/* 国家选择页面样式 */
.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.country-card {
    background: var(--bg-surface);
    border: 2px solid var(--border-light);
    border-radius: 10px;
    padding: 28px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    text-align: center;
}

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

/* 盟军国家 */
.country-card[data-faction="allied"] {
    border-color: var(--allied-light);
}

.country-card[data-faction="allied"]:hover {
    border-color: var(--allied-primary);
    background: var(--allied-bg);
}

/* 苏军国家 */
.country-card[data-faction="soviet"] {
    border-color: var(--soviet-light);
}

.country-card[data-faction="soviet"]:hover {
    border-color: var(--soviet-primary);
    background: var(--soviet-bg);
}

/* 尤里国家 */
.country-card[data-faction="yuri"] {
    border-color: var(--yuri-light);
}

.country-card[data-faction="yuri"]:hover {
    border-color: var(--yuri-primary);
    background: var(--yuri-bg);
}

.country-flag {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.country-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.country-card[data-faction="allied"] .country-name {
    color: var(--allied-dark);
}

.country-card[data-faction="soviet"] .country-name {
    color: var(--soviet-dark);
}

.country-card[data-faction="yuri"] .country-name {
    color: var(--yuri-dark);
}

.country-units {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.country-units-label {
    color: var(--text-tertiary);
}

.country-units-count {
    font-weight: 700;
    font-size: 18px;
}

.country-card[data-faction="allied"] .country-units-count {
    color: var(--allied-primary);
}

.country-card[data-faction="soviet"] .country-units-count {
    color: var(--soviet-primary);
}

.country-card[data-faction="yuri"] .country-units-count {
    color: var(--yuri-primary);
}

/* 单位类型分布 */
.country-distribution {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
}

.country-distribution .category-bar {
    display: flex;
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    background: var(--bg-hover);
    margin-bottom: 8px;
}

.country-distribution .category-segment {
    transition: width 0.6s ease;
}

.country-distribution .category-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.country-distribution .legend-item {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 10px;
    color: var(--text-secondary);
}

.country-distribution .legend-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

/* 动画 */
@keyframes country-enter {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.country-card {
    animation: country-enter 0.4s ease forwards;
    opacity: 0;
}

.country-card:nth-child(1) { animation-delay: 0.05s; }
.country-card:nth-child(2) { animation-delay: 0.1s; }
.country-card:nth-child(3) { animation-delay: 0.15s; }
.country-card:nth-child(4) { animation-delay: 0.2s; }
.country-card:nth-child(5) { animation-delay: 0.25s; }
.country-card:nth-child(6) { animation-delay: 0.3s; }

/* 响应式 */
@media (max-width: 600px) {
    .countries-grid {
        grid-template-columns: 1fr;
    }

    .country-card {
        padding: 24px 20px;
    }

    .country-flag {
        font-size: 40px;
    }

    .country-name {
        font-size: 18px;
    }
}