.container {
    width: 100%;
    display: flex;
    flex-direction: column;
    /* Thay đổi từ row sang column */
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.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 {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 20px;
    max-width: 400px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    opacity: 0.9;
    display: none;
    position: absolute;
    text-align: center;
    z-index: 1000;
    transition: left 0.1s ease-out, top 0.1s ease-out;
    pointer-events: none;
    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;
}

.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;
}

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

    .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;
    }

    .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;
    }
}

/* 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;
    }
}