Điều chỉnh từ 4px xuống 3px */
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: #2196F3;
}

input:checked+.slider:before {
    transform: translateX(20px);
    /* Điều chỉnh từ 36px xuống 20px */
}

.instruction-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff5f0;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.instruction-banner img {
    width: 40px;
    height: auto;
    margin-left: 10px;
}

.instruction-banner p {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    font-size: 16px;
    color: #333;
}

.explanation-text {
    width: 100%;
    text-align: left;
    margin-bottom: 30px;
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
}

.explanation-text p {
    margin: 8px 0;
    font-size: 20px;
}

.map-instruction {
    background-color: #fff5f0;
    padding: 8px 15px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    white-space: nowrap;
}

.map-instruction img {
    width: 20px;
    height: auto;
}

.map-instruction p {
    margin: 0;
    font-size: 14px;
    color: #333;
}

.article-header {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto 30px;
    padding: 0 20px;
}

.article-header .title {
    font-family: 'inherit', serif;
    font-size: 48px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-header .sapo {
    font-family: 'Segoe UI', sans-serif;
    font-size: 30px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.sapo-image {
    width: 100%;
    max-width: 1000px;
    margin: 20px auto;
}

.sapo-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 1px;
}

/* Make sure map areas are clickable */
area {
    cursor: pointer;
}

/* Highlight khu vực được click */
.highlighted-area {
    fill: rgba(255, 152, 0, 0.4);
    /* Màu cam với độ trong suốt 60% */
    stroke: #ff0000;
    /* Viền đỏ */
    stroke-width: 2px;
}

/* Media queries cho điện thoại */
@media screen and (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .main-content {
        flex-direction: column;
        gap: 20px;
    }

    .wards-section {
        width: 100%;
        min-width: auto;
    }

    .wards-container {
        height: 400px;
    }

    .tooltip-box {
        width: 85vw;
        /* Giảm xuống để phù hợp với màn hình điện thoại */
        min-width: 150px;
        max-width: 300px;
        font-size: 14px;
        padding: 8px;
        max-height: 60vh;
        position: fixed !important;
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        border-radius: 8px;
        padding: 15px;
        z-index: 1000;
        -webkit-overflow-scrolling: touch;
    }

    .tooltip-box h2 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .tooltip-box h3 {
        font-size: 14px;
        margin: 8px 0;
    }

    .tooltip-box p {
        margin: 5px 0;
        font-size: 13px;
    }

    .tooltip-box hr {
        margin: 5px 0;
    }

    .tooltip-box .highlight {
        font-size: 13px;
    }

    .instruction-banner {
        padding: 8px;
        margin-bottom: 15px;
    }

    .instruction-banner img {
        width: 24px;
    }

    .instruction-banner p {
        font-size: 14px;
    }

    .explanation-text {
        margin-bottom: 20px;
        padding: 0 15px;
    }

    .explanation-text p {
        font-size: 14px;
        line-height: 1.4;
    }

    .map-instruction {
        padding: 6px 12px;
        font-size: 12px;
    }

    .map-instruction img {
        width: 16px;
    }

    .article-header .title {
        font-size: 20px;
    }

    .article-header .sapo {
        font-size: 14px;
    }

    .sapo-image {
        margin: 15px auto;
    }

    .ward-list {
        max-height: 50vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Ngăn scroll background khi tooltip hiển thị */
    body.tooltip-open {
        overflow: hidden;
    }
}

/* Đảm bảo tooltip luôn ở giữa và hiển thị đầy đủ */
@media screen and (max-height: 600px) {
    .tooltip-box {
        max-height: 90vh;
        top: 5vh;
        transform: translate(-50%, 0);
    }
}

/* Media queries cho điện thoại nhỏ hơn */
@media screen and (max-width: 375px) {
    .tooltip-box {
        width: 90vw;
        min-width: 120px;
        max-width: 250px;
        font-size: 12px;
        padding: 6px;
    }
}

.tooltip-header {
    position: relative;
    padding: 5px;
}

.close-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: transparent;
    border: none;
    font-size: 24px;
    color: #333;
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: #ff0000;
}

/* Tooltip 2 columns layout */
.tooltip-box .tooltip-columns {
  display: flex;
  gap: 24px;
}
.tooltip-box .tooltip-col-left {
  flex: 1 1 300px;
  min-width: 200px;
  max-width: 400px;
}
.tooltip-box .tooltip-col-right {
  flex: 1 1 500px;
  min-width: 350px;
  max-width: 650px;
  border-left: 1px solid #eee;
  padding-left: 18px;
  overflow-y: auto;
  max-height: 400px;
}

@media (max-width: 700px) {
  .tooltip-box {
    max-height: 100vh;
  }
  .tooltip-box .tooltip-col-left {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 8px;
  }
  .tooltip-box .tooltip-col-right {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid #eee;
    padding-top: 10px;
    max-height: 350px;
    overflow-y: auto;
  }
}

@media screen and (max-width: 900px) {
    .tooltip-box {
        width: 95vw;
        max-width: 98vw;
    }
}

@media (max-width: 600px) {
  .tooltip-box {
    width: 94vw !important;
    max-width: 94vw !important;
    left: 3vw !important;
    right: 3vw !important;
    top: 10vw !important;
    transform: none !important;
    padding: 4px !important;
    box-sizing: border-box !important;
  }
  .tooltip-columns {
    flex-direction: column !important;
    gap: 8px !important;
  }
  .tooltip-col-left {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box;
    max-height: 18vh !important;
    overflow-y: auto !important;
    overflow-x: hidden;
  }
  .tooltip-col-right {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box;
    max-height: 62vh !important;
    overflow-y: auto !important;
    overflow-x: hidden;
  }
  .tooltip-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}