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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    color: #fff;
}

/* 顶部导航栏 */
.navbar {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0 30px;
    display: flex;
    align-items: center;
    height: 80px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.server-icon-container {
    display: flex;
    align-items: center;
    margin-right: 40px;
}

.server-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.server-name {
    margin-left: 15px;
    font-size: 20px;
    font-weight: 600;
    color: #fff;
}

/* 选项卡 */
.tabs {
    display: flex;
    gap: 10px;
    flex: 1;
    justify-content: center;
}

.tab {
    padding: 12px 30px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.tab.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.tab-icon {
    font-size: 18px;
}

/* 主内容区 */
.main-content {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.content-section {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 卡片样式 */
.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 状态指示器 */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 14px;
}

.status-online {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.status-offline {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-online .status-dot {
    background: #4caf50;
}

.status-offline .status-dot {
    background: #f44336;
    animation: none;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

/* 服务器信息网格 */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.info-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.info-value {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
}

/* 玩家列表 */
.players-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.player-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.player-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.player-avatar {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.player-name {
    font-weight: 500;
    color: #fff;
}

.no-players {
    text-align: center;
    padding: 60px 20px;
    color: rgba(255, 255, 255, 0.5);
}

.no-players-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.online-count {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 10px;
}

/* 刷新按钮 */
.refresh-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.refresh-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(102, 126, 234, 0.6);
}

.refresh-btn.spinning {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 配置区域 */
.config-section {
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.config-title {
    font-size: 16px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.config-input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    margin-bottom: 10px;
}

.config-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.config-btn {
    padding: 10px 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.config-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 响应式 */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        height: auto;
        padding: 15px;
    }

    .server-icon-container {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .tabs {
        width: 100%;
    }

    .tab {
        flex: 1;
        justify-content: center;
        padding: 10px 15px;
        font-size: 14px;
    }
}